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Principal Cybersecurity FirstNet Security Engineering Data & Platform

Chantilly, Virginia

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defend

Be a part of our elite cybersecurity team that provides strategy,
consulting, and threat detection to a wide range of customers.

"If you want to be continually challenged, always learning and able to shift careers, AT&T is the right place for you! I started at AT&T 18 years ago and never envisioned having an opportunity to transition into a Cybersecurity role."

Connie Bragg — Professional Cybersecurity

Technology

Don't just imagine the future. Create it.

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.

Join AT&T and reimagine the communications and technologies that connect the world. Our Chief Security Office ensures that our assets are safeguarded through truthful transparency, enforce accountability and master cybersecurity to stay ahead of threats. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.

What you’ll do:

  • Provide expert leadership over security governance, architecture, and risk decisionsimpactingmissioncriticalsystems for the FirstNet program.

  • Design, build, and own security automation and AI-enabled capabilities that reduce manual control execution, reporting, and risk analysis across the FirstNet security lifecycle.

  • Design, build, Secure andmaintainsecurity controldata andAI-driven security capabilitiesthatimproveefficiency, consistency, and visibility of the FirstNetsecurity posture.

  • Analyze large or complex data sets (e.g., vulnerability, configuration, telemetry, or operational data) toidentifysecurity trends, anomalies, and systemic risk.

  • Perform security architecture and risk reviews for FirstNet platforms, services, and APIs, translating findings into implementable engineering and data solutions.

  • Build and enhance backend services, pipelines, or integrations (handsondevelopment expected),to orchestrate automated security workflows, control checks, and data-driven decisioning,with minimal emphasis on user interface work.

  • Drive secure delivery practices by contributing to andimproving CI/CD pipelines,security-as-code patterns,data quality checks, and automated validationand evidence generation forsecurity controls.

  • Partner with engineering, product, and operations teams to operationalize security and data requirements into scalable controls, standards, and procedures supporting FirstNet.

  • Brief leadership and stakeholders on cybersecurity posture,automation-driven efficiency gains,datadrivenrisk insights, and remediation progress.

What you’ll bring:

  • Master’s degree in Cybersecurity,Computer Science desired.

  • At least 7 years of equivalentCybersecurity experience.

  • Demonstrated experience designing and implementing security automation (e.g., control checks, data ingestion, reporting, risk scoring, or remediation workflows) to reduce manual effort and improve operational scaleleveragingAT&T available AITechnology.

  • Stronghandsonexperience with data analysis ordata drivenengineering, including working with structured and unstructured datasets to support security or operational outcomes.

  • Advancedproficiencyin Pythonand appliedAI/ML, with experienceusingcloud native services (AWS and Azure) to build automations, intelligent analytics, and AI-assisted securityworkflows (e.g.,Glue, Athena,QuickSight,Sagemaker, Bedrock, Power Automate, Copilot for Git and VS Code).

  • Working knowledge of databases, data models, and data processing concepts relevant to security analytics and reporting.

  • Demonstrated experience improving engineering outcomes through CI/CD, automation, and disciplined code review practices.

  • Lead at enterprise scale and translate data insights into actionable security decisions.

  • Preferred certifications include CISSP, CISM, and CRISC

AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.

Supervisor:

No

Our Principal Cybersecurity, earns between $155,400-$233,200 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.

#LI-Onsite – Full-time office role-

Ready to join our team? Apply today.

Weekly Hours:

40

Time Type:

Regular

Location:

Chantilly, Virginia, USA:NC:Charlotte / Ibm Dr - Adm:8505 Ibm Dr

Salary Range:

$155,400.00 - $261,100.00

It 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-97628-1 Date posted 04/30/2026
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Benefits

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.

Compensation

Paid Time Off

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

Tuition
Assistance

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.

Discounts

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).

Savings

The Hiring Process

Step 1

Complete a quick application online and check your status often.

Step 2

Virtual or in-person
Interviews

Dress professionally and ensure good WiFi interviewing virtually.

Step 3

Conditional
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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