> Markdown version of [/jobs/ext/1093757-principal-system-engineer](https://www.wearedevelopers.com/jobs/ext/1093757-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:** Nashville, TN, United States
- **Experience:** Expert
- **Salary:** $174,100.0 - $261,100.0
- **Contract:** Permanent contract
- **Skills:** Software Documentation, Desktop Computing, Software Architecture, Transmission Control Protocol (TCP), Reliability of Systems, Information Technology
- **Published:** June 18, 2026
- **Apply:** https://dejobs.org/x/x/56966A31865E4DA49406DBCF314F74FA/job/

## About the Role

* 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

- [WebAssembly Revolution: Elevating JavaScript's Reach and Performance](https://www.wearedevelopers.com/videos/1149-webassembly-revolution-elevating-javascript-s-reach-and-performance)
- [Humanizing Your Documentation](https://www.wearedevelopers.com/videos/476-humanizing-your-documentation)
- [Modern software architectures](https://www.wearedevelopers.com/videos/1684-modern-software-architectures)
- [Closing Keynote by Joel Spolsky](https://www.wearedevelopers.com/videos/615-closing-keynote-by-joel-spolsky)
- [Why Is Software Documentation Still Static – And Why Modern Browsers Deserve Better](https://www.wearedevelopers.com/videos/2054-why-is-software-documentation-still-static-and-why-modern-browsers-deserve-better)
- [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)
- [Technical Documentation For Developers](https://www.wearedevelopers.com/magazine/128-technical-documentation-for-developers)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [IT Salaries in Austria](https://www.wearedevelopers.com/magazine/286-it-salaries-in-austria)
- [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)