Sr Principal Systems Engineer Mission Analyst​/Sr Principal Systems Engineer; Onsite

Job Details

Location:

US‐TX‐MCKINNEY-513PW ~ 2501 W University Dr ~ PW BLDG

Date Posted: 2026‑05‑21

Country:
United States of America

Position Role Type:
Onsite

Security Clearance:
Active U.S. government issued Secret clearance required prior to start date. U.S. citizenship required.

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.

The Integrated Solutions Modeling and Architecture Directorate (ISMA) performs customer‑focused operational analysis, simulation, mission planning and architecture development activities within Raytheon, an RTX company. Supporting this mission are teams driving flexible integrated solutions across 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.

• Develop modeling and analyze solutions across programs, captures and IRADs.
• Support operations research functions, including mission and campaign analysis.
• Develop team expertise in analysis methods, software development, and tools.
• Coordinate with principal investigators, IPTs, program chief engineer, and program management as needed.
• Develop capability delivery plans and lead team execution in an agile framework.
• Provide guidance, direction, mentoring and influencing skills, and foster teamwork, interdependent execution, and growth for earlier‑career engineers.
• Travel may be required – anticipated 10% domestic.

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience unless prohibited by local laws or regulations.
• Experience working in Linux environments.
• Experience using standard government‑developed tools including Advanced Framework for Simulation Integration Modeling (AFSIM), Suppressor, Brawler, and similar.
• Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Understanding of military tactics, techniques, and procedures (TTPs).
• Domain knowledge in sensors (RADARS, EOIR, etc.), network communications, weapons/effects (missiles, projectiles), command & control, and resource management is highly desirable.
• Proficiency with scientific computing environments, models, and/or simulations such as MATLAB, Simulink, Python, etc.
• Experience with military operations analysis.
• Ability to understand tactics as described by military experts and to represent their employment verbally, graphically, and in simulations.
• Strong technical writing and oral communication skills.
• Experience in numerical optimization techniques, analysis of alternatives, or design of experiments.

• 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.
• Salary range: 132,400 USD – 251,600 USD.
• Potential eligibility for benefits including 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 depend on the business unit and may be subject to collective‑bargaining agreements.
• Potential eligibility for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and coverage by a collective‑bargaining agreement.
• Position is U.S.
  
  -based; pay structure and benefits apply accordingly to U.S. territory residents.

Hired applicants may be eligible for further incentive compensation programs…