Principal System Engineering - SRE (Plano)

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&Twill not hire any applicants for this position who require employer sponsorship now or in the future.Join AT&T and reimagine the communications and technologies that connect the world. The Chief Information Office is responsible for advancing information technology performance and delivering solutions with a focus on maximizing ROI, increasing efficiency and enhancing the experience of end users. Guided by experienced leaders, Corporate Systems seamlessly integrate with advanced Technology and Operations to drive our enterprise forward. Our Systems Reliability and Software Delivery teams are unwavering in their commitment to excellence, ensuring every solution is robust and efficient. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.What you’ll do:In this role, you will focus on understanding why production incidents happen and how to prevent them from recurring. You will analyze incidents end-to-end across applications, infrastructure, and cloud environments, using observability data to identify root causes, patterns, and systemic weaknesses.You will turn incident insights into high-quality postmortems and partner with engineering teams to drive corrective actions and long-term improvements. By combining system-level thinking with data, automation, and AI-assisted analysis, you will help shift the organization from reactive response to proactive reliability and incident prevention. You will partner with engineering and software development teams to implement permanent fix and preventive improvements What you'll bring: Proven experience performing deep RCA for production incidentsStrong understanding of end-to-end system architecture (cloud, web apps, APIs, databases, infrastructure)Hands-on experience with observability tools (logs, metrics, traces)Ability to identify patterns and drive preventive actionsExperience writing clear, structured postmortemsAbility to analyze operational data using tools, queries, or AI-assisted methodsStrong systems thinking and problem-solving skillsBackground in QA, test engineering, or automation engineering (strong plus)Experience using AI or advanced analytics for incident analysis or pattern detectionUnderstanding of distributed systems and failure modesExperience with data analysis / visualization tools (e.g., Power BI, Tableau)Mindset focused on eliminating recurring issues, not just fixing incidentsStrong communication skills to explain complex issues clearlyRequired:7+ years in Systems Engineering, ITSM, RM/CMBackground in SRE, Support or QAOne or more of the following SRE Tools: T-APM, T-Trace, CatchPoint, GrafanaHands-on experience and understanding of concepts and tools such as SAFe, Agile, DevOps, CI/CD, Data Analytics, and building Gen AI use casesExperience with AI technologies, Python, SQL, data analytics, Power BI and ITSM tools (e.g., ServiceNow)Modern Enterprise Release Management/Change Management and ITSMPreferred:BS/BA in Computer SciencePreferred tools: modern Release Management processes for Agile and DevOps environmentsJira Align, JSM, Jira Cloud, Git for enterprise RM/CMRelevantcertifications(SAFe,Agile,DevOps,AI/ML)Joining our team comes with amazing perks and benefits:Medical/Dental/Visioncoverage401(k) planTuitionreimbursementprogramPaid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)Paid Parental LeavePaid Caregiver LeaveAdditional sick leave beyond what state and local law require may be available but is unprotectedAdoption ReimbursementDisability Benefits (short term and long term)Life and Accidental Death InsuranceSupplemental benefit programs: critical illness/accident hospital indemnity/group legalEmployee Assistance Programs (EAP)Extensive employee wellness programsEmployee discounts up to 50% off on eligible AT&T mobility plans and accessoriesAT&T internet (and fiber where available) and AT&T phone.#LI-Onsite – Full-time office role-Ready to join our team? Apply today.

Our Principal System Engineering jobs earn between $155,400.00 - $261,100.00 USD Annual. 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 coverage401(k) planTuition reimbursement programPaid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)Paid Parental LeavePaid Caregiver LeaveAdditional sick leave beyond what state and local law require may be available but is unprotectedAdoption ReimbursementDisability Benefits (short term and long term)Life and Accidental Death InsuranceSupplemental benefit programs: critical illness/accident hospital indemnity/group legalEmployee Assistance Programs (EAP)Extensive employee wellness programsEmployee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phoneWeekly Hours:40Time Type:RegularLocation:Dallas, Texas, Plano, Texas, USA:GA:Atlanta / 1057 Lenox Park Blvd Ne - Adm:1057 Lenox Park Blvd NeSalary Range: $155,400.00 - $261,100.00It 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.