Senior Network Security Defense Engineer

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 Senior Network Security Defense Engineer to join the 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 Verizon Global Network and Technology.

You'll be finding the right technology to help ensure our Verizon's critical network systems are secure and spot risks before they become real threats. But you'll be doing more than just providing cyber security-you'll help Verizon prepare for the unexpected, defend its systems, and protect the business, brand, and bottom line.

• Evaluating network function architecture to identify security risks.

• Designing solutions to mitigate risk, close security gaps, and reduce vulnerability.

• Supporting configuration analysis and providing detailed guidance for implementing security controls on virtual and containerized network functions.

• Implementing controls for the Security Fundamentals of Access Management, Situational Awareness, Configuration Hardening, and Vulnerability Mitigation.

• Ensuring that the security controls planned for the networks are operating effectively and meeting baseline standards.

• Performing detection engineering and threat hunting using Splunk, CrowdStrike, and other SIEM/security tools to do lookups, investigate threats, and design proactive alerts.

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

• Building and refining formal incident playbooks and response runbooks, ensuring repeatable workflows for high-impact scenarios.

• Executing root cause analysis and producing clear incident reports outlining the timeline, impact, evidence, and remediation recommendations

• Focusing on specific network functions, including IoT, SIM-OTA, CALEA, Wireless Messaging (SMS+MMS), Femto, Roaming, and Location Services.

***This role can be located in any US-based Verizon hub location.***

You're driven to pinpoint a problem and tenacious about finding a solution. You're organized and pay attention to details. You are the person that others rely on. You are accountable and follow through with a sense of urgency.

You'll need to have:

• Bachelor's degree or four or more years of work experience.

• Four or more years of relevant experience required, demonstrated through work experience and/or military experience.

• Experience in Linux or Unix command line.

• Strong OSI model and networking, especially TCP/IP and HTTPS.

• Expertise with Splunk SPL or similar SIEM query languages to perform detection engineering, threat hunting, and data analysis.

• Experience with Risk-Based Alerting: managing notable events, asset/identity correlation, and defining/tuning correlation searches.

• Experience with IAM solutions (e.g. LDAP, SAML, OIDC) and encryption (e.g., IPsec, TLS).

Even better if you have one or more of the following:

• A degree in engineering or computer science.

• CyberSecurity certification(s) (CISSP, etc).

• RHEL or other Linux hardening experience.

• Experience with security risk procedures, security patterns, authentication technologies, and security attack pathologies.

• Experience with security and incident response frameworks such as NIST and MITRE.

• Linux Incident response and/or basic forensics.

• Private (OpenStack, Kubernetes, etc) or public (AWS, etc) cloud experience.

• Scripting and automation skills (Python, Ansible, etc).

• Experience applying AI/ML or statistical analysis techniques to large security datasets.

• IMS, SIP, 5GC, SIM card activation, or other wireless telecom knowledge.

• Basic project management and organizational skills.

• Strong verbal and written communication skills.

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.

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

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.