linux / unix systems administrator Jobs in virginia

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Applications Programmer

The Squires Group, Inc

•

Manassas, Virginia, USA

Full-time

Overview We are seeking two experienced Applications Programmers to support a major federal High Performance Computing (HPC) initiative as part of a competitive proposal effort. The work supports the next-generation Weather and Climate Operational Supercomputing System (WCOSS ) for the National Oceanic and Atmospheric Administration (NOAA). This is an exciting opportunity to join a high-profile, multi-year program supporting two Cray supercomputers capable of a combined 29 petaflops - ranked am
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Posted 10 days ago | Updated 2 days ago

Technical Collections Engineer/Analyst_Jr. Level

Nightwing

•

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
Posted 14 days ago | Updated 10 hours ago

Senior Software Systems Analyst

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Leidos has an exciting opportunity to hire a Senior Software Systems Analyst. At Leidos, we don't just imagine the future-we build it. As a cornerstone of cutting-edge innovation across national security, defense, civil, and health markets, Leidos offers you the chance to solve some of the world's toughest challenges alongside the brightest minds in the industry. Whether you're passionate about artificial intelligence, mission-critical operations, or transformative health technologies, you'll fi
Posted 6 days ago | Updated 10 hours ago

Technical Support Engineer w / Azure Active Directory/Entra ID experience - shifts available: Shift 1 - 4 days a week (32 hours) Thurs-Sun; 8:00-17:00Shift 2 - 5 days a week (40 hours) Mon-Friday: 22:30-07:30

Calance

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Remote or Los Angeles, California, USA

Full-time

Tech Support Engineer, We are seeking a detail-oriented and proactive After-Hours IT Technical Support Engineer to join our operations team in a hybrid Tier 1/2 support capacity. As part of a broader operations team, you ll work alongside dedicated professionals to ensure operational readiness, availability, and stability, of multiple environments across the US. This role provides critical after-hours support across access management, incident response, and collaboration with monitoring teams,
Posted 25 days ago | Updated 7 hours ago

Senior Virtual Systems Engineer

City of New York

•

Remote or New York, New York, USA

Full-time

Company Description Job Description Permanent incumbent only. Only permanent Certified IT Administrator (LAN / WAN) will be considered. The New York City Department of Investigation (DOI) is one of the oldest law enforcement agencies in the country with a mission of combating municipal corruption. It serves the people of New York City by acting as an independent and nonpartisan watchdog for New York City government, City agencies, and City employees, vendors with City contracts, individuals
Posted 55 days ago | Updated 10 hours ago

Python Developer

Cornerstone Defense

•

Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3707 Title: Python Developer Location: Herndon, VA Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to pro
Posted 24 days ago | Updated 10 hours ago

Lead Data Engineer - Big Data

S&P Consultants

•

Nevada, USA

Full-time

About the Role: Grade Level (for internal use): 12 About the Role: Title: Lead Data Engineer - Big Data The Team: You will be an expert contributor and part of the Rating Organization's Ingestion Pipelines Engineering Team. This team, who has a broad and expert knowledge on Ratings organization's critical data domains, technology stacks and architectural patterns, fosters knowledge sharing and collaboration that results in a unified strategy. All Data Services team members provide leadership
Posted 60+ days ago | Updated 10 hours ago

Remote System Admin | Linux Engineer | Unix Engineer or Windows System Engineer

Diversified Technology, Inc.

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Remote

Third Party, Contract

Linux Systems Engineerwith experience inAdministrationfor a one year(with possibility of extension) Must work on our W2 The Systems Engineer ESP supports our Enterprise Server Platforms. The incumbent must have knowledge of server(Windows or Linux) administration, configuration, troubleshooting, security, scripting, and networking. Strong communication and documentation skills are required as the candidate will typically be working with customers for support and new initiatives. Principal Acco
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Posted 60+ days ago | Updated 12 days ago

Cloud Engineer

BOOZ, ALLEN & HAMILTON, INC.

•

Arlington, Virginia, USA

Full-time

Cloud Engineer Key Role: Manage, administer, support, and enhance cloud environments, ensuring continuous improvement and rapid problem resolution. Apply specific functional, working, and general industry knowledge. Develop or contribute to solutions to a variety of problems of moderate scope and complexity. Work independently with some guidance. Review or guide the activities of junior employees. Basic Qualifications: 5+ years of experience in network engineering and Cloud services Experienc
Posted 8 days ago | Updated 1 day ago

Submarine Combat System Network Design Engineer

General Dynamics - GD Mission Systems

•

Manassas, Virginia, USA

Full-time

Responsibilities for this Position Submarine Combat System Network Design Engineer ID: 2025-66651 USA-VA-Manassas Required Clearance: Secret Posted Date: 6/4/2025 Category: Engineering-Other Employment Type: Full Time Hiring Company: General Dynamics Mission Systems, Inc. Basic Qualifications Requires a Bachelors degree in Engineering, or a related Science or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experienc
Posted 22 days ago | Updated 14 hours ago

Cyber Security Engineer-All Levels

SilverEdge

•

Herndon, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking an Cyber Security Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for o
Posted 59 days ago | Updated 10 hours ago

Senior Oracle Exadata DBA - Service Delivery Manager - DBA Services

Infolob Global, Inc.

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Remote or Dallas, Texas, USA

Full-time

Position: Senior Oracle Exadata DBA - Service Delivery Manager - DBA Services Location: Dallas, TX /Remote Duration: Full Time Rate: $ Open/Year Job Description: Position Overview The Service Delivery Manager (SDM) will lead managed Oracle DBA services for external enterprise clients, combining strategic client management, SLA governance, and hands on technical expertise as an Oracle DBA. This dual role ensures clients receive proactive, high performance database operations within a fully
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Posted 9 days ago | Updated 2 days ago

SDET

ConsultNet, LLC

•

McLean, Virginia, USA

Full-time

Job Description: We are supporting a Senior Director in the Quality Assurance space, who is looking for a talented, Lead SDET. \\Our client is currently going through a cloud migration of one of their systems into AWS. They need a Rockstar Lead SDET that can help them get there. Having experience with programming/coding is super important and our client loves seeing CS degrees. Our client is looking for someone that has done both back end and front end automation, with Java/Selenium and Java/RES
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Posted 60+ days ago | Updated 10 hours ago

Senior DevOps Cloud Engineer and RHEL Specialist

SAIC

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Remote

Full-time

Job ID: 2506335 Location: REMOTE WORK, AL, US Date Posted: 2025-06-04 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description SAIC is seeking a highly motivated Senior DevOps Cloud Engineer and RHEL Specialist to join our CloudOne team on the Government A1 Enclave by CloudOne project.
Posted 38 days ago | Updated 8 hours ago

Platform Architect

Isoftech Inc

•

Manassas, Virginia, USA

Contract

Title Platform Architect. Location - Manassas, VA (Day 1 Hybrid) Job Description: Reporting into Technology Platform Strategy and Architecture group, the Platform Architect is accountable for leading the development of technology architectures, for the planning and development of solutions as part of the overall Technology Platform in support of business requirements, and for supporting operational activities as part of architecture governance. The architect is responsible for providing High Lev
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Posted 30 days ago | Updated 1 day ago

Associate Data Center Technician - Graveyard

Genesis10

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Ashburn, Virginia, USA

Full-time

Genesis10 is seeking an Associate Data Center Technician - Graveyard Shift for a 12 month contract position with our client located in Ashburn, VA. This position is fully onsite. Summary: This role, due to the business needs of the team, requires employees to be physically present in the specified office on a full-time basis. This helps to ensure you are best equipped to be successful and have the experience you need to fulfil the responsibilities of the role. As an Associate Data Center Techni
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Posted 17 days ago | Updated 10 hours ago

Senior GCP Platform Engineer (449836)

Vaco by Highspring

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Remote

Contract

Senior GCP Platform Engineer | 449836 DETAILS Location: 100% Remote Position Type: 6M C2H Hourly / Salary: to $145K JOB SUMMARY Vaco Technology is currently seeing a Senior GCP Platform Engineer for a 6M C2H opportunity that is 100% remote-based. The Senior GCP Platform Engineer must possess a strong understanding of Cloud-based Platforms, including GCP, AWS, and Azure, with specialization in GCP. The GCP Platform Engineer must possess extensive hands-on expertise in CloudDeployment Manager, Co
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Posted 20 days ago

Submarine Combat System Network Design Engineer

General Dynamics

•

Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of
Posted 36 days ago | Updated 10 hours ago

Senior System Engineer (Government)

AT&T Inc.

•

Oakton, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. 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
Posted 60+ days ago | Updated 10 hours ago

System Deployment Engineer

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Leidos has an exciting opportunity to hire a System Deployment Engineer. At Leidos, we don't just imagine the future-we build it. As a cornerstone of cutting-edge innovation across national security, defense, civil, and health markets, Leidos offers you the chance to solve some of the world's toughest challenges alongside the brightest minds in the industry. Whether you're passionate about artificial intelligence, mission-critical operations, or transformative health technologies, you'll find pu
Posted 6 days ago | Updated 10 hours ago