Principal Systems Engineer (ONSITE)

Date Posted: 2026-07-13 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 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 Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.  The Multi-Domain Assured Navigation & Timing Applications (MANTA) group within the Mission Critical Products organization is hiring a Principal Systems Engineer to join our Mission Systems organization in support of the Global Positioning System (GPS)-Based Positioning, Navigation and Timing Service (GPNTS) program. The Mission Systems organization is an exciting and challenging environment where you will have the opportunity to collaborate across disciplines to shape innovative solutions for our US customers. Sign-on Bonus Eligible What You Will Do: Review and analyze the system level requirements to perform the following tasks:     Develop verifiable system level requirement Develop/execute test plans, verification and or acceptance test procedures, development of scripts as well as utilization/configuration of test equipment and tools such as GPS simulators to verify system requirements and prove compliance Manage updates and timely release of CDRLs/SDRLs, contributing to improvement in documentation cycle time and customer satisfaction Contribute to technical interchange meetings and design reviews (TRR, PDR, CDR) Provide verbal and written status on assigned Integrated Master Schedule (IMS) tasks Qualifications You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience 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 Working knowledge of SE fundamentals with ability to work with all engineering disciplines and program management Experience system functionality, creating block diagrams, and analyzing system performance via analysis of customer requirements specification Experience working in Development, System Test and Sell-off, involving Hardware/Software Experience of industry standards such as MIL-STD-810, MIL-STD-461, MIL-STD-704, for airworthiness, ARINC and RTCA standards are preferred Experience in System, Software, and Hardware Requirements management/traceability/allocation Familiarity with EVMS, ETCs, and ECPs Experience with Test Equipment/Tools, Technical Reviews and Production Readiness​ Qualifications We Prefer: Minimum 10 years of experience in one or more of the following technical domains: RF/IR signal processing, electronics, navigation (GPS or Inertial), modeling, and simulation (for example 6-DOF), aerodynamics, missile related mechanical engineering (flight control systems, warheads, missile structures, seeker gimbals, RF/IR seeker sub-systems) Understanding of guidance and navigation systems and relevant experience with GPS Receiver system design, integration, test, verification, and validation Familiarity with GPS standards (e.g. AV-861, DO-229) Familiarity in sub system or systems architecting and system-of-systems definition Familiarity with MOSA/SOSA/VITA/FACE standards Development of Python scripts Working knowledge of Model-Based Systems Engineering (MBSE) Proficient in DOORS NG Experience in Agile development and usage of Agile framework tools such as JIRA/Confluence Experience in RF signal processing Experience with commercial test equipment (e.g. DMM, Oscilloscope, Signal Generator, Spectrum Analyzer, Logic Analyzer) What We Offer: Medical, dental, and vision insurance   Three weeks of vacation for newly hired employees   Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option   Tuition reimbursement program  Student Loan Repayment Program   Life insurance and disability coverage   Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection  Birth, adoption, parental leave benefits  Ovia Health, fertility, and family planning   Adoption Assistance            Autism Benefit   Employee Assistance Plan, including up to 10 free counseling sessions   Healthy You Incentives, wellness rewards program  Doctor on Demand, virtual doctor visits   Bright Horizons, child and elder care services  Teladoc Medical Experts, second opinion program  May be eligible for Relocation And more!   Learn More & Apply Now! Mission Systems:  Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our cust