Linux Systems Administrator Job Vacancies

51 to 75 of 142 Linux Systems Administrator Jobs

Senior Linux Systems Administrator (HPCE) with Security Clearance

Arlington, Virginia, United States
American Systems Corporation
THIS POSITION INCLUDES A $10,000 SIGN-ON BONUS! AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a Senior Linux Systems Administrator in a High Performance Computing Environment (HPCE) with AMERICAN SYSTEMS, you will have the opportunity to do the following: Enjoy a competitive salary, a generous benefits package, and a $10,000 sign-on bonus! Manage and optimize Linux-based platforms in an HPC … secure containerized environments using Podman/Docker and Ansible. Monitor performance, conduct system upgrades, and ensure compliance with security protocols. Implement and maintain secure systems, applying DoD STIGs and configuring SELinux. Configure and manage network file systems (NFS) and log management solutions. Conduct backup procedures, disaster recovery planning More ❯
Employment Type: Permanent
Salary: USD 129,800 Annual
Posted:

Linux Systems Administrator with Security Clearance

Lexington, Massachusetts, United States
Equiliem
Our client is seeking a Linux Systems Admin with some DevOps experience The successful candidate will establish, extend, and maintain infrastructure supporting Linux-based development tailored for client requirements. Infrastructure may include support for system provisioning, updating, configuration management, compliance reporting, data storage and cloud … within the larger Laboratory system administration community; implementing, deploying, and troubleshooting infrastructure software and hardware systems. This position also requires assisting staff with Linux issues and supporting wider Division-level System Administration activities as needed. Required skills: -Demonstrated ability to … architect, implement, and extend infrastructure to provide staff with a highly effective Linux experience. -Combination of DevOps administration and Linux systems administration -Ability to communicate effectively, including working in close collaboration with staff on technical topics, electronic correspondence, issue tracking, and preparing presentations and other More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux System Administrator with Security Clearance

Chantilly, Virginia, United States
CACI
Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None The Opportunity: CACI is seeking a Linux Systems Administrator … performing program. A qualified candidate will assist in the installation, configuration and deployment of a new PeopleSoft implementation. Responsibilities: Working with Linux Systems Engineering/Administration (SA) working with virtual servers and associated technologies. Including: • Install and administer PeopleSoft applications and updates. • Identify and implement application and … paced, agile environment. • Support new design/architecture tasking as part of system development efforts as requested. • Administer and service accounts. • Ensures products and systems comply with requirements and government information assurance and cyber security standards and practices through formal verification methods. Qualifications: Required: • TS/SCI Clearance (current More ❯
Employment Type: Permanent
Salary: USD 143,700 Annual
Posted:

Linux Systems Administrator (MSIC/SCOAA) with Security Clearance

Huntsville, Alabama, United States
COLSA CORP
Join our team as a Linux Systems Administrator, where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) clusters. We are looking for a skilled professional with a solid foundation in Linux administration and a collaborative … approach to problem-solving. This position is fully on-site. Securely deploy and manage Linux workstations, servers, and HPC clusters. Administer local and remote filesystems efficiently. Automate tasks using shell scripting and Python. Manage security features, including firewalls and SELinux. Work with Ansible for system configuration and automation. … manage containerized environments using Docker or Podman. Maintain and optimize HPC clusters with tools such as Bright, Slurm, and xCAT. Configure and manage Linux networking and associated services. Ensure adherence to industry best practices, company and agency policies, and regulatory requirements. Create and maintain thorough documentation of plans More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux/Fidelis Systems Administrator with Security Clearance

Reston, Virginia, United States
Zachary Piper Solutions, LLC
TS/SCI clearance and willingness to sit for CI Poly needed for consideration Zachary Piper Solutions seeks a Linux/Fidelis Systems Administrator who is customer service oriented. This candidate will make a positive impact on a long term contract in support of our … client in the Intelligence Community. The chosen candidate will p erform systems administration of cyber tools sets and server systems connected to networks across multiple classification domains. This is a fully onsite position that can be executed out of Washington DC (JBAB), Reston, VA, or Annapolis Junction, MD. … Responsibilities: Provide support to developmental and operational systems, including day-to-day operations, monitoring, and problem resolution for all client, server, storage, and network devices. Configure and manage Windows, UNIX, and Linux, and install and load operating system and application software, including Host-based Security System, Endpoint More ❯
Employment Type: Permanent
Salary: USD 155,000 Annual
Posted:

Linux System Administrator with Security Clearance

San Diego, California, United States
Zachary Piper Solutions, LLC
Zachary Piper Solutions is currently seeking a Linux System Administrator to support an NSG program on-site in San Diego, CA. This position requires an active Top Secret or TS/SCI . This job opens for applications on 4/15/25. Applications for … this job will be accepted for at least 30 days from the posting date. Responsibilities for the Linux System Administrator include: Design, implement, and manage lab infrastructure to meet customer requirements, including Linux servers and NetApp Storage/hardware software. Build and manage authentication … to work in the United States and obtain and maintain an Active U.S Government Top Secret Clearance. Qualifications for the Linux System Administrator include: Bachelor's degree in computer science or information technology Strong problem solving and communication skills. Security+ certification or the ability to obtain More ❯
Employment Type: Permanent
Salary: USD 145,000 Annual
Posted:

Linux Systems Administrator with Security Clearance

San Antonio, Texas, United States
GovCIO
Overview GovCIO is currently looking for a Linux Systems Administrator for our Courts proposal. This position will be located in San Antonio, TX. Responsibilities Responsibilities Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Has expertise in one or … more operating systems and is responsible for support functions such as planning/deploying/maintaining/supporting servers such as Red Hat Enterprise Linux or Windows, database system. backup system, and the application stack. Assists with restorations, application installation, testing, Tier 2 and Tier 3 support … and completing project documents Experience preparing formal written technical content for the development, implementation, and management of projects Experience overseeing, coordinating, and monitoring IT systems development and testing efforts, ensuring projects are completed on time, within budget, and as planned; Hardware Support Skills (HP Blades and Hitachi Storage) Clearance More ❯
Employment Type: Permanent
Salary: USD 71,150 Annual
Posted:

Linux Systems Administrator SME with Security Clearance

San Antonio, Texas, United States
GovCIO
Overview GovCIO is currently looking for a Linux Systems Administrator (SME) for our Courts proposal. This position will be located in San Antonio, TX. Responsibilities Responsibilities Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Has expertise in one … or more operating systems and is responsible for support functions such as planning/deploying/maintaining/supporting servers such as Red Hat Enterprise Linux or Windows, database system. backup system, and the application stack. Assists with restorations, application installation, testing, Tier 2 and Tier … and completing project documents Experience preparing formal written technical content for the development, implementation, and management of projects Experience overseeing, coordinating, and monitoring IT systems development and testing efforts, ensuring projects are completed on time, within budget, and as planned Hardware Support Skills (HP Blades and Hitachi Storage) Clearance More ❯
Employment Type: Permanent
Salary: USD 94,150 Annual
Posted:

Senior Linux Systems Administrator with Security Clearance

Columbia, Maryland, United States
Leidos
R- Description Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator 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 … and operation of IT systems. Optimize system operations, troubleshoot issues, and perform system capacity analysis and planning. Assist users in accessing and utilizing IT systems effectively, providing guidance and support as needed. Configure and manage UNIX or other applicable operating systems, and implement enhancements for improved reliability and … Five (5) years of additional SA experience on projects with similar software processes may be substituted for a bachelor's degree. Must have Linux administration experience Clearance Required: Must have an active TS/SCI with Polygraph. CONMD CSSRC Original Posting: March 26, 2025 For U.S. Positions: While More ❯
Employment Type: Permanent
Salary: USD 203,275 Annual
Posted:

Linux Systems Administrator with Security Clearance

Alexandria, Virginia, United States
Encode
Greetings., We are hiring for below fulltime job opportunity: Role: Linux Systems Administrator Location: Alexandria, VA Clearance: Top Secret Clearance with the ability to obtain & maintain a Polygraph post-hire Required Skills: Advanced Linux administration experience with RHEL 7 or higher Experience in More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux Systems Administrator (TS/SCI Full Scope Poly) (3755) with Security Clearance

Reston, Virginia, United States
SMX
SMX is seeking a Linux Systems Administrator to perform daily duties to support high performance through effective system monitoring and maintenance. Essential Duties and Responsibilities: Conduct regular system monitoring and software patching. Quickly resolve system issues and customer tickets. Implement security measures such as Security … and auditing data from the OS Experience with virtualization Experience with NAGIOS, Puppet, TENTAKEL, or IPMI Experience with NESSUS Experience with high performance Linux cluster Experience with source code control system Experience with AWS API command line Experience with Puppet/Chef, Jenkins, and YUM repositories Required Skills More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Systems Administrator - (Linux/Hybrid) with Security Clearance

Lexington, Massachusetts, United States
Hybrid / WFH Options
John Galt Staffing
Group has expertise in pointing and stabilization for radars and optical systems, electronics for both space and terrestrial applications, embedded and real-time control systems, and autonomous systems and robotics. Example projects include controller, power and telemetry electronics hardware and software for Laboratory space payloads; embedded pointing … control systems for airborne and space borne laser radars, laser and microwave communications systems, and imaging sensors; and robotics development for a variety of unmanned vehicle applications. The successful candidate will establish, extend, and maintain infrastructure supporting Linux-based development tailored for Group needs and Laboratory … implement, and extend infrastructure to provide Laboratory staff with a highly effective Linux experience. Combination of DevOps administration and Linux systems administration Ability to communicate effectively, including working in close collaboration with staff on technical topics, electronic correspondence, issue tracking, and preparing presentations and other More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior System Administrator, Linux with Security Clearance

Huntsville, Alabama, United States
BAE Systems
supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements. This position will have an emphasis on Linux Systems OS along with a mix of Windows OS. This is a customer service-oriented role requiring attention to detail, self-motivation and working well … share, and other collaboration servers to support groups of heterogeneous client systems. Partner with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards. Document system configuration for new and existing systems. This role will require … PXE and WDS automated system installation technologies Configuration management tools (Subversion, ClearCase Red Hat Enterprise Linux and CentOS NetApp Management Automated backup systems Preferred Education, Experience, & Skills Bachelor's Degree CompTIA Security+ certification Ability to work both Server Admin and Field service ( PC ) Pay Information Full-Time More ❯
Employment Type: Permanent
Salary: USD 146,982 Annual
Posted:

Senior Linux System Administrator Engineering Aberdeen United States of America

City, Aberdeen, United Kingdom
Parsons Oman
next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Linux Systems Administrator to join our team! What You'll Be Doing: Support the system administration for ARL high performance computers Support design of … Army Research Laboratory A2I2 building for systems being delivered in 2024 and future platforms Advise in architectural tradeoffs including NVidia Grace/Hopper, ARM, AMD, and new file systems Identify open-source software tools and stacks for customer-specific and production platforms Develop and implement software instrumentation to … measure and visualize the performance of various systems, sub-systems, and user jobs Serve as a subject matter expert to HPC program system administration team for research, development, and production HPC system What Required Skills You'll Bring: Extensive background in diverse Linux operating systems More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Operations Linux System Administrator with Security Clearance

San Antonio, Texas, United States
General Dynamics Mission Systems
of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Relocation package available As a Enterprise Operations Linux Systems Administrator for Cyber Systems, you'll be a member of a cross functional team responsible for enterprise class systems, specialized … system/server builds, and advanced troubleshooting. Engaging with cross-domain and boundary device solutions. Providing top-notch customer service in support of enterprise systems capabilities and services. Managing enterprise-level system and operational workstations, servers, and peripherals. Innovation and continuous improvement to deliver best in class service in … geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. More ❯
Employment Type: Permanent
Salary: USD 103,254 Annual
Posted:

Senior Linux System Administrator with Security Clearance

Vicksburg, Mississippi, United States
IronArch Technology
SENIOR LINUX SYSTEM ADMINISTRATOR Vicksburg, MS DESCRIPTION Who we Are Known for being a Best Place to Work and a People First company, IronArch Technology is an award-winning Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in providing innovative solutions and world class services to … Servant Leadership, Deliver and Inspire Excellence, Do the right thing! WHAT YOU'LL DO IronArch Technology is seeking a Senior Linux System Administrator to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi. In support of the … the team of administrators provides program management and technical support necessary to advance services, capabilities, infrastructure, and technologies. The Senior Linux System Administrator will perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Junior Linux System Administrator IRES - SSFB with Security Clearance

Colorado Springs, Colorado, United States
Amentum
Position Title: Junior Linux System Administrator Location: Schriever Space Force Base, Colorado Springs, CO Relocation Assistance: None available at this time Remote/Telework: NO - Not available for this position Clearance Type: DoD Secret Shift: Day shift (Mon-Fri) Travel Required: Up to 10% of the … time Description of Duties: The Junior Linux System Administrator supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will: • Troubleshoot and sustain Linux based physical and virtual machines for the Missile Defense Space Center. … the Government customer. • Conduct daily system monitoring, system backup and restoration, and application upgrades to ensure optimal and continuous system operations. • Comply with organizational systems administration standard operating procedures • Manage accounts and access to Linux systems and equipment • Be responsible for ensuring system software installation, maintenance More ❯
Employment Type: Permanent
Salary: USD 114,500 Annual
Posted:

Linux Systems Administrator

Blacklick, Ohio, United States
Elit IT Inc
Jr Linux Administrator Columbus, OH (Only Locals) USC or GC Required Server Administration: Install, configure, and maintain Linux servers, ensuring high availability and performance. Perform system upgrades, patch man More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux Systems Administrator

Bury, Lancashire, United Kingdom
JD Sports Fashion
areas of growth as part of our day to day objectives. Reporting to the Linux Team Lead, the Linux System Administrator will be responsible for providing 3rd line IT Support to the JD business users - providing technical support, including detection, recording, analysis and the … They will also perform server installation, server and administrative script development, testing, and patching under the direction of the Senior Linux System Administrator and/or the Linux Team Lead. Working hours - 40 What You'll Be Doing: Provide 3rd line technical support for … 3+ years working in a service support environment with exposure to ITIL processes. Server administration experience with Red Hat, CentOS, AlmaLinux or Oracle Linux, releases 7 through 9. Experience with Bash scripting and associated tools such as sed, awk, sort, uniq. Experience of working in an ITIL environment More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

System Administrator - Linux/Windows - Secret Clearance Required

Newport News, Virginia, United States
PROLIM Corporation
PROLIM ( ) is currently seeking System Administrator - Linux/Windows - Secret Clearance Required for one of our top client in Linthicum, MD Responsibilities: Perform as a Linux/Redhat systems administrator for a class More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

System Administrator (Linux/Storage) IRES - SSFB with Security Clearance

Colorado Springs, Colorado, United States
Amentum
The candidate will: • Build, configure, deploy, administer, maintain and troubleshoot virtual and physical servers/systems. • Build, configure, deploy, administer, maintain and troubleshoot storage systems/arrays. • Ensure system changes are completed in accordance with developer documentation, configuration management and documentation practices. • Utilize and follow developer-provided documentation to … build and configure server/system hardware and software to baseline specifications. • Research technologies and leverage optimization techniques to ensure systems operate efficiently. • Perform necessary physical inspections and research using system/event logs and appropriate tools/software to identify problems, trends and aid in troubleshooting actions. • Assist … years of general experience; Master's degree and 6 years of general experience • Must have 7 years of directly related experience in IT systems, installing and configuring operating systems and virtual machines, and troubleshooting • Must have 1 year of experience working in a management or leadership role • Must More ❯
Employment Type: Permanent
Salary: USD 132,700 Annual
Posted:

System Administrator (Linux & Fidelis Administration) with Security Clearance

Reston, Virginia, United States
Ennoble First
team. The selected candidate will work individually or within small integrated teams to develop secure and reliable solutions for enterprise computer systems. Responsibilities include systems administration of cyber tool sets, networked servers, and infrastructure across multiple classification domains. The role requires troubleshooting, system monitoring, operating system configuration, software management … and support of Linux and Windows environments. Primary Responsibilities: Perform system administration of cyber toolsets and server systems supporting multi-domain environments. Install, configure, and manage Fidelis DLP & XPS appliances, including DirectSensor 10G, Mail DLP, and CommandPost. Analyze Fidelis system logs, security logs, and network events to … ensure optimal performance and security compliance. Maintain, patch, and update Linux operating systems and applications. Support remote system administration via SSH and troubleshoot Linux OS updates and configurations. Assist with Fidelis training and maintain a minimum of 10+ hours of current Fidelis training (e.g., Udemy More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux System Administrator III with Security Clearance

San Antonio, Texas, United States
Dezign-Concepts
C2E, MachineShop, eVo, CMI6. Analyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage UNIX and Windows operating systems and installs/loads operating systems software, troubleshoot , maintain integrity of and configure network components, along with implementing operating systems enhancements to … implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. … customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability More ❯
Employment Type: Permanent
Salary: USD 170,000 Annual
Posted:

Linux System Administrator (Service Desk) with Security Clearance

San Antonio, Texas, United States
General Dynamics Mission Systems
performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Role and Position Objectives: Join our team as a Linux Systems Administrator (Service Desk) for Space, Cyber and Intelligence Systems! You'll work with a diverse team managing enterprise systems, specialized … Linux OS, cross-domain solutions, and boundary devices. Relocation assistance is available. What You'll Experience: Hands-on work with RedHat Linux, system/server builds, and advanced troubleshooting. Engaging with cross-domain and boundary device solutions. Providing top-notch customer service. Managing enterprise-level solutions … geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. More ❯
Employment Type: Permanent
Salary: USD 91,781 Annual
Posted:

Mid Linux System Administrator with Security Clearance

Dahlgren, Virginia, United States
Super Systems Inc
Job Description: Mid Linux System Administrator Clearance: Secret, will upgrade to a Top Secret Location: Onsite at Dahlgren, VA Mon-Fri: Core hours Salary: 85-115K Overview SSi is seeking a Linux/Unix Systems Administrator to join our team … in Dahlgren, VA. The Linux/Unix Administrator is responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing and Evaluation (RDT&E) environment. Responsibilities • Providing technical problem solving and in-depth … consulting for system operations. • Will work as part of a team responsible for administration and management of servers, end-user workstations, and potentially clustered systems operating in both unclassified and classified network environments. • Analysis, design, and implementation of modifications to the system software in order to improve system performance More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
Linux Systems Administrator
10th Percentile
£46,250
25th Percentile
£47,000
Median
£55,000
75th Percentile
£70,313
90th Percentile
£82,500