Software Engineer with Security Clearance

Here’s a clean, recruiter-ready job posting you can use for clearance candidates in Aurora: *** TS/SCI – Software Engineers (Principal to Sr. Principal) Location: Aurora, CO Salary: $150K – $200K+ (Depending on level & experience) Clearance Required: Active TS/SCI (CI or FS Poly Prefered but not required) Overview We are hiring Principal and Sr. Principal Software Engineers to support cutting-edge national security programs in Aurora, CO. This role involves developing, integrating, and maintaining complex software systems across classified environments. Ideal candidates will have strong Java development experience, exposure to hardware/software integration, and a background working in Agile environments. Top Skills Required * Java development (core competency)
* XML
* Software Development (full lifecycle)
* Hardware/Software integration experience Basic Qualifications Principal Software Engineer * Bachelor’s in STEM + 5+ years of software development experience *(OR Master’s + 3 years | OR PhD | OR 4 additional years in lieu of degree)
* Experience as a front-end, back-end, or full-stack developer
* Agile development experience (Scrum/SAFe)
* Strong experience in Java development
* Object-oriented design principles
* Version control tools (Git, Bitbucket, etc.)
* Active TS/SCI (CI or FS Poly is accapted and prefered) Sr. Principal Software Engineer Bachelor’s + 6+ years experience (OR Master’s + 7 years | OR PhD | OR 4 additional years in lieu of degree) Same technical expectations as above with deeper experience and leadership capability Preferred / Nice to Have Skills * Additional languages: C++, C, Python, JavaScript
* Experience in AWS / Cloud environments
* Linux expertise (Red Hat Enterprise Linux preferred)
* Docker / Kubernetes (containerization)
* Atlassian tools: Jira, Confluence, Bitbucket
* DevOps or Site Reliability Engineering (SRE)
* System integration, test, and deployment (automation a plus)
* Experience with distributed systems (Sr. level)
* Leadership experience (Sr. Principal level – Scrum Lead, Team Lead, etc.) What You’ll Do * Design, develop, and maintain scalable software solutions
* Collaborate across engineering teams using Agile methodologies
* Support HW/SW integration and troubleshooting efforts
* Contribute to system architecture, development, and deployment pipelines
* Participate in full software lifecycle from concept to operations Benefits (Eligibility Dependent) * Medical, Dental, Vision
* 401(k) (Pre-tax & Roth options)
* Life Insurance & AD\&D
* Short & Long-Term Disability
* HSA & Transportation Benefits
* Employee Assistance Program
* PTO / Vacation / Sick Leave Why This Role Mission-critical work supporting national security
Competitive compensation ($150K–$200K+)
Advanced technology stack and engineering challenges
Long-term program stability