Principal Mission / Systems Engineer

Job Posting Details Date Posted: 2026-05-18 Location: US-CA-ANAHEIM-406 ~ 160 N Riverview Dr ~ BLDG 406, Ste 150 Role Type: Onsite Citizenship: U.S. Citizen, U.S. Person, or qualifying immigration status Security Clearance: TS/SCI with Polygraph – active and existing required on day 1 Managed by: Collins Aerospace (Applied Signal Technology) Position Summary Applied Signal Technology (AST), part of Collins Aerospace, seeks a Principal Mission / Systems Engineer to develop and deploy high‑complexity systems that protect the nation and improve security worldwide. What You Will Do You will collaborate with R&D teams on system development and deployments. You will generate briefings and present material to team members, customers, and AST management. You will contribute to decision-making and idea generation to push products beyond expectations. Travel up to 25% may be required. Qualifications – Required Degree in Science, Technology, Engineering or Mathematics (STEM) Minimum 8 years of practical experience in Systems Engineering, including design, development and testing of complex hardware and software systems Experience interacting with development teams to resolve discrepancies and issues Ability to identify, analyze and resolve problems throughout the system lifecycle Experience with Systems Integration, test execution and documentation of test results Proficiency in Linux or Linux variants Strong problem‑solving and debugging skills Awareness of customer needs and capability to communicate improvements to senior staff Experience working with customers, end users, hardware and software design teams Availability to work weekends and nights periodically to support integration and testing Active TS/SCI security clearance with polygraph, and U.S. citizenship Qualifications – Preferred Experience with Fiber Optics, RF or Telecommunications standards Design, development, integration and testing of complex communication systems High‑speed processing hardware or complex control software development Experience developing training courses and training others Understanding of telecommunications systems concepts and signal processing fundamentals Programming experience (Python or Bash) Automation of integration test scripts Experience with requirements, plans and procedures development based on customer interaction Experience with system‑level design, high‑level control and data interfaces Bid and proposal experience related to system development Salary Range $118,300 – $224,900 USD Benefits Medical, dental and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan with employer matching funds and lifetime income strategy option Tuition reimbursement program Student loan repayment program Life insurance and disability coverage Optional coverages: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption and parental leave benefits Ovia Health for fertility and family planning, adoption assistance Autism Benefit Employee Assistance Plan with up to 10 free counseling sessions Healthy You incentives, wellness rewards program Doctor on Demand and virtual doctor visits Bright Horizons child and elder care services Teladoc Medical Experts and second opinion program EEO Statement 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, 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. #J-18808-Ljbffr