On-Site Senior System Administrator – DoD RMF & Linux

Technology Service Corporation; Silver Spring (MD); On-site; USD 103,000 - 147,000; Full time

Benefits offered by this job

401k Plan

Flexible Work Schedules

Tuition Reimbursement

Co‑Sponsored Health Plan

Paid Leave

Job summary

FALCATA is seeking a full-time, on-site System Administrator to manage DoD/RMF-compliant information systems. You will work with an engineering team on modeling, simulation and critical missions, ensuring Linux-based systems meet security and operational requirements.

Responsibilities include configuring Linux servers, hardening against DoD policies, and maintaining server/storage infrastructure while collaborating with IS Owners and a small team.

Qualifications

• Bachelor’s degree or higher in a related field.
• 5+ years in the field or equivalent.
• Proficiency with network configurations and architecture.
• Strong troubleshooting and problem-solving for hardware and software.
• Knowledge of RMF, DoD 8510.01, STIGs.
• Good verbal and written communication; ability to work independently or in a small team.
• Ability to lift 40 lb and rack servers.
• Current Active Secret Clearance; willingness to obtain Top Secret clearance.

Responsibilities

• Maintain Linux (RHEL) information systems.
• Coordinate with IS Owners to ensure systems meet needs.
• Harden systems to meet DoD security policies.
• Provision, configure, and maintain physical servers, storage (SAN/NAS), and virtualization hosts.
• Perform system maintenance, updates, and backups.

Skills

DoD RMF knowledge

Troubleshooting

Communication skills

Security clearance

Physical work ability

Education

Bachelor’s degree in a related field

Tools

RHEL

Ansible

AD/GPO

Job description

FALCATA is seeking a full-time, on-site System Administrator to manage DoD/RMF-compliant information systems. You will work with an engineering team on modeling, simulation and critical missions, ensuring Linux-based systems meet security and operational requirements.

Responsibilities include configuring Linux servers, hardening against DoD policies, and maintaining server/storage infrastructure while collaborating with IS Owners and a small team.