AT&T

Principal System Engineering

AT&T$155K — $261K *
Plano, TX 75025In-Person
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years in Systems Engineering, ITSM, RM/CM
  • Proven experience performing deep RCA for production incidents
  • Strong understanding of end-to-end system architecture
  • Hands-on experience with observability tools
  • Experience analyzing operational data with AI-assisted methods
  • Background in SRE, Support, or QA
  • Experience with AI technologies, Python, SQL, and data analytics

Responsibilities

  • Analyze production incidents to identify root causes and patterns
  • Turn insights into structured postmortems
  • Collaborate with engineering teams to implement corrective actions
  • Develop preventive strategies to enhance system reliability
  • Analyze incidents across applications, infrastructure, and cloud environments
  • Utilize observability data to improve incident management processes
  • Drive a cultural shift from reactive to proactive incident management

Benefits

  • Medical/Dental/Vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • Paid Time Off and Holidays (at least 23 days of vacation per year)
  • Paid Parental Leave
  • Paid Caregiver Leave
  • Employee Assistance Programs (EAP)
  • Extensive employee wellness programs
  • Employee discounts on mobility plans and accessories
Full Job Description

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.

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 incidents
  • Strong 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 actions
  • Experience writing clear, structured postmortems
  • Ability to analyze operational data using tools, queries, or AI-assisted methods
  • Strong systems thinking and problem-solving skills
  • Background in QA, test engineering, or automation engineering (strong plus)
  • Experience using AI or advanced analytics for incident analysis or pattern detection
  • Understanding of distributed systems and failure modes
  • Experience with data analysis / visualization tools (e.g., Power BI, Tableau)
  • Mindset focused on eliminating recurring issues, not just fixing incidents
  • Strong communication skills to explain complex issues clearly

Required:

  • 7+ years in Systems Engineering, ITSM, RM/CM
  • Background in SRE, Support or QA
  • One or more of the following SRE Tools: T-APM, T-Trace, CatchPoint, Grafana
  • Hands-on experience and understanding of concepts and tools such as SAFe, Agile, DevOps, CI/CD, Data Analytics, and building Gen AI use cases
  • Experience with AI technologies, Python, SQL, data analytics, Power BI and ITSM tools (e.g., ServiceNow)
  • Modern Enterprise Release Management/Change Management and ITSM

Preferred:

  • BS/BA in Computer Science
  • Preferred tools: modern Release Management processes for Agile and DevOps environments
  • Jira Align, JSM, Jira Cloud, Git for enterprise RM/CM
  • Relevantcertications (SAFe, Agile, DevOps, AI/ML)

Joining our team comes with amazing perks and benefits:
  • Medical/Dental/Visioncoverage
  • 401(k) plan
  • Tuitionreimbursement 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 Benets (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 ATT mobility plans and accessories
  • ATT internet (and ber where available) and ATT phone.

#LI-Onsite 6 Full-time ofce 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 ATT 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 ATT mobility plans and accessories, ATT internet (and fiber where available) and ATT phone

Weekly Hours:

40

Time Type:

Regular

Location:

Dallas, Texas, Middletown, New Jersey, Plano, Texas, USA:GA:Atlanta / 1057 Lenox Park Blvd Ne - Adm:1057 Lenox Park Blvd Ne

Salary Range:

$155,400.00 - $261,100.00

About AT&T

Cricket Wireless is a U.S.-based company that offers prepaid wireless voice, text, and data services. Cricket Wireless was founded in 1999 by Leap Wireless International, Inc. Currently, it operates as a subsidiary of AT&T Inc.

AT&T Careers

Joining AT&T means becoming part of a global team known for driving innovation and leading the telecommunications industry. It's an opportunity to grow your career at one of the most diverse and resource-rich companies in the world. Work You'll Do At AT&T, we're not just about phone lines and data plans. We're about connecting people and fostering relationships. As a member of our team, you'll help deliver cutting-edge solutions across various sectors, ensuring that our services are not only available but also transformative. Lead with Innovation Embrace a role at AT&T where technology meets creativity. Our professionals lead the market in developing and deploying technology solutions that transform how people communicate and do business. We are pioneers in creating new paths for technology, with a focus on sustainable and responsible innovation. Join a Diverse and Inclusive Team AT&T is committed to diversity and inclusion, ensuring that all employees can thrive. We are proud to offer diversity training and leadership programs that empower our team members to grow professionally and personally. Our culture is one of inclusivity, where every voice is heard and valued. Explore Job Opportunities Whether you're looking for an entry-level position or a more senior role, AT&T offers a range of job opportunities across various fields. From engineering to marketing, our team is composed of skilled professionals who are leaders in their respective areas. Internship Programs Kickstart your career with an AT&T internship. Gain hands-on experience, work on real projects, and learn from leaders in the industry. Our internships provide a robust platform for learning and growth, helping you build skills that are crucial for future success. Benefits and Growth AT&T is dedicated to the growth and development of its employees. We offer comprehensive benefits, including health care, retirement plans, and continuous professional development opportunities. With resources like career coaching and resume workshops, we support your journey every step of the way. Networking and Professional Development Expand your professional network within AT&T through various networking events, mentorship opportunities, and collaborative projects. Our focus on career development is designed to help you reach your professional goals, enhancing your skills and preparing you for leadership roles. Stay Connected Join Our Team Discover the career you've always wanted by exploring the open positions at AT&T. We are constantly on the lookout for passionate, innovative, and driven individuals to join our team. Check out our current job listings and find where your skills and interests align with our needs. Keep Up to Date Stay informed with the latest career tips, company news, and industry insights—all from the professionals who are part of our team. AT&T is a place where you can make an impact, leading the way in the telecommunications industry. Job Alert Emails Customize your experience by signing up for job alerts that match your career preferences. Stay ahead of the curve and be the first to know about exciting and rewarding opportunities at AT&T. At AT&T, your career is poised for success, equipped with the right tools, culture, and team to make it happen. Join us and be part of a company that values innovation, leadership, and a diverse workforce.
Learn more about AT&T
Size
203,000 employees
Market Cap
$131.2 billion
Industry
Net Income
-$5.1 billion
Founded
1983
5 Year Trend
+0.6%
Revenue
$171.7 billion
NASDAQ

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