Principal Systems Engineer; ONSITE

Position Overview

Principal Systems Engineer – Mission Systems, Collins Aerospace (RTX company) – located in El Segundo, CA. The role focuses on the Global Positioning System (GPS)-Based Positioning, Navigation and Timing Service (GPNTS) program within the Multi-Domain Assured Navigation & Timing Applications (MANTA) group.

• Review and analyze system level requirements; develop verifiable system level requirements.
• Develop and execute test plans, verification and acceptance test procedures, including script development and use of test equipment such as GPS simulators to verify system requirements and prove compliance.
• Manage updates and timely release of CDRLs/SDRLs, improving 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.

• Degree in Science, Technology, Engineering or Mathematics (STEM) with a minimum of 8 years relevant experience, or an advanced degree with a minimum of 5 years experience.
• Active and transferable U.S. government‑issued security clearance (Secret) required at day1; U.S. citizenship required.
• Working knowledge of system engineering fundamentals and the ability to collaborate with all engineering disciplines and program management.
• Experience creating system block diagrams and analyzing system performance based on customer requirements specifications.
• Experience in Development, System Test and Sell‑off, involving hardware/software.
• Familiarity with industry standards including MIL‑STD‑810, MIL‑STD‑461, MIL‑STD‑704, ARINC and RTCA standards.
• Experience in system, software and hardware requirements management, traceability and allocation.
• Familiarity with EVM systems, ETCs and ECPs.
• Experience with test equipment/tools, technical reviews and production readiness.

• Minimum 10 years experience in RF/IR signal processing, electronics, navigation (GPS or inertial), modeling and simulation (e.g., 6‑DOF), aerodynamics, missile‑related mechanical engineering.
• Understanding of guidance and navigation systems with experience in GPS receiver system design, integration, test, verification and validation.
• Familiarity with GPS standards (e.g., AV‑861, DO‑229) and subsystem or systems architecting, system‑of‑systems definition.
• Familiarity with MOSA/SOSA/VITA/FACE standards.
• Development of Python scripts and working knowledge of model‑based systems engineering (MBSE).
• Proficiency in DOORSNG.
• Experience in Agile development and tools such as JIRA/Confluence.
• Experience with commercial test equipment (DMM, oscilloscope, signal generator, spectrum analyzer, logic analyzer).

• Medical, dental and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and separate employer retirement contribution.
• Tuition reimbursement program.
• Student loan repayment program.
• Life insurance and disability coverage.
• Optional additional coverages (pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal,  protection).
• Birth, adoption and parental leave benefits.
• Adoption assistance.
• Autism Benefit Employee Assistance Plan with up to 10 free counseling sessions.
• Healthy You Incentives, wellness rewards program, virtual doctor visits, etc.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section
503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.