Lead Site Reliability Engineer (SRE)
Plano, Texas
Job Description:
Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it.
Lead System Engineer
- As a Tier 2/Site Reliability Engineer (SRE), you will translate core business requirements into robust, scalable, and reliable technical solutions. You’ll play a pivotal role in designing and implementing applications, platforms, and services that power critical business operations, with a strong emphasis on high availability, performance, and compliance in cloud, messaging, and data environments.
- Individual will possess the experience & skills that includes a hybrid of traditional T2/SRE operations technical skills to support our Project Growth apps and new, evolving Generative AI and Workflow Automation skillsets needed to drive operational efficiency and scalability.
- Provide technical expertise and best practices for Java, Python, JavaScript, and Perl-based solutions.
- Practical understanding of AI/ML concepts and their integration in enterprise platforms.
Key Responsibilities
- The EngOps Tier 2/SRE team ensures applications and systems are highly reliable, scalable, and performant while fostering a collaborative culture between development and operations.
- Work with T1 team on incident as Triage lead during outages or critical issues Pager duty issues
- Minimize downtime and user impact during incidents.
- Conduct detailed After Action Reviews involving all stakeholders and chalk out short term and long-term resiliency options.
- Eliminate recurrence of similar issues through systemic fixes.
- Define and implement monitoring and alerting strategies tailored to the launch.
- Collaborate with Product development teams to gain deep insight into the application architecture, flows and critical dependencies.
- Monitor and evaluate key performance metrics like latency, throughput, and error rates and update alerts
- Propose architectural or operational changes to prevent reoccurrence
- Reduce Mean Time to Resolution (MTTR) for incidents.
Required Qualifications
- Education: Bachelor’s degree in computer science, Information Systems, or a related discipline.
- Experience: Over 10 years hands-on experience in architecting and building scalable platforms and applications in cloud/data environments.
- Expert level experience using Python, Java, Javascript, and Perl based solutions in a SRE role.
Nice-to-Have
- Practical understanding of AI/ML concepts and their integration in enterprise platforms.
Our Lead System Engineering, earns between $158,200-$237,400 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 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: critical 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.
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.
#LI-Onsite – Full-time office role-
Ready to join our team? Apply today.
Weekly Hours:
40Time Type:
RegularLocation:
USA:TX:Plano / W Plano Pkwy - Adm:3400 W Plano PkwySalary Range:
$158,200.00 - $237,400.00It 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.
Job ID R-97836 Date posted 01/26/2026
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
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Interview
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Conditional Job Offer
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Background Check
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