Senior Systems Administrator Jobs in Reston, VA

21 - 40 of 4,557 Jobs

Windows Systems Administrator - TS/SCI w/ PolyJob Title - Windows Systems Administrator - TS/SCI w/ Poly

SPARTA, Inc. dba Cobham Analytic SolutionsCompany Name - SPARTA, Inc. dba Cobham Analytic Solutions

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McLean, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Systems Administrator to join

Computer Scientist / Systems AdministratorJob Title - Computer Scientist / Systems Administrator

LeidosCompany Name - Leidos

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Reston, Virginia, USA

Full-time

Description Looking for an opportunity to make an impact? The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and s

Systems Administrator - TS/SCI PolyJob Title - Systems Administrator - TS/SCI Poly

LeidosCompany Name - Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has an opportunity for a mid-level Systems Administrator to support the EAMS Program. The ideal candidate will be joining a small team and will share the knowledge, workload and the future for a mission critical application. Must be able to work on-site in Herndon, VA. Work hours are flexible. Primary Responsibilities Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Monitors and manages system resources, including CPU us

Linux Systems AdministratorJob Title - Linux Systems Administrator

Maxar TechnologiesCompany Name - Maxar Technologies

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Herndon, Virginia, USA

Full-time

Please review the job details below. Join the Adventure: Linux Systems Administrator at Maxar! Are you ready to embark on a mission that goes beyond the ordinary? Maxar invites you to join our elite team as a Linux System Administrator at our cutting-edge facility in Herndon, Virginia. As a guardian of our digital realm, you'll play a pivotal role in supporting our mission partners and directly impacting mission imperatives. Why Maxar? We're not your average team. Picture this: a dynamic soft

Linux Systems Administrator - TS/SCI w/Poly requiredJob Title - Linux Systems Administrator - TS/SCI w/Poly required

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Herndon, Virginia, USA

Full-time

Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. Here, you'll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your systems administration/engineering work in a cyber security environment will have an impact on securing our

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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McLean, Virginia, USA

Full-time

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI w/Poly cleared Systems Administrator joining our team to Support our in

Systems Administrator TS/SCIJob Title - Systems Administrator TS/SCI

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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McLean, Virginia, USA

Full-time

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Systems Administrator joining our team to Support our intellige

Systems AdministratorJob Title - Systems Administrator

CGI Group, Inc.Company Name - CGI Group, Inc.

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Fairfax, Virginia, USA

Part-time

Systems Administrator Position Description CGI Federal is among the largest IT and business consulting firms in the world, and as member of CGI Federal you will have the opportunity to participate in major IT transformation initiatives and become a shareholder in our 90,000-member strong organization spanning 40 countries. If you're looking for a challenge that stretches your talents, grows your skills, and takes digital transformation to the next level, CGI is a great place for you. Reach your

Cloud Systems Administrator, Senior AssociateJob Title - Cloud Systems Administrator, Senior Associate

PeratonCompany Name - Peraton

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Laurel, Maryland, USA

Full-time

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space,

Tier Support Systems Administrator ManagerJob Title - Tier Support Systems Administrator Manager

PeratonCompany Name - Peraton

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Chantilly, Virginia, USA

Full-time

Systems Administrator- TS/SCI w/ polyJob Title - Systems Administrator- TS/SCI w/ poly

PeratonCompany Name - Peraton

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Chantilly, Virginia, USA

Full-time

Systems Administrator- MidJob Title - Systems Administrator- Mid

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Linux Systems AdministratorJob Title - Linux Systems Administrator

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Systems AdministratorJob Title - Systems Administrator

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Lead On-Site Systems AdministratorJob Title - Lead On-Site Systems Administrator

LeidosCompany Name - Leidos

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Washington, District of Columbia, USA

Full-time

Description Leidos is hiring a Senior Systems Administrator to support the ESA V program. The ESA V program is an IT Services program supporting several federal customers. The program provides a range of IT services, including help desk, asset management, desk side support, Windows workstation engineering and maintenance, managed print services, ITSM, Active Directory services, and video conferencing, among others. Leidos has an opportunity for an individual to serve as part of the on-site techn

MSP Systems Administrator - MJob Title - MSP Systems Administrator - M

Next Step SystemsCompany Name - Next Step Systems

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Centreville, Virginia, USA

Full-time

MSP Systems Administrator, Centreville, VA We are seeking a qualified MSP Systems Administrator IT professional with 5-7 years of experience working for a Managed Service Provider (MSP). Be ready to transition into a consultant position, working closely with clients onsite. Enjoy learning the businesses you support and feeling confident in offering solutions and consultation to help clients mature their IT Infrastructure. The MSP Systems Administrator should enjoy working with a team of energ

Intermediate Systems AdministratorJob Title - Intermediate Systems Administrator

NuAxis LLCCompany Name - NuAxis LLC

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Reston, Virginia, USA

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. Grow with us! As a growing business, every NuAxis Innovations employee impacts the success and direction of this company. We all share a true passion for technology and enjoy working together to develop solutions, share ideas, and exchange knowledge. At NuAxis Innovations, we celebrate diversity and the unique perspective each team

Systems AdministratorJob Title - Systems Administrator

AmentumCompany Name - Amentum

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Springfield, Virginia, USA

Full-time

Amentum is seeking a mid-level System Administrator to provide support for several, geographically dispersed, medium-sized secure Department of Defense (DoD) networks. The system administrator will be a part of a small, cohesive team, supporting networks running the latest Microsoft products and operating systems. This position will require minimal travel, in and around the Springfield, VA area, in support of remote client locations. Candidate must have superb communication skills, as they will

Systems Administrator (Research)Job Title - Systems Administrator (Research)

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Transform technology into opportunity as a Systems Administrator (Research) with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator (Research) you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Systems Administrator (Research) joining

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

Deliver simple solutions to complex problems as a Systems Administrators at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. You'll make the end user's experience your priority and we'll make your career growth ours. At GDIT, people are our differentiator. As a Systems Administrators you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrators with Linux and Windows Infrastructure experience to manage and mai