Senior Windows Administrator Jobs in Reston, VA

Senior Windows Systems Administrator

Manage the installation of new software releases, system upgrades, patch evaluations, and resolutions for software-related issues and Information Assurance Vulnerabilities (IAVs)...

Windows Systems Administrator

Demonstrated ability to coordinate work within a team, provide training and technical direction to team members, mentor and train newly assigned staff...

Windows System Administrator

Provide recommendations to the client on improvements needed to the systems and devices in use.

Windows Systems Administrator

ManTech International Corporation is seeking a motivated Windows System Administrator to join their team in Annapolis Junction, MD. This position involves providing support for implementation, trouble...

Principal Windows Systems Administrator

Communicate effectively at all levels of the organization with internal and external customers, in written and verbal format.

Windows Systems Administrator

Join our team and contribute to implementing creative solutions to some of the largest challenges facing our warfighters today.

Senior Windows Systems Administrator

Monitor and test application performance for potential bottlenecks, identify possible solutions and work with developers to implement those fixes.

Senior Windows Collaboration/M365 Engineer

Develop moderately complex solutions for application design and IT infrastructure components.

Sr. Windows Systems Administrator - Active Directory

Provides AD infrastructure server administration and troubleshooting including, but not limited to synchronization, FSMO roles, GPO, PKI infrastructure, Enterprise NTAuth store, user and computer auth...

TS/SCI Windows Administrator

Use detailed understanding of Windows and Linux systems to perform systems administration and operation of JWAC networks and systems.

Windows Managed Dev Environment Systems Administrator

As a Windows Managed Development Environment Administrator on our team, you will provide systems administration support for implementation, troubleshooting and maintenance of IT systems...

Windows Systems Administrator

Install, configure, test and maintain operating systems, application software and system management tools.

iReturn – Windows Systems Administrator 2/3

Support multiple networks while ensuring necessary IT administration tasks are completed under supervision as necessary.

Enterprise Windows Infrastructure Engineer (Senior)

The Enterprise Windows Infrastructure Engineer (Senior) position at BAE Systems involves supporting multiple domains with a large user load, troubleshooting server network and system issues, and manag...

Northrop Grumman (DoD SkillBridge) - Windows Systems Administrator

Communicate effectively at all levels of the organization, with internal or external customers, in written and oral format.

System Administrator, Senior

ManTech International Corporation is seeking a motivated Senior System Administrator to join their team in the DC Metro Area. The role involves managing, maintaining, and securing Windows and Linux-ba...

Windows System Lead

Package, test, maintain and monitor applications and their operating systems, including coordinating the installation of the applications.

Windows System Lead

The Windows System Lead position at GDIT requires expertise in Windows system administration, application deployment, and configuration management. The role involves leading a team and ensuring the sm...

Principal Windows Systems Administrator - Polygraph - 2nd Shift

Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT...

Northrop Grumman (DoD SkillBridge) - Windows Systems Administrator

Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT...

Senior Systems Administrator

The Senior Systems Administrator is responsible for the day-to-day administration, monitoring, and compliance of classified network(s), systems, and services. They collaborate with teammates and stake...

Database Administrator Senior

Implements and optimizes the computerized database systems that support the Company's or client's ability to function daily. Implements and maintains smooth operation and physical design of databases...

Senior Systems Administrator

Monitor and test application performance for potential bottlenecks, identify possible solutions and work with developers to implement those fixes.

Windows System Lead

Conduct Intune application deployment, SCCM application deployment, Microsoft endpoint configuration manager, updates deployment, OS deployment, and reporting...

Senior Subcontracts Administrator

Prepare, issue and negotiate subcontract documents and amendments, including identification and inclusion of flow down requirements from the prime contract commensurate with delegated procurement auth...