Senior Principal Mission Protection Systems Engineer (Onsite)
RTX (Raytheon)
- Location
- US-VA-ALEXANDRIA-7900-CUST ~ 7900 Telegraph Rd ~ 7900-CUST (External Site)
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 17, 2026
About this role
Location: US-VA-ALEXANDRIA-7900-CUST ~ 7900 Telegraph Rd ~ 7900-CUST (External Site)

 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: TS/SCI with CI Poly - 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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Raytheon is seeking a Senior Principal Mission Protection Systems Engineer to perform in a high tempo, dynamic small team environment. This high-performance team is closely integrated with customers and contractors. This team operates at the center of critical US government functions enabling the nation to meet its national security plan and strategic goals. Location : Alexandria, Virginia.
What You Will Do
Serve as a technical subject-matter expert on multiple resiliency topics and capabilities. Perform project management/project leadership tasks collaborating with a multitude of customer and other contractor teams Develop processes, procedures and Concepts of Operations (CONOPs); build, coordinate, train, evaluate and analyze execution plans, supporting technical information, operating instructions and documents Regularly provide technical inputs, analysis, presentations, training and decision recommendations on Mission Protection topics to keep customer and contractor leadership apprised of activities, deliverables, problems and opportunities. Provide Mission Protection support to enterprise projects as well as to other programs as directed by the customer. Develop objectives & exercises with partners for red/blue team planning efforts Create and present abstracts, white papers and presentations to a variety of venues to include national level conferences Qualifications You Must Have Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience or equivalent experience. 5+ years of prior mission protections or operations experience. Experience analyzing and evaluating data and events to recommend course of action. Experience developing, tailoring and delivering technical presentations for engineering, operations, customer and contractor teams. Experience with Microsoft Office Tool Suite An active and transferable TS/SCI CI Poly 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 the required security clearance.
Qualifications
We Prefer Experience with Mission Protection/Weapons & Tactics (W&T) Experience with Flight Safety and on-orbit test & evaluation What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligible – Relocation assistance available Learn