Principal Systems Engineer (ONSITE)

Date Posted: 2026-07-24 Country: United States of America Location: US-CA-EL SEGUNDO-E06 ~ 2010 E El Segundo Blvd ~ BLDG E06 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 is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. The Multi-Domain Assured Navigation & Timing Applications (MANTA) group within the Mission Critical Products organization is hiring an Principal Systems Engineer to join our Maritime PNT organization in support of the Global Positioning System (GPS)-Based Positioning, Navigation and Timing Service (GPNTS) program. The Maritime PNT organization is an exciting and challenging environment where you will have the opportunity to collaborate across disciplines to shape innovative solutions for our US Navy customer. Sign-on Bonus Eligible What You Will Do * You will develop verifiable system level requirement You will develop/execute test plans, verification and or acceptance test procedures, development of Develop verifiable system level requirements. You will 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. You will Manage updates and timely release of CDRLs/SDRLs, contributing to improvement in documentation cycle time and customer satisfaction You will contribute to technical interchange meetings and design reviews (TRR, PDR, CDR) You will provide verbal and written status on assigned Integrated Master Schedule (IMS) tasks Qualifications You Must Have Working knowledge of Model-Based Systems Engineering (MBSE) Active and transferable Experience in Agile development and usage of Agile framework tools such as JIRA/Confluence Experience in DOORS NG Familiarity with EVMS, ETCs, and ECPs Experience in System, Software, and hardware Requirements management/traceability/allocation Experience in RF signal processing Experience visualizing system functionality, to create block diagrams, and to analyze system performance via analysis of customer requirements specification 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 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 Qualifications We Prefer Minimum 5 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 Experience with Test Equipment/Tools, Technical Reviews and Production Readiness Familiarity in sub system or systems architecting and system-of-systems definition Familiarity with MOSA/SOSA/VITA/FACE standards Must be able to write clear engineering documentation 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     • And more!   Learn More & Apply Now!  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 customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.  *Please ensure the role type (defined below) is appropriate for your needs before applying to this role.  ONSITE : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance empl