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Senior Windows System Administrator

GCyber

Posted today

Job Requirements

Arlington, VA
Top Secret/SCI Polygraph Unspecified
Career Level not specified
Salary not specified
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Job Description

GCyber is seeking a Senior Windows System Administrator, to help support our government customer in Arlington, VA. The role focuses on ownership of our Windows environment while supporting a mixed-OS infrastructure.

As the Senior Windows System Administrator, you will:
  • 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.
  • Lead complex troubleshooting and incident resolution efforts, conducting deep root cause analysis and implementing permanent corrective actions across systems and services.
  • Establish and enforce enterprise standards, baselines, and hardening guidelines in alignment with security frameworks and compliance requirements.
  • Provide technical leadership and mentorship to system administrators and engineers; guide best practices and elevate team capabilities across Windows technologies.
  • 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.
Minimum Qualifications and Experience:
  • Active Top Secret/SCI clearance
  • Bachelor's degree in a related discipline with 8+years of relevant experience
  • IAT II Certification (i.e., Security+, CCNA-Security, CySA+, CND, GICSP, GSEC, SSCP)
  • Strong experience administering Windows Server environments
  • Deep understanding of core Windows services and system management
  • Working knowledge of Linux systems.
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About Us
GCyber was founded to create innovative information technology solutions for the federal, state, and commercial markets. GCyber engineers have provided professional services supporting the information technology industry for over 15 years. Along with our engineering staff, we have relationships with partners, vendors, and analysts who have specialized expertise in the federal market. GCyber’s broad experience, focus toward execution with measurable results, and commitment to innovation provide responsive and long-lasting solutions to our customers. It is the mission of GCyber to always remain focused on our customer’s goals and improving their existing landscape. Our company accomplishes this by focusing on opportunities for innovation, while remaining mindful of industry successes and failures in the deployment of technologies. If your road map needs increasingly innovative solutions, GCyber can help you get there.
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GCyber Jobs

Job Category
IT - Hardware
Clearance Level
Top Secret/SCI
Employer
GCyber