Enterprise Network Administrator — SD-WAN, VPN & Security

Ideal Candidate Profile: Seeking a Network Administrator to support and maintain a secure, stable, and high-performing enterprise network environment. This role is responsible for administering and troubleshooting core networking infrastructure across multiple office locations, data centers, and remote access environments. The candidate will responsible for routing, switching, firewalls, VPN connectivity, wireless infrastructure, and network resiliency. This role emphasizes operational discipline, secure network design, structured change management, and reliable service delivery within a government environment.



Job Duties & Responsibilities

Network Infrastructure Administration

Administer enterprise routing and switching infrastructure

Configure and maintain LAN, WAN, wireless, and remote access environments

Support hybrid MPLS and SD-WAN connectivity across multiple locations

Maintain network availability, resiliency, and performance

Firewall & Secure Connectivity Management

Administer firewalls, VPN solutions, and secure remote connectivity

Implement and maintain network segmentation and access controls

Support secure connectivity for cloud and hybrid environments

Coordinate firewall rule changes and network security updates

Monitoring & Troubleshooting

Monitor network health, utilization, and performance

Respond to outages, connectivity issues, and infrastructure incidents

Perform network troubleshooting across routing, switching, wireless, and VPN environments

Conduct root cause analysis and implement corrective actions

Security & Compliance Support

Support implementation of network security controls and standards

Collaborate with the Information Security Office on vulnerability remediation and risk reduction

Assist with logging, monitoring, and audit activities

Support secure configuration and hardening practices

Change Management & Operations

Execute network changes through defined change management processes

Validate planned changes and maintain rollback procedures

Participate in maintenance windows and operational planning

Maintain network documentation and diagrams

Vendor & Carrier Coordination

Coordinate with telecommunications providers and vendors

Support circuit provisioning, troubleshooting, and escalations

Assist with hardware lifecycle and support renewals

Cross-Team Collaboration

Partner with Systems Administration on infrastructure dependencies

Coordinate with End User Services regarding user-impacting network issues

Support Application/Data teams with connectivity and performance needs

Communicate operational risks and system impacts to leadership



Required Qualifications

Experience administering enterprise network environments

Strong knowledge of routing and switching concepts

Experience with firewalls, VPNs, and secure remote access

Experience troubleshooting network connectivity and performance issues

Familiarity with wireless networking technologies

Understanding of structured operational and change management processes



Preferred Qualifications



Experience with Cisco networking technologies

Experience with SD-WAN and hybrid network environments

Experience in government or regulated environments

Familiarity with network monitoring and logging tools

Knowledge of security frameworks such as NIST

Relevant certifications such as CCNA or CCNP

Knowledge, Skills, And Abilities

Strong troubleshooting and analytical skills

Ability to manage multiple operational priorities

Effective written and verbal communication skills

Ability to work collaboratively across technical teams

Focus on reliability, security, and operational consistency