> Markdown version of [/jobs/ext/3970911-software-engineer-l3-ts-sci-with-poly-required](https://www.wearedevelopers.com/jobs/ext/3970911-software-engineer-l3-ts-sci-with-poly-required). 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). --- # Software Engineer L3 - TS/SCI with Poly required - **Company:** EMTAK. LLC - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Agile Methodology, Amazon Web Services, Unit Testing, C++ (Programming Language), Relational Databases, Python (Programming Language), PostgreSQL, Standard Sql, Software Engineering, Git, Atlassian Tools - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-l3-ts-sci-with-poly-required-annapolis-junction-md--cd0a2b18-b634-4fa7-9b52-26149df0c514 ## About the Role Software Engineering, Sensitive Compartmented Information (SCI), Top Secret Clearance, Software Engineering, Top Secret Clearance, Sensitive Compartmented Information (SCI), Testing, Software Testing, Software Development, Technical Writing, * Active TS/SCI clearance with Polygraph * Experience assisting with development and execution of software component test procedures * Experience generating and reviewing software and technical documentation * Experience working in an Agile software development environment * Experience using Jira and Confluence * Experience ensuring quality control of developed and modified software Required Technical Skills: * Git * Java, C++, and Python * Relational databases such as PostgreSQL * SQL * Amazon Web Services (AWS), * TS/SCI with Polygraph * 20+ years of experience with a Bachelor's degree in a technical field OR * An additional 4 years of relevant experience in lieu of a degree