Principal Network Security Defense Engineer

Company: Verizon
Location: Southlake
Posted on: July 4, 2025

Job Description:

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 Principal Engineer to join the Security Defense organization. The Defense teams are responsible for owning the security lifecycle and effectiveness across the Core, Edge, and Access networks and all of the systems and network functions within GN&T. In this role, you will be expected to work across organizations and with network vendors to improve the security hygiene by implementing the Network Security Fundamentals (Access Management, Situational Awareness, Configuration Hardening, Vulnerability Mitigation). You will be accountable for the network security scorecard and responsible for safeguarding your respective network/network functions through continuous monitoring and proactive threat detections. *Key Responsibilities: * Building healthy relationships across the Operations, Engineering, and Planning organizations to better understand the current and future landscape of the network. Discovering, identifying, and conducting inventory of all network assets and asset information (model, version, etc.) in your respective area of responsibility. Building a deep understanding of the network assets and the roadmap to quickly assess the impact of vulnerabilities and identify End-of-Life/End-of-Support hardware/software. Developing a baseline of normal operations and implementing threat detections to alert of deviations to proactively identify potential cyber threats. Developing incident response protocols to quickly identify, contain, and resolve network security incidents and threats. Understanding the current state of cybersecurity and improving the security posture through the implementation of the Network Security Fundamentals (Access Management, Situational Awareness, Configuration Hardening, Vulnerability Mitigation). Ownership and accountability for the network security scorecard and drive increased maturity, visibility, and subject-matter expertise. Ensuring that the security controls planned for the Networks are operating effectively. *What we’re looking for… * *You'll need to have: * Bachelor’s degree or four or more years of relevant work experience. Six or more years of relevant work experience, demonstrated through one or a combination of work and/or military experience, or specialized training. Experience with networks, 4G/5G wireless network functions or virtualization technologies like Openstack and Kubernetes. Strong leadership and mentoring abilities, with experience guiding and developing teams. *Even better if you have: * Ability to work with diverse stakeholders including highly technical teams, business owners, and executives. Proven track record of managing and delivering results. Leadership experience as a subject matter expert. Experience with Splunk or other data analysis tools. Experience with HSS (for Home Subscriber Server), the Home Location Register (HLR), and other applications as part of the Subscriber Database Management (SDM) Network Security certifications such as CISSP. Familiarity with Identity and Access Management (IAM) solutions. Demonstrated organization and project management skills. Knowledge of technical product and systems development lifecycle within a large global enterprise environment. Effective written, interpersonal, and verbal 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. Where you’ll be working In this hybrid role, you'll have a defined work location that includes work from home and a minimum eight assigned office days per month that will be set by your manager. 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, stock incentive programs, up to 8 company paid holidays per year and up to 6 personal days per year, 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: $120,500.00 - $231,000.00.

Keywords: Verizon, Carrollton , Principal Network Security Defense Engineer, IT / Software / Systems , Southlake, Texas