Secret-Cleared On-site Network & Systems Admin I

RMC - Resource Management Concepts Inc.; Crane (IN); On-site; USD 62,000 - 78,000; Full time

Benefits offered by this job

11 paid federal holidays

Healthcare plans

401K package

Tuition assistance

Job summary

RMC - Resource Management Concepts Inc. in Crane, Indiana, United States, seeks a System Administrator I to support U.S. Navy mission systems.

The role focuses on administering, securing, and documenting network infrastructure, with emphasis on COMSEC, SRDTE, and cryptographic devices, ensuring high availability and traceable configuration records. The position requires an active Secret clearance, Security+ certification, and 2–3 years of related network experience.

Qualifications

• Active U.S. Government Secret security clearance.
• Current CompTIA Security+ certification.
• U.S. citizenship required to maintain the clearance.
• 2–3 years in network administration, network operations, or a related technical field.
• Experience configuring and troubleshooting enterprise network equipment (switches/routers).
• Experience with IP networking concepts (TCP/IP, subnetting, VLANs, routing, DNS, DHCP) and troubleshooting tools.
• Demonstrated ability to work independently while coordinating with a government-led technical team.
• Strong written and verbal communication skills.

Responsibilities

• Administer, configure, monitor, and troubleshoot network infrastructure (switches, routers, firewalls).
• Build and maintain configurations, backups, and change-control records.
• Perform system patching, upgrades, and sustainment for SRDTE systems and components.
• Manage TACLANE encryptors, including updates and key loads.
• Conduct COMSEC key-management activities and asset accountability.
• Maintain COMSEC containers, access records, and documentation.

Skills

Network administration

Documentation

Written and verbal communication

Independent work

Tools

TACLANE encryptors

GEMONE

SRDTE systems

Job description

RMC - Resource Management Concepts Inc. in Crane, Indiana, United States, seeks a System Administrator I to support U.S. Navy mission systems.

The role focuses on administering, securing, and documenting network infrastructure, with emphasis on COMSEC, SRDTE, and cryptographic devices, ensuring high availability and traceable configuration records. The position requires an active Secret clearance, Security+ certification, and 2–3 years of related network experience.