Junior Network & Systems Administrator – LVC & DoD Cyber Ops

JSL Technologies, Inc.; California, Northern (MO, KY); Hybrid; USD 65,000 - 90,000; Full time

Job summary

JSL Technologies, Inc. is seeking a Junior Network and Computer Systems Administrator to provide system administration and cybersecurity support for LITL systems within Live, Virtual, and Constructive environments.

The role includes maintaining LITL systems, applying RMF controls, and ensuring DoD compliance. The ideal candidate will have experience with Windows/Linux, basic networking, and DoD security practices, and will pursue the required DoD security clearance.

Qualifications

• Experience in system administration and/or cybersecurity.
• Working knowledge of Windows/Linux systems and basic networking (TCP/IP).
• Familiarity with NIST SP 800-53 and DoD security practices.
• DoD 8570/8140 IAT Level II certification (e.g., Security+).
• Bachelor's degree plus 3 years or equivalent experience, or higher.
• Ability to obtain and maintain a U.S. Security Clearance (Secret).
• Legal work authorization to work in the United States without sponsorship.

Responsibilities

• Administer, maintain, and troubleshoot LITL systems and supporting infrastructure.
• Support data link injection and LVC integration (e.g., Link-16 or similar).
• Execute system administration tasks, including patching, account management, and configuration control.
• Implement cybersecurity controls per RMF and system baselines.
• Apply STIGs, conduct vulnerability scanning, and remediate findings.
• Monitor systems and logs; support incident identification and response.
• Maintain and update ATO artifacts and system documentation.
• Support fielding, integration, testing, and live training events.
• Troubleshoot issues across systems, networks, and data interfaces.
• Travel to operational sites as required.
• Perform other duties as assigned.

Skills

System administration

Cybersecurity

Windows/Linux

TCP/IP

NIST SP 800-53

DoD IAT Level II (Security+)

U.S. Security Clearance (Secret)

Education

Bachelor's degree + 3 years

Associate's degree + 5 years

High school diploma + 7 years

Tools

ACAS/Nessus

Virtualization

Cross-domain solutions

Job description

JSL Technologies, Inc. is seeking a Junior Network and Computer Systems Administrator to provide system administration and cybersecurity support for LITL systems within Live, Virtual, and Constructive environments.

The role includes maintaining LITL systems, applying RMF controls, and ensuring DoD compliance. The ideal candidate will have experience with Windows/Linux, basic networking, and DoD security practices, and will pursue the required DoD security clearance.