Principal System Engineer

AT&T

Principal System Engineer managing technical enablement and architectural solutions for applications at AT&T. Involving software development, functional and performance analysis across systems.

Posted 5/21/2026full-timeDallas • Texas • 🇺🇸 United StatesLead💰 $178,000 - $261,100 per yearWebsite

Tech Stack

Tools & technologies

Cloud

About the role

Key responsibilities & impact

Define designs and provide technical enablement of application components and subsystems for applications
Translate the core architecture of business requirements into final technical solutions consisting of platform, network, software, and cloud
Utilize functional, performance, and reliability analysis and engineering models and techniques
Perform software development throughout the vertical stack
Elaborate on the design and interfaces of specific components including defining subsystems and their interfaces, allocating responsibilities to subsystems, understanding solution deployment, and communicating requirements for interactions with solution context
Validate technology assumptions and evaluate implementation alternatives
Establish critical NFRs at the solution level and participate in the definition of others
Create and enable the continuous delivery pipeline including participating in the planning, definition, and high-level design of system solutions
Develop architectural runway in support of new business features and capabilities
Develop, analyze, split, and realize the implementation of enablers
Participate in project planning, system and solution demos, retrospective workshops
Understand and assist with the architectural integration of external components, systems, and platforms

Requirements

What you’ll need

Requires a Master’s degree, or foreign equivalent degree in Computer Science or Applied Computer Science
3 Years of experience in the job offered or 3 Years of experience in a related occupation utilizing functional, performance, and reliability analysis and engineering models and techniques
Performing software development throughout the vertical stack
Validating technology assumptions and evaluate implementation alternatives
Developing, analyze, split, and realize the implementation of enablers
Understanding and assisting with the architectural integration of external components, systems, and platforms

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

software developmentfunctional analysisperformance analysisreliability analysisarchitectural designsystem integrationcloud solutionscontinuous delivery pipelinevertical stack developmentimplementation of enablers

Soft Skills

communicationproject planningcollaborationproblem-solvinganalytical thinking

Certifications

Master’s degree in Computer ScienceMaster’s degree in Applied Computer Science