Principal System Engineering

AT&T

Quick summary

Work type
On-site
Location
Plano, TXDallas, TXMiddletown, New JerseyAtlanta, GA
Salary
$155,400–$261,100 / yr
Posted
today

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $193k
This role $208k
$129k most similar roles pay here $275k

This role pays more than 56% of similar roles. Most pay $164,350–$222,000 — the shaded band above. At the midpoint, this role pays about $208k versus about $193k for comparable roles.

Based on 239 similar postings.

Employer

About AT&T

AT&T is a US-based telecommunications company providing wireless, broadband, and fiber internet service along with phone and connectivity products for consumers and businesses.

AT&T currently has 78 open roles on FindRole.

Listed pay typically runs $128,400–$192,600 across 74 roles with salary data.

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View all roles at AT&T

At a glance

TL;DR · Principal System Engineering

As a Principal Systems Engineer at AT&T’s Chief Information Office in Dallas, Texas or Plano, you will join the Corporate Systems team to enhance system reliability and software delivery. Your primary responsibility involves conducting deep root cause analysis for production incidents across various environments including cloud, web applications, APIs, and databases, using observability tools like logs, metrics, and traces. You will collaborate with engineering teams to implement permanent fixes and preventive measures, transforming the organization from a reactive stance to proactive reliability through data-driven insights and AI-assisted methods. Essential skills include experience in SRE, ITSM, and proficiency in Python, SQL, Power BI, and tools such as ServiceNow, T-APM, Grafana, and Jira Cloud. This role requires 7+ years of relevant experience and a strong background in systems thinking and problem-solving to drive long-term improvements in system reliability and efficiency.

What you'll do

  • Conduct root cause analysis for production incidents to prevent recurrence.
  • Analyze end-to-end system architecture using observability data and tools.
  • Write clear, structured postmortems after analyzing incident patterns.
  • Partner with engineering teams to implement permanent fixes and improvements.
  • Use AI-assisted methods to analyze operational data and identify systemic weaknesses.

What we're looking for

  • Proven experience performing deep RCA for production incidents.
  • Strong understanding of end-to-end system architecture including cloud, web apps, APIs, and databases.
  • Hands-on experience with observability tools such as logs, metrics, traces.
  • Ability to identify patterns and drive preventive actions in incident management.
  • Experience writing clear, structured postmortems and partnering with engineering teams for improvements.
  • Strong systems thinking and problem-solving skills combined with data analysis capabilities.
  • 7+ years of experience in Systems Engineering, ITSM, RM/CM, SRE, Support or QA.

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