Lead Cybersecurity - SIEM jobs in United States
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AT&T · 2 days ago

Lead Cybersecurity - SIEM

AT&T is a leading telecommunications company that focuses on safeguarding its digital assets through innovative cybersecurity measures. The Lead Cybersecurity role involves managing SIEM operations, analyzing data feeds, and developing advanced AI/ML use cases to detect and analyze threats across various environments.

CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
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H1B Sponsor Likelynote

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%)

Qualification

SIEM managementData pipeliningPythonSQLXQLAI/ML developmentJupyter NotebooksData analysisJuliaLangCybersecurity familiarityCommunication skillsDocumentation skills

Required

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
Bachelor's degree (BS/BA) desired in Computer Science or Cybersecurity

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.

Company

AT&T is a telecommunications company that provides wireless communications, internet and digital television services.

H1B Sponsorship

AT&T has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)

Funding

Current Stage
Public Company
Total Funding
$5.04B
Key Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M

Leadership Team

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Jeremy Legg
Chief Technology Officer
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Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
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Company data provided by crunchbase