Senior Windows SysAdmin — TS/SCI w/ Poly | Agile Ops Lead

J T; Annapolis (MD); On-site; USD 188,000 - 210,000; Full time

Job summary

J T is seeking a Senior Windows System Administrator in Annapolis Junction, MD to support a fast-paced SAFe program. The role requires hands-on Windows administration, security governance, and cross-team collaboration to sustain critical infrastructure.

You will manage AD/DNS, Exchange, PowerShell automation, and patching while ensuring compliance with SSPs/RMF. Strong operational discipline and on-call readiness are essential.

Qualifications

• Active TS/SCI security clearance with polygraph.
• Minimum 7 years of dedicated Windows systems administration experience.
• Minimum 7 years of experience in information security management, governance, risk, compliance, and operational security functions.
• Hands-on experience with Windows AD/DNS, GPOs, Exchange admin, PowerShell, and vulnerability remediation.

Responsibilities

• Maintain multiple virtual server clusters and resolve system scan findings.
• Implement patching and vulnerability remediation, and manage AD configuration.
• Monitor and respond to alerts with enterprise tools and coordinate with partner teams.
• Oversee IAVA management and system security scans per SSPs and RMF guidance.
• Execute monthly security scans and deploy patches/updates as required.
• Document procedures and maintain SOPs for operations and security.

Skills

AD & DNS

GPOs

Exchange Admin

PowerShell

IAVA management

Vulnerability remediation

VMware

Windows/Linux

ITIL

On-call support

Education

Bachelor's degree in CS/IT

Tools

Exchange Management Shell

PowerShell

VMware vSphere

Job description

J T is seeking a Senior Windows System Administrator in Annapolis Junction, MD to support a fast-paced SAFe program. The role requires hands-on Windows administration, security governance, and cross-team collaboration to sustain critical infrastructure.

You will manage AD/DNS, Exchange, PowerShell automation, and patching while ensuring compliance with SSPs/RMF. Strong operational discipline and on-call readiness are essential.