Defense Systems Administrator — Pentagon (TS Clearance)

Modern Technology Solutions, Inc. (MTSI); Washington (District of Columbia); On-site; USD 95,000 - 140,000; Full time

Job summary

Modern Technology Solutions, Inc. (MTSI) seeks a seasoned Systems Administrator to safeguard government information systems in Washington, DC, near the Pentagon.

You will install, configure, maintain, and troubleshoot Linux and Windows servers in a secure environment, and help build cloud and hybrid cloud infrastructure for Azure Government. The role requires DoD policy knowledge, strong problem-solving, and coordination with cybersecurity teams, program managers, and industry partners.

Qualifications

• Qualified candidate will manage Windows Server and Linux systems in secure DoD environments.
• Experience with group policy, troubleshooting, and cross-team communication is required.
• DoD security policies, TS eligibility and interaction with government stakeholders are essential.

Responsibilities

• Install, configure, maintain, and troubleshoot Linux and Windows servers.
• Support desktop, server, and network elements; coordinate with cybersecurity teams.
• Build cloud and hybrid cloud infrastructure, including Azure Government integration.

Skills

Windows Server

Linux administration

Group Policy

Troubleshooting

Communication

Desk-side support

DoD policies

Stakeholder coordination

Security clearance

Education

High School Diploma

CompTIA Security+

Tools

VMware

KVM

Ansible

Bash

Python

Puppet

Chef

Azure Government

Job description

Modern Technology Solutions, Inc. (MTSI) seeks a seasoned Systems Administrator to safeguard government information systems in Washington, DC, near the Pentagon.

You will install, configure, maintain, and troubleshoot Linux and Windows servers in a secure environment, and help build cloud and hybrid cloud infrastructure for Azure Government. The role requires DoD policy knowledge, strong problem-solving, and coordination with cybersecurity teams, program managers, and industry partners.