linux / unix systems administrator Jobs in virginia

1,021 - 1,040 of 1,226 Jobs

System Operations/Administrator (Multiple Levels)Job Title - System Operations/Administrator (Multiple Levels)

NoblisCompany Name - Noblis

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Chantilly, Virginia, USA

Full-time

Responsibilities Noblis ESI is seeking a System Operations/Administrator with a background in managing and maintaining desktop computing environments to work with our clients in supporting our customer Mission Integration Directorate (MID). Job Responsibilities Install, configure, and maintain desktop systems, laptops, and peripheral devices. Provide technical support and troubleshooting assistance to end-users for hardware, software, and network-related issues. Monitor system performance and

Principal Network EngineerJob Title - Principal Network Engineer

LeidosCompany Name - Leidos

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McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Network Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ves

Sr AWS Data EngineerJob Title - Sr AWS Data Engineer

Fannie MaeCompany Name - Fannie Mae

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Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will contribute to developing data infrastructure and pipelines to capture, int

IT Cloud Engineer - RemoteJob Title - IT Cloud Engineer - Remote

Mayo ClinicCompany Name - Mayo Clinic

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Remote or Rochester, Minnesota, USA

Full-time

Job Description Mayo Clinic is seeking a highly skilled and motivated FinOps Sr Analyst to advance cloud cost transparency, financial accountability, and optimization across a multi-cloud environment. This role plays a key part in the integration of FinOps and Technology Business Management (TBM) practices-enabling full-spectrum visibility into technology costs and ensuring alignment between cloud financial operations and broader IT financial management strategies. This role will work cross-fun

Proactive - Windows AdministratorJob Title - Proactive - Windows Administrator

Apex SystemsCompany Name - Apex Systems

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Dahlgren, Virginia, USA

Full-time

Job#: 2081500 Job Description: Overview SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Apex seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). Responsibilities The Systems Administrator will be responsible for: Answering questions about installation, operation, configuration, customization and usage of assi

Sr. Audit Manager, Payments NetworkJob Title - Sr. Audit Manager, Payments Network

Capital OneCompany Name - Capital One

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McLean, Virginia, USA

Full-time

Sr. Audit Manager, Payments Network Overview: Capital One's Audit function is a dedicated group of professionals focused on delivering top-quality assurance services to the organization's Audit Committee. Audit professionals are experienced, well-trained and credentialed, and operate within a collaborative, agile environment to deliver value-added opinions and recommendations. Audit's vision to provide high value, independent, proactive insights, to innovate with technology, and to be a top-no

Audit Manager, Payments NetworkJob Title - Audit Manager, Payments Network

Capital OneCompany Name - Capital One

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Richmond, Virginia, USA

Full-time

Audit Manager, Payments Network Overview: Capital One's Audit function is a dedicated group of professionals focused on delivering top-quality assurance services to the organization's Audit Committee. Audit professionals are experienced, well-trained and credentialed, and operate within a collaborative, agile environment to deliver value-added opinions and recommendations. Audit's vision to provide high value, independent, proactive insights, to innovate with technology, and to be a top-notch

Sr. Audit Manager, Payments NetworkJob Title - Sr. Audit Manager, Payments Network

Capital OneCompany Name - Capital One

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Richmond, Virginia, USA

Full-time

Audit Manager, Payments NetworkJob Title - Audit Manager, Payments Network

Capital OneCompany Name - Capital One

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McLean, Virginia, USA

Full-time

Senior Intellectual Property Security EngineerJob Title - Senior Intellectual Property Security Engineer

NVIDIA CorporationCompany Name - NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing. NVIDIA is a "learning machine" that constantly evolves by seeking new opportunities that are hard to solve, that only we can tackle, and that matter to the world. This is our life's work, to amplify human cre

OCONUS Field Engineer - TS/SCI Polygraph RequiredJob Title - OCONUS Field Engineer - TS/SCI Polygraph Required

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as such, this individual must be an excellent problem solver and work well in a collaborative team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowle

VMware Infrastructure Reporting SpecialistJob Title - VMware Infrastructure Reporting Specialist

KyndrylCompany Name - Kyndryl

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Iowa, USA

Full-time

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role Infrastructure Specialists at Kyndryl are project-based subject matter experts in all things infrastructure - good at providing analysis, docum

Senior Infrastructure EngineerJob Title - Senior Infrastructure Engineer

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

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Arlington, Virginia, USA

Full-time

Senior Infrastructure Engineer In this role, you will be responsible for designing, supporting, and maintaining secure network architectures, devices, and communications systems for Industrial Control System (ICS) environments in non-nuclear power plants. Your efforts will support both edge computing and cloud-based infrastructures, contributing to the broader mission of expanding access to reliable renewable energy. The company is located in Herndon, VA and will be a hybrid model. What You Will

Enterprise Application AdministratorJob Title - Enterprise Application Administrator

RTX CorporationCompany Name - RTX Corporation

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Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi

Cybersecurity Support Services Engineer (CSSE), TS/SCI with PolygraphJob Title - Cybersecurity Support Services Engineer (CSSE), TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Chantilly, 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: Information Security Job Qualifications: Skills: Cybersecurity, Incident Response, Vulnerability Remediation Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: We are seeking an experienced Cybersecurity Support Services Engineer to

Senior Voice EngineerJob Title - Senior Voice Engineer

General DynamicsCompany Name - General Dynamics

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Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Communication Network, IP Telephony, Telecommunications Network, Telephone System, Voice Networks Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Secure and expertly apply the latest technologies to advance the mission as

Cybersecurity Support Services Engineer (CSSE) - TS/SCI with PolygraphJob Title - Cybersecurity Support Services Engineer (CSSE) - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Chantilly, Virginia, USA

Full-time

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

Software Engineer IIJob Title - Software Engineer II

M&T BANK CORPORATIONCompany Name - M&T BANK CORPORATION

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Remote

Full-time

Title: Software Engineer II Job Location: One M&T Plaza, Buffalo, NY 14203. Position eligible for 100% remote work. Job Description: Contribute to team responsible for maintaining the M&T Equipment Finance Co. suite of applications; support and maintain software and web applications using C#, .Net, SQL Server and JavaScript; design and develop new or existing software and web applications and specifies information system solutions with GitLab, Ansible, Artifactory; test, implement, address an

System Engineer - Department of DefenseJob Title - System Engineer - Department of Defense

EsriCompany Name - Esri

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Vienna, Virginia, USA

Full-time

Overview In this position, you will implement advanced ArcGIS deployments, analyze and solve technical problems, and optimize performance and organization. You will consult with end users on advanced enterprise deployment, architecture, and integration topics. This team supports the Department of Defense and Intelligence Community clients. You will be part of a talented cross-functional team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a differe