Senior Systems Engineer (Active Clearance)

Date Posted: 2026-07-02 Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 Role Type: Onsite Citizenship: U.S. citizen required. Security Clearance: Secret - Active and existing U.S. government issued security clearance required prior to start date. 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. What You Will Do Perform analysis, 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, 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 part requirements, and develop 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 daily tasks in a classified and controlled lab environment. Travel up to 10%. What You Will Learn Technical leadership experience, mentorship opportunities, and exposure to influential individuals within Mission Systems that will help advance your career. Invaluable experience working with subject matter experts, security and crypto certification specialists, customers, and cross‑functional integrated product teams. Knowledge of security‑hardened products with exposure to a variety of business and products in an ever‑evolving field. Opportunity to grow and gain exposure to new skills. Qualifications Typical: Bachelor’s degree in a STEM field and minimum 5 years of relevant experience, or an advanced degree with minimum 3 years of experience. Experience with Model Based Systems Engineering. Active and existing Secret U.S. government issued security clearance required. U.S. citizenship required. Experience with the Scaled Agile framework. Exceptional communication skills and experience presenting technical data to program management and executive leadership. Experience 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 Competitive benefits package includes medical, dental, and vision insurance; three weeks of vacation for newly hired employees; generous 401(k) plan with employer matching funds and separate retirement contribution, including a Lifetime Income Strategy option; tuition reimbursement program; student loan repayment program; life insurance and disability coverage; optional pet, 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 with up to 10 free counseling sessions; healthy incentives, wellness rewards program; doctor on demand and virtual doctor visits; Bright Horizons child and elder care services; Teladoc second opinion program; relocation assistance; and more. Salary Range: 95,500 USD – 181,700 USD. 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. #J-18808-Ljbffr Prattwhitney