Windows System Administrator

ManTech (


  Full Time   Employee   Contractor

United States

The Windows System Administrator will
Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems to include but not limited to:
o Windows 2008 and 2012 servers
o ESX Virtualized environment
o System Preventive Maintenance
o Active Directory
o Exchange
o Storage environments

• Manage the IT system infrastructure and any processes related to these systems.

• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, etc.

• Provide Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Assist as needed with Tier 1 (Help Desk) and provide mentoring and leadership for Tier 1 staff.

• Configure and manage server Windows operating systems and install/load operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.

• Participate on teams in the analysis and design of new large-scale Windows operating systems and/or modifications to existing systems

• Perform high level analysis of Windows operating systems and applications software requirements, processes, and characteristics for the purpose of assuring efficient and effective software design and operation

• Evaluate new system and application requirements regarding impact to the Windows operating system environment.

• Candidate must be accomplished in all areas of analysis, design, installation, implementation, configuration, tuning, administration, operation, and security of mid-tier Windows systems.


• Windows Server 2008+

• Exchange 2010+

• Familiarity with Linux (RHEL7+)


• 4-6 years’ systems administration experience in mid-to-large environments.

• Bachelor’s degree in a technical discipline from an accredited college or university is preferred.

Candidate may be required to respond to after-hours requests as required in a 24 x 7 environment.
Required Clearance: Candidate must have an active TS/SCI clearance.



To apply for this job, contact:
Human Resources

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