Network Security Engineer Routing and Switching

About the position When you join Verizon You want more out of a career. A place to share your ideas freely — even if they’re daring or different. Where the true you can learn, grow, and thrive. At Verizon, we power and empower how people live, work and play by connecting them to what brings them joy. We do what we love — driving innovation, creativity, and impact in the world. Our V Team is a community of people who anticipate, lead, and believe that listening is where learning begins. In crisis and in celebration, we come together — lifting our communities and building trust in how we show up, everywhere & always. Want in? Join the #VTeamLife. What you’ll be doing... The GN&T Network Security team is looking for a highly motivated and experienced Cybersecurity Engineer to join the Network Security Defense team. The Defense teams are responsible for owning the security lifecycle and effectiveness across the Core, Edge, and Access networks, as well as all systems and network functions within GN&T. In this role, you will be critical in advancing our security posture through real-time Threat Monitoring & Detection using SIEM tools like Splunk, leading Incident Response efforts during a breach, and managing the continuous Vulnerability Management lifecycle across networks and applications. The position also requires expertise in defining and implementing robust Security Architecture, including firewalls, encryption, centralized Identity and Access Management, and Multi-Factor Authentication (MFA). A strong candidate will also possess advanced Threat Hunting skills, including Advanced Networking & Protocol Analysis, Endpoint & Memory Forensics, Data Science & Querying, and demonstrable experience in Automation & Scripting to enhance our Cybersecurity tooling. Candidates are expected to possess requisite expertise encompassing the design and deployment of comprehensive security architectures, including firewalls, encryption, Identity and Access Management (IAM), and Multi-Factor Authentication (MFA). This expertise extends to the securing and hardening of management networks, particularly those utilized for telemetry. Furthermore, a strong foundation in network fundamentals (TCP/IP, DNS, flow data) is essential for effective discernment of malicious traffic. Responsibilities include managing security projects aimed at vulnerability remediation in collaboration with engineering teams, as well as the development and meticulous refinement of threat detection capabilities within Security Information and Event Management (SIEM) platforms, such as Splunk.

Responsibilities

• Support Security Improvements : Support the identification of security gaps and lead the design, architecture, and implementation of appropriate security solutions.
• Collaborative Design: Partner across Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes.
• Strategic Problem Solving: Work with lead engineers on strategic security technical challenges and complex investigations.
• Incident Analysis: Provide expert analysis during active incidents, support root cause analysis, and produce clear reports outlining timelines, impact, and remediation.
• Security Assessments: Perform regular security control assessments to validate configuration effectiveness and close gaps discovered during active hunts.
• Technical Communication: Articulate complex technical concepts clearly to diverse internal and external audiences.

Requirements

• Bachelor’s degree or three or more years of relevant work experience in network security or a related field.
• Demonstrated organization and project management skills with a proven track record of delivering results.
• Ability to write complex, optimized SPL (Splunk Search Language), including data models, lookups, and dashboards for threat analysis.
• Effective written and verbal communication skills for cross-functional collaboration.
• Deep understanding of network fundamentals (TCP/IP, DNS) and advanced knowledge of router operations, including: Distinction between Control Plane, Data Plane, and Management Plane security.
• Knowledge of routing protocols (BGP, OSPF, IS-IS) and how to protect them from hijacking or manipulation.
• Experience analyzing NetFlow/IPFIX data to distinguish between legitimate traffic and malicious patterns.

Nice-to-haves

• Certifications: Security (CISSP, CISM, OSCP, Security+) or Networking (PCNSE, CCNP, CCNA).
• Internet-Scale Data: Hands-on experience with Netflow, BGP, DNS, and IDS logs at scale.
• Incident Frameworks: Knowledge of NIST 800-61 and MITRE ATT&CK methodologies.
• Advanced Analytics: Experience with risk-based alerting, asset/identity correlation, and big data tools like Elasticsearch.
• System Engineering: Unix or Linux expertise and experience with encryption (IPsec, TLS) and DDoS mitigation.

Benefits

• Verizon is committed to maintaining a Total Rewards package which is competitive, val

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