Classified Systems Administrator - TS/SCI Poly

Metrea; Maryland; On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Comprehensive medical plan

HSA/FSA accounts

Dental and vision coverage

6% employer 401(k) match

Paid parental leave

Generous PTO

Life and disability insurance

AD&D Coverage

Employee Assistance Program

Gym membership discounts

Job summary

Metrea seeks a Classified Systems Administrator to support, maintain, and secure mission-critical IT infrastructure for national security programs. You will manage a focused classified environment, applying security hardening and handling recurring lifecycle tasks.

The role requires an active TS/SCI clearance with Polygraph and DoD 8570/8140 IAT Level II or III. Independence, cross-team coordination, and COMSEC duties are part of the position.

Qualifications

• Experience administering classified IT environments.
• Familiarity with DISA STIGs and vulnerability remediation.
• Strong troubleshooting of core services in isolated environments.
• Ability to work in a DoD-security environment with required clearance.

Responsibilities

• Administer and maintain a small, mission-critical classified IT environment.
• Provide hands-on support, troubleshoot hardware, OS, apps, and infra issues.
• Configure core services, AD, DNS, DHCP, policies, virtualization, backups.
• Apply DISA STIGs; remediate findings with security team collaboration.
• Maintain system documentation, SOPs, and lifecycle management.
• Support COMSEC program and participate in security readiness activities.

Skills

DISA STIGs experience

Vulnerability remediation

Active Directory

DNS management

DHCP management

Group Policy

Troubleshooting in isolated envs

TS/SCI clearance

Education

Bachelor’s degree preferred

Tools

Active Directory

DNS

DHCP

Group Policy

Virtualization

COMSEC procedures

Job description

Metrea seeks a Classified Systems Administrator to support, maintain, and secure mission-critical IT infrastructure for national security programs. You will manage a focused classified environment, applying security hardening and handling recurring lifecycle tasks.

The role requires an active TS/SCI clearance with Polygraph and DoD 8570/8140 IAT Level II or III. Independence, cross-team coordination, and COMSEC duties are part of the position.