826 to 850 of 4,689 Permanent Linux Jobs

Founded in 2009, RSC2, Inc. is a Small Business Administration (SBA) Certified HUBZone Professional Services company headquartered in Baltimore, Maryland. RSC2 provides breakthrough expertise, support services, and technologies to make operations, programs and systems of record perform better. Our professional More ❯

Job Type Full-time Description Founded in 2009, RSC2, Inc. is a Small Business Administration (SBA) Certified HUBZone Professional Services company headquartered in Baltimore, Maryland. RSC2 provides breakthrough expertise, support services, and technologies to make operations, programs and systems of More ❯

Overview i3 is searching for a Cloud Engineer to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. The mission is to design and implement a Missile Defense System with multiple layers of protection. The Cloud Engineer More ❯

This is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. All work must be conducted within the continental U.S. Who we are: Raft () is a customer-obsessed non-traditional small More ❯

Server Administration: a. Install, configure, and maintain Linux servers, ensuring high availability and performance. b. Perform system upgrades, patch management, and security enhancements. (Satellite) c. Troubleshoot and resolve server-related issues promptly to minimize downtime. d. Creating "golden" system images e. Install and configure Linux OS using Satellite or CD f. Container setup and deployment g. Container administration h. Building … team to back up the OSs b. Work with the monitoring team to setup up alerting for the Oss 6. Containerization: a. Maintain containered environments b. Migrate applications to Linux containers 7. Documentation a. Maintain accurate and up-to-date documentation of system configurations and procedures. b. act on and document fix in tickets. Required Skills No of year Experience … Red Hat Linux Experience -Shell Scripting -Experience writing Ansible playbooks -Experience with VMWare -Working Knowledge of: -ServiceNow Ticketing -Git Server -Cloud (Azure/AWS More ❯

Linux Software Engineer L1 KBX - TS/SCI Poly required Annapolis Junction, MD Apply Now Work in an environment where you can design the architecture and develop solutions to meet the organization's needs while enhancing your skillset and advancing your career. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a … hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on multiple networks, in multiple architectures. The ideal candidate will have hands-on Python scripting experience, Linux administration experience, knowledge of AWS Cloud technologies are a plus. Candidate must work well in a small team setting, have a desire to automate processes where possible, and a willingness to think … outside the box to find solutions. Linux Software Engineer L1 opportunity: Seven (7) years experience as a SWE, in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes More ❯

Zachary Piper Solutions is seeking a Senior Systems Administrator (Linux/Windows) to join a Government Consulting company located in Annapolis Junction, MD; Fairfax, VA; El Segundo, CA; or Tukwila, WA through a 100% on-site work environment. The Senior Systems Administrator will support a mission-critical, multi-site IT infrastructure for a classified customer, focusing on secure system administration … patching, virtualization, and application support across Linux and Windows environments. Responsibilities: Deploy, configure, and maintain Linux and Windows systems in secure lab environments. Perform system patching, vulnerability scanning (e.g., Tenable), and remediation. Support application integration, development, and troubleshooting across virtualized environments. Manage system transitions, including VM provisioning and application deployment. Ensure compliance with RMF/JSIG standards and support IA … or Bash. Provide Tier II support and escalate issues as needed. Qualifications: 9+ years of experience in IT systems administration within classified or lab/test environments. Proficiency in Linux (RHEL) and Windows Server/Desktop administration: ability to stand up servers independently. Experience with VMware, Active Directory, GPOs, and scripting (PowerShell/Bash). Familiarity with patch management, Tenable More ❯

Zachary Piper Solutions is seeking a Senior Systems Administrator (Linux/Windows) to join a Government Consulting company located in Annapolis Junction, MD; Fairfax, VA; El Segundo, CA; or Tukwila, WA through a 100% on-site work environment. The Senior Systems Administrator will support a mission-critical, multi-site IT infrastructure for a classified customer, focusing on secure system administration … patching, virtualization, and application support across Linux and Windows environments. Responsibilities: Deploy, configure, and maintain Linux and Windows systems in secure lab environments. Perform system patching, vulnerability scanning (e.g., Tenable), and remediation. Support application integration, development, and troubleshooting across virtualized environments. Manage system transitions, including VM provisioning and application deployment. Ensure compliance with RMF/JSIG standards and support IA … or Bash. Provide Tier II support and escalate issues as needed. Qualifications: 9+ years of experience in IT systems administration within classified or lab/test environments. Proficiency in Linux (RHEL) and Windows Server/Desktop administration: ability to stand up servers independently. Experience with VMware, Active Directory, GPOs, and scripting (PowerShell/Bash). Familiarity with patch management, Tenable More ❯

Linux Systems Engineer A Linux Systems Engineer is responsible for building and automating performant and resilient infrastructure that our business depends on. In this role you will have the opportunity to contribute to one or more areas including (but not limited to) better automating our virtualized infrastructure and supporting a containerized infrastructure. To support our team, you will need to … including nights/weekends. Required Skills and Qualifications 5+ years of Systems Engineer or similar experience TS SCI CI POLY required at the time of hire. Advanced understanding of Linux Advanced knowledge, including 4+ years of experience, in one or more of the following areas: Kubernetes Infrastructure as Code, specifically managing Salt or Ansible Experience working with automation tools such More ❯

Qualifications: We are seeking an experienced Linux System Administrator to work closely with the MRSL IT team, our customers, and remote site teams. This administrator will collaborate with cross-functional teams to develop practical, effective solutions for a range of technical issues. This is an excellent opportunity to join a focused, dedicated, and employee-owned company. The ideal candidate will … identifies and addresses potential issues before they arise. • Follow supervisor guidance on methods, techniques, and approaches while also designing proactive solutions to meet customer challenges. Requirements: • Advanced knowledge of Linux (RHEL and Rocky versions 8, 9, and 10) • Current CompTIA Security+ certification (or equivalent). • B.S. degree or equivalent years of relevant experience. • Minimum of 5 years of system administration More ❯

We are seeking an experienced Linux System Administrator who will work closely with the IT Group, customer, and remote site teams. This system administrator will utilize diverse but conventional methods or approaches in order to solve problems of intermediate complexity. This is an opportunity to join a focused and dedicated employee-owned company. We are looking for someone who can … asked to perform other duties as assigned. • B.S. degree or equivalent years of experience. • 5 years minimum experience desired. • Must have CompTIA Security+ certification or equivalent. • Advanced knowledge of Linux (RHEL, and Rocky), AWS Cloud proficiency, Docker containerization and deployment. • TS/SCI active clearance required. You must meet eligibility requirements for access to classified information. U.S. Citizenship required. You … should be a Linux System Administrator that has in-depth expertise and experience with acquiring, configuring, and maintaining computer servers, operating systems, networks and network file systems. Skills include knowledge of coding, networking, problem-solving, and cloud computing. Tasks may include upgrading, installing and configuring applications software and computer hardware; troubleshooting and providing technical support to users; creating and managing 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 … field. • Minimum of 7 years of experience administering RHEL 7/8 systems in an enterprise setting. • At least 5 years of experience using Red Hat Satellite to manage Linux environments. • Proficiency with scripting languages (i.e., bash/shell, Python, and Perl). • Strong troubleshooting skills including knowledge of Linux boot processes, Kickstart, systemd, kernel tuning, and system diagnostics. • Experience More ❯

Senior C++ Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing technology … join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ development experience on Linux or UNIX, C++14 and above You have good SQL skills You're a passionate technologist who is motivated by working on cutting-edge systems and engineering complex solutions You're … Pension (to 9% contribution) Healthcare Volunteer/charity days Hybrid working Career development and training Apply now to find out more about this Senior C++ Software Engineer/Developer (Linux SQL C++17) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose 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 (3.5% + 3.5 … 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, shell scripting (Bash, etc. More ❯

Linux Systems Engineer TS/SCI Clearance is required Herndon, VA - ONSITE ALTA ITS is seeking a Linux Systems Engineer (Tier ll) to work for a government contractor in the Herndon, VA area. This is an exciting opportunity to bring your skills to the table and learn new skills. This position is a part of a US-based operations team … systems automation capabilities to improve overall operational effectiveness and performance. Core Qualifications: • Active or current TS/SCI • Ability to support short-term international travel. • 3-5 years of Linux/Unix system administration experience. • 2+ years of direct experience in either or all systems design & architecture, integration & testing, data analysis, and capability development. • Bachelor's degree in computer science … switching. • Experience with analyzing logs, stack traces, debug libraries, software/hardware. • Possesses an understanding of Python, Bash, SQL databases. • Create installation guides and as-built documentation. • Experience with Linux firewall and VPN configuration System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We More ❯

collaboration capabilities on the IC system domains to the IC and its partners in Defense, Homeland Security, Foreign Affairs, and Law Enforcement. AT&T has an opening for a Linux Administrator to support Public Sector Solutions. Description of Job Duties/Responsibilities: Work in an environment where you can design the architecture and develop solutions to meet the organization's … needs while enhancing your skillset and advancing your career. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on multiple networks, in multiple architectures. The ideal candidate will have hands-on Linux administration experience, knowledge of AWS Cloud technologies, works … well in a small team setting, has a desire to automate processes where possible, and a willingness to think outside the box to find solutions. Required skills: Experience performing Linux server administration tasks including configuring, patching, monitoring, trouble shooting, etc. Experienced with one or more of the following scripting languages: Python Perl Bash PowerShell Experience with automating repetitive tasks with 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 sensors, supporting information technology and engineering services for complex maritime applications, and … the 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, and applying patches and updates. • Collaborate with the engineering teams … SCI clearance. Currently hold Secret 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 business needs, Leidos reasonably anticipates that More ❯

Job description Immersive Wisdom, provider of a leading remote collaborative ops center platform for DDIL environments, is seeking a Ft. Liberty, NC-based Cleared Linux Support Administrator (Existing DoD TS/SCI Security Clearance Required) to join our growing organization. You will be responsible for supporting networking services and cloud architecture for real-time, distributed systems. You will be responsible … Experience with EC2, IAM roles, EBS storage, S3 storage, AWS CLI and AWS Lambda. Experience with Kubernetes and how to maintain and scale services. Ability to navigate and administrate Linux systems. Experience with CI/CD tools and platforms such as Jenkins, TravisCI, Azure DevOps, AWS Beanstalk. Profiling memory, CPU and network traffic. Experience with CI/CD methodologies and More ❯

troubleshooting OpenShift Clusters Architecting OpenShift to align with application requirements, including compute, storage, networking, and operations Performing OpenShift cluster upgrades and applying necessary security patches Administering Red Hat Enterprise Linux (RHEL) systems Managing and troubleshooting container orchestration and Kubernetes networking (DNS, load balancers, service IPs, node ports, etc.) Developing system specifications that align with government architecture standards Documenting system parameters … with GitLab CI/CD and DevSecOps implementations on OpenShift Bachelor's degree or equivalent experience, with 10+ years of related work 5+ years of experience administering RHEL/Linux Security+ certification or DoD 8570 Level II equivalent (required within 90 days of hire) Preferred Experience: NetApp storage management Cisco switch and networking management VMware ESXi virtual machine administration RHEL More ❯

IT) systems - Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices - Patch and harden Linux RedHat OS and works with Security personnel to protect against Cyber Threats - This assignment will be an expat assignment for a duration of 6-12 months and require a TS … degree from an accredited college with 2 years of professional experience; or no professional experience with a Masters degree; or equivalent experience/combined education. - Advanced professional experience with Linux system administration - Experience in software practices and configuration management - Scripting experience (Ansible, Bash) - Must currently have an active TS/SCI Clearance Desired Skills: - RedHat OS patching/hardening experience … Ansible Tower/AWX - Computer networking experience - Effective oral and written communication skills - Ability to work effectively in a rapid paced, team environment - Agile development experience - CompTIA Security+ Certification - Linux Certifications (CompTIA Linux+, RHCSA, RHCE) -Any experience with cloud migrations working with the latest CI/CD tools and technology would be a plus. - 2 years of System Administration experience More ❯

Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Linux and/or Windows systems administration experience. Qualifications We Prefer: Experience implementing information security compliance standards and policies Experience with Splunk, Tenable, Ivanti products Experience with server virtualization (e.g. VMware … Experience with business continuity and disaster recovery practices Experience with datacenter concepts and technologies Cloud computing (AWS, Azure) CompTIA Security+ certification or other industry-recognized certifications relevant to a Linux System Administrator BASH Scripting ITIL Foundations and/or ITIL Service Operations What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more 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. At Leidos, we offer competitive More ❯

Systems Engineer to support a critical enterprise client. This SME-level role is ideal for an experienced systems engineer with broad technical depth across Microsoft enterprise platforms, Unix/Linux systems, and Zero Trust Architecture (ZTA) components. The role offers an exciting opportunity to support infrastructure modernization, hybrid identity and access integration, and implementation of secure enterprise environments aligned with … organizational goals. The ideal candidate will be a subject matter expert in Microsoft and Linux systems administration with hands-on experience in identity federation, enterprise directory services, secure access platforms, and modern endpoint and application hosting solutions. Familiarity with tools such as Zscaler, Oracle, and the integration of Zero Trust frameworks is highly desirable. Key Responsibilities: Lead the design, implementation … and lifecycle support of enterprise infrastructure across Windows, Linux, and hybrid environments. Serve as a senior escalation point for complex infrastructure issues, especially in Microsoft Active Directory, Entra ID (formerly Azure AD), and Unix/Linux OS environments. Provide expert support for: Active Directory, Group Policy , and identity federation (AD FS, Entra ID, conditional access). Windows Server and IIS More ❯

for a highly skilled Graphics Processing Unit (GPU) Engineer with a deep understanding of operating systems, hardware, and extensive knowledge of the GPU industry, particularly in the context of Linux-based systems. As a GPU Engineer, you will play a pivotal role in designing, developing, and optimizing GPUs for various applications, with a strong emphasis on seamless integration with operating … architectures, ensuring they meet stringent performance, power efficiency, and feature requirements. Leverage industry insights to drive design decisions. Ensure that GPU designs and integrations are not only optimized for Linux but are also adaptable to other operating systems. Operating System Integration: Work closely with operating system developers to ensure smooth GPU integration with Linux-based systems. Optimize GPU drivers for … compatibility, performance, and reliability in a Linux environment. Provide regular maintenance and updates to ensure continued compatibility. Hardware Expertise: Contribute to the design and development of GPU hardware, providing insights into hardware architecture to ensure efficient interaction with software components. Maintain and update hardware designs as needed. CUDA (Compute Unified Device Architecture)/OpenCL (Open Computing Language) Programming: Develop and More ❯

IT SUPPORT ENGINEER - BRUSSELS (BELGIUM) - PERMANENT POSITION We are seeking a skilled and motivated IT Support Engineer with a strong focus on Linux-based systems to join a growing IT team. In this role, you will serve as a key technical resource responsible for maintaining and supporting our Linux infrastructure, ensuring optimal performance, security, and reliability across all systems. You … critical part in both day-to-day operations and long-term improvement initiatives. Your responsibilities will include diagnosing and resolving issues at both the system and user level, managing Linux servers, implementing updates, and participating in automation and infrastructure projects. You'll work closely with cross-functional teams, including DevOps, security, development, and network engineering, to ensure our IT environment … eager to expand your skills and contribute to a collaborative and forward-thinking tech culture, we want to hear from you. Key Responsibilities: Provide Level 1-3 support for Linux-based systems (primarily Ubuntu, CentOS, RHEL, etc.) Troubleshoot and resolve hardware, software, and networking issues in physical and virtual environments Manage user access, permissions, and authentication (e.g., LDAP, SSH, Sudo More ❯