Configure, manage, and maintain all network infrastructure including firewalls, managed switches, routers, and wireless access points across on-premises and remote sites Design and implement network segmentation strategies including VLANs, ACLs, and zone-based firewall policies to support security compliance and CUI data handling requirements Manage and process configuration change requests following formal change management procedures, ensuring changes are tested, documented, and approved prior to implementation In conjunction with our Manage Services provider, Deploy, administer, and troubleshoot VoIP phone systems, including handset provisioning, dial plan management, call routing, and QoS tuning Monitor network performance and availability using network management tools; proactively identify and resolve bottlenecks, outages, and degraded services Maintain accurate and up-to-date network documentation including topology diagrams, IP address management (IPAM), device inventories, and configuration baselines Support site-to-site VPN configuration, SD-WAN deployments, and remote access infrastructure Collaborate with the cybersecurity team to ensure firewall rulesets, wireless configurations, and network architecture align with NIST 800-171 and CMMC requirements Participate in on-call rotation for after-hours network incidents and maintenance windows. Preferred Qualifications: Experience with the Fortinet product stack - FortiGate firewalls, FortiSwitches, FortiAPs, and FortiManager Familiarity with SD-WAN configuration and management Exposure to CMMC, NIST 800-171, or other DoD compliance frameworks Experience in a defense contracting or government environment Scripting or automation experience (Ansible, Python, or PowerShell) for network configuration management Active Secret clearance or willingness to obtain Certifications: Network+, CCNA, NSE 4/5 (Fortinet), or equivalent.