Senior Software Engineer, TS/SCI – Cloud & DevSecOps

Cornerstone Defense LLC; United States; On-site; USD 175,000 - 200,000; Full time

Job summary

Cornerstone Defense LLC seeks a Software Engineer in Aurora, CO with active TS/SCI clearance. You will design multi-tier software using Java and C++, deploy in Linux environments, and contribute to defense-grade systems. The role emphasizes DevSecOps, CI/CD, and end-to-end software lifecycle.

Ideal candidates have 10+ years in software engineering, hands-on experience with AWS services, and familiarity with M2C2/Rushmore programs. U.S. citizenship is required for clearance eligibility.

Qualifications

• Bachelor’s degree in STEM and 10 years of software engineering experience.
• Experience with Java and C++ in Linux environments.
• Proficient with Atlassian tools: Confluence, Jira, Bitbucket.
• Experience on the M2C2 or Rushmore programs.
• Active TS/SCI clearance and U.S. citizenship required.

Responsibilities

• Architect multi-tier software solutions using AWS web services and microservice design.
• Implement modern DevSecOps practices and CI/CD pipelines.
• Apply software lifecycle best practices on large-scale defense projects.
• Work with satellite ground system technologies including C2/tel- op planning and scheduling.

Skills

Java

C++

Linux

SAFe Agile

Full stack development

Python

Education

Bachelor's degree in STEM

Tools

Jira

Confluence

Bitbucket

Kubernetes

Git

SonarQube

WebLogic

Oracle

Job description

Cornerstone Defense LLC seeks a Software Engineer in Aurora, CO with active TS/SCI clearance. You will design multi-tier software using Java and C++, deploy in Linux environments, and contribute to defense-grade systems. The role emphasizes DevSecOps, CI/CD, and end-to-end software lifecycle.

Ideal candidates have 10+ years in software engineering, hands-on experience with AWS services, and familiarity with M2C2/Rushmore programs. U.S. citizenship is required for clearance eligibility.