Senior Software Engineer (Onsite)

Location: US-CO-AURORA-S76 ~ 16430 E Hughes Dr ~ BLDG S76, Aurora, CO, USA Date Posted: 2026-07-02 Position Role Type: Onsite Security Clearance: Active TS/SCI with SCI eligibility and U.S. citizenship required. Position Description: Collins Aerospace is seeking Engineers for the AF DCGS High Band Mission Applications Software (HBMAS) Sustainment and Development program. The role involves software development, sustainment of cloud-enabled systems that ingest, tag, and audit data sets, and ensuring data security, integrity and availability on CONUS & OCONUS sites (max 25% travel). What You Will Do Design, develop, test, deliver, and maintain software for cutting‑edge defense systems. Collaborate with engineers, architects, and leaders in an Agile environment. What You Will Learn Advanced software technologies including multi‑tiered architectures, AWS web services, and microservice design. Modern DevSecOps and CI/CD practices. Software lifecycle practices for large‑scale defense projects. Qualifications You Must Have Experience developing object‑oriented software using Java and related languages. Active TS/SCI clearance with SCI eligibility prior to start date. Typically a STEM degree and minimum 5 years of relevant experience; alternatively an advanced degree with minimum 3 years of experience. Qualifications We Prefer Experience with Agile development. Exposure to cloud platforms (AWS, Azure, or similar) and managed service integration. What We Offer Medical, dental, and vision insurance. Three weeks of vacation for newly hired employees. Generous 401(k) plan with employer matching and separate retirement contributions including a Lifetime Income Strategy option. Tuition reimbursement program. Student loan repayment program. Life and disability insurance. Optional coverages: pet insurance, home and auto, additional life and accident, critical illness, group legal, ID theft protection. Parental leave benefits and Ovia Health, fertility, and family planning support. Adoption assistance. Autism benefit. Employee assistance plan with up to 10 free counseling sessions. Healthy You incentives and wellness rewards program. Doctor on Demand and Teladoc second‑opinion program. Possible relocation assistance. Equal Employment Opportunity 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 protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans. #J-18808-Ljbffr