DoD Network Administrator - SIMNET & Security Ops

Valid8 Financial, Inc.; Fort Leonard Wood (MO); On-site; USD 75,000 - 110,000; Full time

Job summary

Summit Technologies, Inc. seeks a Network Administrator at Fort Leonard Wood to operate, secure, maintain, and troubleshoot the closed SIMNET for the FBLP Experimentation Division. You will ensure reliable connectivity during prep, testing, pilot runs and events.

The role requires 7+ years' relevant experience, a Secret clearance, and certifications (Security+, Cisco). Expect on-site work with after-hours support and adherence to DISA RMF and STIGs in a DoD environment.

Qualifications

• U.S. citizenship and active Secret eligibility.
• Seven years of network administration, maintenance, or related technical experience.
• CompTIA Security+ and Government-accepted networking certification; Cisco experience required.
• Working knowledge of Windows and Linux systems, DISA STIGs, RMF, vulnerability-management tools, and secure DoD network operations.

Responsibilities

• Install, configure, administer, maintain, and troubleshoot Cisco routers, switches, firewalls, network cabling, storage devices, VoIP equipment, and related components.
• Configure devices per Army Regulation 25-2, DISA STIGs, and approved baselines.
• Monitor SIMNET availability, performance, capacity, connectivity, and cybersecurity status.
• Support connectivity to federate simulations through Bifrost, HLAs, or DISIS.
• Diagnose and resolve outages, conflicts, and interoperability issues.
• Maintain network diagrams, IP addresses, device inventories, and change records.
• Conduct vulnerability scans, intrusion detection, patches, malware protection, and remediation.
• Coordinate changes with Government IA personnel.
• Provide immediate technical support during experimentation events and meet PWS restoration standards.
• Evaluate emerging network technologies and recommend improvements for performance, reliability, and security.

Skills

Network administration

Cisco

Security+

Windows

Linux

RMF

DISA STIGs

Job description

Summit Technologies, Inc. seeks a Network Administrator at Fort Leonard Wood to operate, secure, maintain, and troubleshoot the closed SIMNET for the FBLP Experimentation Division. You will ensure reliable connectivity during prep, testing, pilot runs and events.

The role requires 7+ years' relevant experience, a Secret clearance, and certifications (Security+, Cisco). Expect on-site work with after-hours support and adherence to DISA RMF and STIGs in a DoD environment.