1 to 25 of 117 Linux Systems Administrator Jobs

Linux Systems Administrator - Active Top Secret Required Seize your opportunity to make a personal impact as a Linux Systems Administrator with GDIT. A career in systems administration means connecting and enhancing the systems that matter most. At GDIT, people are our differentiator. As a Systems Administrator, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrator joining our team to bring professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better. HOW A Linux Systems Administrator WILL MAKE AN IMPACT: Basic knowledge of containerization and container orchestration Experience developing methods for deploying development environments that mirror production environments for risk mitigation in test and evaluation of software and hardware solutions Develop and provide documentation and training to improve utilization of various Linux based technical solutions Experience troubleshooting More ❯

Job Summary Country: United Kingdom Location: Central London Salary: GBP up to £45k DOE Job Type: Permanent Technologies: Linux Systems Administrator Python Ruby Bash Ubuntu Debian CentOS Nagios Atlassian JIRA Confluence Bitbucket TCP/IP VMware Endeavour Recruitment has excellent opportunity to join our client a market leading, digital agency based in Central London. They … are looking for a Systems Administrator with strong Linux experience, your main responsibility will be monitoring and maintaining core infrastructure systems. This is the perfect opportunity for a Linux Systems Administrator who is looking to expand their knowledge and develop new skills. The successful Systems Administrator will … be responsible for the following - Assisting on global infrastructure projects Recommend changes and improvements Monitor and maintain core infrastructure systems Assisting the development team The successful Systems Administrator must have the following experience - Knowledge of Linux - Debian, Ubuntu, or CentOS Knowledge of Nagios Knowledge of distributed monitoring Knowledge of configuration management - Puppet/Forman More ❯

Overview LINUX SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Linux Systems Administrator to join our team in Dahlgren, VA. The Linux Systems Administrator is responsible for system administration 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, correct errors, or fulfill specific needs. Participate in planning … operating policy, interacting with vendors, educating customers, and communicating and collaborating with other projects within the organization. Support of individual user workstations and associated software will be required. Linux Admin will provide support for application installation, licenses management, software tracking/distribution and backup/recovery of system configurations and user data files. Assist users in applying for More ❯

Linux Systems Administrator Location: Linthicum Heights, MD Clearance: Active TS/SCI with FSP (Within last 5 - 6 years) DeNOVO Solutions is seeking a Linux Systems Administrator to support the systems infrastructure needed by the government in the development of various applications. Systems Administrators will work with teams … of engineers and developers in a technical capacity as part of the role. This position will play a critical role in supporting the systems security and infrastructure for the program to achieve the government's objectives. Responsibilities: • Serve as a Linux systems administrator for implementation, troubleshooting, and maintenance of various physical and virtual servers … Provide Tier 1 and Tier 2 support for problem identification, diagnosis, and resolution. • Manage daily configuration and operation of IT systems and infrastructure. • Support client/server/storage/network/mobile device operations and monitoring. • Optimize system operations and perform system capacity analysis and planning. • Configure and manage RHEL operating systems, including installation, network configuration, and More ❯

Overview LINUX SYSTEM ADMINISTRATOR (UNIX) (RDTE) Bowhead is looking for a Linux Systems Administrator (UNIX) who will be responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing, and Engineering (RDT&E) environment in Dahlgren, VA. Responsibilities Red Hat Enterprise Linux system … software support. Support for application installation, licenses management, software tracking/distribution and backup/recovery of system configurations and user data files. TIER III (Sr. Linux Systems Administrator) Understand and use essential tools for handling files, directories, command-line environments, and documentation Operate running systems, including booting into different run levels, identifying processes … starting and stopping virtual machines, and controlling services Configure local storage using partitions and logical volumes Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems Deploy, configure, and maintain systems, including software installation, update, and core services Manage users and groups, including use of a centralized More ❯

R- Description Leidos has a new and exciting opportunity for a Principal 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 Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. … Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid infrastructure environments. The ideal candidate will bring strong expertise in Linux system administration, infrastructure automation, and modern … HCI platforms, along with foundational Windows support. Responsibilities Include: Administer and maintain Linux systems across enterprise environments Create and manage automation scripts using Ansible for provisioning and configuration Support Windows Server environments to ensure cross-platform compatibility Deploy and manage containerized workloads using Docker and Kubernetes Operate and optimize hyperconverged infrastructure platforms, including Rancher and Harvester Integrate More ❯

work involves working on cutting edge HPC technologies to ensure that scientists and engineers will be able to fully utilize modern HPC systems. We are seeking a senior level Systems Administrator with Linux and Software Configuration Management experience to support our program at the Springfield, VA location. The successful candidate will have experience supporting Linux based users on a Multi- Level Security network. Including configuration management, build automation and release engineering. This is a Systems Administrator role that manages Linux server infrastructure in support of the program. The role includes solving end-user computer system problems and improving performance on Linux Redhat platforms/operating systems. … Candidate needs experience with tools listed below and will be supporting the software configuration management (SCM) processes. The Systems Administrator assists with resolving technical issues with applications, network connectivity and ensures security compliance of deployed systems. Basic Qualifications: • Bachelor's degree from an accredited college in related discipline and a minimum of 6 years of professional level More ❯

The Senior Linux Systems Administrator will serve as a key member of the Embedded Network Services team, responsible for architecting, deploying, securing, and maintaining enterprise-grade container orchestration environments in support of high-performance computing, AI/ML clusters, and mission-critical DoD systems. This role requires deep expertise in Kubernetes (K8s), Linux systems engineering, and automation frameworks, as well as experience operating in secure, classified, and compliance-driven environments. The administrator will work closely with cybersecurity teams, scientific computing staff, and program management to ensure reliable, secure, and efficient operations for both development and production workloads. As a dynamic systems integrator, SMS offers proven solutions in … engineering, operations, cybersecurity, and digital transformation. With expertise in modernizing and optimizing legacy infrastructure and systems, ensuring operational efficiency, and designing, implementing, and managing secure environments, SMS supports business and mission goals with proficiency, quality, and integrity. SMS has been serving the advanced information technology needs of the federal government since 1976, delivering talented teams and innovative, cost-effective More ❯

Position: Linux Systems Administrator Location: Greater Boston, MA (Onsite) Length: 3+ years Job Description: Our client is seeking a Linux Systems Administrator to support enterprise-classified infrastructures. This role is ideal for an experienced administrator with deep Linux expertise, strong automation skills, and a solid understanding … of system security and compliance standards. The selected candidate will be responsible for the configuration, maintenance, and optimization of Linux-based systems and services, ensuring operational reliability, performance, and security across complex computing environments. This position offers the opportunity to work on impactful projects within a highly collaborative IT team. Essential Duties and Responsibilities: • Administer and maintain … multi-user Linux environments, focusing on RHEL 7/8 server and workstation platforms. • Develop and maintain secure systems that meet internal and government compliance standards. • Automate system configuration and deployment using tools such as Satellite and Ansible. • Write and maintain scripts in bash/shell, Python, and Perl to support administrative tasks and system management. • Configure More ❯

Unix/Linux Systems Administrator (Solaris Specialist) Barrow-in-Furness | £51,000 + Benefits | SC Clearance Required We are seeking an experienced Unix/Linux Systems Administrator with strong Solaris expertise to join our team in Barrow-in-Furness . This is a site-based role, 5 days per week … engineering programmes. This is a fantastic opportunity to work in a secure and technically challenging environment, where your skills will directly support vital national infrastructure. The Role As a Systems Administrator, you will: Provide support and administration of Unix/Linux environments, with a strong focus on Solaris 10 & 11 (experience with Solaris 8/… patching, upgrades, and troubleshooting. Develop and maintain automation scripts (Bash, Python, etc.) to improve efficiency and streamline operations. Support project delivery teams with technical expertise and system configuration. Ensure systems remain secure, stable, and compliant with security standards. About You We're looking for someone who has: Proven experience in Unix/Linux administration within enterprise environments. More ❯

on a regular basis and upgrade administrative tools and utilities Description Active security clearance required (secret or top secret) We are seeking a skilled and proactive Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have hands-on experience managing and maintaining systems running Ubuntu and Red Hat Enterprise Linux … using shell scripts or configuration management tools. • Collaborate with development and DevOps teams to support application deployment and infrastructure needs Skills red hat enterprise linux, ubuntu, system administrator, linux, security clearance, Windows server Top Skills Details red hat enterprise linux,ubuntu,system administrator Additional Skills & Qualifications Qualifications you must have … experience or an Advanced Degree in a related field or in absence of a degree, 6 years of relevant experience. 3+ years of experience as a Linux Systems Administrator. • Strong expertise in Ubuntu and Red Hat Enterprise Linux (RHEL). • Proficiency in shell scripting (Bash, etc.). • Experience with system monitoring tools (e.g., Nagios, Zabbix More ❯

operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and … take your place in space. Job Summary We are looking for a Systems Administration Staff II/III. In this role, you will use enterprise Linux expertise to support enterprise Linux systems in a classified environment. You will support aerospace engineering staff using these systems to perform scientific and engineering analyses that support … full-time, on-site at our facility in Chantilly, VA. What You'll Be Doing Install Red Hat Enterprise Linux and Oracle Linux on physical systems, including implementing encryption-at-rest (LUKS) Provision Red Hat Enterprise Linux and Oracle Linux VMs Patch, reboot, and troubleshoot patching processes ( e.g. GPU drivers & kernel More ❯

AEITS, Inc. is looking to grow its team! We are seeking a Systems Administrator, RHEL/Linux, Level I, to support our customer in the Annapolis Junction, MD area. The ideal candidate will have strong Linux skills, experience with Docker, Ansible, Puppet, and basic knowledge of network configurations, server security, and scripting. Mission … As a Systems Administrator on this government program, you will support hardware integration, working with software development teams, and ensuring the maintenance and optimization of Linux-based systems in an Agile/DevOps environment. environment. Location: Annapolis Junction, Maryland All work is on-site. This is not a hybrid or remote position. Clearance: TS … Five (5) years of additional SA experience may be substituted for a bachelor's degree. Strong Linux skills Experience installing, configuring, and maintaining Linux operating systems and related software Familiarity building Docker containers and containerization practices Experience with or knowledge of Ansible and Puppet Experience writing and modifying scripts (bash, perl, python, etc.) to accomplish More ❯

Job Title Linux Systems Administrator Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch … to combine your technical skills with big picture thinking to make an impact in the Intelligence Community? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineering solution. As a Linux engineer on our team, you have the chance to shape Air Force Intelligence Operations capabilities by leading creating Linux-based solutions for global, multi-infrastructure systems supporting real-time mission operations. Your customer will trust you to not only design and develop these systems, but also evolve them with advanced technology solutions. On our More ❯

Title: Linux Systems Administrator – Red Hat, RHEL, Ubuntu, VMware, Data Centre Location: Remote Salary: Up to 65,000 per annum + On-call (1 in 5) Type: Permanent Job Summary: Charles Simon Associates is seeking an experienced Linux Systems Administrator to join one of our existing clients, who is a … Install, configure, and manage Linux servers (RHEL, CentOS, Ubuntu, Oracle Linux) using automation where possible Maintain high availability and performance of Data Centre and Cloud systems, minimising disruption due to change or incidents Configure, manage, and monitor SAN storage, Blade Server infrastructure, and related hardware Administer VMware environments (vSphere, ESXi, vCenter), including VM deployment, migration … snapshots, and performance tuning Configure and maintain Data Protection platforms such as Commvault, Dell EMC Networker, and Zerto Collaborate with DBA, Network, Application, Systems, and Service Desk teams on projects, upgrades, migrations, and architecture improvements Conduct regular Disaster Recovery (DR) testing and maintain comprehensive DR documentation Monitor system performance, carry out capacity planning, and optimise resources for compute and More ❯

LINUX SYSTEMS ADMINISTRATOR Albuquerque, Carlsbad, Las Cruces, Alamogordo, Clovis, NM & El Paso, TX RESPEC's Data and Technology Services business unit (DTS BU) seeks a mid-level Systems Administrator to work with our Department of Energy (DOE) client. • Maintains and administers an archive/backup/and disaster recovery solution/system … client offices • Programs and manages network switches, routers and firewalls • Maintains and provides monthly as well as special requested documentation pertinent to the set up and maintenance of computer systems and their software Qualifications: • Bachelor's degree in computer science, Information Technology, or related technical discipline and a minimum of 3-4 years of experience; OR 6 years of … learn new technologies and to earn applicable IT certifications Preferred: • Proficiency in scripting on all platforms: Bash, Bourne, C-shell and Python on the Solaris and Linux systems • Installing and maintaining Oracle Grid Engine on Solaris and Slurm on Linux • Compiling Fortran and C applications on Solaris and Linux • Knowledgeable of parallel computing More ❯

AMERICAN SYSTEMS is a 100% 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 This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when … the work becomes available. As a Tier I Linux Systems Administrator with AMERICAN SYSTEMS you will have the opportunity to do the following: Perform general Systems Administrator functions supporting all HPC users with courteous responses to their HPC system operations and maintenance activities issues. Support Senior Systems Administrators (SA) in … optimizing the functionality and performance of hardware and software components. Ensure availability, integrity, efficiency, and reliability of servers, workstations, and data storage systems (Lustre, Bright Cluster) Support other System Administrators (SA) in creating, administering, and managing Linux user accounts. Triage Tier 1 Service desk tickets and produce service ticket reports and performance metrics. Support Linux More ❯

Position Description: CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements and leveraging your knowledge on a highly collaborative team to deliver state-of-the-art capabilities. … The Linux Systems Administrator manages and maintains an organization's Linux-based servers and infrastructure, ensuring their stability, security, and optimal performance. Key responsibilities include installing and configuring systems, managing user accounts, monitoring system health, implementing security protocols, performing backups and recovery, and automating tasks with scripting languages like Bash or Python. … located in USA VA Arlington, however, a hybrid working model is acceptable. Your future duties and responsibilities: • System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical and virtual servers. • User and Access Management: Create and manage user accounts, groups, and permissions, ensuring access control and security protocols are followed. • System Monitoring More ❯

The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support our government customer located in Kekaha, Hawai'i. Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. Oversee and manage … enterprise-level Linux infrastructure in support of U.S. Navy operations within a Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration, and a strong working knowledge of Risk Management Framework (RMF) and NIST SP 800-53 controls. The ideal candidate will demonstrate the ability to … be substituted for a degree or experience. DOD 8570/8140 IAT II One of the following OS Certifications required: Linux, Linux+ or Red Hat Certified System Administrator (RHCSA) Certification required prior to start. REQUIRED SKILLS & EXPERIENCE: Knowledge of IT systems and advance IT infrastructure concepts Must be proficient in operating personal computers, computer software More ❯

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA This opportunity allows you to become part of a diverse and innovative team supporting national security priorities in a collaborative, Big Data-driven environment. You will contribute to complex systems involving infrastructure, application development, data science, and … advanced analytics-helping to drive impactful solutions in support of critical government missions. As a Senior Linux Systems Administrator, you will help maintain and enhance the Sponsor's Linux environment alongside a talented team. You will be responsible for the operating system software and its seamless integration with hardware and applications across the … organization. Responsibilities include, but are not limited to: Planning, testing, installing, integrating, and maintaining new and upgraded versions of the relevant operating systems; building and hardening Linux servers, and establishing configuration baselines Applying all appropriate security and firmware patches in a timely manner, and assisting in creating, maintaining, and adhering to the organization's patch management plans More ❯

ABOUT US Rollout Systems works with a wide spectrum of talent to establish an atmosphere that stimulates creativity, constant progress, and achievement. We believe in empowerment for success and providing the tools to do the best job for our customers. Our corporate values are transparent; being open and honest with each other. Come and join our dynamic team! JOB … DESCRIPTION Seeking a highly motivated, talented and driven Linux Systems Administrator (Linux/Unix) to work Onsite supporting enterprise IT for our War-fighter customer who upholds America's status as the "Land of the Free" every day, at work, or at play. RESPONSIBILITIES Install, configure and manage the Linux operating … systems and related tool sets Gather requirements, develop, and conduct design reviews Maintain servers to be compliant per NAVAIR and DISA policies Utilize functional knowledge of backup and disaster recovery technologies Utilize strong understanding of system security principles and experience to execute hardening techniques Document, update, and maintain documentation and knowledge base, including system descriptions, procedures, events and processes More ❯

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 Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. … Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Join our team as a Linux Systems Administrator, where you'll provide crucial support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. You'll manage IT system infrastructure and processes, ensuring … hardware issues, configure and install system hardware/software, and maintain server and domain security requirements. Basic Qualifications: Experience: Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts of similar scope, type, and complexity. Education: Bachelor's degree in a technical discipline from an accredited college or university. Five (5) years More ❯

/distribution and backup/recovery of system configurations and user data files Understand and use essential tools for handling files, directories, command-line environments, and documentation Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services Configure local storage using partitions and logical volumes Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems Deploy, configure, and maintain systems, including software installation, update, and core services Manage users and groups, including use of a centralized directory for authentication Manage security, including basic firewall and SELinux configuration Configure static routes, packet filtering, and network address translation Set … Evaluate-STIG, STIG-Manager) Knowledge of/experience with Tenable suite of products (Security Center, Nessus Scanner, Nessus Agent) is a plus Seeking specific experience with the following operating systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a plus) Must meet DoD 8570 Information Assurance Workforce (IAWF More ❯

Provides IC data management support to modernize mega data repositories, dataflow management, data provenance and compliance validation, and streaming solutions. About The Role The NiFi project team requires a Systems Administrator who will have the opportunity to provide: Linux systems deployment Systems patching and upgrades Software installation and configuration IAVA patching and documentation … an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. Minimum 2 years of Linux Systems Administration experience administering user accounts, performing server subsystem configuration, network management, installation of software, performing backups, configuration management, and general system maintenance. DOD 8570 Required TS/SCI with … and system patching Experience with Elastic Search functionality Knowledge of Network Protocols Experienced providing customer support Understanding of fundamental networking and distributed computing environment concepts, Linux desktop systems, performance tuning and capacity planning of servers (hardware and software levels) Ability to write Shell and SALT scripts. Write and maintain system technical documentation. A self-starter who can More ❯

Position: Linux System Administrator - Tier 2 Clearance Required: TS/SCI with CI Polygraph About the Role: Advance your career as a Linux Systems Administrator, working on critical cloud initiatives that support government operations. Collaborate with a skilled team to develop solutions that make a direct impact on public sector efficiency … RocketChat). • Innovate: Serve as a subject matter expert (SME) to define network requirements and optimize user metrics. • Maintain: Oversee infrastructure patching and OS baseline hardening for multiple Linux environments. • Support: Ensure compliance … with security standards in partnership with Enterprise Services. Qualifications: Basic Requirements: • Bachelor's degree in Computer Science or related field plus 2-4 years of professional experience as a Systems Administrator or in a similar technical role. • CompTIA Security+ certification required. • Strong Linux expertise and familiarity with infrastructure management best practices. • 2+ years of experience More ❯