Network Engineer III will support testing of communications between a Surrogate MQ-25 Air Vehicle and Ground Control Station, including narrowband and wideband satellite and line-of-sight links. Responsibilities include designing and troubleshooting multi-vendor network systems (routers, switches, firewalls), writing test plans and procedures, performing Wireshark traffic analysis, configuring network devices, and applying DISA STIGs. The role requires 4+ years of DoD/government network experience, proficiency in Cisco routing/switching, Layer 2/3 protocols (BGP, DMVPN, IPSec, OSPF, EIGRP, VRRP, STP), Linux administration, and network automation tools (Ansible, Python). CCNA certification is mandatory and Secret clearance must be held at start.