Senior Systems Administrator (TS/SCI w/ Poly)

J&T; Annapolis (MD); On-site; USD 100,000 - 200,000; Full time

Job summary

J&T in Maryland is seeking a Mid/Sr System Administrator to support a large, distributed network environment in Annapolis Junction. You will deliver full-lifecycle systems administration, operations, and maintenance across air-gapped enclaves, deploying, patching, and optimizing server and desktop environments while driving security compliance.

Key duties include managing Windows Server 2019, Active Directory, and RHEL access controls; virtualization with VMware; and handling vulnerability

Qualifications

• Bachelor’s degree in a related technical discipline plus at least 8 years of relevant systems administration experience, or equivalent.
• Proficiency with Windows Server 2019, Active Directory, and foundational knowledge of RHEL.
• Hands-on experience administering client/server virtualization (e.g., VMware).
• Familiarity with enterprise monitoring, automation, and security tools (e.g., SaltStack, Ansible, Splunk, Puppet, SolarWinds, Nessus).
• Ability to install, configure, troubleshoot, reimage, back up, and restore enterprise hardware.
• Ability to lift up to 50 lbs and support occasional day travel.

Responsibilities

• Install, configure, optimize, and maintain Windows and Linux server/desktop configurations across air-gapped enclaves.
• Administer, sustain, and troubleshoot web-based information sharing and storage environments.
• Manage Active Directory, domain services, group policies, cert renewals, and access controls.
• Execute system scanning, vulnerability management, security patching, and mitigation with automated tools.
• Perform VM provisioning, virtualization management, and hardware reimaging/troubleshooting.
• Maintain documentation of server and network architectures for rapid incident response.
• Communicate system status, maintenance, and outages with stakeholders and leadership.
• Support local travel and physical equipment handling up to 50 lbs.

Skills

Windows Server 2019

Active Directory

RHEL

VMware

Security patching

Vulnerability management

Documentation

Communication

Lifting 50 lbs

Education

Bachelor’s degree in a related technical discipline

Tools

SaltStack

Ansible

Splunk

Puppet

SolarWinds

Nessus

Job description

J&T in Maryland is seeking a Mid/Sr System Administrator to support a large, distributed network environment in Annapolis Junction. You will deliver full-lifecycle systems administration, operations, and maintenance across air-gapped enclaves, deploying, patching, and optimizing server and desktop environments while driving security compliance.

Key duties include managing Windows Server 2019, Active Directory, and RHEL access controls; virtualization with VMware; and handling vulnerability