Linux / Unix Systems Administrator Jobs in Virginia

481 - 500 of 662 Jobs

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

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Atlanta, Georgia, USA

Full-time

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or West Palm Beach, Florida, USA

Full-time

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or San Diego, California, USA

Full-time

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

Junior Cloud EngineerJob Title - Junior Cloud Engineer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description The Multi Domain Solutions Division at Leidos is looking for a Junior Cloud Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The Junior Cloud Engineer will deploy, maintain, and scale hybrid cloud digital infrastructure for an Air Force Lifecycle Management Command (AFLCMC) customer. This position requires a fast-learning, high-performing candidate with a proven history of delivering cloud solutions to customers. The ideal candidate will have

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

Sr. Platform EngineerJob Title - Sr. Platform Engineer

SS&C Technologies IncCompany Name - SS&C Technologies Inc

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Kansas, USA

Full-time

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description Job Description: We are seeking a skilled Sr Database Platform Engineer to join our team. In this role, you will be instrumental

DevOps Application Developer (Hybrid)Job Title - DevOps Application Developer (Hybrid)

Penn StateCompany Name - Penn State

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Remote or State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

Staff Network Engineer - Global Cloud ServicesJob Title - Staff Network Engineer - Global Cloud Services

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Austin, Texas, USA

Full-time

Virtual Systems Engineer III, Operational TechnologyJob Title - Virtual Systems Engineer III, Operational Technology

Archer Daniels MidlandCompany Name - Archer Daniels Midland

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Remote or Des Moines, Iowa, USA

Full-time

Job Description Virtual Systems Engineer , Operational Technology (OT) This is an exempt level position. ADM would consider placing this position in any large ADM manufacturing facility. Potential locations include: Decatur, IL; Cedar Rapids, IA; Clinton, IA; Marshall, MN; Columbus, NE. Position Summary: As a key member of the Operational Technology (OT) team, you will be responsible for advancing the capabilities and performance of technology systems infrastructure within the ADM OT/Process

Information Security EngineerJob Title - Information Security Engineer

Virginia JobsCompany Name - Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Information Security Engineer Position Overview: We are seeking a highly skilled Information Security Engineer with deep expertise in Splunk and Splunk Enterprise Security to join our cybersecurity team. The ideal candidate will have extensive engineering experience across multiple security domains, including SIEM, SOAR, Cloud Security, system administration, vulnerability management, network security/firewalls, API integration, scripting, and automation. This position will play a critical rol

Sr. Software Engineer-Automated Test Framework TS/SCI PolyJob Title - Sr. Software Engineer-Automated Test Framework TS/SCI Poly

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software 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% c

Senior Network EngineerJob Title - Senior Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Reston, Virginia, USA

Full-time

Job Number: R0218929 Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation o

Site Reliability Engineer II - Real-TimeJob Title - Site Reliability Engineer II - Real-Time

EsriCompany Name - Esri

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Vienna, Virginia, USA

Full-time

Overview Join us to work collaboratively with our talented team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a difference. You'll deploy and operate ArcGIS Velocity and ArcGIS Workflow Manager SaaS solutions. You will also have the opportunity to design, deploy, and operate next-generation real-time and big data GIS software-as-a-service (SaaS) capabilities for thousands of cloud users worldwide. Our teams have a broad mix of experience levels a

Junior Cloud EngineerJob Title - Junior Cloud Engineer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Junior Cloud Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The Junior Cloud Engineer will deploy, maintain, and scale hybrid cloud digital infrastructure for an Air Force Lifecycle Management Command (AFLCMC) customer. This position requires a fast-learning, high-performing candidate with a proven history of delivering cloud solutions to customers. The ideal candidate will have experience i