Senior Cybersecurity – SIEM

AT&T

Senior Cybersecurity position focused on AI-driven threat detection at AT&T. Collaborating with leads and analysts to develop algorithms for threat detection and analyze threats against the Enterprise.

Posted 6/2/2026full-timeCharlotte • New Jersey, North Carolina, Texas, Washington • 🇺🇸 United StatesSenior💰 $116,700 - $175,100 per yearWebsite

Tech Stack

Tools & technologies

ApacheCyber SecurityJavaPythonSparkSplunkSQL

About the role

Key responsibilities & impact

Review Front Door and Jira documentation submitted to and created by team
Lead the advancement of AI-driven threat detection by defining, developing, and operationalizing algorithms that scale across enterprise telemetry, meet detection quality standards, and integrate with Cyber Operations workflows
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
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
Testing and onboarding alarms via team’s processes. This includes micro-playbook development and other SOAR related activities
Grow knowledge of Cybersecurity. Team processes, and Systems

Requirements

What you’ll need

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.
Familiarity with applying Artificial Intelligence (AI) or Machine Learning (ML) techniques in cybersecurity contexts (e.g., anomaly detection, threat hunting, behavioral analytics, or risk scoring).

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

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Data AnalysisMachine LearningAIDetection EngineeringPythonSQLKustoJavaCybersecurityAlgorithms

Soft Skills

CommunicationDocumentationSelf-motivatedResourcefulAbility to learn quickly