Senior System Administrator | DoD RMF & STIGs Expert

Leidos; Norfolk (VA); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos seeks a Senior System Administrator for its enterprise IT operations team located in the Hampton Roads area, VA. You will guide a team in provisioning, installing, configuring, operating, and maintaining system infrastructure while upholding security standards.

The role emphasizes mentoring, proactive security compliance, automated configuration management, and system monitoring to ensure high availability and secure defense networks.

Qualifications

• Must be a United States citizen.
• Active DoD Secret security clearance required.
• DoD 8570.01-M IAT Level II certification (e.g., Security+, CySA+, CCNA Security, GSEC, SSCP).
• Experience with SMIT NMCI is required.
• Location is Hampton Roads, VA and on-site or hybrid as required by operational parameters.
• Bachelor’s degree or equivalent with 4+ years of progressive system administration experience.

Responsibilities

• Maintain, monitor, and sustain physical/virtual servers and storage.
• Apply STIGs and RMF to systems, apps, and network devices.
• Perform vulnerability scans, patching, remediation, and mitigation.
• Develop automation/scripts with PowerShell, Ansible, and Jenkins for provisioning and config baselines.
• Manage enterprise backups and disaster recovery procedures, testing data integrity.
• Provide Tier III support and draft/maintain topology docs and SOPs.

Skills

System administration

Security compliance

Automation

System monitoring

Education

Bachelor's degree or equivalent experience

Tools

PowerShell

Ansible

Jenkins

ACAS/Nessus

Bitbucket

Job description

Leidos seeks a Senior System Administrator for its enterprise IT operations team located in the Hampton Roads area, VA. You will guide a team in provisioning, installing, configuring, operating, and maintaining system infrastructure while upholding security standards.

The role emphasizes mentoring, proactive security compliance, automated configuration management, and system monitoring to ensure high availability and secure defense networks.