Network Engineer 3

• Network Engineer supporting hybrid infrastructure. Manages routing, switching, firewalls,VPN,SD-WAN,andnetwork security;supports monitoring, troubleshooting, resiliency, and secure connectivity. 
• The Client seeks a Network Engineer 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 Network Engineer is a hands-on technical role responsible for routing, switching, firewalls, VPN connectivity, wireless infrastructure, and network resiliency. The position works under the direction of the Director of Infrastructure & Operations and collaborates with Infrastructure, Information Security, End User Services, Application/Data Services, vendors, and service providers.
• This role emphasizes operational discipline, secure network design, structured change management, and reliable service delivery within a government environment.

Key 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

Skills Required:

• Routing and switc+A12:D50hing Required 5 Years
• TCP/IP networking Required 5 Years
• VLAN configuration Required 3 Years
• VPN administration Required 3 Years
• Firewall administration Required 4 Years
• Wireless networking administration Required 3 Years
• Network troubleshooting Required 5 Years
• LAN/WAN support Required 4 Years
• SD-WAN support Required 2 Years
• Network monitoring tools Required 3 Years
• DNS fundamentals Required 3 Years
• Network performance analysis Required 3 Years
• Cisco networking technologies Required 4 Years
• Remote access technologies Required 3 Years
• Circuit troubleshooting Required 3 Years
• Carrier/vendor coordination Required 2 Years
• Network resiliency concepts Required 2 Years
• High availability concepts Required 2 Years
• Network documentation/diagramming Required 2 Years
• Network segmentation Required 2 Years
• Firewall rule management Required 3 Years
• Secure remote connectivity Required 3 Years
• Access control concepts Required 2 Years
• Vulnerability remediation support Required 2 Years
• Security incident support Required 1 Years
• Change management execution Required 2 Years
• Maintenance window coordination Required 2 Years
• Incident response participation Required 2 Years
• Root cause analysis Required 2 Years
• Structured troubleshooting methodology Required 4 Years
• Communication and collaboration Required 3 Years
• Operational discipline Required 3 Years
• Independent work capability Required 3 Years
• Prioritization under pressure Required 3 Years
• BGP Desired 2 Years
• Dynamic routing protocols Desired 3 Years
• Advanced firewall administration Desired 3 Years
• Cisco ASA or NGFW experience Desired 2 Years
• SD-WAN design/optimization Desired 2 Years
• QoS configuration Desired 2 Years
• Azure networking Desired 1 Years
• Hybrid cloud networking Desired 1 Years
• Zero Trust networking concepts Desired 1 Years
• SIEM/network logging integration Desired 1 Years
• IDS/IPS familiarity Desired 1 Years
• Government IT experience Desired 2 Years
• Multi-site enterprise experience Desired 3 Years