Job Description Job Description Qualis LLC is seeking a Systems Engineering, Requirements management, Verification, and Validation (RV&V) coordination, and system level integration support to the MSFC Systems Design and Verification Branch (EV72) to support the Space Nuclear Propulsion (SNP) Office, and to the MSFC Systems Engineering and Integration Division (EV70). The successful candidate will coordinate and interface with multiple engineering disciplines, system elements, cross-program elements, and customers, as well as participate in reviews, meetings, working groups, task teams, and trade studies. The candidate will supply leadership and/or support for the development of key systems engineering products including requirements specifications, support program/project milestones and subsequent activities where these products are assessed and matured. The successful candidate will work with the SNP customers/partners from inception to deployment to ensure stakeholder needs are satisfied. Essential Duties Lead and/or support development of SNP requirements and verification products and ensure compliance with these requirements during development, testing and evaluation of SNP components. Provide technical integration with other engineering disciplines, the SNP Program, and cross-program elements, including risk-based insight/oversight through assessment of requirements and verification activities. Support the SNP Lead Systems Engineer (LSE) and Engineering Discipline Lead Engineers (EDLEs) to evaluate prime contractor deliverables, including assessments of element Detailed Verification Objectives and verification of allocated end item specification requirements. Perform systems engineering tasks and assessments to support the SNP Program through reviews, meetings, working groups, trade studies and development of key systems engineering products to support program milestones. Develop integrated schedules and other tracking mechanisms to manage the work and identify risks and opportunities. Implement Digital Engineering best practices, approaches, techniques, and tools. Provide support for requirement V&V including V&V planning, execution, coordination, and integration for system level requirements to assure design compliance. Communicate technical issues, risks, best practices and lessons-learned related to products, technical positions, requirement management, and V&V practices and develop integrated schedules and other tracking mechanisms to manage systems engineering tasks. Required Qualifications Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Systems Engineering, or a related technical field from an ABET-accredited institution is required. Candidates should have at least 10 years of relevant experience in systems engineering and integration, launch vehicle definition, functional design, design integration, launch vehicle performance analysis, flight evaluation planning, requirements verification, and/or requirements validation. An equivalent combination of education and experience may be considered. Ability to function in a self-directed dynamic work environment as an effective team member, willing to assume a leadership role in the SNP systems engineering effort. Experience in developing systems requirements, verification strategies, and verification planning as well as facilitating the successful completion of verification compliance activities. Familiarity with Systems Engineering policies and procedures related to verification and experience with using tools/systems to manage verification compliance data. Demonstrated experience working across organizational boundaries and engineering disciplines to facilitate and execute program systems engineering tasks and resolve systems integration issues. Demonstrated experience developing and delivering executive-level briefings, excellent oral, written, and customer relation skills, and proficiency using Microsoft Office Suite (Word, Excel, PowerPoint, and Outlook). Experience with Digital Engineering tools, such as: DOORS Next Generation, Jira, MagicDraw, or similar tools. Applicants should also have one or more of the following desired qualifications: Demonstrated experience in effective technical leadership of an engineering team. An understanding and knowledge of the current SLS program and a working understanding of the SLS Element interfaces. Knowledge of launch vehicle programmatic planning processes and experience performing oversight of prime contractor hardware production, test, and certification efforts. Familiarity with NASA Systems Engineering policies and procedures. Familiarity with aerospace vehicle and system design. Experience with defining and managing interfaces, interface requirements, and interface verification. Certification in Model Based System Engineering (MBSE), particularly Object Management Group (OMG)-Certified Systems Modeling Professional (OCSMP ) Certification. Benefits Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment. Equal Opportunity Employer/M/F/Vet/Disabled and a Participant in E-Verify
11/12/2026
Full time
Job Description Job Description Qualis LLC is seeking a Systems Engineering, Requirements management, Verification, and Validation (RV&V) coordination, and system level integration support to the MSFC Systems Design and Verification Branch (EV72) to support the Space Nuclear Propulsion (SNP) Office, and to the MSFC Systems Engineering and Integration Division (EV70). The successful candidate will coordinate and interface with multiple engineering disciplines, system elements, cross-program elements, and customers, as well as participate in reviews, meetings, working groups, task teams, and trade studies. The candidate will supply leadership and/or support for the development of key systems engineering products including requirements specifications, support program/project milestones and subsequent activities where these products are assessed and matured. The successful candidate will work with the SNP customers/partners from inception to deployment to ensure stakeholder needs are satisfied. Essential Duties Lead and/or support development of SNP requirements and verification products and ensure compliance with these requirements during development, testing and evaluation of SNP components. Provide technical integration with other engineering disciplines, the SNP Program, and cross-program elements, including risk-based insight/oversight through assessment of requirements and verification activities. Support the SNP Lead Systems Engineer (LSE) and Engineering Discipline Lead Engineers (EDLEs) to evaluate prime contractor deliverables, including assessments of element Detailed Verification Objectives and verification of allocated end item specification requirements. Perform systems engineering tasks and assessments to support the SNP Program through reviews, meetings, working groups, trade studies and development of key systems engineering products to support program milestones. Develop integrated schedules and other tracking mechanisms to manage the work and identify risks and opportunities. Implement Digital Engineering best practices, approaches, techniques, and tools. Provide support for requirement V&V including V&V planning, execution, coordination, and integration for system level requirements to assure design compliance. Communicate technical issues, risks, best practices and lessons-learned related to products, technical positions, requirement management, and V&V practices and develop integrated schedules and other tracking mechanisms to manage systems engineering tasks. Required Qualifications Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Systems Engineering, or a related technical field from an ABET-accredited institution is required. Candidates should have at least 10 years of relevant experience in systems engineering and integration, launch vehicle definition, functional design, design integration, launch vehicle performance analysis, flight evaluation planning, requirements verification, and/or requirements validation. An equivalent combination of education and experience may be considered. Ability to function in a self-directed dynamic work environment as an effective team member, willing to assume a leadership role in the SNP systems engineering effort. Experience in developing systems requirements, verification strategies, and verification planning as well as facilitating the successful completion of verification compliance activities. Familiarity with Systems Engineering policies and procedures related to verification and experience with using tools/systems to manage verification compliance data. Demonstrated experience working across organizational boundaries and engineering disciplines to facilitate and execute program systems engineering tasks and resolve systems integration issues. Demonstrated experience developing and delivering executive-level briefings, excellent oral, written, and customer relation skills, and proficiency using Microsoft Office Suite (Word, Excel, PowerPoint, and Outlook). Experience with Digital Engineering tools, such as: DOORS Next Generation, Jira, MagicDraw, or similar tools. Applicants should also have one or more of the following desired qualifications: Demonstrated experience in effective technical leadership of an engineering team. An understanding and knowledge of the current SLS program and a working understanding of the SLS Element interfaces. Knowledge of launch vehicle programmatic planning processes and experience performing oversight of prime contractor hardware production, test, and certification efforts. Familiarity with NASA Systems Engineering policies and procedures. Familiarity with aerospace vehicle and system design. Experience with defining and managing interfaces, interface requirements, and interface verification. Certification in Model Based System Engineering (MBSE), particularly Object Management Group (OMG)-Certified Systems Modeling Professional (OCSMP ) Certification. Benefits Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment. Equal Opportunity Employer/M/F/Vet/Disabled and a Participant in E-Verify
Job Description Job Description Qualis LLC is seeking a Systems Engineer, Level 2, to join our team. This position supports Warfighter Simulation Services (WSS) which includes the Missile Defense Advanced Simulation (MDASim) and Missile Defense Space Tool (MDST) programs and will split time between the Northrop Grumman facility and Schriever Space Force Base (SSFB), in Colorado Springs, CO. This role requires candidates to be onsite daily with very limited remote/hybrid work available. We are seeking a motivated and detail-oriented Systems Engineer to support the WSS team. The successful candidate will assist in the software development lifecycle through requirements derivation, process development and refinement, Model Based Systems Engineering model development, and contractual documentation. Collaborating with senior engineers, you will contribute to data-driven analysis and systems engineering workflows that ensure our simulation tools accurately represent current and future threat environments. This is an exceptional entry-to-junior level opportunity to grow your career in defense modeling and simulation. Essential Duties Support capability elicitation and derivation of requirements to realize requested development. Collaborate in defining and developing processes and procedures. Research and gain experience with missile defense concepts, space-based sensor phenomenology, and threat model trajectories. Work in close coordination with senior engineers to develop systems engineering artifacts supporting development and testing. Participate in the development and update of technical documentation, system requirements, and user guides for simulation tools. Provide briefings to customer(s) and stakeholder(s) related to technical solutions, process development and updates, and system engineering artifacts. Support training and orientation of simulation tools. Seeking candidates who are eager to learn, find satisfaction in working on complex technical challenges, and thrive in a collaborative, team-centric environment. Required Qualifications Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 2 years of related work experience, or a Master's Degree in STEM with 0-2 years of related work experience. Practical experience executing or analyzing results from military modeling and simulation (M&S) frameworks. Demonstrated experience in data analysis, scripting, or automation using Python, MATLAB, or C++. Familiarity with missile defense concepts, space-based tracking/sensors, or orbital mechanics. Basic understanding of Model-Based Systems Engineering (MBSE) concepts. Must be self-motivated and capable of executing technical tasks with minimal supervision. Ability and willingness to travel up to 10% to support business needs. Applicants must have a current active in-scope DoD Secret Clearance at the time of application which is required to start; with the ability to obtain and maintain a DoD Top Secret clearance with access to SCI. Preferred Qualifications: Direct experience working with the Missile Defense Advanced Simulation (MDASim) or Missile Defense Space Tool (MDST). Familiarity with Missile Defense Agency (MDA) ground test, flight test, or wargaming events. Basic experience with Model-Based Systems Engineering (MBSE) tools such as CAMEO or MagicDraw. Understanding of Agile/Scrum development methodologies. A current active in-scope DoD Top Secret Clearance with access to SCI (TS/SCI). Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment. Equal Opportunity Employer/M/F/Vet/Disabled and a Participant in E-Verify.
11/12/2026
Full time
Job Description Job Description Qualis LLC is seeking a Systems Engineer, Level 2, to join our team. This position supports Warfighter Simulation Services (WSS) which includes the Missile Defense Advanced Simulation (MDASim) and Missile Defense Space Tool (MDST) programs and will split time between the Northrop Grumman facility and Schriever Space Force Base (SSFB), in Colorado Springs, CO. This role requires candidates to be onsite daily with very limited remote/hybrid work available. We are seeking a motivated and detail-oriented Systems Engineer to support the WSS team. The successful candidate will assist in the software development lifecycle through requirements derivation, process development and refinement, Model Based Systems Engineering model development, and contractual documentation. Collaborating with senior engineers, you will contribute to data-driven analysis and systems engineering workflows that ensure our simulation tools accurately represent current and future threat environments. This is an exceptional entry-to-junior level opportunity to grow your career in defense modeling and simulation. Essential Duties Support capability elicitation and derivation of requirements to realize requested development. Collaborate in defining and developing processes and procedures. Research and gain experience with missile defense concepts, space-based sensor phenomenology, and threat model trajectories. Work in close coordination with senior engineers to develop systems engineering artifacts supporting development and testing. Participate in the development and update of technical documentation, system requirements, and user guides for simulation tools. Provide briefings to customer(s) and stakeholder(s) related to technical solutions, process development and updates, and system engineering artifacts. Support training and orientation of simulation tools. Seeking candidates who are eager to learn, find satisfaction in working on complex technical challenges, and thrive in a collaborative, team-centric environment. Required Qualifications Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 2 years of related work experience, or a Master's Degree in STEM with 0-2 years of related work experience. Practical experience executing or analyzing results from military modeling and simulation (M&S) frameworks. Demonstrated experience in data analysis, scripting, or automation using Python, MATLAB, or C++. Familiarity with missile defense concepts, space-based tracking/sensors, or orbital mechanics. Basic understanding of Model-Based Systems Engineering (MBSE) concepts. Must be self-motivated and capable of executing technical tasks with minimal supervision. Ability and willingness to travel up to 10% to support business needs. Applicants must have a current active in-scope DoD Secret Clearance at the time of application which is required to start; with the ability to obtain and maintain a DoD Top Secret clearance with access to SCI. Preferred Qualifications: Direct experience working with the Missile Defense Advanced Simulation (MDASim) or Missile Defense Space Tool (MDST). Familiarity with Missile Defense Agency (MDA) ground test, flight test, or wargaming events. Basic experience with Model-Based Systems Engineering (MBSE) tools such as CAMEO or MagicDraw. Understanding of Agile/Scrum development methodologies. A current active in-scope DoD Top Secret Clearance with access to SCI (TS/SCI). Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment. Equal Opportunity Employer/M/F/Vet/Disabled and a Participant in E-Verify.
Job Description Job Description Description Qualis LLC is seeking an Aerospace Systems Engineer to support the definition, design, development, analysis, testing, and integration of Mission and Fault Management systems for launch vehicles and spacecraft. Essential Duties Mission and Fault Management Development Develop, manage, validate, and verify Mission and Fault Management requirements in support of Vehicle and Mission Management system specifications Design, model, and test algorithms for vehicle integrated events and sequences, including inter-system constraints, prerequisites, event triggers, and command requirements for both nominal and off-nominal operations Systems Analysis and Design Leverage in-depth knowledge of aerospace vehicle subsystems (Engines, Main Propulsion System, Thrust Vector Control, Reaction Control Systems, Avionics, and/or Guidance Navigation and Control) to develop and analyze nominal and off-nominal system functions and operating parameters throughout pre-flight and flight phases Analyze and evaluate hazards, monitored conditions, measurements, and failure modes to design appropriate and effective automated and operational responses Cross-Functional Collaboration Interface with vehicle elements, contractors, and stakeholder organizations to ensure fault management principles are integrated into vehicle design, interfaces, and operations Participate in recurring vehicle, discipline, and subsystem meetings with stakeholders including Flight Software, Safety and Mission Assurance, Systems Engineering and Integration, Ground Operations, Flight Operations, Crew Office, Payload Integration Office, Element Contractors, Avionics, and Safety and Mission Assurance teams Present technical results and participate in discipline, project, and program-level reviews, including document reviews and issue resolution Required Qualifications Bachelor's degree in Aerospace, Electrical, Mechanical, or equivalent engineering discipline from an ABET-accredited institution Recent graduates up to 10 years of experience Experience working on integrated project teams using systems engineering and project management processes Excellent technical writing and communication skills Self-motivated team player with experience in dynamic work environments Preferred Qualifications: Experience in Model-Based Systems Engineering, SysML, MATLAB Stateflow, Systems Analysis Familiarity with launch vehicles, spacecraft, and integrated avionics and software Essential Functions: Work Environment General office environment (100%). Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA ( Physical Requirements Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (40%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and Amentum facilities (10%). Equipment and Machines: Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%). Attendance Normal workday is from 7:30 a.m. through 4:30 p.m., Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity and adequate arrangements for delegating duties during absences are required. Other Essential Functions The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Proof of U.S. Citizenship is required. Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.
11/12/2026
Full time
Job Description Job Description Description Qualis LLC is seeking an Aerospace Systems Engineer to support the definition, design, development, analysis, testing, and integration of Mission and Fault Management systems for launch vehicles and spacecraft. Essential Duties Mission and Fault Management Development Develop, manage, validate, and verify Mission and Fault Management requirements in support of Vehicle and Mission Management system specifications Design, model, and test algorithms for vehicle integrated events and sequences, including inter-system constraints, prerequisites, event triggers, and command requirements for both nominal and off-nominal operations Systems Analysis and Design Leverage in-depth knowledge of aerospace vehicle subsystems (Engines, Main Propulsion System, Thrust Vector Control, Reaction Control Systems, Avionics, and/or Guidance Navigation and Control) to develop and analyze nominal and off-nominal system functions and operating parameters throughout pre-flight and flight phases Analyze and evaluate hazards, monitored conditions, measurements, and failure modes to design appropriate and effective automated and operational responses Cross-Functional Collaboration Interface with vehicle elements, contractors, and stakeholder organizations to ensure fault management principles are integrated into vehicle design, interfaces, and operations Participate in recurring vehicle, discipline, and subsystem meetings with stakeholders including Flight Software, Safety and Mission Assurance, Systems Engineering and Integration, Ground Operations, Flight Operations, Crew Office, Payload Integration Office, Element Contractors, Avionics, and Safety and Mission Assurance teams Present technical results and participate in discipline, project, and program-level reviews, including document reviews and issue resolution Required Qualifications Bachelor's degree in Aerospace, Electrical, Mechanical, or equivalent engineering discipline from an ABET-accredited institution Recent graduates up to 10 years of experience Experience working on integrated project teams using systems engineering and project management processes Excellent technical writing and communication skills Self-motivated team player with experience in dynamic work environments Preferred Qualifications: Experience in Model-Based Systems Engineering, SysML, MATLAB Stateflow, Systems Analysis Familiarity with launch vehicles, spacecraft, and integrated avionics and software Essential Functions: Work Environment General office environment (100%). Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA ( Physical Requirements Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (40%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and Amentum facilities (10%). Equipment and Machines: Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%). Attendance Normal workday is from 7:30 a.m. through 4:30 p.m., Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity and adequate arrangements for delegating duties during absences are required. Other Essential Functions The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Proof of U.S. Citizenship is required. Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.
Job Description Job Description Qualis LLc is seeking a Modeling & Simulation Systems Engineer II (IR Plume Mod/Sim Systems Engineer) responsible for the development and delivery of high-fidelity threat modeling products in support of the Missile Defense Agency (MDA) and MDA's Ballistic Missile Defense System (BMDS). Threat Systems Engineering (TSE) is responsible for the development of models and simulations (M&S) used to stimulate element models of MDA's BMDS, including kinematic missile modeling, IR signature modeling, data production/analysis activities, and maintenance/sustainment activities for the entire TSE software baseline. TSE is a cornerstone element to the Threat and Advanced Simulations Development (TASD) contract. This role requires employees to be onsite daily with no option for remote/hybrid work. Essential Functions: Data Engineering and Validation Handling large-scale, multi-dimensional array datasets Validating simulated data against measured test or flight data Analytical Rigor A natural tendency toward thoroughness and attention to detail Meticulous verification and validation of large, technical datasets Troubleshooting and Diagnostics Systematic Root-Cause Analysis: Ability to logically isolate variables and trace errors to determine if a simulation failure is caused by bad input data, software bugs, or system configuration issues. Legacy & Custom Code Debugging: Skilled at reading, parsing, and fixing errors in undocumented, in-house tools or legacy scripts (e.g., Python, MATLAB, C++) without relying on external support or documentation. Log Parsing & Error Identification: Proficient at reading complex log files, console outputs, and stack traces to quickly pinpoint why a simulation run or data conversion tool crashed. Data Sanity and "Silent Error" Detection: Able to identify and fix "silent failures" - where a tool runs to completion but produces physically or mathematically incorrect data. Team Collaboration Excellent verbal and written communication skills. Ability to prioritize and execute tasks and enjoy working in a collaborative team environment. Ability to create and work within schedules and timelines Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels. Required Qualifications: Bachelor of Science degree in a STEM (Science, Technology, Engineering, or Math) discipline preferred with 2 years of technical experience, or Master's Degree with 0-2 years' experience. Ability and willingness to travel up to 10% of the time to support business needs. Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start. Proficiency in Python, MATLAB or other scripting languages Foundational understanding of aerothermodynamics, radiative transfer, fluid dynamics, and molecular spectroscopy Foundational understanding of data analysis concepts. Basic conceptual understanding of flight dynamics and aerodynamics Preferred Qualifications: Bachelor of Science degree in Aerospace Engineering, Mechanical Engineering, Physics, Optical Sciences, or a related STEM field Strong math, physics or engineering background Modeling, Simulation, and automation experience Experience with atmospheric modeling codes (e.g. MODTRAN) Experience with JANNAF radiative signature codes Experience working in Linux based distributed computational environments Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.
11/12/2026
Full time
Job Description Job Description Qualis LLc is seeking a Modeling & Simulation Systems Engineer II (IR Plume Mod/Sim Systems Engineer) responsible for the development and delivery of high-fidelity threat modeling products in support of the Missile Defense Agency (MDA) and MDA's Ballistic Missile Defense System (BMDS). Threat Systems Engineering (TSE) is responsible for the development of models and simulations (M&S) used to stimulate element models of MDA's BMDS, including kinematic missile modeling, IR signature modeling, data production/analysis activities, and maintenance/sustainment activities for the entire TSE software baseline. TSE is a cornerstone element to the Threat and Advanced Simulations Development (TASD) contract. This role requires employees to be onsite daily with no option for remote/hybrid work. Essential Functions: Data Engineering and Validation Handling large-scale, multi-dimensional array datasets Validating simulated data against measured test or flight data Analytical Rigor A natural tendency toward thoroughness and attention to detail Meticulous verification and validation of large, technical datasets Troubleshooting and Diagnostics Systematic Root-Cause Analysis: Ability to logically isolate variables and trace errors to determine if a simulation failure is caused by bad input data, software bugs, or system configuration issues. Legacy & Custom Code Debugging: Skilled at reading, parsing, and fixing errors in undocumented, in-house tools or legacy scripts (e.g., Python, MATLAB, C++) without relying on external support or documentation. Log Parsing & Error Identification: Proficient at reading complex log files, console outputs, and stack traces to quickly pinpoint why a simulation run or data conversion tool crashed. Data Sanity and "Silent Error" Detection: Able to identify and fix "silent failures" - where a tool runs to completion but produces physically or mathematically incorrect data. Team Collaboration Excellent verbal and written communication skills. Ability to prioritize and execute tasks and enjoy working in a collaborative team environment. Ability to create and work within schedules and timelines Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels. Required Qualifications: Bachelor of Science degree in a STEM (Science, Technology, Engineering, or Math) discipline preferred with 2 years of technical experience, or Master's Degree with 0-2 years' experience. Ability and willingness to travel up to 10% of the time to support business needs. Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start. Proficiency in Python, MATLAB or other scripting languages Foundational understanding of aerothermodynamics, radiative transfer, fluid dynamics, and molecular spectroscopy Foundational understanding of data analysis concepts. Basic conceptual understanding of flight dynamics and aerodynamics Preferred Qualifications: Bachelor of Science degree in Aerospace Engineering, Mechanical Engineering, Physics, Optical Sciences, or a related STEM field Strong math, physics or engineering background Modeling, Simulation, and automation experience Experience with atmospheric modeling codes (e.g. MODTRAN) Experience with JANNAF radiative signature codes Experience working in Linux based distributed computational environments Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes: Health, dental, and vision insurance 401(k) match Paid time off and Holidays Educational, professional development and certification reimbursement. Tax-saving options Disability and Life Insurance Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.