Network Security Senior Engineer

Position Overview

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. Join the #VTeamLife.
The Global Network & Technology - Network Security team is seeking a highly motivated and experienced Cybersecurity Engineer to join the Network Security Defense team. This is your chance to command and execute the complete security lifecycle for our mission-critical network assets.

Key Responsibilities:

• Identify technology gaps to lead the design, architecture, and implementation of appropriate security solutions.
• Partner across Operations, Engineering, and Planning to ensure secure design patterns are embedded into new deployments and major changes.
• Work independently on multiple technical initiatives while effectively communicating complex technical concepts to diverse audiences.
• Serve as escalation support for security-related investigations, providing expert-level analysis and guidance during active incidents.
• Act as the security lead in network design reviews to ensure that network assets meet stringent carrier-grade security standards.
• Execute root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations.
• Conduct proactive threat hunting across identity, endpoint, and network telemetry to uncover adversary behavior and reduce dwell time.
• Create and tune threat detections using SIEM to improve alert fidelity and reduce false positives.
• Drive continuous improvement of network visibility and telemetry collection to strengthen detection and response capabilities.
• Perform regular security control assessments, validating configuration effectiveness and closing gaps discovered during incidents or hunts.

Required Qualifications:

• Bachelor’s degree or four or more years of relevant work experience (or a combination of work/military experience or specialized training).
• Familiarity with Identity and Access Management (IAM) solutions.
• Strong working knowledge of incident response frameworks and methodologies such as NIST 800-61 and MITRE ATT&CK.
• Expert-level ability to write complex, optimized SPL (Splunk Search Language) searches, including macros, data models, and lookups for efficient threat hunting and investigation.
• Experience in developing, testing, and maintaining automation playbooks using Python/API integrations and Splunk SOAR to automate triage and response actions.

Preferred Qualifications:

• Security and Networking Certifications/Knowledge, such as CompTIA Security+, CCSP, CISSP, OSCP, Palo Alto PCNSE, Cisco CCNP/CCNA, Ciena CRS, or Juniper JNCIE.
• Experience with core network and systems, including familiarity with Internet protocols, UNIX/Linux systems, and knowledge of network-based, system-level, and application-layer attacks.
• Expertise in Vulnerability Management and Scanning with tools like Tenable Nessus, Qualys, Rapid7 InsightVM, or OpenVAS, as well as the ability to interpret CVSS scores and prioritize risks.
• Experience with security appliances and encryption technologies, including firewalls, VPNs, IDS/IPS, DDoS mitigation, and encryption protocols (e.g., IPsec, TLS).
• Hands-on experience with data analysis and advanced analytics using internet-scale data sets (such as Netflow, BGP, DNS, IDS logs) and familiarity with statistical methods, data visualization, anomaly detection, and big data tools like Elasticsearch and SQL/NoSQL.

Benefits & Perks:

• Benefits: Comprehensive health and wellness options including medical, dental, vision, and various insurance plans (short/long term disability, life, AD&D, identity theft, pet, group home & auto).
• Matched 401(k) savings plan.
• Up to 8 company paid holidays and up to 6 personal days per year, along with paid parental leave, adoption assistance, and tuition assistance.
• For full-time employees, newly hired team members receive up to 15 days of vacation per year (increasing with additional service).
• Salary: $101,000.00 - $194,000.00 per year based on location and job-related skills and experience.
• Schedule: 40 hours per week, with a hybrid work model that requires a minimum of 3 days per week in the office as determined by your manager.
• Location: Hybrid – combination of work from home and office-based work.
• This is an incentive-based position with the potential to earn more through premium pay such as overtime, shift differential, holiday pay, and allowances.