Senior Windows Sys Admin | Night Shift | TS/SCI

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 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.