28 jobs found

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - FPGA & GPU Job Code: 39549 Job Location: Greenville, Tx Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - FPGA & GPU Job Code: 39549 Job Location: Greenville, Tx Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - FPGA & GPU Job Code: 39548 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - ELINT Job Code: 39540 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: L3Harris is seeking a Systems Engineering Specialist who will be involved in activities directly related to the design, and development of complex, specialized SIGINT hardware/software systems to process and manipulate ISR data from multiple data sources. Essential Functions: Works closely with the customer to comprehensively design and implement new system functionality. Writes requirements, supports development, performs integration testing of new or modified products in a Systems Integration Laboratory and on airborne and ground-based platforms. Verifies and validates new baseline functionality while ensuring legacy functionality continues to work as intended. Interface with other Systems Engineers, Agile Development Engineering, Flight Line Test, Product Development, and Project Engineering to understand new baseline functionality. Work closely with L3Harris Internal Research and Development (IR&D) developing proprietary ELINT technology and capabilities. Follow existing standards to document system testing status and anomalies with system hardware and software and verifies subsequent anomaly fixes. Interfaces with the customer to ensure their satisfaction with system performance. Work with management to develop and adhere to schedules and budgets required to accomplish assigned work. Provide regular status updates for ongoing work efforts to management and the customer. Work effectively in a fast-paced, dynamic environment with time-critical requirements. Effective cross-functional communication skills supporting program execution from development through integration and delivery. Analysis of customer requirements, including system and sub-system trade studies, and detailed hardware and software specifications for systems, subsystems, and key components. Development of test planning/procedures of various test equipment including anechoic chambers, spectrum analyzers, and network analyzers. Entire Program/Engineering Life Cycle Phases and Activities. IRAD and Technical Baseline development. Requirements Management. Strong problem solving abilities with thorough documentation, verification, and validation practices Proficiency in digital signal processing (DSP) with strong MATLAB skills for algorithm development, modeling, simulation, and data analysis Solid understanding of DSP fundamentals including filtering, spectral analysis, FFTs, modulation, sampling theory, and noise reduction Ability to support algorithm implementation in C, C++, or Python Active Secret or recent TS/SCI Clearance with the ability to maintain. Working contract proposals. Travel up to 10%. Other duties as assigned by Supervisor. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Preferred Additional Skills: Active TS/SCI Clearance Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Experience working with large IQ/sample data sets and developing automated processing workflows. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - FPGA & GPU Job Code: 39548 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - ELINT Job Code: 39540 Job Location: Greenville, TX Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: L3Harris is seeking a Systems Engineering Specialist who will be involved in activities directly related to the design, and development of complex, specialized SIGINT hardware/software systems to process and manipulate ISR data from multiple data sources. Essential Functions: Works closely with the customer to comprehensively design and implement new system functionality. Writes requirements, supports development, performs integration testing of new or modified products in a Systems Integration Laboratory and on airborne and ground-based platforms. Verifies and validates new baseline functionality while ensuring legacy functionality continues to work as intended. Interface with other Systems Engineers, Agile Development Engineering, Flight Line Test, Product Development, and Project Engineering to understand new baseline functionality. Work closely with L3Harris Internal Research and Development (IR&D) developing proprietary ELINT technology and capabilities. Follow existing standards to document system testing status and anomalies with system hardware and software and verifies subsequent anomaly fixes. Interfaces with the customer to ensure their satisfaction with system performance. Work with management to develop and adhere to schedules and budgets required to accomplish assigned work. Provide regular status updates for ongoing work efforts to management and the customer. Work effectively in a fast-paced, dynamic environment with time-critical requirements. Effective cross-functional communication skills supporting program execution from development through integration and delivery. Analysis of customer requirements, including system and sub-system trade studies, and detailed hardware and software specifications for systems, subsystems, and key components. Development of test planning/procedures of various test equipment including anechoic chambers, spectrum analyzers, and network analyzers. Entire Program/Engineering Life Cycle Phases and Activities. IRAD and Technical Baseline development. Requirements Management. Strong problem solving abilities with thorough documentation, verification, and validation practices Proficiency in digital signal processing (DSP) with strong MATLAB skills for algorithm development, modeling, simulation, and data analysis Solid understanding of DSP fundamentals including filtering, spectral analysis, FFTs, modulation, sampling theory, and noise reduction Ability to support algorithm implementation in C, C++, or Python Active Secret or recent TS/SCI Clearance with the ability to maintain. Working contract proposals. Travel up to 10%. Other duties as assigned by Supervisor. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Preferred Additional Skills: Active TS/SCI Clearance Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Experience working with large IQ/sample data sets and developing automated processing workflows. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Date Posted: 2026-07-27 Country: United States of America Location: US-AZ-TUCSON- E Hermans Rd BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Hardware in the Loop (HWIL) Department in Tucson, AZ is a multi-discipline organization responsible for designing, building and integrating state of the art testing environments (flight simulators for missiles), as the last step before flight test. On our team, you will work with weapon system designers to understand requirements, design solutions, integrate, and deploy the systems to help support tactical software development, testing, and delivery for missiles to the warfighter. This position is within the Effectors Center of the HWIL organization, and is an onsite role located in Tucson, AZ What You Will Do Collaborate in a multi-disciplinary team to develop software to control Hardware-In-the-Loop (HWIL) facilities (flight simulators for missiles). Determines end user needs by analyzing system capabilities to resolve problems on program intent, output requirements and input data acquisition. Ensures hardware and software standards are met. Design and implement build procedures that are used to support hardware and software product development and use. Software design, coding and integration in a real-time environment. May train software developers in the use of configuration management tools and the implementation of software quality standards. Includes control modeling (model based design) Qualifications You Must Have Typically requires a Bachelor's degree in Computer Science, Engineering or other STEM related field and a minimum of 5 years of relevant experience. Experience with software development in C++, using the object-oriented features. Experience including at least two of the following: Embedded Software, Embedded Software Security, Embedded Operating Systems (Linux, RTOS, VxWorks, etc), Software Architecture Design and Implementation. Active and transferable Secret U.S. government issued security clearance is required prior to start date with the ability to obtain program access after start. Qualifications We Prefer Strong organization, coordination, planning, teaming skills, as well as written and oral communication skills. Experience generating technical documentation and reports. Experience with RF theory and application in systems. Experience with electronics design and/or conducting data analysis using tools such as Matlab. Experience troubleshooting systems using test equipment such as oscilloscopes, logic analyzers, network analyzers, and/or spectrum analyzers. Knowledge of networking and IP addressed based equipment. Able to work and interface with a cross-discipline team. Experience with both Windows and Linux operating systems. Agile and Scrum team member experience Knowledge of or experience with software languages such as Java, C, C++, or similar languages; scripting languages such as Python and/or Perl, and MATLAB scripts for data analysis purposes. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Offered Based On Eligibility Learn More & Apply Now! Please consider the following role type definition as you apply for this role: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Location Information: This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America's 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature's best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson's fantastic weather lets residents enjoy the outdoors year-round. Virtual Fly Over City of Tucson & Community, YouTube Video Links "Raytheon In Tucson": ,-az-location "Tucson is Awesome": "Winter in Tucson": As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Amazon is seeking a Sr. Applied Scientist to join the Fauna team within our Retail organization. You will design and deploy ML models that understand and predict customer behavior across Amazon's vast catalog, powering personalization, search quality, and new retail experiences. In this role, you'll own the full science lifecycle from problem framing and data exploration to model training, experimentation, and production deployment at global scale. You'll partner with product, engineering, and business leaders, influencing strategy with rigorous data insights in a fast-paced, customer-obsessed environment.