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Senior Windows System Administrator Jobs (NOW HIRING)

CALNET INC

Windows Systems Administrator

Washington, DC · On-site

... talented Senior Windows System Administrator with Secret Clearance to work in Washington DC This ... opportunity is onsite in Washington DC CALNET, Inc. offers a competitive salary and a generous ...

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Senior Windows System Administrator information

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How much do senior windows system administrator jobs pay per year?

As of Jun 9, 2026, the average yearly pay for senior windows system administrator in the United States is $106,633.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $114,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Windows System Administrator, and why are they important?

To thrive as a Senior Windows System Administrator, you need deep expertise in Windows Server environments, network administration, and troubleshooting, often supported by a bachelor’s degree in IT or related certifications like Microsoft Certified: Windows Server or Azure Administrator. Proficiency with tools such as Active Directory, PowerShell scripting, virtualization platforms, and system monitoring software is typically required. Strong problem-solving, communication, and leadership skills help you manage complex systems and coordinate with IT teams effectively. These skills ensure the reliability, security, and optimal performance of critical IT infrastructure in enterprise environments.

What are Senior Windows System Administrators?

Senior Windows System Administrators are experienced IT professionals responsible for managing, configuring, and maintaining Windows-based servers and systems within an organization. They ensure the reliability, security, and performance of these systems, often overseeing backups, updates, and troubleshooting technical issues. In addition, they may lead a team of administrators, develop automation scripts, and implement best practices for system management. Their expertise is crucial for maintaining a stable and secure IT infrastructure, supporting business operations, and planning for future technology needs.

What is the difference between Senior Windows System Administrator vs Windows Server Engineer?

AspectSenior Windows System AdministratorWindows Server Engineer
CertificationsMicrosoft Certified: Windows Server, MCSEMicrosoft Certified: Windows Server, MCSE
Work EnvironmentIT departments, enterprise networks, data centersData centers, enterprise IT teams, cloud environments
Primary ResponsibilitiesManaging Windows servers, troubleshooting, maintenanceDesigning, deploying, optimizing Windows server infrastructure
Industry UsageCommon in large organizations, government, financeUsed in enterprise environments, cloud services, hosting providers

While both roles require similar certifications and work in enterprise environments, Senior Windows System Administrators focus on managing and troubleshooting existing Windows server infrastructure, whereas Windows Server Engineers are more involved in designing and deploying new server solutions.

What are some typical challenges faced by Senior Windows System Administrators, and how can they be addressed?

Senior Windows System Administrators often encounter challenges such as managing complex Active Directory environments, ensuring system security, and minimizing downtime during maintenance or updates. Staying current with the latest Windows Server technologies and security best practices is crucial. Collaborating closely with network engineers, security teams, and help desk staff helps streamline issue resolution and maintain system integrity. Leveraging automation tools like PowerShell can also significantly improve efficiency and reduce human error.
What cities are hiring for Senior Windows System Administrator jobs? Cities with the most Senior Windows System Administrator job openings:
What are the most commonly searched types of Windows System Administrator jobs? The most popular types of Windows System Administrator jobs are:
What states have the most Senior Windows System Administrator jobs? States with the most job openings for Senior Windows System Administrator jobs include:
Senior Windows System Administrator

Senior Windows System Administrator

GCyber

Arlington, VA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 6 days ago

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.

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

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