118 results for It Systems Administrator Jobs in Lorton, VA, US

Responsible for integrating, upgrading, and managing domain services and infrastructure systems in a Microsoft Windows Server environment. Configures and administers various IT applications and tools, recommends improvements, manages data backup systems, provides end user support, maintains software...

Job Title: IT Systems Administrator Location: Onsite in Manassas, VA for 3 days a week Interview Process: Onsite interview for the second round Work Authorization: US Citizen/Green Card/Employment Authorization Document (EAD)Responsibilities Install, configure, and maintain computer hardware, softwa...

Responsible for ensuring the security and integrity of IT systems, applying Security Technical Implementation Guides (STIGs), managing system patches, and overseeing vulnerability management processes. Conducts regular STIG compliance checks, manages operating systems and application patches, perfor...

Description Leidos is seeking a Sr. System Administrator in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolid...

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems AdministrationJob Qualifications:Skills:System Administration, Technical Support, Troublesho...

ManTech seeks a GNOC Systems Administrator to help support our current Marine Corps Systems Command, Program Manager Intelligence & Cyber Operations Contract in Stafford, VA.Responsibilities include but are not limited to:Maintain a 24/7 presence to manage an entire domain with over 40 garrison and ...

Responsible for administering computer systems and hardware, maintaining and upgrading data systems, managing operating systems, solving problems, ensuring compliance with data security policies, and participating in team meetings. Requires security clearance and cybersecurity certification.

Analyze and evaluate existing hardware/software systems, monitor infrastructure availability, diagnose and resolve issues, oversee disaster recovery plans, implement operating system upgrades, and ensure security compliance. Provide technical guidance and create engineering documentation for enterpr...

Manages computer systems functionality and efficiency. Provides IT service management and troubleshooting, analyzes and diagnoses hardware failures, performs network management, monitors system performance, manages user accounts, and interfaces with customers and government officials. Shift work on ...

DescriptionBMA is seeking an Senior Systems Administrator to join our team. This is a remote position .Job Summary Ensures the stable operation of the in-house computer software systems and network connections—including planning, developing, installing, configuring, maintaining, supporting, and opti...