Director Cybersecurity - Wireline Network Security jobs in United States
info-icon
This job has closed.
company-logo

AT&T · 2 months ago

Director Cybersecurity - Wireline Network Security

AT&T is a leading telecommunications company that focuses on safeguarding its assets through advanced cybersecurity measures. The Director of Network Security will manage large-scale networks, implement security controls, and enhance the security posture of AT&T’s network infrastructure.

CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
check
H1B Sponsor Likelynote

Responsibilities

Network security architecture – build and enhance secure designs around network features Lawful intercept, Packet visibility, TACACS (AAA)
NIST Cyber pillars – perform security assessments. Work on architecture standards with labs and standards bodies
Expertise in Appliance hardening, Network element hardening and supply chain security
Proficient in Cybersecurity policy and standards
Measure risks and introduce robust controls for telecom wireline/wireless networks
Performs research on network vulnerabilities using PEN testing, adversarial exercises to pro-actively determine security flaws (PSIRTs) on various network equipment from vendors such as: Nokia, Ericsson, Cisco and Juniper
Works with Incident response org to help triage threat actor activities on network devices by evaluating logs syslogs, forensics, TACACS logs, packet meta-data analysis etc
Drives a comprehensive program to harden AT&T’s OAM and NOC networks from a security perspective, implementing and measuring efficacy of various security controls

Qualification

Cybersecurity knowledgeNetwork security architecturePenetration testingIncident managementNetwork segmentationVulnerability managementLinux proficiencySoft skills

Required

12+ years of progressive experience in cybersecurity and network security
Experience managing outcomes from red teaming and penetration tests
Experience in security design, incident management, cyber investigations, vulnerability remediation, red team exercises, network segmentation and AAA
Experience with large scale packet networks and advanced router functions
Knowledge of network security principles including control plane, data plane and element security
Familiarity with IP standards and protocols
Experience with oversight of technical discussions/negotiations with vendors
Experience working with development teams and providing guidance for lab proof of concept work and testing teams
High level knowledge of Linux
Experience with network elements such as Juniper router, Cisco routers, Palo Alto Firewall, SRX Firewall, Network Security, Access control lists, BGP route controls and router protection techniques
Master's degree (MS/MA) in Computer Science or Cybersecurity
10+ years of related experience

Preferred

Familiarity with international networking regulation, license arrangements and unique arrangements
Managing deliverables tied to Network and test automation

Benefits

Medical/Dental/Vision coverage
401(k) plan
Longterm Grants and Deferred Compensation
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 28 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

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