Sr. Software Test Engineer (Contingent)

Date Posted: 2026-07-06 Country: United States of America Location: US-CO-AURORA-S76 ~ 16430 E Hughes Dr ~ BLDG S76 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: DoD Clearance: TS/SCI Security Clearance Status: Active and existing security clearance required on day 1 Job Description At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 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.  Collins is seeking Engineers to be part of an engineering team for the AF DCGS High Band Mission Applications Software (HBMAS) Sustainment and Development program. Under this effort, RTX Collins personnel will oversee/perform software development and sustainment for cloud-enabled systems that ingest, tag, and audit data sets, while maintaining security, integrity, and availability of data.  The team, working with our customers and users, will focus on developing and fielding operationally relevant system capabilities in the most effective and efficient manner.  The team will apply best practices across the engineering continuum, with a focus on improved software quality and process efficiency.   THIS ROLE IS CONTINGENT: Employment is based on contract award and customer funding This candidate must have an active TS/SCI security clearance. Travel to customer CONUS & OCONUS sites as required, but no more than 25%. This position is an onsite role in Aurora, CO and is contingent on contract award. Sign-on Bonus Eligible What You Will Do Support continuous testing activities across the development lifecycle. Validate software functionality, performance, and security requirements. Develop automated and manual test strategies. Execute tests within an integrated DevSecOps pipeline. Partner closely with development and operations teams to ensure high‑quality, reliable releases. What You Will Learn How to design and execute comprehensive testing strategies. How testing integrates into a DevSecOps pipeline. How to enhance software reliability through continuous testing practices. How to validate performance and security requirements alongside functionality. Qualifications You Must Have  Experience working with automated test frameworks and tools  Knowledge of Agile testing practices and continuous integration workflows  Ability to validate functional, performance, and security requirements  Experience managing test data and developing repeatable test processes  Ability to work collaboratively within cross‑functional Agile teams  Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience. Active and transferable TS/SCI - Current clearance is required prior to start date U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer ​ Experience implementing tests within a DevSecOps pipeline (e.g., CI/CD automation)  Familiarity with performance testing, load testing, or security test tools  Experience with scripting or programming languages used for test automation  Understanding of cloud‑based testing environments or containerized test execution  Experience creating and maintaining test documentation and traceability What We Offer Some of our competitive benefits package includes:  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 Eligible for relocation 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 Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily