Network Security Administrator/Security Net V

The City of Virginia Beach is seeking a highly skilled Network Security Administrator to secure, monitor, and maintain the city’s enterprise network infrastructure. This role is responsible for safeguarding critical municipal systems, ensuring network reliability, and supporting cybersecurity operations that protect residents, employees, and city services.

The ideal candidate brings strong technical expertise in network security, thrives in a fast‑paced operational environment, and is committed to protecting public‑sector systems through proactive defense, monitoring, and continuous improvement.

Configure, manage, and maintain firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and security appliances.

Monitor network traffic for anomalies, threats, and performance issues.

Implement and enforce network security policies, access controls, and segmentation strategies.

Conduct vulnerability remediation, patching, and system hardening across network components.

Participate in incident detection, triage, containment, and remediation activities.

Investigate security alerts, logs, and events using SIEM and monitoring tools.

Collaborate with cybersecurity teams to analyze threats, assess risks, and implement mitigation strategies.

Maintain documentation for incidents, changes, and security configurations.

Support the design, deployment, and maintenance of switches, routers, wireless systems, and network services.

Troubleshoot complex network issues and coordinate resolution with internal teams and vendors.

Assist with network performance tuning, capacity planning, and lifecycle management.

Support disaster recovery, redundancy, and business continuity initiatives.

Ensure network security practices comply with city policies, state/federal regulations, and cybersecurity frameworks.

Maintain accurate documentation of network diagrams, configurations, and procedures.

Support audits, assessments, and reporting requirements related to network security.

Promote best practices for secure network architecture and operational resilience.

Security & Risk Awareness

Technical Problem Solving

Communication & Collaboration

Analytical Thinking

Operational Reliability & Accountability

Public‑Service Orientation

The work environment characteristics and physical demands described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

The majority of the time is spent in an office setting.

Occasionally lift and/or move up to 25 pounds.

Specific vision abilities required include close vision, distance, vision, color vision and ability to adjust focus.

Founded in 1988 by Ret. Col. Jack L. Ezzell Jr., Zel Technologies is a trusted leader in national security, providing comprehensive research, development, engineering, and operational support to the Department of Defense, the Intelligence Community, and federal agencies. Originally focused on leveraging operational and software expertise to improve time-critical targeting capabilities for the military, the company advanced its capabilities to provide scientific and HUMINT expertise for CBRNE collection and analysis. In the wake of 9/11, Zel Technologies rapidly expanded its capabilities to provide turnkey ISR support services to US Special Operations Forces (SOF), as well as advanced technical & operational intelligence, physical & data science, and engineering support services to the greater Intelligence and SOF Communities supporting global counterterrorism and CWMD operations.

Today, Zel Technologies remains at the forefront of intelligence missions, advancing CWMD and global counterterrorism efforts, while also addressing emerging threats posed by near-peer adversaries. Our team remains committed to delivering adaptive, innovative, and cost-effective solutions across multiple domains, in alignment with the mission priorities of the U.S. Government and its partner nations.

Through our commitment to innovation and quality, our skilled teams deliver robust, technology driven solutions and insights that empower our customers to overcome complex challenges and achieve their mission objectives.

ZelTech team members represent a wide range of backgrounds, skills, experience, and personalities bound together by common objectives and mutual respect. You will join a caring community of professionals, including many military veterans who challenge and support each other in seeking the right solutions to important matters.

ZelTech is an equal opportunity employer and does not discriminate based on race, color, religion, creed, sex, age, sexual orientation, national origin, disability, marital status, military status, genetic predisposition, or any other basis protected by law.