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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator I - **Company:** RMC - Resource Management Concepts Inc. - **Location:** Crane, IN, United States - **Experience:** Experienced - **Salary:** $62,000.0 - $78,000.0 - **Contract:** Permanent contract - **Skills:** Backup Devices, Configuration Management, CompTIA Security+, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Firmware, Networking Hardware, Internet Protocol, Subnetting, Key Management, Network Troubleshooting, Network Architecture, Network Control, Network Diagrams, Network Monitoring, Routing, Network Service, Network Administration, Security Information and Event Management, TCP/IP, Virtual Local Area Networks, Network Switches, Network Routers, Computer Network Operations, Firewalls (Computer Science), Juniper, Routing & Switching, Cisco - **Published:** October 28, 2026 - **Apply:** https://www.disabledperson.com/jobs/76257958-system-administrator-i ## About the Role * Active U.S. Government Secret security clearance. * Current CompTIA Security+ certification. * U.S. citizenship, as required to maintain the clearance and support the contract. * 2 - 3 years of experience in network administration, network operations, systems administration, or a related technical field. * Experience configuring and troubleshooting enterprise network equipment, including managed switches and routers. * Experience with IP networking concepts, including TCP/IP, subnetting, VLANs, routing, switching, DNS, DHCP, and network troubleshooting tools. * Experience maintaining technical documentation, inventories, and configuration records. * Demonstrated ability to work independently while coordinating effectively with a government-led technical team. * Strong written and verbal communication skills. Preferred Qualifications * Prior experience supporting U.S. Navy, Department of War, or other federal government network environments. * Experience with TACLANE encryptors, COMSEC procedures, key management, SKLs, and cryptographic equipment accountability. * Experience with SRDTE systems and activation/patch-management processes. * Experience using GEMONE or comparable cryptographic-device management platforms. * Familiarity with DoW cybersecurity, configuration-management, and inspection requirements. * Relevant networking certifications, such as Cisco CCNA/CCNP, Juniper, or equivalent. * Experience supporting classified network environments. Work Environment * Work may be performed in office and other facilities in the Crane location. * Position may require work outside normal business hours to support maintenance windows, outage response, system activations, or mission requirements. * May require the ability to lift and move network equipment and work in equipment racks or restricted-access technical spaces. ## Description The System/Network Administrator supports U.S. Navy mission systems by administering, maintaining, securing, and documenting classified and unclassified network infrastructure. The position is responsible for network availability, configuration control, communications security (COMSEC) accountability, cryptographic device lifecycle support, and technical documentation in accordance with contract requirements, applicable policies, and site procedures., * Administer, configure, monitor, maintain, and troubleshoot network infrastructure, including switches, routers, firewalls, and associated network services. * Build, configure, deploy, and manage network switches and routers; maintain approved configurations, backups, and configuration-control records. * Perform system patching, upgrades, activations, and sustainment activities for SRDTE systems and associated network components. * Build, configure, maintain, and troubleshoot TACLANE encryptors, including software/firmware updates, key loads, battery replacements, and equipment lifecycle actions. * Perform COMSEC key-management activities, including loading, safeguarding, tracking, and accounting for keying material and related devices. * Manage COMSEC containers, combinations, access records, and accountability documentation in accordance with approved local procedures. * Conduct and document required COMSEC and equipment inventories, including: * Semiannual COMSEC inventory * Annual SRDTE hardware inventory * Monthly COMSEC Simple Key Loader (SKL) audit * Administer and maintain GEMONE management functions, including device status monitoring, configuration support, and recordkeeping, as applicable. * Monitor network performance, availability, capacity, and security events; identify faults and coordinate corrective actions. * Respond to network incidents, service interruptions, and user support requests; document troubleshooting actions and resolutions. * Maintain accurate technical documentation, including network diagrams, rack elevations, configuration baselines, standard operating procedures, inventory records, and change records. * Support system accreditation, cybersecurity compliance, inspections, audits, and technical reviews by providing required network and COMSEC documentation. * Coordinate with government personnel, engineering teams, cybersecurity personnel, vendors, and other contractors to resolve network and communications issues. * Follow established configuration-management, change-management, information assurance, COMSEC, physical security, and safety procedures. * Perform other related duties within the scope of the position and contract requirements.