Lead Cybersecurity - SIEM
About The Position
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, enforces accountability, and masters 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. Position Overview The Lead Cybersecurity role requires strong technical knowledge in cyber operations, SIEM management and development and Data Pipelining , and a passion for advancing expertise. You will work independently on assigned tasks while collaborating closely with Leads and analysts to review and document data feeds, research threat scenarios, and develop scripts, dashboards, and reports to detect and analyze threats across the enterprise. This role supports SaaS, network infrastructure security, and both on-prem and cloud-based environments.
Requirements
- Ability to be proficient in self-starting advanced tasks.
- Experience in data analysis, applied machine learning, AI, and SIEM management/development
- Proficiency in Python, SQL, and XQL for query development
- Ability to learn new technologies and concepts quickly; self-motivated and resourceful
- Programming skills in Python and JuliaLang
- Experience with data onboarding processes and pipeline optimization
- Familiarity with Jupyter Notebooks for AI/ML development and experimentation
- Strong communication and documentation skills
- Background in Computer Science, Data Science, or Engineering with cybersecurity familiarity
- 5+ years of related professional experience
Responsibilities
- Review Front Door and Jira documentation submitted to and created by the team (10%)
- Analyze and onboard data feeds; provide feedback to the data ingest team regarding feed readiness and document feed information during onboarding (30%)
- Collaborate with analysts and SMEs to research threat scenarios and determine required data sets for detection (30%)
- Assist in testing and onboarding of detections.
- Develop advanced AI/ML use cases leveraging notebooks and python.
- Continuously grow knowledge of cybersecurity, team processes, and systems (10%)
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.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
5,001-10,000 employees
