Senior Network Security Engineer

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.

Key Responsibilities:

• Identifying technology gaps to lead in the design, architecture, and implementation of appropriate security solutions.

• Creating formal guidelines, policies, and procedures to ensure smooth and error-free operations.

• Implementing strategic solutions in a highly scalable environment.

• Partner across the Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes

• Working independently on strategic technical challenges.

• Identifying opportunities to mentor junior engineers, guide, and delegate technical documentation/tasks to support the team and broader organization.

• Communicating clearly and effectively, articulating complex technical concepts to diverse internal and external audiences.

• Lead network security incident response activities including triage, containment, eradication, and recovery for disruptive threats

• Build and refine incident playbooks and response runbooks, ensuring repeatable workflows for high-impact scenarios (ransomware, phishing, insider threat, DDoS, etc)

• Serve as escalation support for security related investigations, providing expert-level analysis and guidance during active incidents

• Execute root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations

• Conduct proactive threat hunting across the identity, endpoint, network telemetry to uncover adversary behavior and reduce dwell time

• Create and tune threat detections using SIEM (Security Information and Event Management) 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

What we’re looking for...

You must have…

• Bachelor’s degree or four or more years of relevant work experience demonstrated through one or a combination of work and/or military experience, or specialized training.

• Familiarity with Identity and Access Management (IAM) solutions.

• Strong foundational knowledge of incident response lifecycles (NIST or SANS) with experience designing, testing, and maintaining automation playbooks using SOAR platforms to automate triage and response actions.

• Expert-level ability to write complex, optimized SPL (Splunk Search Language) searches, including macros, data models, and lookups for efficient threat hunting and investigation.

• In-depth experience with risk-based alerting, managing notable events, asset/identity correlation, and defining/tuning correlation searches.

• Experience in developing, testing, and maintaining automation playbooks using Python/API integrations and Splunk SOAR (Security Orchestration, Automation, and Response) to automate triage and response actions.

Even better if you also have…

• Certifications such as CCSP, CySA+, GSOC, GCDA, Cisco Certified CyberOps or equivalent SIEM/SOC certifications

• Experience with networking (especially Internet-related protocols), and network and information security. Networking certifications such as Palo Alto PCNSE, Cisco CCNP, or CCNA.

• Strong working knowledge of incident response frameworks and methodologies like NIST 800-61 and MITRE ATT&CK

• Experience with big-data analytical tools, such as Elasticsearch, for automating security deployments and compliance checks.

• Ability to run & interpret network scans using tools such as Tenable Nessus, Qualys, Rapid7 InsightVM, or OpenVAS. Ability to interpret CVSS scores and prioritize risk.

• Four or more years of hands-on experience working with internet-scale data sets such as Netflow, BGP, DNS, and IDS logs.

• Knowledge and experience in one or more of statistics, data visualization, anomaly detection, machine learning, and system administration.

• Knowledge of network-based, system-level, and application-layer attacks and mitigation methods.

• Experience with a variety of leading SQL and NoSQL technologies, UNIX or Linux systems engineering expertise with a variety of variants, and security tools including Firewalls, VPNs, IDS/IPS, DDoS mitigation, and encryption for data in transit (e.g., IPsec, or TLS) and at rest.

If Verizon and this role sound like a fit for you, we encourage you to apply even if you don’t meet every “even better” qualification listed above.

Where you’ll be working

In this hybrid role, you'll have a defined work location that includes working from home and a minimum of three days per week in the office, which will be set by your manager. Employees are responsible for maintaining compliance with hybrid work policies.

Scheduled Weekly Hours

40

Equal Employment Opportunity

Verizon is an equal opportunity employer. We evaluate qualified applicants without regard to veteran status, disability or other legally protected characteristics.

Benefits and Compensation

Our benefits are designed to help you move forward in your career, and in areas of your life outside of Verizon. From health and wellness benefit options including: medical, dental, vision, short and long term disability, basic life insurance, supplemental life insurance, AD&D insurance, identity theft protection, pet insurance and group home & auto insurance. We also offer a matched 401(k) savings plan, up to 8 company paid holidays per year and up to 6 personal days per year, paid parental leave, adoption assistance and tuition assistance, plus other incentives, we’ve got you covered with our award-winning total rewards package. Depending on the role, employees have the opportunity to receive compensation in the form of premium pay such as overtime, shift differential, holiday pay, allowances, etc. Newly hired employees receive up to 15 days of vacation per year, which grows with additional service. For part-timers, your coverage will vary as you may be eligible for some of these benefits depending on your individual circumstances.

The salary will vary depending on your location and confirmed job-related skills and experience. This is an incentive based position with the potential to earn more. For part-time roles, your compensation will be adjusted to reflect your hours.

The annual salary range for the location(s) listed on this job requisition based on a full-time schedule is: $101,000.00 - $194,000.00.

The annual salary range for the Illinois location(s) listed on this job requisition based on a full-time schedule is: $111,500.00 - $194,000.00.