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Principal Member of Technical Staff

Plano, Texas

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Discover the undiscoverable.

"AT&T allows me to work on projects that will be seen by millions of customers."

Megan T. — Sr. Specialist, Software Engineer

"I find it incredibly rewarding to be out and see customers enjoying a product I spent my time perfecting."


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Job Overview

As a Principal Member of Technical Staff, you’ll provide solutions to complex business and technical problems or issues of complex scope using advanced engineering and technical principles.

Key Responsibilities:

  • Applies engineering principles and practice in broad areas of complex technical project work that requires in-depth analysis using advanced techniques, knowledge, and expertise.
  • Provides technical expertise within project teams.
  • Communicate and provide documentation for issues identified to both vendor and internal teams.
  • Represent the group internally across the company to provide functional and technical leadership and externally to submit vendor feature requests.
  • Development of Test Cases based on Architecture and Requirements documents.
  • Test case execution based on test plan.
  • Automation of existing test cases currently executed manually.
  • Review of Method of Procedures (MOPs) documents.
  • Document all defects found during testing.
  • Work with 3rd party vendors as needed to help gather information needed to resolve defects.
  • Participation in document reviews including Test Plans, MOPs, Architecture and Requirement documents.
  • Administration of Linux servers in the LCL Lab in Plano including imaging and installation of ASPR tools
  • Operational support and monitoring of the LCL Lab in Plano.

Required Education:

  • Bachelor’s degree or higher degree in Engineering, Computer Science, Informational Technology, Data Communications from an accredited university.
  • PhD in an approved field with 4 years of relevant experience or Masters in an approved field with a minimum of 6 years of relevant experience or a Bachelors in an approved field with a minimum of 8 years of relevant experience.   

Required Experience:

Candidate must have Expert or advanced level experience with the following:

  • UNIX System administration (RHEL, Ubuntu, Fedora, Debian, DigiCert Certificates)
  • ASPR server tools and requirements.
  • Radius, SIP, Iperf, MySQL, Oracle, ECO, F5 load balancer and AMS
  • Routing protocols such as OSPF, BGP, MPLS, and PIM
  • IPV4, Dual-Stack, native IPv6,
  • XPON, GPON and xDSL
  • Residential Gateways, Broadband Standards such as TR-069, TR-098, TR-104
  • Element Management Systems (EMS)
  • Experience with deploying and maintaining Cloud native applications and microservices on Public or Private Cloud.
  • Expertise with scripting languages like Python, Java and shell scripting.

Proficiency in standard Microsoft Office products is expected, while mastery of advanced techniques and Office features is highly beneficial.

Our Principal Member Technical Staff earns between $144,800 to $241,300 annually. 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

A career with us, a global leader in communications and technology, comes with big rewards. As part of our team, you’ll lead transformation surrounded by trailblazing industry leaders like you. You’ll be empowered to go above and beyond – making a difference through company-sponsored initiatives or connecting and networking through one of our many employee groups. And regardless of where you’re at in your career trajectory, you’ll be rewarded by the impact that comes with making a difference in the lives of millions. With AT&T, you’ll be a part of something greater, do incredible things and be rewarded with a chance to change the world.

Ready to join us? Apply today

    Job ID 2307187 Date posted 03/17/2023
    Apply Now


    Invested in your satisfaction and continued success.

    We take care of our own here (hint: that could be you). Our benefits and rewards mean we cover some of your biggest needs with some of the coolest offerings. We already think we’re a pretty great place to work. We’re just trying to rack up some bonus points.

    Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.


    When it comes to priorities, we know family tops the list. For the moments that matter the most, you'll be there for them, and we'll be here for you.

    Family Leave

    Paid Time Off

    Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.


    Here’s another reason to breathe easy: You and your family get access to excellent medical, dental and vision insurance options.

    Insurance Options

    Wanna make your friends really jealous? You’ll get discounted access to the latest and greatest AT&T products and services — plus other awesome items, like tickets to live events.


    You strike us as an over-achiever (don’t worry, it’s a compliment). Our training and development programs are your ticket to expert status in your job.

    Training & Development

    When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).


    Give back to your community and connect with colleagues through social and team-building events, and annual paid time off for volunteer efforts of your choice.

    Community & Team Events

    The Hiring Process

    Step 1

    Complete a quick application online and check your status often.

    Step 2

    Virtual or in-person

    Dress professionally and ensure good WiFi interviewing virtually.

    Step 3

    Job Offer

    After a background check, you're part of the team.

    Step 4

    Welcome! Onboarding
    and Training Begins

    Our training and certification programs set you up for success.

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