Senior Windows Admin (TS/SCI Poly) – Security & VMware

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

Job summary

J&T Business Consulting seeks a Senior Windows System Administrator in Annapolis, MD, to support a high-security program. The role covers daily sysadmin tasks, O&M, and vulnerability remediation across virtual Windows infrastructure.

Candidates must hold TS/SCI with poly; 7+ years of Windows admin experience; strong governance, RMF, and configuration management skills. On-site, full-time position with competitive compensation.

Qualifications

• Active TS/SCI with polygraph clearance.
• Minimum 7 years of Windows systems administration experience.
• Experience in information security governance, risk management, and RMF processes.
• Hands-on with AD, DNS, GPOs, and Exchange administration.

Responsibilities

• Maintain and operate multiple Windows server clusters and AD/DNS environments.
• Apply patches, manage vulnerability scans, and remediate IAVAs.
• Monitor systems with enterprise tools and respond to outages.
• Document procedures and support IT modernization efforts.
• Provide on-call troubleshooting and cross-functional collaboration.

Skills

Active Directory

DNS

Group Policy

PowerShell

IAVA management

Windows OS

VMware virtualization

Education

Bachelor's degree in Computer Science / IT

Tools

Exchange Management Shell

VMware vSphere

Job description

J&T Business Consulting seeks a Senior Windows System Administrator in Annapolis, MD, to support a high-security program. The role covers daily sysadmin tasks, O&M, and vulnerability remediation across virtual Windows infrastructure.

Candidates must hold TS/SCI with poly; 7+ years of Windows admin experience; strong governance, RMF, and configuration management skills. On-site, full-time position with competitive compensation.