> Markdown version of [/jobs/ext/4676647-ts-sci-software-engineer](https://www.wearedevelopers.com/jobs/ext/4676647-ts-sci-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # TS/SCI Software Engineer - **Company:** Insight Global - **Location:** San Antonio, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Agile Methodology, Systems Engineering, C++ (Programming Language), Cloud Engineering, Software Quality, Code Review, Cyber Security, Computer Engineering, Continuous Integration, Linux, Python (Programming Language), Key Management, Scrum Methodology, Program Analysis, Systems Development Life Cycle, Software Deployment, Software Engineering, Software Systems, Systems Integration, Scripting, Information Technology, Devsecops, Programming Languages - **Published:** November 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/cd80156c-d320-4f55-a000-5fce8a248c9d/tssci-software-engineer ## About the Role * Active TS/SCI clearance * Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related technical field * 10+ years of software development or software engineering experience * Strong hands-on experience with Python * Experience performing code reviews and evaluating software quality * Experience with the full SDLC, including development, testing, integration, and sustainment * Experience with programming languages such as Java, JavaScript, C, or C++ * Strong communication skills and ability to collaborate across engineering teams Nice to Have * DoD or Air Force experience * COMSEC, cryptographic, secure communications, or cybersecurity experience * KIV-78 or cryptographic key management experience * Agile, Scrum, or DevSecOps experience * CI/CD and modern software deployment experience * Cloud development experience * Linux/Unix and Windows experience * Master's degree in a related technical field ## Description Insight Global is seeking an experienced Senior Software Engineer with an active TS/SCI clearance to support mission-critical software used within secure government and defense environments. This is a hands-on engineering role for someone who enjoys solving complex technical problems, reviewing and improving code, and building reliable software that directly supports the mission. You'll work alongside software engineers, systems engineers, and government stakeholders across the full software development lifecycle. What You'll Do * Design, develop, test, and maintain software supporting secure and cryptographic systems * Perform code reviews and identify opportunities to improve software quality, security, performance, and maintainability * Use Python for development, scripting, automation, testing, and software analysis * Troubleshoot and resolve complex application and integration issues * Support software integration, verification, validation, and testing * Collaborate with technical teams to turn operational needs into working software solutions * Participate in Agile and DevSecOps environments, including sprint planning, testing, CI/CD, and releases * Support applications across cloud and on-premises environments * Help modernize existing systems and evaluate new technologies