Engineer II, Security Engineer

Verizon • Southlake, TX

2d • $72,000 - $129,000 • Hybrid

About The Position

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. 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. 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. Assisting network security incident response activities including triage, containment, eradication, and recovery for disruptive threats Assisting with building and refining incident playbooks and response runbooks, ensuring repeatable workflows for high-impact scenarios (ransomware, phishing, insider threat, DDoS, etc) Serving as escalation support for security related investigations, providing expert-level analysis and guidance during active incidents Executing root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations Conducting proactive threat hunting across the identity, endpoint, network telemetry to uncover adversary behavior and reduce dwell time Creating and tune threat detections using SIEM (Security Information and Event Management) to improve alert fidelity and reduce false positives Driving continuous improvement of network visibility and telemetry collection to strengthen detection and response capabilities Performing regular security control assessments validating configuration effectiveness and closing gaps discovered during incidents or hunts

Requirements

• Bachelor’s degree or Four or more years of relevant work experience.
• Two 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.
• Strong 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.
• Expert in conflict resolution and negotiation to ensure that design, strategy, and decisions consistently support security requirements.

Nice To Haves

• 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.

Responsibilities

• Assisting network security incident response activities including triage, containment, eradication, and recovery for disruptive threats
• Assisting with building and refining incident playbooks and response runbooks, ensuring repeatable workflows for high-impact scenarios (ransomware, phishing, insider threat, DDoS, etc)
• Serving as escalation support for security related investigations, providing expert-level analysis and guidance during active incidents
• Executing root cause analysis and produce clear incident reports outlining timeline, impact, evidence, and remediation recommendations
• Conducting proactive threat hunting across the identity, endpoint, network telemetry to uncover adversary behavior and reduce dwell time
• Creating and tune threat detections using SIEM (Security Information and Event Management) to improve alert fidelity and reduce false positives
• Driving continuous improvement of network visibility and telemetry collection to strengthen detection and response capabilities
• Performing regular security control assessments validating configuration effectiveness and closing gaps discovered during incidents or hunts

Benefits

• 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
• 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
• tuition assistance
• incentives
• 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