> Markdown version of [/jobs/ext/613639-principal-system-engineer](https://www.wearedevelopers.com/jobs/ext/613639-principal-system-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). --- # Principal System Engineer - **Company:** AT&T Inc. - **Location:** Southfield, MI, United States - **Experience:** Expert - **Salary:** $155,400.0 - $261,100.0 - **Contract:** Permanent contract - **Skills:** Software Documentation, Desktop Computing, Software Architecture, Transmission Control Protocol (TCP), Reliability of Systems, Computer Equipment, Information Technology - **Published:** June 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=de83206b4a129cb8 ## About the Role Do you have experience in Computer hardware?, Do you have a Bachelor's degree?, * Bachelor's degree (BS/BA) desired in Computer Science. * 7+ years of related experience. * Certification is required in some areas. ## Description Typical tasks may include, but are not limited to, the following: * System Design and Architecture: Design and create scalable, high-performance, and reliable system architectures and platforms. * Requirements Analysis and Integration: Translate business needs into technical specifications and ensure seamless integration of system components. * Technical Leadership and Collaboration: Provide guidance to development teams, align technical solutions with business objectives, and collaborate with stakeholders. * Performance, Reliability, and Troubleshooting: Conduct performance and reliability analysis, and resolve system issues and bottlenecks. * Documentation, Security, and Continuous Improvement: Maintain detailed system documentation, ensure security and compliance, and stay updated with industry trends for ongoing improvement., * An expert in their field, applying broad business knowledge and strategic insight surrounding emerging trends and technologies to solve complex problems and drive organizational results. * Leads critical, high-impact projects and designs/implements innovative business strategies. * Works with minimal oversight, frequently consulting senior leadership and influencing executive decisions. * Serves as a mentor and assists others with challenging issues. Supervisor: No TCP Career Step Differentiator: * Designs systems and platforms for very large complex projects for strategic clients and that have multiple system interdependencies. * Must have a strong understanding of computers (hardware and OS), network, and software architecture. ## Related Videos - [Modern software architectures](https://www.wearedevelopers.com/videos/1684-modern-software-architectures) - [Contract Testing with MCP: Building Self-Describing, Self-Testing APIs](https://www.wearedevelopers.com/videos/100040-contract-testing-with-mcp-building-self-describing-self-testing-apis) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [WebAssembly Revolution: Elevating JavaScript's Reach and Performance](https://www.wearedevelopers.com/videos/1149-webassembly-revolution-elevating-javascript-s-reach-and-performance) - [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company) - [One Does Not Simply Make Architecture Decisions Alone](https://www.wearedevelopers.com/videos/2128-one-does-not-simply-make-architecture-decisions-alone) ## Related Articles - [7 Best Steps For Writing Good Software Technical Documentation](https://www.wearedevelopers.com/magazine/113-7-best-steps-for-writing-good-software-technical-documentation) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv)