Principal Software Engineer (Onsite)

Location US-CO-AURORA-S76 ~ 16430 E Hughes Dr ~ BLDG S76 Date Posted 2026-07-06 Country United States of America Position Role Type Onsite Mandatory Clearance Requirements Active and transferable Top Secret U.S. government issued security clearance with SCI eligibility is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. What You Will Do Lead a software application team Design, develop, test, deliver, and maintain software for cutting‑edge defense systems Work with talented teams of engineers, architects, and leaders in an Agile environment What You Will Learn A breadth of advanced software technologies and techniques including multi‑tiered architectures, AWS web services, and microservice software design Modern DevSecOps and Continuous Integration/Continuous Delivery techniques Software lifecycle practices for large‑scale defense projects Qualifications You Must Have Experience leading Agile software development teams Proficiency in facilitating Agile ceremonies, maintaining team cadence, and supporting predictable delivery Strong understanding of Agile metrics and ability to use them to drive team improvement Ability to identify and remove impediments that block team progress Demonstrated success ensuring alignment with project and product objectives Experience supporting both sustainment and new feature development within Agile teams Active and transferable Top Secret U.S. government issued security clearance with SCI eligibility is required prior to start date 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 with minimum 5 years of experience Qualifications We Prefer Experience serving as Scrum Master across multiple teams or products Knowledge of scaling frameworks such as SAFe, LeSS, or View email address on click.appcast.io Ability to coach teams in maturing Agile practices and improving flow Strong communication and facilitation skills across technical and non‑technical audiences Relevant certifications (CSM, PSM, SA, SPC, or equivalent) Experience with Ruby, SDS or SEAM 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 May be eligible for relocation assistance And more Equal Opportunity Employer — 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 Collins Aerospace