Principal Services Engineer MTS
RTX (Raytheon)
- Location
- US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 18, 2026
About this role
Location: US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG

 Position Role Type: Hybrid

 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: Top Secret - Current

 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 is currently seeking a Principal Field Engineer, to provide technical Operational Support at OCONUS (Outside Continental Unites States) and CONUS (Continental United States) locations for a supported Classified Customer.
What You Will Do
Support a classified customer in both CONUS and OCONUS operations with <25% Travel Support day to day factory system operations and repairs. Work in an engineering-centric role, to support product test, development, and integration for various Special Access Programs (SAPs) Develop Field Specific lessons learned for integration and employment of leading edge systems, for various customers. Lead training of junior team members and aid in continual development of field specific procedures for emerging and evolving technology. Act as liaison to field teams and engineering, to communicate system changes and requirements. Diagnose and capture system issues from customer channels, to support continual product spiral development. Be the face of both the program and company, relied heavily upon for operational support and decisions in a real-world capacity.
Qualifications
You Must Have: Current and transferrable Top Secret security clearance with a current Tier 5 (T5) investigation (required on the first day), with the ability to obtain program access after onboarding. 12+ years of MTS (Multi Spectral Targeting System) Experience 5+ years Supporting Classified Customer MTS operations. Bachelor’s in STEM related discipline. Experience in fielding and development of new technology.
Qualifications
We Prefer: 5+ years of Multi Spectral Targeting System experience, in direct support of Classified Customer operations. Experience mentoring junior team members and providing on-call technical support for colleagues. MQ-9 Avionics systems experience Ability to work in high pace austere environments In depth OCONUS deployment experience What We Offer: At RTX, our values—Safety, Trust, Respect, Accountability, Collaboration, and Innovation—guide everything we do. Learn More & Apply Now! 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: https://www.state.gov/m/ds/clearances/c10978.htm 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 107,500 USD - 204,500 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