Principal Systems Engineer- Requirements Lead (Onsite)

Date Posted: 2026-07-09 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 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. This position is for an experienced Systems Engineering professional.  Join the Mission Systems Secure Subsystems Department and help shape, define, and design communication solutions that connect militaries around the world!  As a Systems Engineer , you will design and develop military products ensuring safe and protected communication. You will interface with multi-discipline engineering teams to create total system solutions, addressing both domestic and international customer needs.   What You Will Do Perform system requirements decomposition from the customer down to the subsystems and be the product owner for systems. Lead a requirements team to align with system architecture and ensure all requirements will be complaint Perform analysis's, architecture and design at all levels of the total system product including concept, design, fabrication, modeling, test, installation, operation, maintenance and disposal Perform functional analysis's, trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications Provide analyses for the decomposition of customer specifications and system level requirements into sub-system and piece part requirements, and develops verification criteria and plans for the requirements  Perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total system solutions Perform bid and proposal efforts  Qualifications You Must Have Experience with the systems development process, including leading requirements capture, design, decomposition, integration, and verification/validation, and transition to production. Active and transferable SECRET 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 Familiarity with the Scaled Agile framework  Exceptionally strong communication skills, experience presenting technical data to program management and executive leadership  Experienced with Cryptographic Hardware architecture/design, Network Encryption specifications and test methodologies Experience with tools such as DOORS, CAMEO or similar, Software Languages such as Rust and Python. Experience with Hardware and Software Integration, Validation & Verification Testing, and Qualification Testing 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     • This position is eligible for relocation assistance     • 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 customers succeed 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 employees, as they are essential to the development of our products.    Apply now and be part of the team that’s redefining aerospace, every day.   Employee Referral Eligible 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 o