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Sr Windows System Administrator Jobs (NOW HIRING)

Belay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program.

We are seeking an experienced Windows System Administrator that will be working in a highly collaborative, multi-platform and multi-disciplined environment. The System Administrator must possess a ...

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics ...

Cybercore is looking for a Senior Windows System Administration to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In ...

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Sr Windows System Administrator information

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$58.5K

$106.6K

$138K

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

As of Sep 14, 2026, the average yearly pay for sr 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 is a Sr Windows System Administrator?

Sr Windows System Administrators are experienced IT professionals who manage, configure, and maintain Windows-based servers and systems within an organization. Their responsibilities include ensuring system security, optimizing performance, performing regular updates and backups, and troubleshooting technical issues. They often lead projects, mentor junior administrators, and play a key role in planning and implementing IT infrastructure improvements. Their expertise ensures that business-critical applications and services remain reliable, secure, and efficient.

What are the key skills and qualifications needed to thrive as a Sr Windows System Administrator?

To thrive as a Sr Windows System Administrator, you need deep expertise in Windows server administration, Active Directory, virtualization, and networking, typically supported by a bachelor’s degree in IT or related experience. Advanced knowledge of tools like PowerShell, VMware, SCCM, and certifications such as Microsoft Certified: Windows Server or CompTIA Server+ are commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills distinguish top performers in this role. Mastering these skills ensures secure, reliable, and efficient IT infrastructure essential for business operations.

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

Sr Windows System Administrators often encounter challenges such as managing complex Active Directory environments, ensuring system security while minimizing downtime, and efficiently handling large-scale patch management. Staying up-to-date with the latest Windows Server updates and best practices is essential to address these issues. Additionally, effective communication with cross-functional teams helps in proactively identifying and resolving potential problems, ensuring smooth system operations and compliance with organizational policies.

What is the difference between Sr Windows System Administrator vs Windows Systems Engineer?

AspectSr Windows System AdministratorWindows Systems Engineer
CertificationsMCSE, MCSA, CompTIA Server+MCSE, MCSA, Cisco certifications often preferred
Work EnvironmentData centers, enterprise IT teams, support rolesDesign, implementation, and optimization of Windows infrastructure
ResponsibilitiesManaging Windows servers, troubleshooting, maintenanceArchitecting solutions, deploying new systems, performance tuning

While both roles require strong Windows server knowledge and certifications, the Sr Windows System Administrator primarily focuses on managing and maintaining existing systems, whereas the Windows Systems Engineer is more involved in designing and deploying new solutions. The roles often overlap but differ in scope and focus within enterprise IT environments.

More about Sr Windows System Administrator jobs

What states have the most Sr Windows System Administrator jobs?

States with the most job openings for Sr Windows System Administrator jobs include:

What are popular job titles related to Sr Windows System Administrator jobs?

For Sr Windows System Administrator jobs, the most frequently searched job titles are:

Infographic showing various Sr Windows System Administrator job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $106,633 per year, or $51.3 per hour.

Sr. Windows Systems Admininstrator

Chantilly, VA

Full-time

Re-posted 3 days ago


Job description

SSA has an urgent need for a Senior Windows Systems Administrator to support a Federal Program in Chantilly, VA.  This is a direct-hire role with our client, a highly respected player in the Intelligence Community. 
**Due to the nature of the work, an active TS/SCI Clearance and CI Polygraph is required.** (this means a current, active clearance)

Sr Windows System Administrator
If you enjoy working with new technologies, enterprise-leading equipment, and have a passion for building and maintaining infrastructures, we would like to speak to you. This position will play a key role in supporting engineers responsible for leveraging next-generation infrastructure to drive innovation in the Artificial Intelligence (AI) field.
We are seeking an experienced and skilled Senior Windows System Administrator to join our IT team. As a key member of our infrastructure support team, you will be responsible for designing, implementing, and maintaining our Windows-based systems, networks, and applications. This is a great opportunity for a motivated and detail-oriented individual who is passionate about delivering exceptional technical support.
Key Job Responsibilities
· 8+ years of experience as a Windows System Administrator or similar role
· Must be able to architect and support Windows infrastructure
· In-depth knowledge of Windows Server / Desktop Operating Systems
· Strong understanding and hands-on experience with:
o Active Directory
o Group Policy
o DNS
o Patching and update management
o File Server administration
o Exchange Server / Enterprise Email Systems
· Experience with Windows deployment tools such as SCCM or MDT
· Familiarity with backup and disaster recovery procedures
· Excellent problem solving skills and ability to troubleshoot complex technical issues
· Strong communication and interpersonal skills
· Design, implement, and maintain Windows-based systems, networks, and applications
· Provide technical support and assistance to users via phone, email, and in-person
· Monitor system performance, identify and resolve issues, and optimize system resources
· Develop and maintain documentation for system administration tasks and procedures
· Collaborate with other IT teams to ensure seamless integration of new technologies and systems
· Stay up-to-date with the latest Windows OS updates, security patches, and best practices
· Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers. 
Core Competencies – Leadership
Problem-Solving: Excellent analytical and problem-solving skills to diagnose and resolve complex technical issues in distributed systems.
Communication: Strong verbal and written communication skills to collaborate effectively with leads, security, and other stakeholders.
Collaboration: Ability to work effectively in a team environment, mentor junior engineers, and lead technical initiatives.
Mentorship: As a Senior role, the ability to guide and mentor junior engineers, share knowledge, and foster best practices.
Proactive & Ownership: Proactive approach to identifying and addressing potential issues, with a strong sense of ownership over the platform.
Beneficial Skills
· Experience installing, configuring, and supporting the Linux operating system (Server / Workstation)
· Knowledge of PowerShell / Python / Bash scripting and automation
· Certification in Microsoft MCSA or MCSE and other industry certifications
· Familiarity with security best practices (e.g. firewalls, antivirus software)
· Experience with virtualization technologies (VMware, Hyper-V, KVM)
· Proficiency in SQL Server administration
· Experience with IT service management frameworks (e.g. ServiceNow)