Senior Systems Administrator Jobs in Virginia

1 - 20 of 34 Jobs

Senior Systems Administrator - Clearance RequiredJob Title - Senior Systems Administrator - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Dahlgren, Virginia, USA

Full-time

Job Description At the dawn of a new space age, Lockheed Martin a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our outstanding skills and experiences to create, craft and build solutions to some of the worlds' hardest engineering problems. Our culture supports employees to dream big, perform with excellence and create incredible products. We provide the resources, encouragement and focus and if you have the p

Senior Systems AdministratorJob Title - Senior Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0221552 Systems Administrator, Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within classified environments supporting agencies with a solid background in windows operating systems to he

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

MSITEK LLCCompany Name - MSITEK LLC

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Herndon, Virginia, USA

Contract

- 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines - Experience with Windows firewalls - Expert level Microsoft Azure Administrator - Expert level Windows admin skills (Active Directory, DNS, Group Policy) - Security Clearance or ability to get a Clearance Nice to Have Skills and Experience -Bachelors in Computer Science - Professional industry certifications

Senior Systems AdministratorJob Title - Senior Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2077484 Job Description: Apex Systems is seeking a Senior Systems Administrator to work fully onsite in Herndon, VA. For immediate consideration, please email your updated resume to Maren at with "Senior Systems Administrator Herndon, VA" in the subject line. #Clearance required: Active Full Scope Polygraph Summary: We are seeking a Senior Systems Administrator to join a Specialized Infrastructure Operations team within the Information Technology & Data Analytics (IT&DA) organization i

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

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

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

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

Senior Windows Systems Administrator VMWare SMEJob Title - Senior Windows Systems Administrator VMWare SME

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506329 Location: CHANTILLY, VA, US Date Posted: 2025-06-03 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for an ambitious Senior Level System Administrator/VMWare SME like you! Candidates will join a fast-paced and growing team of System Administrators in supporting

IT Sr Systems Administrator - virtualJob Title - IT Sr Systems Administrator - virtual

Alight Solutions LLCCompany Name - Alight Solutions LLC

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New Jersey, USA

Full-time

Are you a DevOps enthusiast looking for an exciting opportunity to showcase your skills? Look no further! We're on the lookout for a dynamic DevOps Engineer to join our team! Our Story At Alight, we believe a company's success starts with its people. At our core, we Champion People, help our colleagues Grow with Purpose and true to our name we encourage colleagues to "Be Alight." Our Values Champion People - be empathetic and help create a place where everyone belongs. Grow with purpose - b

G2 Senior Systems Administrator | Active Top Secret clearanceJob Title - G2 Senior Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in

Senior Systems AdministratorJob Title - Senior Systems Administrator

Virginia JobsCompany Name - Virginia Jobs

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Virginia, USA

Full-time

Job Description This Senior Systems Administrator position is responsible for maintaining information technology infrastructure to support Virginia Tech sites in both Alexandria and Arlington. This position maintains systems for client support, security monitoring, and virtualization and will be called upon to modify and/or replace them as needed with input and assistance from other members of the team. Some of the technology and services in use include Windows Active Directory, Microsoft Intun

G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearanceJob Title - G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Directory Services, System Administration, Technical Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into an opportunity as a Directory Services Engineer / Senior Systems Administrator

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

SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VAJob Title - SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Senior Systems Sustainment Administrator - EveningJob Title - Senior Systems Sustainment Administrator - Evening

SAICCompany Name - SAIC

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Suffolk, Virginia, USA

Full-time

Job ID: 2502771 Location: SUFFOLK, VA, US Date Posted: 2025-07-07 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Evening Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a Senior Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and

Senior Network/Systems AdministratorJob Title - Senior Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA and will be a fully remote position. 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 upgrades systems and/or servers as required. May create and document new methods supporting

Sr. ERP and CRM Systems AdministratorJob Title - Sr. ERP and CRM Systems Administrator

EclaroCompany Name - Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5

G2 SharePoint Systems Administrator | Active Top Secret clearanceJob Title - G2 SharePoint Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with

Systems AdministratorJob Title - Systems Administrator

Credence Management SolutionsCompany Name - Credence Management Solutions

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McLean, Virginia, USA

Full-time

Overview Credence is one of the largest privately held technologies services company in the country, repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest Growing Private Companies list for the last 12 years. We practice servant leadership and believe that by focusing on the success of our clients, team members, and partners, we all achieve greater success. At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge s