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Senior Cybersecurity - SIEM

Charlotte, North Carolina

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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.

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.

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.

The Senior Cybersecurity position requires solid technical knowledge in cyber operations, SIEM work experience, detection engineering, algorithm development and a strong interest in growing expertise. Works independently on assigned tasks and collaborates closely with Leads and analysts to review and document feeds, research threat scenarios, and develop scripts, dashboards, and reports to detect and analyze threats against the Enterprise. This role supports SaaS, Network Infrastructure Security, on-prem and cloud-based security.

Key Responsibilities:

  • Review Front Door and Jira documentation submitted to and created by team 10%
  • Analyze data feeds and provide feedback to the data ingest team regarding feed readiness. Document and capture feed information as part of feed onboarding process 10%
  • Working with analysts (and other SMEs) as well as Focus Area Leads based on Work Plan, research threat scenarios determine data sets required, develop algorithms for threat detection. 50%
  • Testing and onboarding alarms via team’s processes. This includes micro-playbook development and other SOAR related activities. 20%
  • Grow knowledge of Cybersecurity. Team processes, and Systems. 10%

Required/Desired Qualifications:

  • Experience in Data Analysis, applied Machine Learning, AI, and Detection Engineering.
  • Proficiency in Python, SQL, Splunk, and Kusto (or similar query languages).
  • Ability to learn new technologies and concepts quickly; self-motivated and resourceful.
  • Programming skills in Python, and Java.
  • Knowledge of database systems; experience with CRIBL, Palo Alto XSIAM desired.
  • Splunk, Apache Spark/Databricks.
  • Strong communication and documentation skills.
  • Background in Computer Science, Data Science, or Engineering with cybersecurity familiarity.
  • 3+ years professional experience.

Supervisor:

No

Our Senior Cybersecurity earns between $116,700-$175,100 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:

Charlotte, North Carolina

Salary Range:

$116,700.00 - $175,100.00

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-91682 Date posted 01/30/2026
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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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