System Administrator 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

Position Title: System Administrator I

Location: Crane, Indiana, United States

Department: Information Technology

Work Type: Full time

Workplace Type: On-site

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.

Essential Duties and Responsibilities

• 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.

Requirements

• 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.

Benefits

At RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees.

RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $62,000 to $78,000 (annually).

Equal employment opportunity, including veterans and individuals with disabilities.

PI288014705