Raytheon
Aerospace & Defense
SrPrincipalSystemsEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Sr Principal Systems Engineer at Raytheon. Skills: Systems Engineer, vehicle design, system sizing, mission performance analysis, trajectory optimization, modeling, performance analysis, mission planning toolsets, grid computing infrastructure, visualization, STK. Tasking is expected to include a mix of vehicle design and system sizing, mission performance analysis, and trajectory optimization. Analyze notional missions and hardware for feasibility”
What You'll Achieve.
realize team objectives; protecting our nation and our warfighters; develop concepts and mature technologies for new business development and capture
Industry & Context.
Ability to question data and address root cause issues
Active and transferable U. S. government issued security clearance is required prior to start date, U. S. citizenship is required, DoD Clearance: Top Secret, Active and existing security clearance required on day 1, Ability to obtain special program access after start
What They're Looking For.
Must Have
STEM degree, minimum of 10 years of prior relevant experience, Depth in at least one system-level or subsystem-level technical domain: Guidance, Navigation, and Control, Orbital Mechanics, Mission Planning, Mission Analysis / Performance Analysis, Satellite Technology, Multidisciplinary design, System-of-Systems design, Experience with programming languages such as Python, MATLAB, and/or C++, familiarity with both Windows and Linux environments, Experience in one or more of the following skill areas: System performance, CONOPS, Algorithms and signal processing, Modeling and simulation (i. e. , 6-DOF), Active and transferable Top Secret U. S. government issued security clearance is required prior to start date with the ability to obtain special program access after start, U. S. citizenship is required
Nice to Have
Advanced Degree in STEM, An understanding of vehicle conceptual design, advanced design methods, numerical optimization methods, and data analytics, Experience in building physics-based models and choosing an appropriate fidelity for the questions being asked, Highly self-motivated and independent work ethic, Ability to question data and address root cause issues, Familiarity with Git version control, Familiarity with SLURM grid computing infrastructure, Experience with Ansys STK
What You'll Do.
Tasking is expected to include a mix of vehicle design and system sizing
mission performance analysis
and trajectory optimization
Analyze notional missions and hardware for feasibility
Develop common mission analysis
and mission planning toolsets for a various portfolio
Utilize grid computing infrastructure to enable generation and analysis of large datasets
Produce visualizations of complex systems and mission CONOPs in STK or similar tools
Coordinate with product line management and customers
Work closely with programs & AT leadership to develop concepts and mature technologies for new business development and capture
Engage directly in mission planning application software development and testing
How You'll Work.
Team & Collaboration
engage with engineers across disciplines; coordinate with product line management and customers; Work closely with programs & AT leadership
Process & Methodology
new business development, capture
Full Job Description
**Date Posted:** 2026-05-07 **Country:** United States of America **Location:** US-AZ-TUCSON-805 ~ 1151 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: Top Secret **Security Clearance Status:** Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon’s Integrated Solutions Modeling and Architecture Directorate (ISMA) performs customer focused operational analysis, simulation, mission planning and architecture development activities. Supporting this mission are teams driving flexible integrated solutions crossing all product areas (sensors, effectors, command and control, logistics and operations), developing tools and methods to evaluate system level studies and visualization based on customer requirements. The Operations and Mission Analysis (Southwest) department is currently seeking a **Systems Engineer** to support Raytheon’s Advanced Technology organization. Join this highly visible team and perform highly technical assignments, directly contributing to protecting our nation and our warfighters. Advanced Technology incubates new and novel technologies and mission areas for the RTX business, captures new programs, and executes extremely unique special projects. The team welcomes you to join our tradition of excellence through innovation and coll
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