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Eng III, Network Security Engineer at Verizon in Southlake, TX
Skills
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 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:
Support the identification of technology gaps in the design, architecture, and implementation of appropriate security solutions.
Maintain formal guidelines, policies, and procedures to ensure smooth and error-free operations.
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
Support network security incident response activities, including triage, containment, eradication, and recovery for disruptive threats
Maintain and refine incident playbooks and response runbooks, ensuring repeatable workflows for high-impact scenarios (ransomware, phishing, insider threat, DDoS, etc.)
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
Familiar with 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
Communicate clearly and effectively, articulate complex technical concepts to diverse internal and external audiences.
Where you'll be working...
In this hybrid role, you'll have a defined work location that includes work from home and assigned office days in one of the offices listed for this position. In order to be eligible to apply for this position, you must be within commuting distance of one of those locations.
What we’re looking for...
You must have…
Bachelor’s degree or 3 or more years of relevant work experience, demonstrated through one or a combination of work and/or military experience, or specialized training.
Experience with Splunk SPL (Search Processing Language) searches, including macros, data models, and lookups for efficient threat hunting and investigation.
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. Effective written, interpersonal, and verbal communication skills.
Even better if you also have…
Security certifications such as CompTIA Security+, CISSP, CCIP, CISM, CCSP, OSCP (Offensive Security Certified Professional), Ethical Hacking (CEH, OSCP)
Experience with network protocols and information security with networking certifications such as PCNSE, CCNP or CCNA.
Experience with Identity and Access Management (IAM) solutions
Strong working knowledge of incident response frameworks and methodologies like NIST and MITRE ATT&CK on network-based, system-level, and application-layer attacks and mitigation methods.
Experience with scripting languages like Python and/or automation tools like Ansible.
Experience with big-data analytical tools, such as Elasticsearch, for automating security deployments and compliance checks.
Why Verizon?
Verizon is committed to maintaining a Total Rewards package which is competitive, valued by our employees, and differentiates us as an Employer of Choice.
We are a ‘pay for performance’ company and your contribution is rewarded through competitive salaries and performance-based incentives. We create an opportunity for us all to share in the success of Verizon and the value we help to create through this broad-based discretionary equity award program.
Your benefits are market competitive and delivered by some of the best providers.
You are provided with a full spectrum of health and wellbeing resources, including a first in-class Employee Assistance Program, to empower you to make positive health decisions.
We offer generous paid time off benefits to help you manage your work life balance and opportunities for flexible working arrangements*.
Verizon provides training and development for all levels, to help you enhance your skills and develop your career, from funding towards education assistance, award-winning training, online development tools and access to industry research.
You will be able to take part in volunteering opportunities as part of our environmental, community and sustainability commitment.
Your benefits package will vary depending on the country in which you work.
*subject to business approval
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
Scheduled Weekly Hours
40Equal 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: $81,000.00 - $155,000.00.The annual salary range for the Illinois location(s) listed on this job requisition based on a full-time schedule is: $89,000.00 - $155,000.00.