Network Security Engineer II

Verizon • Southlake, TX

1d • $72,000 - $129,000 • Hybrid

About The Position

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. Maintain formal guidelines, policies, and procedures to ensure smooth and error-free operations. Support our partners across the Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes. Work with lead engineers on strategic technical challenges. Communicate clearly and effectively, articulate complex technical concepts to diverse internal and external audiences. Support network security incident response activities, including triage, containment, eradication, and recovery for disruptive threats. Serve as a support engineer for security-related investigations, providing analysis and input during active incidents. Support root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations. Explore proactive threat hunting across the identity, endpoint, and network telemetry to uncover adversary behavior and reduce dwell time. Conduct threat detections using SIEM (Security Information and Event Management) to improve alert fidelity and reduce false positives. Work on 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.

Requirements

• Bachelor’s degree or one or more years of relevant work experience.
• One or more years of relevant work experience, demonstrated through one or a combination of work and/or military experience, or specialized training.
• Knowledge of incident response lifecycles (NIST or SANS) and experience with automation playbooks using SOAR platforms to automate triage and response actions.
• Experience with risk-based alerting, managing notable events, asset/identity correlation, and defining/tuning correlation searches.
• Ability to work both independently and in collaboration with cross-functional teams.
• Strong analytical skills and attention to detail

Nice To Haves

• Security certifications such as CompTIA Security+, CISSP, CCIP, CISM, CCSP, OSCP (Offensive Security Certified Professional), Ethical Hacking (CEH, OSCP).
• Experience with Splunk SPL (Search Processing Language) searches, including macros, data models, and lookups for efficient threat hunting and investigation.
• Experience with Identity and Access Management (IAM) solutions.
• Ability to build consensus and a common understanding of security objectives, goals, and execution steps.
• Experience with network protocols and information security with networking certifications such as PCNSE, CCNP or CCNA.
• Experience with networks, 4G/5G wireless network functions or virtualization technologies like Openstack and Kubernetes.
• Experience with scripting languages like Python and/or automation tools like Ansible.
• Experience in UNIX or Linux systems engineering expertise with a variety of variants.
• Experience with encryption for data in transit (e.g., IPsec, or TLS) and at rest.
• Effective written, interpersonal, and verbal communication skills.

Responsibilities

• Maintain formal guidelines, policies, and procedures to ensure smooth and error-free operations.
• Support our partners across the Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes.
• Work with lead engineers on strategic technical challenges.
• Communicate clearly and effectively, articulate complex technical concepts to diverse internal and external audiences.
• Support network security incident response activities, including triage, containment, eradication, and recovery for disruptive threats.
• Serve as a support engineer for security-related investigations, providing analysis and input during active incidents.
• Support root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations.
• Explore proactive threat hunting across the identity, endpoint, and network telemetry to uncover adversary behavior and reduce dwell time.
• Conduct threat detections using SIEM (Security Information and Event Management) to improve alert fidelity and reduce false positives.
• Work on 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.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees