1 to 25 of 99 Linux Administrator Jobs

Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux and Windows operating systems. Key Responsibilities: System Administration: Install … configure, and maintain Linux and Windows servers. Perform routine system monitoring, analysis, and troubleshooting to ensure optimal system performance. Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications. Security Management: Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches. Conduct regular security audits, vulnerability assessments, and implement … PowerShell to automate routine tasks, streamline processes, and improve system efficiency. Create and update documentation for scripts, configurations, and procedures. User Support: Provide technical support to end-users for Linux and Windows-related issues. Collaborate with the helpdesk team to resolve escalated support tickets in a timely manner. Monitoring and Performance Tuning: Implement and maintain monitoring solutions to proactively More ❯

Linux Systems Administrator 3 Months Remote Worker Market Rate via Umbrella Main Responsibilities: Co-ownership of the Linux based Production and QA environments including administration, configuration, maintenance and patching of all servers using industry best practices. Timely completion of multiple, concurrent tasks with careful organisation and planning. This includes both scheduled work (releases, service packs) and ad … hoc work (server patching, change requests, priority fixes, etc). Working closely within the Senior Linux Administrator and Software Development team to improve the deployment process, including the automation of software deployment and server build and configuration. Drive and action any external security alerts. Assist identifying and mitigating current security threats to comply with our security standards across … Windows SysAdmin and internal IT support responsibilities during holidays and absences. Helping schedule infrastructure changes, software deployments, patching etc. out of normal business hours. Essential Skills: Proven experience of Linux server administration (Ubuntu 14, Debian 8, RHEL/CentOS 7). Proven experience of MySQL/MariaDB database configuration, management, maintenance and fault diagnosis. Experience with Linux server 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/SCI CCA Poly with further polygraph testing. … s degree in technical discipline 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 of Ansible and Puppet Experience More ❯

support final solution(s). Participate in frequent internal engineering and strategy team meetings. Build direct customer relationships to improve organizational feedback loop. Required Skills: Extensive RedHat (RHEL), CentOs Linux, and/or UNIX experience. Experience managing NiFi data flows. Experience with VMWare or associate technologies (ESX, NSX, VSAN, KVM, Nutanix or other). Ansible or other automation platform …/methodology experience. System scanning/hardening - STIGS/CIS Compliance. Proficiency installing, hardening, patching, and backup/restoration of Linux systems. Understanding of system monitoring, health/status, and best practice security methodologies. Familiarity with Windows Server environments Desired Skills: Docker, Kubernetes, and AWS familiarity. Understanding of Active Directory or FreeIPA. Familiarity with nginx, HAProxy, or other load … Python experience. Familiarity with Git/GitLab. Storage Technology experience including hyper converged, SAN, or IP based storage. Past experience supporting managed attribution programs. RHCSA (Red Hat Certified System Administrator) and/or RHCE (Red Hat Certified Engineer) certification. Experience/Education: 9 yrs. experience in System Administration Clearance: TS/SCI clearance with polygraph is required. Total Compensation More ❯

Howdens Joinery have a fantastic opportunity to join our Infrastructure department as a new Systems Administrator. You will support and maintain the Linux platforms running on IBM Power-VM and VMWare ESXi virtualisation layers. A permanent opportunity based from our office on Brackmills in Northampton with flexibility to work from home 1 day a week. What you will be … doing - Installation, configuration, documentation and ongoing maintenance of Linux servers, and any underlying management platforms, as per any build or compliance policies - Proactively monitor and report on the capacity and performance of Howdens platforms. - Participate in and, where required, lead in IS projects providing expert support and guidance in delivering solutions to meet business needs. - Provide detailed 2nd/… 3rd level design and documentation in support of Linux and IBM-Power platforms - Ensuring system availability, resolving any service effecting issues and escalating as appropriate - Ensure projects and introduction of new Mid-Range platforms are delivered in a timely and cost effective manner. - Ensures adoption of best practise for Linux platforms and any underlying hardware to satisfy capacity More ❯

Howdens Joinery have a fantastic opportunity to join our Infrastructure department as a new Systems Administrator. You will support and maintain the Linux platforms running on IBM Power-VM and VMWare ESXi virtualisation layers. A permanent opportunity based from our office on Brackmills in Northampton with flexibility to work from home 1 day a week. What you will be … doing - Installation, configuration, documentation and ongoing maintenance of Linux servers, and any underlying management platforms, as per any build or compliance policies - Proactively monitor and report on the capacity and performance of Howdens platforms. - Participate in and, where required, lead in IS projects providing expert support and guidance in delivering solutions to meet business needs. - Provide detailed 2nd/… 3rd level design and documentation in support of Linux and IBM-Power platforms - Ensuring system availability, resolving any service effecting issues and escalating as appropriate - Ensure projects and introduction of new Mid-Range platforms are delivered in a timely and cost effective manner. - Ensures adoption of best practise for Linux platforms and any underlying hardware to satisfy capacity More ❯

SYSTEM ADMINISTRATOR LINUX-WINDOWS SAIC has an immediate need for a BMC3 Systems Administrator Analyst with Linux full stack development experience. We are looking for an innovative and motivated individual at an SAIC facility in Huntsville, AL to help plan and execute testing, training, maintenance, and operate the BMC3 ground simulation test lab hardware. Candidates must … security measures called out in the security plan to include timely scans of network resources and software patches. Provide effective provisioning, installation/configuration, operation, and maintenance of production Linux Servers in a VMWare Virtualized Environment. Apply DISA STIG compliance controls to secure systems. Responsible for daily system monitoring, security, server health, resources and log management of Linux and Windows Server systems. Troubleshooting and performing root cause analysis. This includes troubleshooting all issues with system configurations, backups, files systems, and user access. Support Linux platforms hosting applications, operations and sustainment systems, and ACAS and other security tools. Interface with engineers, systems engineers, and subject matter experts. Troubleshoot hardware, networking, and software problems in multi-node environment. More ❯

This is an excellent opportunity for Linux Administration to be part of leading-edge technology projects. Cognizant’s Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration services to help our clients … solving skills to support infrastructure and application reliability. Recommend and implement industry best practices in infrastructure projects, ensuring alignment with business goals and compliance standards. Technical Skills and Requirements Linux Proficiency: Strong hands-on experience with Red Hat Enterprise Linux (RHEL) Operating System and cluster environments (e.g., VCS Infoscale). DevOps & Automation: Proficient in using tools such as … performing integration using tools such as MuleSoft or Postman. Configuration Management: Capable of developing and integrating Ansible playbooks for automated provisioning and deployment processes. Preferred Skills Relevant certifications in Linux (RHCE), DevOps, VMware, or Cloud platforms (AWS/Azure). Relevant experience in infrastructure management or DevOps engineering roles. At Cognizant you will experience an exciting mix of innovation 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/active polygraph This position is open to multiple levels … operating system software, troubleshoot, maintain 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 pay range for this job … premium • Employer paid Life insurance 100% • 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 vesting (after 90 days More ❯

Job Purpose The Trusted Research Environment (TRE) Systems Administrator is a key member of the College of Medical, Veterinary & Life Sciences (MVLS) Service team responsible for providing and supporting the Unit's IT Infrastructure. The postholder will be primarily responsible for managing and maintaining the physical and virtual Linux and Windows Server core infrastructure and responsible for systems … administration, user support, and development. Main Duties and responsibilities 1. Perform daily operations and maintenance tasks for Windows and Linux systems supporting TRE in a secure enterprise environment, ensuring high availability and performance of research services and infrastructure. 2. Manage TRE server infrastructure including liaising with Vendor Support (e.g., Dell, Broadcom, DataVita, Vyatta), Network Connectivity (University Information Services/… to the creation, maintenance, and refinement of procedural documentation for key operational tasks 5. Interpret and adhere to procedural documentation for executing operational tasks related to both Windows and Linux operating systems, ensuring consistency, compliance, and system reliability. 6. Install, test and verify operating system patches, ensuring systems remain compliant and up to date with security and performance requirements. More ❯

Are you a Linux Expert ready to put your skills into action and take part in cutting-edge data security projects ? If so, this opportunity was made for you! Managing and maintaining Linux-based system has never been so simple! Our partner, a Software Company specialized in Data Protection is now hiring a new colleague for his tech … team. As a Linux System Administrator handle system administration tasks, troubleshoot complex issues, and contribute to infrastructure projects. Linux System Administrator - The Role System Administration & Support : Manage Linux servers, monitor performance, troubleshoot issues, and support deployments. Security & Compliance : Apply security best practices, run audits, and ensure policy and regulatory compliance. Automation & Optimization : Automate tasks with … Bash/Python, manage backups, and support system scaling. Collaboration & Documentation : Work with teams, document procedures, and mentor junior members. Linux System Administrator - Your Profile Education & Experience : Bachelor's in IT or equivalent experience, with 3-5+ years as a Linux SysAdmin/Engineer across major distributions (Red Hat a plus). Cloud & Containers : Solid experience More ❯

The Homeland Decision Support Systems Group seeks a System Administrator to be part of a team that supports end-to-end system architectures design, decision support, and advanced analytics to enhance the protection of the homeland and U.S. interests overseas. The group deploys real-time enterprise and edge solutions that support the warfighters at multiple Combatant Commands across the … missions. Balancing complexity, functionality, and time-to-deliver across multiple stakeholder projects is a key skill mix for this position. Responsibilities include but not limited to: •Administer GNU/Linux desktop/server environments, including Red Hat, Ubuntu, and Centos distributions •Administer Microsoft Windows and Apple Macintosh desktop environments, including Win 10 and OS X •Support installation, maintenance, repair … technology and support practices •Maintain regular contact with MIT LL IT and security resources and to rapidly reconfigure systems to report and remediate performance and security issues Skills: Required •Linux Administrator including scripting •Netapp Administrator, setup and troubleshooting •An understanding of network setup at the system level (i.e. IPTables and firewalls) •LDAP proficient administration, setup and maintenance 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/… storage technologies (LVM, RAID, encrypted storage, SAN/NAS, NFS). • Monitor and tune system performance, conduct capacity planning, and allocate mass storage resources. • Install system-wide software, manage administrator/service accounts, and integrate with Active Directory. • Resolve escalated support issues related to system performance, access, and security controls. • Evaluate and integrate third-party vendor solutions; manage vendor More ❯

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-to-virtual conversions and cloud integrations. Implement backup and disaster recovery strategies. Troubleshoot complex system issues and perform root cause analysis … Develop and document scripts for 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) preferred. Experience with containerization technologies More ❯

LINUX SYSTEM ADMINISTRATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking to hire individuals for our Linux System Administrator positions. Candidates should have a preferred minimum of 7+ years as a network engineer or systems admin. … JOB SUMMARY: This position will require a solid understanding of Linux administration as you help design, build and test new systems employed by our customer to support ongoing operations. You will be responsible for maintaining, scheduling and executing software and hardware upgrades, patches and reconfigurations. You will identify and troubleshoot software and hardware issues with workstations and servers. You … will support continuous system monitoring using a variety of tools. REQUIRED SKILLS: • Experience as a Linux Systems Administrator • Understanding of Linux operating systems, specifically Rocky and Ubuntu. • Running and updating repos • Maintaining and updating centralized audit, logging and backups • Experience with cron, iptables, permissions and SELinux • Proficient in at least one scripting language such as Python, Perl More ❯

Duties The Linux System Admin maintains smooth operation of multi-user computer systems, including coordination with network administrators. Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space. Interact with users and evaluate vendor products as well as make recommendations to purchase hardware and software, coordinate installation … related to the use of computing resources. Qualifications Bachelor's degree in a Science, Technology, Engineering or Math discipline Minimum of 2 years of experience with Systems Administration for Linux Operating Systems such as RedHat Enterprise Linux (RHEL) Must have a DOD 8570 IAT Level II certification (ex: Security + CE) Active U.S. DoD Secret Security clearance Desired More ❯

Job Title: System Administrator - Linux Location: Schenectady, NY Clearance: DoE Q or DoD OR Top-Secret clearance Job Type: Contract - Long Term Key Responsibilities • Administer and optimize RedHat Linux systems, OpenShift, VMWare, and Cloudera platforms including authentication, cluster management, user management, monitoring, performance and data management. • Implement and enforce security measures to meet NIST 800-53 standards. … integrate and manage applications and services Required Experience • Bachelor's degree in computer science, Information Technology, or related field, or equivalent experience. • At least five years' experience with RedHat Linux, VMware, and OpenShift cumulative, • At least two years of experience supporting development of information system security authorization packages in accordance with Risk Management Framework (NIST More ❯

Opportunity: IMG is seeking a skilled Linux System Administrator to support our customer's enterprise RedHat Linux environment. This role involves ensuring the stability, security, and performance of these systems while adhering to U.S. government risk management frameworks such as NIST 800-53. the administrator will handle system administration tasks, perform regular updates and security … and Milestone (POA&Ms), Risk Management Framework (RMF) and Risk Based Decisions (RBDs) for deficiencies found during the information system authorization process. Job duties include: Administer and optimize RedHat Linux systems, OpenShift, VMWare, and Cloudera platforms including authentication, cluster management, user management, monitoring, performance and data management. Implement and enforce security measures to meet NIST 800-53 standards. Monitor … required prior to consideration Required Education/Experience: Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience. At least five years' experience with RedHat Linux, VMware, and OpenShift cumulative At least two years of experience supporting development of information system security authorization packages in accordance with Risk Management Framework (NIST More ❯

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 processing, automated build and test, packaging, and package distribution. Tasks supporting the development … representing and advocating for Group 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 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 integrating GNU/Linux in an environment where Microsoft Windows in the dominant client operating More ❯

Linux Administrator (DV Security Clearance) Position Description CGI's Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government agencies. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently … seeking a Linux Admin to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme … the journey from Isolated and zone based networks to "Zero Trust Implementation" Required qualifications to be successful in this role Minimum 2 years of hands-on experience as a Linux Systems Administrator, with proven expertise in managing and maintaining enterprise-grade Linux environments (e.g., Red Hat, CentOS, Ubuntu). Strong knowledge of Linux command-line utilities More ❯

Linux System Administrator - FULLSCOPE POLYGRAPH REQUIRED Job responsibilities will include, but not be limited to, the following: • Perform as a Linux System Administrator on large government contracts. • Perform administration on VMware technologies (or related) • Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end … Security team. Basic Qualifications: • Candidate must have active/current Top Secret/SCI clearance with adjudicated Full Scope Polygraph to be considered • Must have server administration experience with Linux (RedHat Enterprise Linux is preferred) • Must have a DOD 8570 IAT Level 2 baseline certification (example: Security+ CE, CISSP) • Ability to lift equipment weighing up to 40 pounds. … Ability to support after hours and on weekends as needed. Preferred Qualifications : • Higher degree in a STEM-related discipline • Security+ CE • 5+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG More ❯

TENAX Technologies is currently seeking a Linux System Administrator to provide technical support at Aberdeen Proving Ground. The Linux System Administrator will provide high-level service to end-users while troubleshooting advanced hardware, software, and network issues for the Army Research Lab, which operates 24/7/365. The ideal candidate must possess excellent customer … service skills and the ability to effectively communicate technical information to non-technical users. Key Responsibilities: Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service at the Service Desk. Manage, coordinate, and implement software upgrades, patches on workstations. Integrate new hardware and software into existing infrastructure. Collaborate with other teams and team members to … security incident reporting, vulnerability assessments, and information assurance compliance scans. Maintain system evaluations and certifications. Facilitate the creation and maintenance of Identity and Device Management Provide platform administration for Linux based applications. Provide input on ways to improve the stability, security, efficiency, and scalability of the environment. Maintain best practices on managing systems and services across all environments. Requirements More ❯

Linux Systems Administrator – Hybrid working (2 days in office/3 days from home) Paying an attractive salary + fantastic benefits including bonus (averagely 20%), BUPA health insurance, 4 x salary life assurance, season ticket loan, excellent pension scheme, sponsorship for relevant qualifications, 25 days holiday plus ability to buy & sell, plus more This is an opportunity to … year-on-year growth, is a genuine market leader in the financial services software industry and one who cares about the development of its staff. In this role of Linux Systems Administrator, you will have the chance to work with varied technology in a pro opensource organisation during a period of IT transformation. They are looking for an … experienced Systems Administrator with a strong Linux skill set to join an innovative and growing team, who also have a number of exciting projects upcoming as part of a wider business change programme. Main responsibilities: Helping the IT Operations Manager to maintain the operations of the company server systems, networking infrastructure and communications. Design, installation, upgrading, operation, control More ❯

Senior Linux AWS Systems Administrator Location: Aurora, CO Required: TS/SCI w/Poly W2 hourly Contract to Hire Only Pay: $60.00 to $80.00/hr. D.O.E. Based on the benefits chosen No C2C, we can NOT work with outside agencies/vendors, and we can NOT do 1099-US TS/SCI w/Poly CLEARANCE … IS REQUIRED Geologics is seeking a Software Engineer with a TS/SCI w/Poly and a DoD 8570 IAT Level 2 Certification. Experienced with administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening. Deploying and administration of systems in Amazon … higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Deployment and administration of systems in Amazon More ❯

TEKsystems seeks a Linux Administrator to join our growing team in Dahlgren, VA. Working as part of a team, administer and manage servers and end-user workstations in both unclassified and classified network environments on a Research, Development, Test and Evaluation (RDT&E) Program. Pay: $90-110k Essential responsibilities of the Linux Administrator include, but … are not limited to: • Utilize Red Hat Enterprise Linux system administration experience to provide technical problem solving and in-depth consulting relative to system operations. • Automate installation methods and system imaging (e.g. Kickstart/Ansible). • Use cryptographic experience to set up public key infrastructure (PKI) to create, manage, distribute, use, store, and revoke digital certificates and manage public … services, including HTTP/HTTPS, DNS, SMTP, SSH and NTP Requirements: - IAT Level II Cert and Interim or Active Secret Clearance -Minimum 2 years' experience in system administration of Linux-based servers and Windows Servers (2016). Preferred Qualifications: - Have knowledge of corporate services including: DNS, SMTP, RHEV, Splunk, Apache. - Demonstrated experience managing the installation and maintenance of IT More ❯