109 results for Systems Administrator Jobs in Herndon, VA, US

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...

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...

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 ...

Responsible for configuring and maintaining enterprise monitoring infrastructure, providing Tier-3 support for network incidents, and documenting project requirements. Engages in predictive analysis and automated responses to events, and implements visualizations and alerting for IT systems.

Candidate MUST possess a TS/SCI clearance with Intel PolygraphRequired Skills And Demonstrated Experience" (U) Demonstrated expertise managing Linux Servers (RHEL, CENTOS) in an enterprise environment." (U) Demonstrated expertise using deterministic configuration management tools (Puppet, Ansible)."...

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 ...

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...

The Craft Data Systems Administrator supports the administration of systems for managing the craft employee life cycle, including recruitment, hiring, onboarding, and data integrity. Responsibilities include user access management, data protection, generating reports, facilitating end-user training,...