Windows Linux Systems Administrator - TS/SCI with Polygraph Jobs

241 - 260 of 747 Jobs

SkillBridge Opportunities for System Administrators and ISSOJob Title - SkillBridge Opportunities for System Administrators and ISSO

Kratos Defense and Security Solutions, Inc.Company Name - Kratos Defense and Security Solutions, Inc.

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Colorado Springs, Colorado, USA

Full-time

Job Description Ready for What's Next? Kratos has SkillBridge opportunities for System Administrators and Information Security System Officers Learn the skills to take your career to the next level. At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees, and families. Recognized as thought leaders in our industry, we are motivated by creating and delivering innovative solutions to our nation and global customers. Kr

Systems AdministratorJob Title - Systems Administrator

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2508223 Location: WASHINGTON, DC, US Date Posted: 2025-08-05 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 System AdministratorJob Title - Linux System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Aberdeen Proving Ground, Maryland, USA

Full-time

Job Number: R0221928 Linux System Administrator The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Government? We're looking for a system administrator who specializes in Linux with skills in Linux FIPS mod, full disk encryption using LUKS, TANG, Clevis, VMWare, and Active Directory. As a Linux system administrator on our

FLEX Cloud Infrastructure Security Automation EngineerJob Title - FLEX Cloud Infrastructure Security Automation Engineer

Marriott InternationalCompany Name - Marriott International

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Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER Experience in securing Windows and Linux through hardening components according to CIS benchmark or similar standards Demonstrable expertise in DevOps engineering, systems engineering, with a background in computer science and/or software development Demonstrable skill in DevOps automation, GitOps, and pipeline development using tools like Jenkins or Harness, Git, and Ansible Script development expe

Senior Solution Architect - Miami FL (Onsite) /4 Months ContractJob Title - Senior Solution Architect - Miami FL (Onsite) /4 Months Contract

Suncap TechnologyCompany Name - Suncap Technology

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Miami, Florida, USA

Contract

Senior Solution Architect Miami, FL (Onsite) 4 Months Contract Must have skills: Dell EMC Power Protect Data Manager Dell EMC Data Domain Dell Data protection Advisor Dell Avamar, Cyber Recovery Cyber Sense DDboost for Applications RMAN and SQL Nice to have skills: Linux, AIX, windows Admin Skills, Cristie backup, LINUX REAR backup, VMware vCenter Project Tasks (day to day responsibilities): Work within the environment by running migration of backups from Avamar to PPDM Opening Change req

Modernization Cyber Systems Administrator - SA2Job Title - Modernization Cyber Systems Administrator - SA2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t

System and Network AdministratorJob Title - System and Network Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Rome, New York, USA

Full-time

Job Number: R0223200 System and Network Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? We're looking for a systems administrator with a solid background in VMWare, Linux, Windows, cyber, and Cisco networking to help us develop a sustainable cybersecurity Industrial Control Systems (ICS) test lab for the DoD. As a

Analyst, Identity & Access Management (IAM) AccessJob Title - Analyst, Identity & Access Management (IAM) Access

Toyota Motor North AmericaCompany Name - Toyota Motor North America

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Plano, Texas, USA

Full-time

Overview Who we are Collaborative. Respectful. A place to dream and do. These are just a few words that describe what life is like at Toyota. As one of the world's most admired brands, Toyota is growing and leading the future of mobility through innovative, high-quality solutions designed to enhance lives and delight those we serve. We're looking for talented team members who want to Dream. Do. Grow. with us. An important part of the Toyota family is Toyota Financial Services (TFS), the finan

Systems AdministratorJob Title - Systems Administrator

SAICCompany Name - SAIC

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Andover, Massachusetts, USA

Full-time

Job ID: 2507140 Location: ANDOVER, MA, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC currently has a career opportunity for a Cyber Systems Administrator (SA) in our Andover, Massachusetts facility to support the US Space Force (USSF). Job Duties: Manage and maintain cur

Systems AdministratorJob Title - Systems Administrator

LeidosCompany Name - Leidos

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Doral, Florida, USA

Full-time

Leidos is seeking a Systems Administrator to join our SCITES 2 team in Doral, FL. The Leidos Digital Modernization Sector at Leidos currently is looking for a Systems Administrator to work onsite in Doral, Florida and have the opportunity to work in a high-profile IT and Cyber Services program supporting the United States Southern Command (USSOUTHCOM) Cyber Information Technology Enterprise Services (SCITES) 2 contract. Our customer maintains a highly demanding mission and requires our support

Systems EngineerJob Title - Systems Engineer

SAICCompany Name - SAIC

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Eglin Air Force Base, Florida, USA

Full-time

Job ID: 2508085 Location: EGLIN AFB, FL, US Date Posted: 2025-07-31 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC is seeking a highly motivated Junior Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engine

Senior System Engineer (Government)Job Title - Senior System Engineer (Government)

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

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Chantilly, 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

Technology AdministratorJob Title - Technology Administrator

Judge Group, Inc.Company Name - Judge Group, Inc.

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Irvine, California, USA

Contract

Location: Irvine, CA Salary: $45.00 USD Hourly - $55.00 USD Hourly Description: Our client is currently seeking a Technology Administrator to work hybrid in Irvine, CA. Job Title: Technology Administrator Location: Onsite/Hybrid - Irvine, CA Job Type: Contract-to-Hire (6-Month Contract with to Full-Time Hire) Salary Range (upon conversion): $90,000 - $100,000 annually Schedule: 9/80 Work Schedule (Every Other Friday Off), Hybrid Flexibility Job Description We are seeking a hands-on Te

Senior Systems Administrator (R3668)Job Title - Senior Systems Administrator (R3668)

Shield AI IncCompany Name - Shield AI Inc

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Dallas, Texas, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Staff Systems Engineer - TS/SCI RequiredJob Title - Staff Systems Engineer - TS/SCI Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Who We Are: At C2 Ground, we are a diverse group of programs unified in our mission to support various customers and capabilities within the Command and Control Domain. As a "Family of Programs" we deliver a wide range of hardware and software solutions that provide mission-critical capabilities to our customers. Our software products focus on key areas such as Tasking, Processing, Exploitation, and Dissemination (TPED), Communications, and Mission Planning Applications, while o

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

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

EsriCompany Name - Esri

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Quantico, Virginia, USA

Full-time

Sr. Systems EngineerJob Title - Sr. Systems Engineer

LeidosCompany Name - Leidos

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Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new

Server EngineerJob Title - Server Engineer

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

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Tallahassee, Florida, USA

Full-time

About the Role The City of Tallahassee is seeking a skilled and motivated Server Engineer to join our dynamic IT team. This position is ideal for someone who thrives in a fast-paced environment and is ready to hit the ground running. You'll be part of a collaborative team of six, supporting critical infrastructure and services across the city. Key Responsibilities Provide hands-on support and maintenance for Dell servers running VMware.Manage and support Microsoft Outlook and virtual customer

Cyber Systems Engineer -GMD Weapons Systems -Secret Clearance RequiredJob Title - Cyber Systems Engineer -GMD Weapons Systems -Secret Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Huntsville, Alabama, USA

Full-time

Job Description What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation's defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work The Cyber Security Systems Engineer / L