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# Senior Windows SME

- **Company:** RMANTRA SOLUTIONS INC.
- **Location:** Alexandria, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Linux, Linux System Administration, Windows Servers, Windows Services
- **Published:** October 23, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9261400/senior-windows-sme

## About the Role

DoD 8750 certification at least IAT level II, e.g Security+ce, *
Bachelor's degree in a related discipline with 8+ years of prior relevant experience, or master's degree with 6-10 years of prior relevant experience.
*
Security+ Certification or other DOD 8570 IAT Level II Certification
*
Security Clearance Requirement: Active TS and SCI eligibility
*
Strong experience administering Windows Server environments.
*
Deep understanding of core Windows services and system management.
*
Working knowledge of Linux systems.
*
Solid troubleshooting and communication skills.

## Description

Serve as the senior lead and primary Subject Matter Expert (SME) for all Windows Server environments, driving technical strategy, architecture decisions, and operational excellence.
*
Design, architect, implement, and sustain enterprise Windows infrastructure.
*
Own the health, performance, and availability of Windows systems; proactively monitor, analyze trends, and implement improvements to prevent issues before they impact operations.
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Lead complex troubleshooting and incident resolution efforts, conducting deep root cause analysis and implementing permanent corrective actions across systems and services.
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Establish and enforce enterprise standards, baselines, and hardening guidelines in alignment with security frameworks and compliance requirements.
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Provide technical leadership and mentorship to system administrators and engineers; guide best practices and elevate team capabilities across Windows technologies.
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Lead planning and execution of system lifecycle activities, including patching, upgrades, migrations, and modernization initiatives.
*
Provide cross-platform support by performing basic Linux system administration and coordinating with Linux SMEs for complex issues.