Senior Network Engineer

Insight Global · Montgomery county, United States

Job Summary

The Senior Network Engineer is responsible for the installation, configuration, maintenance, troubleshooting, and optimization of enterprise network infrastructure in a Department of Defense (DoD) environment. This role serves as a Subject Matter Expert (SME) for complex network architectures and provides advanced support for routers, switches, load balancers, serial consoles, and related network devices. The engineer will design and implement enterprise networking solutions, support network automation initiatives, monitor system performance, and ensure compliance with organizational and security standards.

Key Responsibilities

• Install, configure, upgrade, patch, harden, and troubleshoot enterprise network infrastructure, including routers, switches, load balancers, and serial console devices.
• Analyze and simulate network traffic to identify root causes of issues and validate proposed configuration changes in physical and virtual lab environments.
• Monitor network performance, system utilization, and circuit bandwidth; identify and report anomalies to Government team leads.
• Design, implement, and maintain complex enterprise network solutions supporting mission-critical operations.
• Troubleshoot and resolve advanced network issues related to routing, switching, and overall network performance.
• Develop, modify, execute, and maintain scripts to automate administrative and operational network tasks.
• Document all incident, maintenance, and change management activities to support operational continuity, auditing requirements, and compliance initiatives.
• Serve as a technical Subject Matter Expert (SME) for enterprise networking technologies and architecture.
• Support Software Defined Networking (SDN) initiatives and modern networking technologies.
• Maintain accountability of IT assets and coordinate all equipment moves with appropriate Information Technology Equipment Custodians (ITEC) or Property Custodians (PC) within required timelines.
• Ensure professional cable management standards are maintained following all installations, repairs, and infrastructure changes.
• Collaborate with Government personnel, cybersecurity teams, and technical stakeholders to ensure secure and efficient network operations.

Required Qualifications

• 7+ years of experience supporting and troubleshooting enterprise network environments.
• 7+ years of experience with Cisco routers and switches in a DoD environment.
• Hands-on experience with OSPF and BGP routing protocols.
• Active Cisco Certified Network Professional (CCNP) certification.
• Active DoD 8570/8140 IAT Level II certification.
• Experience with Cisco networking devices and enterprise network infrastructure.
• High School Diploma or equivalent.