Eng Iii, Network Security Engineer

Verizon Verizon · Telecom · Southlake, TX +7

This role is for a Cybersecurity Engineer focused on network security within Verizon's GN&T team. Responsibilities include real-time threat monitoring using SIEM tools, leading incident response, managing vulnerability management, defining security architecture (firewalls, encryption, IAM, MFA), and advanced threat hunting. The role requires expertise in Splunk SPL, incident response lifecycles, automation playbooks, risk-based alerting, and strong analytical and communication skills. Experience with network protocols, IAM solutions, scripting languages (Python), and big-data analytical tools is preferred.

What you'd actually do

  1. Support the identification of technology gaps in the design, architecture, and implementation of appropriate security solutions.
  2. Create and tune threat detections using SIEM (Security Information and Event Management) to improve alert fidelity and reduce false positives
  3. Support network security incident response activities, including triage, containment, eradication, and recovery for disruptive threats
  4. Explore proactive threat hunting across the identity, endpoint,and network telemetry to uncover adversary behavior and reduce dwell time
  5. Perform regular security control assessments, validating configuration effectiveness and closing gaps discovered during incidents or hunts

Skills

Required

  • Splunk SPL
  • Incident Response Lifecycles (NIST or SANS)
  • Automation Playbooks (SOAR)
  • Risk-based Alerting
  • Analytical Skills
  • Communication Skills

Nice to have

  • Security Certifications (CompTIA Security+, CISSP, CCIP, CISM, CCSP, OSCP, CEH)
  • Network Protocols
  • Networking Certifications (PCNSE, CCNP, CCNA)
  • Identity and Access Management (IAM)
  • MITRE ATT&CK Framework
  • Python Scripting
  • Ansible
  • Big-data analytical tools (Elasticsearch)

What the JD emphasized

  • Splunk SPL (Search Processing Language) searches
  • incident response lifecycles
  • automation playbooks
  • risk-based alerting
  • network telemetry