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Verizon Communications

Runs wireless and fiber networks across the US

Principal Red Team Operator

Offensive Security & TestingUpdated on Nov 3
Full-time$120.5k - $231k

About the Job

Requirements

  • A bachelor's degree or four or more years of work experience.
  • Six or more years of relevant work experience.
  • Strong understanding of 4G/5G core network architecture and supporting systems.

Responsibilities

  • Conduct red team exercises that emulate realistic threats targeting telecommunications-specific systems, including wireline/wireless network infrastructure and supporting systems.
  • Identify, exploit, and report vulnerabilities in critical telecommunications systems and infrastructure.
  • Deliver comprehensive technical reports and executive summaries outlining findings, exploit paths, and remediation recommendations.
  • Work closely with the blue team to develop detection and prevention strategies informed by red team exercises.
  • Stay updated on the latest attack techniques, tactics, and procedures relevant to the telecommunications industry.
  • Provide insights to enhance the organization’s security posture through collaboration with peers in security and operations.

Desired Qualifications

  • A degree in engineering, cybersecurity, or computer science.
  • Strong understanding of 4G/5G protocols and interfaces, including GTP, Diameter, SS7, S1-MME, S1-U, S11, and HTTP/2 Service-Based Architecture.
  • Knowledge of 3GPP standards relevant to EPC, 4GCore, 5GSA, 5GCore, 5G/LTE radio access, VoLTE, and VoNR.
  • Foundational knowledge of enterprise networking technologies and protocols, including routers, switches, VPNs, load balancers, TCP/IP, internet numbering (IP, ASN, CIDR), and subnetting.
  • Strong Linux skills.
  • Strong coding and scripting skills in Python, Bash, PowerShell, or similar, and ability to vet exploit code to understand its behavior.
  • Knowledge of network architecture and cloud environments such as Kubernetes, OpenStack, and OpenShift.
  • Ability to think like an attacker and devise innovative attack scenarios targeting telecommunications environments.
  • Strong communication and teamwork skills, with ability to interact effectively with technical and non-technical stakeholders.
  • Certifications such as OSCP, OSCE, OSEP, or GIAC certifications such as GPEN, GXPN, or GWAPT.
  • Familiarity with security challenges in running internet-scale networks, wireless core components, cloud, and edge computing.

About the Company

Verizon Communications

Runs wireless and fiber networks across the US

Verizon runs one of the largest wireless and fiber networks in the United States, selling mobile and home internet service to consumers, businesses and government agencies. Its consumer arm sells phone plans along with Fios and Frontier fiber internet and 5G home internet, which beams broadband to homes over its cellular network. Verizon Business sells mobile, networking and security services to companies of every size, including nearly all of the Fortune 500. Most revenue comes from monthly service plans, with more from device sales and installment payments. Verizon was incorporated in 1983 as Bell Atlantic, took the Verizon name in 2000, and is headquartered in New York City.

Company size
10,001+
Company stage
IPO
Headquarters
New York, NY
Founded
1983

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