AT&T · 9 hours ago
Principal Cybersecurity - Endpoint Security
Charlotte, North Carolina
Full-time
Onsite
Senior Level, Lead/Staff
$155K/yr - $233K/yr
5+ years expAT&T is a leading communications and technology company, seeking a highly skilled Endpoint Security Engineer to join their Cybersecurity team. This role focuses on the deployment and management of endpoint security solutions, ensuring the security and performance of a large global enterprise environment.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Responsibilities
Lead the deployment, configuration, and tuning of Tanium modules, including Asset, Comply, Deploy, Threat Response, and Reveal, ensuring high availability and performance across a large global fleet
Build and maintain integrations between Tanium and other enterprise security tools to improve automation, inventory, vulnerability identification, and threat response
Deploy and manage endpoint security agents for tools such as Endpoint Detection and Response (EDR), Remote Access VPN, and Data Loss Prevention (DLP)
Partner with SOC and threat intelligence teams to implement detection and response logic leveraging Tanium sensors and queries
Automate endpoint provisioning, patching, and configuration compliance using Tanium scripting and APIs, as well as PowerShell and Python for custom workflows
Conduct root cause analysis for endpoint performance telemetry issues and drive remediations through coordinated change management processes
Maintain detailed runbooks, operational playbooks, and endpoint security baselines for global deployment consistency
Function as the subject matter expert for Tanium and other endpoint security tools during security incidents, audits, and compliance initiatives
Qualification
Required
A Bachelor's degree in Information Systems, Engineering, or Cybersecurity
5+ years in endpoint security or endpoint systems engineering within large enterprise environments
Proven direct experience with Tanium in enterprise deployment, custom sensor creation, patch management, and compliance reporting
Strong background with endpoint security agent technologies such as EDR, DLP, VPN
Experience managing endpoint agents at scale using SCCM, Intune, JAMF, and other automation technologies
Deep understanding of Windows, MacOS, and Linux endpoint configurations, security controls, and hardening techniques
Solid scripting skills in PowerShell, Python, or Bash for endpoint automation
Ability to work with distributed, cross-functional teams on security tool deployment and integration projects
Excellent communication skills including metrics/performance documentation/presentation, technical drawing/architecture origination, and modification
Ability to operate well under pressure and urgent circumstances
Self-reliant and diligent in follow-through for assigned tasks
Preferred
Tanium Certified Operator or Administrator
Experience managing endpoints with more than 50,000 devices
Security certifications such as CISSP, GIAC, or equivalent
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
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
10001+ employees
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 CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Jeremy Legg
Chief Technology Officer
Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
Recent News
Dallas Morning News
2026-01-12
2026-01-11
Bizjournals.com Feed (2025-11-12 15:43:17)
2026-01-11
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