Engineer III, Security Engineer

Verizon•Alpharetta, GA

6d•$81,000 - $155,000•Hybrid

About The Position

The GN&T Network Security team is looking for a highly motivated and experienced 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. This role is on the Management Network Defense team. At Verizon, network security ensures the reliability of global communications. You will defend against some of the most sophisticated state-sponsored and criminal actors in the world.

Requirements

Bachelor’s degree or three or more years of relevant work experience in network security or a related field.
Deep understanding of network fundamentals (TCP/IP, DNS), the OSI model and protocols associated with each layer 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.
Experience supporting, configuring and troubleshooting network equipment from major telecommunications vendors such as Cisco, F5, Arista, Juniper, or Palo Alto.
Experience with scripting languages like Python, Powershell, Perl, and/or automation tools in a network environment.
Demonstrated organization and project management skills including proactive ownership of network investigations with a proven track record of effective collaboration with peer engineers to resolve complex network issues or network security incidents.
Effective written and verbal communication skills for cross-functional collaboration.
Willingness to hold a flexible schedule as required to meet the security needs of the business, including possibility of working maintenance windows as needed for network change management.

Nice To Haves

Advanced Splunk Skills: Ability to write complex, optimized SPL (Splunk Search Language), including data models, lookups, and dashboards for threat analysis.
AI Tooling: Experience utilizing Claude Code or other AI tools for script and configuration authoring.
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: Fluency in security frameworks, particularly the application of CIS Benchmarks (Level 1 & 2 hardening) and mitigating MITRE ATT&CK Tactics, Techniques, and Procedures (TTPs) on network devices.
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.
Security Tooling: Experience effectively utilizing EDR (Endpoint Detection & Response) tools such as CrowdStrike or threat investigation tools such as NETSCOUT OCI (Omnis Cyber Intelligence).

Responsibilities

Drive the identification of security gaps and lead the design, architecture, and implementation of appropriate security solutions.
Partner across Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes.
Work with lead engineers on strategic security technical challenges and complex investigations.
Perform regular security control assessments to validate configuration effectiveness and close gaps discovered during active hunts.
Articulate complex technical concepts clearly to diverse internal and external audiences.
Develop essential technical documentation, including playbooks, Confluence pages, Network diagrams, and Method of Procedures (MOPs).