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Date Posted: 2026-08-17 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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Software organization develops software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems. Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensor, guidance, and flight control processing features to complete the mission. The Software org is made up of several Centers located across the country, responsible for all aspects of the software development lifecycle. Our 4000+ software engineers design, develop, and build innovative solutions for our customers. Join our fast-paced agile teams on the leading edge of technology. As part of the Software Engineering Directorate's (SWE) Effectors Center (EC) team, you will be an integral part of helping Raytheon further our vision to be the global leader in core and next-generation weapon and security solutions. By any measure, Raytheon is an exciting and rewarding place to work. We pride ourselves on developing mission-driven, world-class talent. The result is a workforce that takes pride in the company and consistently delivers superior solutions. Our Senior Principal Embedded Real-Time Software Developer/Integrator is a technical position that works in an Integrated Product Team (IPT) environment to architect, design, implement, test, debug, and deploy Software for Firmware (FPGA) and Hardware solutions that meet current and next generation autonomous avionics systems' needs. Working with a cross-discipline team, the candidate must have experience developing, testing, and integrating software for edge or embedded devices and/or subsystems (like telecom, medical, IoT, automotive, or robotics) where hardware operation, time critical function, functional reliability, mission assurance, and safety might be major concerns. The successful candidate will work with Product Owners, Chief Engineers, Management and other IPT members using Lean and/or Agile practices to ensure that embedded software is designed and developed to reliably operate toward the intended functions. This position is within the Effectors Center of the Software organization, and is an onsite role located in Tucson, AZ. What You Will Do Architecting, designing, implementing, testing, and debugging integrated embedded real-time software within heterogenous systems composed of firmware and hardware Working within a cross-discipline team to define, refine, and improve product concept, implementation, testability, and guaranteed, measurable quality Teaching, coaching, and mentoring less experienced staff Contributing to proposals as well as preliminary and critical design reviews Ability to obtain program access What You Will Learn Working across a product line in collaboration with other teams Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience. Experience including at least two of the following: Embedded C++ Software, Embedded Software Security, Software Architecture Design and Implementation. Experience using embedded Real Time Operating Systems (RTOS) (e.g., Green Hills, Integrity, Wind River VxWorks, Linux, etc.). Experience developing complex systems involving the integration of hardware, firmware, and software. 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 Familiarity with rate monotonic theory, practice, and limitations Familiarity with layered architectural principles, and their limitations Familiarity with reading electrical schematics and relating it to software function Familiarity with reading firmware source like VHDL or Verilog Familiarity with assembly language in at least one processor/controller family Experience using lab instruments like power-supplies, digital multi-meters, oscilloscopes, and logic analyzers Experience with developing device drivers for bare-metal and/or OS applications Experience leading engineering teams in delivering systems (of various size) involving the integration of hardware and software. 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. Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: 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 132,400 USD - 251,600 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. . click apply for full job details

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman's Space Systems Sector is seeking a Systems Engineer - Level 5 to join our team in Redondo Beach, CA. Please be aware that this position is contingent upon capturing program award(s) and obtaining and maintaining associated business and/or customer funding. Furthermore, this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future. In this role, the Systems Engineer - Level 5 will work in tandem with a scrum team of other software and systems engineers responsible for defining the product vision, managing the product backlog, and ensuring that all features align with business objectives. You will work closely with cross-functional teams to prioritize tasks and facilitate the timely delivery of high-quality mission focused software systems solutions. Additionally, you will incorporate user feedback to continuously refine the product roadmap and drive innovation in response to evolving customer needs. Development is done within the Agile paradigm using the Atlassian tool suite, so you will need to be able to work within an Agile environment. You will have experience in systems engineering with space domain knowledge, and you will define the requirements, interfaces, processes, use cases, protocols, schemas, sequence of interactions driving the software design for Ground Segment Functions for a system. You will integrate and test software segments, automate tests, verify requirements, and deliver products to operations. You will be supporting a program through full life-cycle milestones in Agile sprints to achieve the mission, you will have strong verbal and written communication skills, and you are expected to operate independently with little oversight in a dynamic environment. You will have experience with MBSE (Model Based Systems Engineering), CAMEO, SysML diagramming, requirements & verification, domain and mission knowledge, and work with or as software system engineering. You are highly self-motivated, reporting information to leads and the customer. You are expected to handle diverse assignments with efficiency, find unique solutions, and work in a very collaborative and fast-paced environment that continues to grow. Job responsibilities include, but are not limited to, the following: -Drive development and execution of features for the satellite ground systems domain with familiarity in reading CAMEO/MBSE models -Participate in working groups, research customer needs and interfaces, and then translate them into digital artifacts to enable software implementation -Support and/or lead development of verification planning, test requirements, and other key products -Work scope covers a range of Systems Engineering disciplines and products, including requirements & verification, interfaces, architecture, and design, integration, test and sell-off -Engage in sprint planning, stand ups, retrospectives, and reviews while maintaining alignment with product vision and mission goals -Provide subject matter expertise in Space-Vehicle Command and Control System areas and collaborate with other teams and unit level engineers supporting subsystems -Conduct demos and briefings for customers and senior leadership -Ensure seamless integration of capabilities, epics, and features with ground satellite software systems solutions -Utilize Atlassian tool suite, including Jira dashboards and Confluence knowledge bases -Support and/or lead preparation and execution of milestones and Agile product increments -Engage with multiple working groups and control boards -Additional specifics of responsibilities can be tailored based on the skillset and experience of the selected candidate Basic Qualifications for Systems Engineer - Level 5: -Bachelor's degree in STEM (Science, Technology, Engineering, Math) discipline with 12+ years of engineering experience OR -Master's degree in STEM (Science, Technology, Engineering, Math) discipline with 10+ years of engineering experience OR -PhD in STEM (Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience -Candidate must have an active SCI at time of application and prior to start date OR -Candidate must have an active U.S. Government Top Secret security clearance (or equivalent) at time of application and prior to start date as well as the ability and willingness to obtain and maintain an active SCI prior to start date. Continued employment thereafter will be subject to the candidate's maintenance of the level of clearance and program access required for the position in the future. -2+ years of experience with developing and evaluating behavioral and structural architecture diagrams using MBSE (Model Based Systems Engineering) methodology and tooling or equivalent -2+ years of experience using No Magic Cameo or equivalent -Experience with space-vehicle, command-and-control, mission management, mission data processing, or software subsystems -Demonstrated written and oral communications skills through written requirements, test, and evaluation criteria -2+ years of experience with Systems Engineering processes and artifacts development in support of SW development, including use cases, interface control documents, class diagrams, sequence diagrams, database design, schema development, and SW protocols such as REST, HTTP, & RESP or equivalent -Experience working on Agile programs and methodology Preferred Qualifications for Systems Engineer - Level 5: -3+ years of experience with command-and-control, network management, flight dynamics, and/or orbit determination for space-vehicle related software systems -Experience working with Space Vehicle Subsystems including thermal, power, attitude control system, propulsion, and/or communications -Familiarity with cloud-based architectures such as Kubernetes, containers, and orchestrators -Experience working mission focused threads -Experience with the software development lifecycle -Experience with JIRA/Confluence -Experience working with a geographically distributed team -Experience with Automated Test and Integration frameworks including Playwright -Active SCI at time of application and prior to start date. Please be aware that this position is contingent upon capturing program award(s) and obtaining and maintaining associated business and/or customer funding. Furthermore, this position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future. Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below: . Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site: Northrop Grumman Total Rewards As a full-time employee of Northrop Grumman, you are eligible for: -Medical, Dental & Vision coverage -401k -Educational Assistance -Life Insurance -Employee Assistance Programs & Work/Life Solutions -Paid Time Off -Health & Wellness Resources -Employee Discounts -Flexible Schedules: for example, the ability to work a 9/80 work schedule, which allows an employee to work a nine-hour day Monday through Thursday and take every other Friday off of work. Primary Level Salary Range: $177,000.00 - $265,600.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results . click apply for full job details