Principal Windows Systems Administrator Jobs in Virginia

41 - 60 of 460 Jobs

Network/Systems AdministratorJob Title - Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Systems Administrator IV to support the Department of Veterans Affairs by maintaining and optimizing server and client operating systems across a remote enterprise environment. This position will be fully remote within the United States. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrade

SharePoint Systems AdministratorJob Title - SharePoint Systems Administrator

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep readin

Systems Administrator (Unix, Linux and Tomcat)Job Title - Systems Administrator (Unix, Linux and Tomcat)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2504336 Location: ASHBURN, VA, US Date Posted: 2025-04-07 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary We are currently seeking a motivated, career and customer-oriented Systems Administrator (Senior) to join our team in Ashburn, VA to begin an exciting and challenging c

Journeyman Computer User Support Specialist /Systems AdministratorJob Title - Journeyman Computer User Support Specialist /Systems Administrator

Akima, LLCCompany Name - Akima, LLC

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Falls Church, Virginia, USA

Full-time

Tuvli is looking for a Journeyman Computer User Support Specialist to work in Falls Church, VA. To join our team of outstanding professionals, apply today! Responsibilities Provides Level II IT customer support to Army OTSG (Office of the Surgeon General) including configuration, testing, troubleshooting of computer systems, peripherals and software within established standards and guidelines.Develops strong communications and working relationships with other support teams.Manages objects withi

Systems Administrator IIIJob Title - Systems Administrator III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Sparks, Nevada, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system parame

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Enterprise Senior Systems AdministratorJob Title - Enterprise Senior Systems Administrator

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Critical Systems, Enterprise Servers, Operating Systems (OS) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Th

Systems Administrator, JuniorJob Title - Systems Administrator, Junior

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Systems Administrator- TS/SCI with PolygraphJob Title - Systems Administrator- TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Information Technology (IT), Linux, System Administration Certifications: Security+ CE - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Sys

Principal Information Systems Security Engineer (ISSE)Job Title - Principal Information Systems Security Engineer (ISSE)

LeidosCompany Name - Leidos

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Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for Cyber Security Engineer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vest

Systems Administrator- TS/SCI with PolygraphJob Title - Systems Administrator- TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Springfield, Virginia, USA

Full-time

Sr Systems AdministratorJob Title - Sr Systems Administrator

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Sr Systems Administrator, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

Senior Systems Administrator - TS/SCI with PolygraphJob Title - Senior Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Incident Resolution, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT

Systems Op AdministratorJob Title - Systems Op Administrator

Talent GroupsCompany Name - Talent Groups

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Remote

Contract

Position: Systems Op Administrator Location: Remote - must work EST hours Job Type: Contract Duration: 12 months to start Job Description Responsible for the day-to-day support and maintenance of the client's EIM (Enterprise Information Management) technology stack.Product support includes but not limited to: DB2 (bridging the gap between developer/engineers and DBAs)SAP (Business Objects) Data Services BODI (primary ETL/Integration tool)Informatica (PowerCenter, PowerExchange, and IICS)WebFOCU

Systems AdministratorJob Title - Systems Administrator

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Senior Systems Administrator - TS/SCI with PolygraphJob Title - Senior Systems Administrator - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Incident Resolution, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT E

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with PolygraphJob Title - IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: DNS, Dynamic Host Configuration Protocol (DHCP), Microsoft (MS) Active Directory (AD), Windows 10 Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Tech

Systems AdministratorJob Title - Systems Administrator

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Responsibilities Job Summary: We are seeking a highly skilled and experienced System Administrator to join our team. This position will require the candidate to work closely with government customers, contractor Project Lead, Information Systems Security Officer (ISSO), Application Vendor, and Application End Users. The candidate must have experience in system monitoring, troubleshooting, patching, and security. The role demands an individual who is proactive, detail-oriented, and capable of w

SharePoint Systems AdministratorJob Title - SharePoint Systems Administrator

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authenti

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with PolygraphJob Title - IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: DNS, Dynamic Host Configuration Protocol (DHCP), Microsoft (MS) Active Directory (AD), Windows 10 Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Tech