Principal System Engineer
Listed on 2026-02-20
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Manufacturing / Production
Systems Engineer
This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.
At AT&T, we empower leaders to drive change in a fast-evolving, connected world. Your strategic vision will help serve customers and transform lives through innovative solutions and impactful connections.
As a Principal System Engineer, you'll lead the identification and tactics to eliminate customer effort and will play a pivotal role in reinventing Business customer interactions, simplifying Care operations, and enabling AI‑powered capabilities across our Business Care & Sales ecosystem. The Principal System Engineer will drive end‑to‑end process analysis, workflow design, and technology solutioning across Business Care & Sales operations including Billing & Collections, and next‑generation contact center platforms.
This individual will blend Lean/Six Sigma process engineering, enterprise systems design, and AI workflow innovation to reduce customer effort, accelerate resolution, and streamline operations.
- 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.
- Bachelor’s degree (BS/BA) desired in Computer Science.
- 7+ years of related experience.
- Certification is required in some areas.
- 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.
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.
Our Principal System Engineer earns between $174,100 - $261,100. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining Our Team Comes With Amazing Perks And Benefits- Medical/Dental/Vision coverage
- 401(k) plan
- Tuition reimbursement program
- Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
- Paid Parental Leave
- Paid Caregiver Leave
- Additional sick leave beyond what state and local law require may be available but is unprotected
- Adoption Reimbursement
- Disability Benefits (short term and long term)
- Life and Accidental Death Insurance
- Supplemental benefit programs: 8critical illness/accident hospital indemnity/group legal
- Employee Assistance Programs (EAP)
- Extensive employee wellness programs
- Employee discounts up to 50% off on eligible AT&T mobility plans and accessories,
- AT&T internet (and fiber where available) and AT&T phone
If you’re ready to make an impact on our business and your career, bring your bold ideas to a world of possibility.
Apply today!
Weekly Hours40
Time TypeRegular
LocationCerritos, California;
Dallas, Texas;
Greensboro, North Carolina;
Mesa, Arizona;
Miami, Florida;
Nashville, Tennessee;
Southfield, Michigan;
Tulsa, Oklahoma
$ - $
It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law.
In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
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