150 results for It Systems Administrator Jobs in Reston, VA, US

The IT Systems Administrator is responsible for integrating, upgrading, and managing domain services and infrastructure systems in a Microsoft Windows Server environment, configuring and administering various applications, recommending IT service improvements, managing data backup systems, providing...

Kepler is on an audacious mission to deliver Internet connectivity to space, creating the infrastructure to support the rapidly increasing data needs of the space economy. With 23 satellites launched to date and our optical constellation on the horizon, our ambition is to improve access to space-gen...

Overall Position PurposeThis position is primarily responsible for acquiring, installing, configuring, and maintaining infrastructure devices to ensure that performance and reliability meets and exceeds the requirements of the business. This position is responsible for configuration, operation, secu...

20250430-39153c-01Active Top Secret Clearance With Poly RequiredSalary Range: Up to $225K**salary is commensurate with education and experience**Job SummaryThis is a DEVOPS focused position.Support with maintenance of legacy applications and assist with transition to new system architecture. Support...

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret/SCIClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems AdministrationJob Qualifications:Skills:EMC Storage Area Network (SAN) Administration, Unix System Admin...

Manage Active Directory domain and infrastructure, configure and deploy Windows servers and workstations, maintain systems by tuning performance, implement critical patches, provide procurement support for hardware/software, and respond to IT support requests.

Responsible for ensuring the optimal operation of multi-user computer systems, managing system resources, administering system security, providing Tier 1 and Tier 2 support, optimizing system performance, overseeing software installations, evaluating new technologies, and applying security settings.

Responsible for maintaining, upgrading, and managing software, hardware, and networks in a complex IT enterprise environment. Tasks include administering servers, storage, and network systems; monitoring system performance; implementing security measures; providing technical support; and developing ...

Job#: 2072657Job Description:Apex Systems is seeking a Top Secret w/ CI Poly cleared System Administrator to join our partner for a long-term contract located in Reston, VA.Please see below for more details:Apex Systems is a world-class IT services company that serves thousands of clients across the...

Responsible for managing Linux and Windows server configurations, troubleshooting production issues, deploying software applications, site reliability engineering, cloud and IT system modernization, creating CI/CD pipelines, managing AWS services, orchestrating containerized services, and enhancing ...