Windows/Linux System Administrator Jobs

121 - 140 of 4,314 Jobs

System AdministratorJob Title - System 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

System Administrator IJob Title - System Administrator I

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, 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), Information Technology (IT) Systems, Operating Systems (OS), Problem Resolution, Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Syste

System Administrator Level IVJob Title - System Administrator Level IV

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, Maryland, 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), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag

DFIR Restoration and Recovery System AdministratorJob Title - DFIR Restoration and Recovery System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Remote

Full-time

Job Number: R0210179 DFIR Restoration and Recovery System AdministratorThe 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 Digital Forensics and Incident Response ( DFIR ) ? We're looking for a systems administrator to be one of the first resp ond ers helping organizations navigate through the investigation and recovery asso cia ted with

System Administrator Level IVJob Title - System Administrator Level IV

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, Maryland, USA

Part-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), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: S ystem A dministrator Level IV Description : Ma

Systems Administrator - Linux Application SupportJob Title - Systems Administrator - Linux Application Support

Morgan StanleyCompany Name - Morgan Stanley

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Alpharetta, Georgia, USA

Full-time

In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a Cloud & Infrastructure Engineering II position at the Associate level, which is part of the job family responsible for managing and optimizing technical infrastructure and ensuring the seamless operation of IT systems to support business needs effectively. Morgan Stanley is an

Linux Systems AdministratorJob Title - Linux Systems Administrator

General DynamicsCompany Name - General Dynamics

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Patterson, Ohio, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Complex Systems, HPC, Linux System Administration Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in ent

System AdministratorJob Title - System Administrator

The Friedkin GroupCompany Name - The Friedkin Group

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Houston, Texas, USA

Full-time

Y our Assignment at a Glance The Systems Administrator supports the day-to-day operations of business-critical applications and server infrastructure at the Vehicle Processing Center (VPC), a high-availability manufacturing environment with both day and night shifts. This role is responsible for administering Windows servers, troubleshooting application and operational issues, assisting with system monitoring/alerting and maintenance, and some light Linux server administration. The Systems Admin

Windows AdministratorJob Title - Windows Administrator

eQuest SolutionsCompany Name - eQuest Solutions

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Los Angeles, California, USA

Full-time

Please note I have direct access to the Hiring Director on this position. This is an outstanding opportunity for a Sr. Systems Engineer / Windows Administrator to drive the growth and enhancement of the Azure environment from the ground up. We are a leading and growing hospitality company in our niche and are looking for a Sr. Systems Engineer / Windows Administrator. We are a publicly traded company that has been in business for 74+ years, realized $3.6B in revenue in 2024 (15 % increase over p

Linux AdministratorJob Title - Linux Administrator

Cox-Little & CompanyCompany Name - Cox-Little & Company

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Memphis, Tennessee, USA

Full-time

Role: Linux Administrator Location: Memphis TN (Onsite) (FULLTIME/Direct Hire/Permanent) Note* Onsite role, need only locals Education: At least a bachelor s degree (or equivalent experience) in Computer Science, Software/Electronics Engineering, Information Systems, or a closely related field is Preferred DescriptionSeeking an experienced Linux Administrator to join our Systems Administration team full-time, permanently. In this critical role, you will be instrumental in developing, optimizing,

System Administrator IJob Title - System Administrator I

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

SCITLS UNIX/Linux OS AdministratorJob Title - SCITLS UNIX/Linux OS Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Offutt Air Force Base, Nebraska, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Enterprise IT, Information Technology (IT) SystemsCertifications: NoneExperience: 8 + years of related experienceship Required: Yes Job Description: Seize your opportunity to make a personal impact as a SCITLS UNIX/Linux OS Administrator s

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Beavercreek, Ohio, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security team within the Digital Modernization sector is seeking an experienced Linux Systems Administrator to work onsite in Beavercreek, Ohio. You will bring Linux skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure of hardware/software. Daily duties may include protecting, configuring and managing servers and computers systems, installing software and syste

System AdministratorJob Title - System Administrator

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

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Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking an experienced System Administrator with familiarity with implementing and maintaining CMMC security controls and procedures to contribute to an agile and fast-paced software development team environment in support of our USG customer's national security mission. We are seeking people who embrace teamwork and knowledge-sharing and thrive in a culture of continuous improvement. The ideal candidate will value both collaboration and independent

System Administrator 1Job Title - System Administrator 1

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u

System AdministratorJob Title - System Administrator

SAICCompany Name - SAIC

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Fort Meade, Maryland, USA

Full-time

Job ID: 2506155 Location: FORT MEADE, MD, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: Sys Administrator 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, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence

Linux Systems AdministratorJob Title - Linux Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Wright-Patterson Air Force Base, Ohio, USA

Full-time

System Administrator 4Job Title - System Administrator 4

Boeing CompanyCompany Name - Boeing Company

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Herndon, Virginia, USA

Full-time

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. The Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS) seeks a System Administrator to join our Mission Systems Operations team in Herndon, VA. Our team focuses on delivering complex solutions in some of the most challenging envi

System Administrator (SA1) (Government)Job Title - System Administrator (SA1) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

System Administrator 3Job Title - System Administrator 3

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time