Senior Systems Administrator for DoD Cyber & Linux Ops

Foxhole Technology; Fort Meade (MD); Hybrid; USD 12,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k)/retirement plans

ESOP

Education and training assistance

Job summary

Foxhole Technology is seeking a Systems Administrator III to deliver advanced systems administration and security-focused support in a DoD environment. You will work with Linux-based systems, hardware, and cybersecurity tools to maintain availability and compliance.

The role emphasizes scripting, automation, and collaboration with cybersecurity, network, and engineering teams to modernize mission-critical platforms, while adhering to DISA STIGs and RMF standards.

Qualifications

• Active Secret clearance required.
• IAT Level II certification (e.g., CompTIA Security+ CE) required.
• 8+ years in IT support, help desk, or systems administration.
• Strong knowledge of Linux operating systems.
• Ability to write Bash/Python scripts and follow structured processes.
• Experience with DoD security frameworks (DISA STIGs, RMF, NIST 800-53).
• Experience with DoD environments and DoDIN is a plus.

Responsibilities

• Provide day-to-day systems administration for enterprise IT environments.
• Monitor system health; troubleshoot complex issues and escalate when needed.
• Implement security patches and DoD-compliant configurations.
• Maintain DoD cybersecurity hardening and RMF procedures.
• Develop and maintain system documentation and SOPs.
• Perform backup, recovery, and disaster recovery testing.
• Operate security tools (HBSS, ACAS, SIEM) and related monitoring solutions.
• Manage Linux sensors and hardware (iDRAC, BluVector).
• Develop automation and scripting to improve efficiency.
• Support integration across physical, virtualized, and containerized environments.
• Investigate incidents; perform root-cause analysis; coordinate with teams.
• Provide guidance to junior staff and contribute to process improvements.

Skills

Linux administration

Scripting

Troubleshooting

Documentation

Security compliance

Collaboration

Education

DoD 8140/8570 IAT Level II certification

BS Degree in a related field

Tools

HBSS

ACAS

SIEM

BluVector

iDRAC

Job description

Foxhole Technology is seeking a Systems Administrator III to deliver advanced systems administration and security-focused support in a DoD environment. You will work with Linux-based systems, hardware, and cybersecurity tools to maintain availability and compliance.

The role emphasizes scripting, automation, and collaboration with cybersecurity, network, and engineering teams to modernize mission-critical platforms, while adhering to DISA STIGs and RMF standards.