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Software Engineer IV with Security Clearance

Cornerstone DefenseAurora, CO🇺🇸United StatesPosted Oct 20, 2026

Why This Role Stands Out

Leverage your advanced software engineering skills in a hybrid role at Cornerstone Defense, a leader in national security solutions, where you can earn $125,000-$155,000 annually. This position offers significant growth potential and the chance to tackle complex, impactful challenges with a supportive team. You will thrive here if you possess a strong technical background, a desire for continuous learning, and an active TS/SCI with polygraph clearance.

Quick Overview

Salary
$125k - $155k/yr
Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
Aurora, CO, United States
Posted
Yesterday
SQLGitConfluenceC++JavaJiraLinux

Job Description

Software Engineer Aurora, CO TS/SCI w/ Poly Compensation Range: $125,000 - $155,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Job Responsibilities: • Supports troubleshooting, maintenance, and documentation of software applications • Expected to troubleshoot and isolate sources of system errors or unexpected performance • Performs testing, integration and delivery of new software baselines • Ability to perform in-depth analysis and assessment with an end-to-end perspective of a complex system in operations • Active and transferrable TS/SCI with polygraph U.S. government issued clearance is required prior to start date Basic Quals: • Typically requires a Bachelors Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience • Experience with coding software in Java, or C++ • Experience in software development and/or software integration Preferred Quals: • Experience with software configuration management systems such as git or bitbucket • Ability to work in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract • Linux/Unix, GIT, and SQL experience • JIRA, BitBucket and Confluence experience desired

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