Windows System Administrator - 2nd Shift

GCyber; Arlington (VA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

26 Days Paid Leave

Annual PTO Increase

Parental Leave

Leave for Military Duty/Jury/Bereav

401(k) Matching

Disability Insurance

Health, Dental, Vision Insurance

Training and Professional Development

Commuter Benefits

Parking and Transportation Allowance

Job summary

GCyber is seeking a Windows System Administrator to own a Windows-dominant environment in Arlington, VA, supporting a government customer. This night shift role runs from 12:00pm to 8:00pm, with ownership of Windows infrastructure and cross‑platform coordination.

You will serve as SME for Windows Server environments, lead architecture decisions, and drive operational excellence while mentoring staff and enforcing security baselines. A TS/SCI clearance and 8+ years of experience are required.

Qualifications

• 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).

Responsibilities

• Serve as SME for Windows Server environments and drive strategy.
• Design, architect, implement, and sustain enterprise Windows infrastructure.
• Own the health, performance, and availability of Windows systems; monitor trends and implement improvements.
• Lead troubleshooting and incident resolution with root cause analysis.
• Establish and enforce enterprise standards, baselines, and hardening guidelines.
• Provide technical leadership and mentorship to system administrators and engineers.
• Lead system lifecycle activities: patching, upgrades, migrations, modernization.
• Provide cross‑platform Linux support and coordinate with Linux SMEs.

Skills

Windows Server administration

Education

Bachelor’s degree in a related discipline

Tools

IAT II Certification

Job description

GCyber is seeking a 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.

This is a night shift position with hours from 12:00pm - 8:00pm.

As the 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.

Our Benefits

GCyber is committed to the well-being and development of every employee. Our benefits are designed to support your personal and professional goals, from health and wellness programs to retirement savings and career development opportunities. Highlights include:

• 26 Days of Paid Leave + Annual PTO Increase
• An extra day of paid leave for every year of employment with GCyber
• Paid Parental Leave
• Additional Leave Allowances for Military Duty, Jury Duty, and Bereavement Leave
• 401(k) Matching
• 100% Company-funded Disability Insurance
• 90% Company-Funded Health, Dental, and Vision Insurance, with contributions to insurance benefits for spouses, children, and family members
• Training and Professional Development Plans
• Commuter Benefits Plan
• Parking and Transportation Allowance

Equal Opportunity Employer

GCyber is an Equal Opportunity Employer. This means you don't have to worry about whether your application process will be fair. We consider all applicants without regard to race, color, religion, age, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, veteran status, or disability.

Stay in Touch

For future job notifications please follow GCyber on LinkedIn. https://linkedin.com/company/gcyber