Senior Network Engineer supporting U.S. Navy afloat (shipboard) networks, providing break/fix IT support, cybersecurity patching, and technical troubleshooting in a fast-paced military environment.… Requires hands-on administration of Cisco switching/routing, Windows Server, and Linux systems; root-cause analysis; and coordination with Active Duty personnel and government staff. Must hold an active Secret clearance, be able to obtain TS/SCI, and meet DoD IAT Level II certification requirements. Role includes 25% travel, frequent onsite shipboard support, and occasional after-hours availability.