Defense Systems Administrator — Secret Clearance

Aleron; Colorado Springs (CO); On-site; USD 62,000 - 76,000; Full time

Job summary

Acara Solutions is seeking a Systems Administrator in Colorado Springs for a 6- to 12-month contract. The role requires an active Secret clearance and experience with Windows systems, VMware, and NIST 800-series controls.

The successful candidate will harden systems, manage patches, support end users, conduct vulnerability assessments, monitor the uWAN, and maintain imaging and backups to ensure secure, compliant operations.

Qualifications

• Active Secret Clearance required.
• 7+ years of systems administration experience incl. NIST 800-series controls.
• 5+ years of Windows administration experience.
• 2+ years of vulnerability scanning and remediation experience.
• 1+ year of VMware experience.

Responsibilities

• System hardening and configuration of Windows systems to meet NIST 800-53 baselines.
• Patch management and ongoing system maintenance per ConMon standards.
• Provide user support and incident response to minimize downtime.
• Conduct monthly vulnerability scans and remediation tracking.
• Monitor and troubleshoot uWAN connectivity and performance.
• Oversee administration of desktops, servers, storage, VMware, and imaging with Macrium.
• Enforce least privilege and restrict ISSM/ISSO and DTA accounts to necessary privileges.

Skills

Active Secret Clearance

System administration

NIST 800 security

VMware

Patch management

Education

Bachelor's degree (BSCS or similar)

Tools

VMware

Macrium

Job description

Acara Solutions is seeking a Systems Administrator in Colorado Springs for a 6- to 12-month contract. The role requires an active Secret clearance and experience with Windows systems, VMware, and NIST 800-series controls.

The successful candidate will harden systems, manage patches, support end users, conduct vulnerability assessments, monitor the uWAN, and maintain imaging and backups to ensure secure, compliant operations.