Senior System Administrator Jobs in Arlington, VA

1 - 20 of 4,025 Jobs

Senior System AdministratorJob Title - Senior System Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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On-site in Falls Church, Virginia, USA

Full-time

Job Requisition: Senior Systems Administrator Program - Guard Enterprise Cyber Operations Support (GECOS) We are GDIT. We stay at the forefront of innovation to solve complex technical challenges. GDIT is your place. Make it your own by discovering new ways to apply the latest technologies securely and expertly. Own your opportunity at GDIT and you'll be a meaningful part of improving how agencies operate. Our work depends on a Senior Windows System Administrator joining our team to support th

Senior System AdministratorJob Title - Senior System Administrator

LeidosCompany Name - Leidos

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On-site in Annapolis Junction, Maryland, USA

Full-time

Description Are you ready to work on projects that can potentially change the world? Join us at Leidos, where your most important work is ahead! You will enjoy great benefits such as 5 weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Education and Training Support and more! If this sounds like the kind of place where you can thrive, keep reading! The Leidos National Security has a career opportunity for a Senior System Administrator in the Ft. Meade, MD. Program Sum

Senior System Administrator [Forescout] - Active Top Secret Clearance RequiredJob Title - Senior System Administrator [Forescout] - Active Top Secret Clearance Required

Essential Network Security Solutions, LLCCompany Name - Essential Network Security Solutions, LLC

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On-site in Reston, Virginia, USA

Full-time

DescriptionWork individually or in a small integrated team, and may lead a task, project, or team. Ensure project completion and provide guidance and direction to lower-level technicians, specialists, and managers. Develop new concepts and processes and analyze root causes and resolve complex issues using your full knowledge of the industry. Perform systems administration of cyber tools sets and server systems connected to networks across multiple classification domains. Provide support to devel

Senior Network Engineer/System AdministratorJob Title - Senior Network Engineer/System Administrator

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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On-site in Arlington, Virginia, USA

Full-time

Senior Network Engineer/System Administrator This company unit is looking for a Senior Network Engineer/Sysadmin to join our growing DevOps & Infrastructure Team located in our software development center. The primary responsibility of this position is to design and provide support for network architecture, network devices, and network communication security within Industrial Control System (ICS) environments for non-nuclear power plants. This includes both on-premises computing edge and cloud-b

Senior System/Network AdministratorJob Title - Senior System/Network Administrator

LeidosCompany Name - Leidos

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On-site in Laurel, Maryland, USA

Full-time

Description The Senior System/Network Administrator candidate will support dataflow operations in a Linux operating system environment. The candidate should have extensive knowledge of dataflow technologies such as NiFi and should be well versed in configuration management tools (Puppet) and scripting (Bash) to successfully execute in the role. Experience should include a subset of the following:Provide support for implementation, troubleshooting and maintenance of IT systemsManage the daily act

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

SAICCompany Name - SAIC

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On-site in Quantico, Virginia, USA

Full-time

Job ID: 2404525 Location: QUANTICO, VA, US Date Posted: 2024-04-01 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capa

Senior System Administrator (Accept OPT/CPT/H1)Job Title - Senior System Administrator (Accept OPT/CPT/H1)

Xcelo Group IncCompany Name - Xcelo Group Inc

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Remote

Full-time, Part-time, Contract, Third Party

Senior System Administrator (Accept OPT/CPT/H1) Location: Austin, TX (Initial Remote) Duration: Long Term We are seeking a highly experienced Senior System Administrator to join our IT team. You will play a pivotal role in managing, maintaining, and optimizing our critical IT infrastructure to ensure smooth business operations. Responsibilities: Install, configure, and maintain on-premises and/or cloud-based servers, operating systems (Windows, Linux, etc.), and network devices. Perform syste

Linux System AdministratorJob Title - Linux System Administrator

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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On-site in Alexandria, Virginia, USA

Full-time

Description: This Client develops cutting-edge software for the government and military. We use agile development practices and user-centered design to create innovative software solutions for complex real-world problems. We're breaking through the big, slow status quo with transformative technology that fundamentally changes and improves the world. We are looking for a committed Senior System Administrator to join our Tactical Command and Control LOB. You will solve uniquely challenging problem

Wintel/System Administrator Level 2Job Title - Wintel/System Administrator Level 2

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

About DMI DMI is a leading global provider of digital services working at the intersection of public and private sectors. With broad capabilities across IT managed services, cybersecurity, cloud migration and application development, DMI provides on-site and remote support to clients within governments, healthcare, financial services, transportation, manufacturing, and other critical infrastructure sectors. DMI has grown to over 2,100+ employees globally and has been continually recognized as a

Wintel/System Administrator Level 1Job Title - Wintel/System Administrator Level 1

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 2Job Title - Wintel/System Administrator Level 2

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 1Job Title - Wintel/System Administrator Level 1

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 1Job Title - Wintel/System Administrator Level 1

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 1Job Title - Wintel/System Administrator Level 1

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 2Job Title - Wintel/System Administrator Level 2

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 2Job Title - Wintel/System Administrator Level 2

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

Wintel/System Administrator Level 2Job Title - Wintel/System Administrator Level 2

DMICompany Name - DMI

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On-site in Arlington, Virginia, USA

Full-time

System Administrator - TS/SCI CI PolyJob Title - System Administrator - TS/SCI CI Poly

JobotCompany Name - Jobot

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On-site in Washington, District of Columbia, USA

Full-time

Must have a TS/SCI CI Poly This Jobot Job is hosted by: Eric Williams Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $150,000 per year A bit about us: This is a government consulting company has been around for the past 10+ years and helps the Federal Government. They help discover cracks in software products which allows them to better understand application security and reinforce operating systems. Why join us? Competitive B

Active Directory System AdministratorJob Title - Active Directory System Administrator

LeidosCompany Name - Leidos

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On-site in Alexandria, Virginia, USA

Full-time

Description Leidos is seeking a System Administrator to partner on a large enterprise IT contract for the DOD. The System Administrator will be responsible for maintaining existing enterprise identity management solutions, troubleshoot incidents, and assist with transitioning new capabilities from the engineering team to production. Duties will include validating the health and status, operations, and maintenance of identity management systems such as Active Directory, Azure Active Directory, Az

Macintosh System Administrator - Active Top Secret Clearance RequiredJob Title - Macintosh System Administrator - Active Top Secret Clearance Required

Essential Network Security Solutions, LLCCompany Name - Essential Network Security Solutions, LLC

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On-site in Washington, District of Columbia, USA

Full-time

DescriptionSupports day-to-day remote technical aspects of product operational data to identify diagnostic issues in enough detail to determine if the root cause is hardware or software related. Applies leading-edge principles, theories, and concepts; contributes to the development of new principles and concepts. Works on unusually complex problems and provides highly innovative solutions. Operates with substantial latitude for unreviewed action or decision. Serve as a Macintosh (Mac) systems a