> Markdown version of [/jobs/ext/471891-principal-software-engineer-iv-ts-sci-poly](https://www.wearedevelopers.com/jobs/ext/471891-principal-software-engineer-iv-ts-sci-poly). 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). --- # Principal Software Engineer IV (TS/SCI + Poly) - **Company:** Aperio Global, Llc - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $207,000.0 - $227,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Android Software Development, Python (Programming Language), Reverse Engineering, Selenium, Shell Script, Web Services - **Published:** June 6, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8639274a988d821b ## About the Role Do you have experience in Shell Scripting?, Do you have a Bachelor's degree?, * Mission Focus: Perform security analysis of web services on Android and OSX platforms to develop automation tools to scrape data and interact with public and private APIs Technical Proficiency: Strong experience with Java, Python, JavaScript, and shell scripting * Qualifications: Bachelor's degree plus 11-years of relevant experience or equivalent. * Security Clearance: Active TS/SCI with Polygraph required. NICE TO HAVE: Additional experience with Android development, browser automation with Selenium, reverse engineering; familiarity with AI ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Developer Time Is Valuable - Use the Right Tools - Kilian Valkhof](https://www.wearedevelopers.com/videos/1792-developer-time-is-valuable-use-the-right-tools-kilian-valkhof) - [MCP doesn’t suck — your agent does](https://www.wearedevelopers.com/videos/100202-mcp-doesn-t-suck-your-agent-does) - [Proactive monitoring and smoke testing in your production environment](https://www.wearedevelopers.com/videos/139-proactive-monitoring-and-smoke-testing-in-your-production-environment) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) - [Slopquatting, API Keys, Fun with Fonts, Recruiters vs AI and more - The Best of LIVE 2025 - Part 2](https://www.wearedevelopers.com/videos/1765-slopquatting-api-keys-fun-with-fonts-recruiters-vs-ai-and-more-the-best-of-live-2025-part-2) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)