76 to 100 of 175 Linux Administrator Jobs

Job Description: The Linux/UNIX System Administrator will manage and maintain AFTAC's Linux-based systems, ensuring optimal performance, security, and reliability. This role will involve managing system resources, performing proactive system maintenance, handling troubleshooting tasks, and supporting cloud-based Linux environments. The administrator will also provide training and guidance to junior staff and assist in system migrations. Key Responsibilities: Administer Linux/UNIX-based systems, including RedHat and Solaris, ensuring smooth day-to-day operations. Perform proactive space management, scalability improvements, and implement high-availability strategies. Support system migrations, including physical … automation of administrative tasks. Assist in the development of IT infrastructure replacement plans and hardware refresh cycles. Required Qualifications: 5+ years of experience in Linux/UNIX system administration. Strong knowledge of RedHat 7.x, Solaris, and other Linux variants. Certifications: Security+ required, RHCSA, RHCE (Red Hat Certified Engineer More ❯

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 requirements. Infrastructure may include support for system provisioning, updating, configuration management, compliance reporting, data storage and … needs 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 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 materials to explain and advocate for a desired solution. Experience More ❯

A Global Government Contracting Company is seeking a Cleared Linux System Administrator to join their team in Sunnyvale, CA! This role is 100% onsite and Secret clearance is required with the ability to obtain TS. Must also have current Sec+ Cert. Looking for E2 and E3 levels (E2 … years experience or equivalent. E3 - advanced degree and 7+ years experience or bachelors with 9+ years experience or equivalent) Responsibilities: • Administer, maintain, and optimize Linux systems in physical, virtual, and containerized environments • Automate system provisioning and configuration using Ansible • Deploy, manage, and troubleshoot containerized applications (Docker, Kubernetes, OpenShift) • Ensure … system performance, respond to incidents, and proactively resolve issues • Create and maintain clear documentation for system configurations and procedures Required Qualifications: • 3+ years of Linux system administration experience • Strong experience with Ansible for infrastructure automation • Hands-on experience with Docker and Kubernetes-based container environments • Familiarity with OpenShift or More ❯

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. Deploy and 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, system configurations, and operational More ❯

Job Type Full-time Description SSI is seeking a Linux System Administrator to join a team of administrators with standard Linux system administration duties at the US Army Engineer Research and Development Center (ERDC) in Vicksburg, Mississippi. Position requires work onsite in Vicksburg, MS. Relocation assistance package … available. DUTIES AND RESPONSIBILITIES: Perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines, and GP/GPU cluster-based systems. Coordination with network administrators required. Additional duties are: Setting up … administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space. Developing and monitoring policies and standards for allocation related to the use of computing resources. Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems 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 … from an accredited college or university is required. 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 More ❯

Title: Linux System Administrator Location: Fully On-Site, Naval Base in Dahlgren, Virginia Clearance Required: Top Secret Certification Needed: Security+ Top Skills Required: -IAT Level II Cert and Active Top Secret Clearance -Minimum 4 years' experience in system administration of Linux-based servers -Red Hat Enterprise Linux More ❯

and 400 servers under its care, this is a firm that has experienced remarkable growth in recent years and is now seeking a Lead Linux System Administrator to become a vital part of their team. In this role, you will play a pivotal role in the build, scale … and maintenance of Linux server stability during high uptime and ensuring top-notch service levels. Your responsibilities extend to: Leading system design decisions Overseeing technical implementations Providing mentorship to junior team members Collaborating with stakeholders to understand project requirements Making an impact across various aspects of the business As … the resident Linux expert, you will be the person at which the buck stops, exhibiting knowledge with automation, Ceph, cPanel, and Proxmox. Furthermore, you will have the opportunity to further develop your skills through the exploration of emerging technologies. You'll work in an office-based environment situated in More ❯

joining a team 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 … of the qualities a successful candidate will have. Your day-to-day activities will involve the following; Build, configure, administer, and troubleshoot Windows (and Linux) servers and user workstation hardware and software; design and implement workgroup-scale networks; build and manage authentication, file-share, and other collaboration servers to … preference will be given to candidates who hold this certificate. Minimum of High School Diploma with 6 or more years of relevant IT System Administrator experience Experience with centralized authentication technologies such as LDAP and Active Directory domains in supporting (Windows/Linux) cross-platform clients with more More ❯

Linux, Windows, UNIX, RHEL, Kali, Solaris, Ubuntu, CentOS, Debian, Fedora, Red Hat, Security+ Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen Must have TS/SCI clearance w … integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Nice-to-have: Experience (combined) with Unix, Linux Scripting experience with any C, Perl, BASH, Python or Bourne Shell AWS or Azure is a plus $100,000 - $195,000 a year The … Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. • 401(k) with company match up to 5% with 100% immediate More ❯

Zachary Piper Solutions is seeking an AWS Systems Administrator to join a government partner of ours located in San Antonio, TX. The AWS Systems Administrator will be responsible for administration and support of a Linux based environment supporting a Cloud technologies. The candidate will also need to … be RHEL Certified and hold an active DoD TS/SCI clearance. Responsibilities of the AWS Systems Administrator role include: Experience deploying, managing, and operating workloads on AWS Systems Administration experience with both Microsoft and Linux platforms. Specific S ystem Administration and support of development and test teams … in AWS with an understanding of Kubernetes and traditional RHEL servers. System Administration support and management Amazon EKS Required Qualifications for the AWS Systems Administrator include: 10+ Years of Experience RHEL Certification required Experience with RHEL, AWS, EKS, Kubernetes, Windows required TS/SCI Clearance Compensation for the Systems More ❯

through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities 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 … 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 SA and Engineering team in … of: Hardware and software Computing and data storage servers Networking equipment Computing peripherals Provide responsive backup management, security issues, set up and configuration of Linux servers and software. Perform timely hardware replacement not covered by third-party vendor maintenance agreements. Assist Network personnel in configuration of networking equipment, ensuring More ❯

R- Description The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime … development and support of underwater data acquisition and telemetry systems for distributed sensors used in platform signature measurement. Key Responsibilities: • Install, configure, and maintain Linux-based servers and systems (RedHat, CentOS, Ubuntu, etc.). • Manage system performance, monitoring, backups, and troubleshooting. • Ensure system security by configuring firewalls, SSL, VPNs … clearance. Preferred Qualifications • Knowledge of the Navy RMF process, including security categorization, risk assessments, continuous monitoring, and ATO. • Red Hat Certified Engineer (RHCE) or Linux Professional Institute Certification (LPIC-2). • CompTIA Linux+. • CompTIA Security+. Original Posting: April 16, 2025 For U.S. Positions: While subject to change based on More ❯

R- Description The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Linux System Administrator IV - Server for a new customer on a strategic High-Performance Computing (HPC) program. The Senior System Administrator will need to be a self-starter with excellent analytical … time, and mentor junior staff members. Strategize and supervise extensive security protocols, utilizing Tenable Nessus for comprehensive vulnerability assessments and proactive security enhancements on Linux and Windows platforms. Govern account and access management landscapes using Centrify an Active Directory, ensuring stringent security compliance and efficient user privilege orchestration. Innovate … for comprehensive system monitoring and analytics. Skills in automation shell scripting, automation, streamlining, and system configuration using tools like Salt and Ansible. Experience with Linux provisioning server tools such as Kickstart and Cobbler to facilitate the automation of network-based system installations of multiple computer operating systems. Preferred Qualifications More ❯

The Engineering Division's System Administration Team requires a Linux Systems Administrator to define and implement Linux software infrastructure supporting autonomous systems and robotics research performed by the Control & Autonomous Systems Engineering Group. Additionally, the Systems Architect will support wider Division-level system administration activities. The Control … borne laser radars, laser and microwave communications systems, and imaging sensors; and robotics development for a variety of unmanned vehicle applications. THIS IS A LINUX SYS ADMIN ROLE The successful candidate will establish, extend, and maintain infrastructure supporting Linux-based development tailored for Group needs and client requirements. … needs 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 Laboratory More ❯

System Administrator - Red Hat Enterprise Linux (SAL) Level 2 Position Summary DarkStar Intelligence seeks a highly skilled System Administrator - Red Hat Enterprise Linux (SAL) Level 2 to support mission-critical IT infrastructure. The selected candidate will be responsible for administering, maintaining, and optimizing Red Hat Enterprise … Linux (RHEL)-based systems in a secure, high-performance computing environment. This role involves installing, configuring, troubleshooting, and ensuring the stability and security of Linux-based IT systems. Location: Annapolis Junction, MD Schedule (FT/PT): Full-Time Travel Required: No Shift: Day Remote Type: None/On … Site Security Clearance: Current TS/SCI Polygraph: Required Primary Duties and Responsibilities Provide support for the implementation and operation of Red Hat Enterprise Linux-based Information Technology (IT) systems. Install and configure Linux-based operating systems and their services according to provided specifications. Conduct day-to-day More ❯

Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, troubleshooting and maintenance of InformationTechnology (IT) systems for critical enterprise applications. This position will report on site to Annapolis Junction, MD and requires a TS/SCI w … you need to have An Active TS/SCI with Polygraph. A bachelor's degree and ten (10) years of experience as a system administrator on programs of similar scope and complexity is required. In lieu of a bachelor's degree fifteen (15) years of experience required. In depth … Linux experience. Familiarity with PowerShell and Bash scripting languages. Experience with system hardening. Experience working with ISSOs for system compliance. DoD 8570 compliance with Information Assurance Technical (IAT) Level I is required. Experience with Linux, AWS, Atlassian Tool Suite What we'd like you to have Familiarity with More ❯

Location: CA220: 2202 E El Segundo Blvd BldgE East El Segundo Boulevard Building E02, El Segundo, CA, 90245 USA Position Role Type: Onsite Principal Linux Systems Administrator- El Segundo, CA -Must have a TS/SCI active clearance required,100% onsite, we offer relocation! At Raytheon, the foundation … s mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. Principal System Administrator in infrastructure Workplace Services, collaborate with a team to support fast-paced, critical programs with classified information system capabilities. Success in this role means … and create end-to-end solutions to solve complex IT infrastructure problems. Responsibilities to Anticipate : Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows environment. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a More ❯

ClearanceJobs is assisting our Colorado Springs client with their search for a Linux Systems Administrator for an onsite position at Schriever Space Force Base in Colorado Springs. This is an exciting opportunity to work with the Cyber Security team performing STIG checks, addressing deficiencies, remediating findings and hardening … The successful candidate will have a CompTIA Security+ or equivalent certification. A minimum of an active Secret Security Clearance is required. Responsibilities: The Systems Administrator primary duties include installing, troubleshooting, updating, patching, and maintenance of physical and virtualized environments & IT infrastructure. Responsible for administering and configuring Red Hat Enterprise … Linux Provide support for hardware and software issues, data recovery, system upgrades, software upgrades, configuration issues, system installation and relocation. Configure and maintain networking hardware, including switches, routers and firewalls Qualifications: Bachelor's degree with 2 years of experience, or 6 years of experience in lieu of degree Experience More ❯

United States of America Location: AL200: 401 Jan Davis Drive Huntsville 401 Jan Davis Drive , Huntsville, AL, 35806 USA Position Role Type: Onsite Principal Linux Systems Administrator- 100% onsite, Huntsville, AL. Must have a current active secret clearance, we offer relocation! About US: At Raytheon, the foundation of … end solutions to solve complex IT infrastructure problems. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Lead and coordinate the Red Hat Installation and configuration. Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software … related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support Understanding and knowledge of Windows More ❯

ClearanceJobs is assisting our Colorado Springs client with their search for a Linux Systems Administrator for an onsite position at Schriever Space Force Base in Colorado Springs. This is an exciting opportunity to work with the Cyber Security team performing STIG checks, addressing deficiencies, remediating findings and hardening … The successful candidate will have a CompTIA Security+ or equivalent certification. A minimum of an active Secret Security Clearance is required. Responsibilities: The Systems Administrator primary duties include installing, troubleshooting, updating, patching, and maintenance of physical and virtualized environments & IT infrastructure. • Responsible for administering and configuring Red Hat Enterprise … Linux • Provide support for hardware and software issues, data recovery, system upgrades, software upgrades, configuration issues, system installation and relocation. • Configure and maintain networking hardware, including switches, routers and firewalls Qualifications: • Bachelor's degree with 2 years of experience, or 6 years of experience in lieu of degree • Experience More ❯

We are seeking an experienced Linux Systems Administrator to join our international IT team, supporting and maintaining critical infrastructure across Northern Europe. In this role, you will be responsible for system installation, maintenance, troubleshooting, and support in a dynamic, global environment. This is an exciting opportunity to work … with cutting-edge Linux systems in a global environment. If you're passionate about technology and problem-solving, apply today! This is an exciting opportunity to work with cutting-edge Linux systems in a global environment. If you're passionate about technology and problem-solving, apply today! What … Career development & training opportunities Key Responsibilities: Ensure maximum system uptime and performance as part of an international IT team Install, configure, and maintain enterprise Linux servers and related infrastructure Monitor system and database performance, applying updates and proactive maintenance Provide 1st and 2nd line support for internal teams and More ❯

Role: Github Administrator Location: Suitland, MD Job type: Contract to hire Responsibilities : Our clients, is seeking a GitHub Administrator who will participate in driving the adoption, maintenance, and full lifecycle support for an enterprise with a growing GitHub development community. Administer GitHub, including but not limited to, setting … and holding a Bachelor s Degree Experience with supporting GitHub at an enterprise level across numerous project teams Experience with installing and configuring from Linux root, administering GitHub from Admin GUI, and troubleshooting performance and user access issues More ❯

Praescient Analytics is seeking a Linux Systems Administratort o join our diverse team at our Herndon, VA, office to support one of our Intelligence contracts. The candidate will work within a cross-functional Agile Scrum team as a jack-of-all-trades, maintaining applications running in Kubernetes, working as … a Linux systems administrator, and working with the Information Assurance team to maintain systems documentation. This position is 100% on-site. Required Qualifications: • 5 years deploying and maintaining systems running on Linux or other UNIX-like systems - including at least 2 years of Linux • 5 years More ❯

Amentum is currently seeking a Linux Systems Administrator to support an IT Managed Services program in Albuquerque, New Mexico. The overall program includes a 500+ work force performing Enterprise IT support, Service Desk, and Telecommunications support across multiple facilities and locations, for classified and unclassified telecommunications and information … matter expert support, and application-level software and tools to the scientific and engineering communities. As a member of the team, you will: Perform Linux Administration duties Support incident escalations requiring considerable judgement and initiative to resolve technical issues affecting hardware, operating systems, or applications. Work with vendors or … able to obtain a DOE Q (TOP SECRET) clearance. Note: US Citizenship is required to obtain a TOP SECRET (TS) or DOE Q Clearance. Linux (RedHat or Ubuntu) and are capable of OS installation, network configuration, and package/patch management. Experience with creating, running, and managing Ansible playbooks. More ❯