Senior Systems Administrator - TS/SCI Poly | Secure Enclaves

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

Job summary

J&T Business Consulting in Annapolis, MD seeks a Mid/Sr System Administrator to support a distributed air-gapped network environment. You will deploy, patch, and optimize server and desktop environments, manage AD and virtualization, and drive security compliance across multiple enclaves.

The role requires active TS/SCI with Polygraph and a strong background in Windows/Linux administration, automation, and vulnerability management. Occasional travel and up to 50 lb handling may be required.

Qualifications

• Bachelor’s degree plus 8 years of relevant sysadmin experience, or equivalent.
• Proficient with Windows Server, AD, and foundational RHEL knowledge.
• VMware virtualization experience and enterprise tool familiarity required.
• Experience with security tooling and patching across air-gapped enclaves.

Responsibilities

• Install, configure, and maintain Windows and Linux servers across air-gapped enclaves.
• Administer Active Directory, domain services, GPOs, and access controls.
• Patch, ship, and secure systems using automated vulnerability tools.
• Manage virtualization, VM provisioning, and hardware reimaging.
• Document architectures for rapid incident response and knowledge sharing.
• Communicate system status and outages to stakeholders and leadership.
• Support occasional local travel and handle physical equipment up to 50 lbs.
• Maintain compliance with security and accreditation requirements.

Skills

Windows Server

Active Directory

RHEL

VMware

Scripting (PowerShell/Python)

Education

Bachelor's degree in Systems Engineering or related field

8+ years of relevant experience in lieu of degree

Tools

SaltStack

Ansible

Splunk

Puppet

SolarWinds

Nessus

Job description

J&T Business Consulting in Annapolis, MD seeks a Mid/Sr System Administrator to support a distributed air-gapped network environment. You will deploy, patch, and optimize server and desktop environments, manage AD and virtualization, and drive security compliance across multiple enclaves.

The role requires active TS/SCI with Polygraph and a strong background in Windows/Linux administration, automation, and vulnerability management. Occasional travel and up to 50 lb handling may be required.