> Markdown version of [/jobs/ext/4618205-software-engineer-iii-ts-sci-poly-hpc-testing-pro](https://www.wearedevelopers.com/jobs/ext/4618205-software-engineer-iii-ts-sci-poly-hpc-testing-pro). 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 III (TS/SCI Poly) - HPC Testing Pro - **Company:** BCT LLC - **Location:** United States - **Contract:** Permanent contract - **Skills:** Bash Shell, Big Data, Database Queries, Linux, Python (Programming Language), Software Requirements Analysis, Scripting, Git, Restful APIs - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_cefbf3763cfa2ee4b7b753f9c833f398 ## About the Role BCT LLC is seeking a Software Engineer III with an active TS/SCI w/FS Poly. The role emphasizes testing for hardware and large data systems, with strong Linux, scripting, and REST API skills in support of formal test events. Responsibilities include designing testing scripts, reviewing system requirements, collaborating on test plans, and SAFe participation. The candidate must be proficient in Python, Bash, and database queries, with experience in Git and CI/CD tools.