851 to 875 of 4,750 Permanent Linux Jobs

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 ❯

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 into driving 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 ❯

both traditional and cloud-based networking environments. The ideal candidate will bring deep technical expertise in AWS cloud, network firewalls, and endpoint security tools, along with experience working in Linux and Windows environments. This role will be instrumental in ensuring the resilience, security, and performance of our global network infrastructure. Below are some tools/skills the candidate should have … network architecture, including VPCs, DNS, subnets, routing, remote access technologies, and security constructs. • Experience on maintaining AWS Architecture using Terraform. • Experience using CloudFormation templates. • Build and manage solutions using Linux and Ansible for configuration in support of network and security operations. • Assist with network automation and scripting to streamline operations. • Collaborate with cross-functional teams to ensure network and security … Knowledge and familiarity with in-depth analysis of Zero Trust and AWS Capabilities, Infrastructures and Architecture. o Solid understanding of network security, routing, subnetting, and troubleshooting. o Proficient with Linux systems and automation using Ansible. Clearance: o All Department of Homeland Security CBP SOC employees are required to pass a 5-year (BI) Background Investigation. Preferred Qualifications: o Ability to More ❯

and boost organisational agility. What's in it for you? Be a key player in designing, building, and maintaining mission-critical systems. Administer systems, applications, and databases rooted in Linux operating systems. Drive innovation by automating system deployment, operation, and maintenance with Infrastructure as Code (IaC) and Configuration Management tools. Key Responsibilities: Design, build, and maintain mission-critical systems. Administer … systems, applications, and databases on Linux operating systems. Maintain and troubleshoot IP networking systems. Automate system deployment, operation, and maintenance using IaC and Configuration Management tools. Essential Skills: UKIC DV Clearance. Expertise in System Design, Deployment, and Administration. Extensive experience with Linux operating systems. Proficiency in DevOps and Automation (CI/CD pipelines, Docker, Kubernetes, Ansible, Bash, PowerShell, Puppet, Python More ❯

of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and provide support for maintaining and enhancing cloud infrastructure as well as the day-to-day maintenance support for troubleshooting Linux/Windows cloud systems and servers. This role … requires an individual with technical expertise administering the full lifecycle of Linux and Windows platforms as code. The candidate will provide Windows engineering support to develop automations for the building and patching Linux and Windows servers, Red Hat Satellite and Ansible Automation Platform in support of maintenance, upgrades and new systems being deployed. This role is responsible for interacting with … analyzes recurring problems and initiates solutions for preventing reoccurrence and analyzes existing infrastructure for tuning/performance enhancements. • Perform best practice engineering support for a cloud environment consisting of Linux and Windows Servers. • Perform application packaging, deployments, documentation, and release control utilizing Jira/Jenkins and Ansible Automation Platform. • Provide advice, technical consultation, and Tier 3/Tier 4 support More ❯

of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and provide support for maintaining and enhancing cloud infrastructure as well as the day-to-day maintenance support for troubleshooting Linux/Windows cloud systems and servers. This role … requires an individual with technical expertise administering the full lifecycle of Linux and Windows platforms as code. The candidate will provide Windows engineering support to develop automations for the building and patching Linux and Windows servers, Red Hat Satellite and Ansible Automation Platform in support of maintenance, upgrades and new systems being deployed. This role is responsible for interacting with … problems and initiates solutions for preventing reoccurrence and analyzes existing infrastructure for tuning/performance enhancements. Job Duties Perform best practice engineering support for a cloud environment consisting of Linux and Windows Servers. Perform application packaging, deployments, documentation, and release control utilizing Jira/Jenkins and Ansible Automation Platform. Provide advice, technical consultation, and Tier 3/Tier 4 support More ❯

or 1099. Rate: open to Negotiation • Experience deploying, configuring, and supporting CICD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab) • Experience with troubleshooting applications & infrastructure services on Linux based Operating Systems • Must meet DoD 8570 IAT level II requirements (Security + CE or equivalent) • Experience with automation frameworks such as Terraform, Ansible, and Chef • Experience with RedHat Linux More ❯

following languages: java, C, and/or C++ Within the last 5 years, a minimum of 3 years experience designing and developing applications in a windows or UNIX/Linux operating environment Within the last 5 years, a minimum of 3 years experience with OpenSource (NoSQL) products that support highly distributed, massively parallel computation needs such as hbase, apache accumulo … ruby for software automation A minimum of 1 year experience implementing and providing technical support for multi-platform, multi-system networks, including those composed of CISCO and UNIX or LINUX-based hardware platforms, to include the diagnosis and resolution of issues 1 year experience implementing network solutions for complex, high performance systems composed of UNIX or LINUX-based hardware platforms More ❯

SKILLS AND DEMONSTRATED EXPERIENCE (Strong JavaScript, Node, js, React, Angular, Express.js, My SQL) • Demonstrated on-the-job experience in a Systems Engineering or Systems Architecture role. • Demonstrated experience managing Linux hosts such as RHEL or CENTOS in an enterprise environment. • Demonstrated experience with Puppet, Splunk, Jira, Confluence, and Jenkins. • Demonstrated experience deploying worldwide enterprise solutions. • Demonstrated experience installing, configuring and … managing Linux operating systems. • Demonstrated experience working with AWS-based solutions. • Demonstrated experience configuring and troubleshooting network components. • Demonstrated experience implementing operating systems enhancements. • Demonstrated experience prototyping enterprise scale solutions. • Demonstrated experience with writing scripts in Bash and Python. • Demonstrated experience executing shell scripts. • Demonstrated experience deploying applications. • Demonstrated experience developing and supporting Java/Javascript, C/C++, MySQL 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. 2. 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. 3. 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. 4. CUDA (Compute Unified Device Architecture)/OpenCL (Open Computing Language More ❯

Git and Subversion. • Atlassian Tools (Jira, Confluence). • Experience with any of the following: Java, JavaScript, Bash, PowerShell, Perl, C#, Rust, Assembly. • Experience with developing CNO specific software in Linux/Windows/Embedded applications. Desired Not Required: • Experience with reverse engineering Linux and embedded platforms, and with Vulnerability Research and Exploit development. • SIGINT Analysis and CNO is a PLUS More ❯

about this role, please contact: Lead DevOps Engineers -SC Security ClearanceAre you an experienced DevOps Engineer with active SC Security Clearance? Do you want to help deliver some Senior Linux Infrastructure Specialist- Higher Education/Research/HPC Senior Linux Infrastructure Engineer with strong skills in, Linux, Red Hat, Ba Audio-Visual Commissioning Engineer- Higher Education- AVIXA CTS qualificationAudio-Visual More ❯

platforms in Production/UAT - On-premises and cloud environments; Maintain, support and set up IT infrastructures; Creating automation using Ansible, Bash, PowerShell; Develop monitoring solutions; Microsoft servers administration; Linux servers administration; IIS, Apache, Nginx administration and troubleshooting . What We're Looking For At least 3 years of experience in managing Microsoft and Linux Production environments; Experience with Terraform … Ansible, Kubernetes, Kafka, HAProxy, Redis; Ability to fix issues on the Linux/Windows platforms; Familiar with Azure DevOps; Excellent problem-solving skills and a strong customer service attitude; Readiness to solve critical incidents out of business hours. Company Summary Please note that recruitment and work assignments will be handled by Aristocrat, however, this role will be hired through our More ❯

platforms in Production/UAT - On-premises and cloud environments; Maintain, support and set up IT infrastructures; Creating automation using Ansible, Bash, PowerShell; Develop monitoring solutions; Microsoft servers administration; Linux servers administration; IIS, Apache, Nginx administration and troubleshooting . What We're Looking For At least 3 years of experience in managing Microsoft and Linux Production environments; Experience with Terraform … Ansible, Kubernetes, Kafka, HAProxy, Redis; Ability to fix issues on the Linux/Windows platforms; Familiar with Azure DevOps; Excellent problem-solving skills and a strong customer service attitude; Readiness to solve critical incidents out of business hours. Company Summary Please note that recruitment and work assignments will be handled by Aristocrat, however, this role will be hired through our More ❯

area. This role requires aTS/SCI Clearance with Polygraph to be considered.No CCA's will be accepted at this time. Candidate will be responsible for providing Sr. level Linux System Administration support for the program. Required: Very strong Linux (Red Hat/Rocky, CentOS) and Latte 'Art for SSP, STE/STN support. Desired: Puppet, Ansible, FreeIPA, RedHat KVM … and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Requirements Position Requirements: Quantifiable Linux SA work experience Harvester Rancher Kubernetes/Docker Other HCI (Hyperconverged Infrastructure) solution (Azure Stack HCI, Cisco HyperFlex Systems, DataCore SANsymphony, Dell VxRail Hyperconverged Infrastructure, HPE SimpliVity, Nutanix Hyperconverged Infrastructure More ❯

Splunk architecture and operational processes. Data onboarding techniques such as syslog, DB Connect (dbConnect), Universal Forwarder (UF), HTTP Event Collector (HEC), and custom scripting. Express a working knowledge of Linux to include use cases supporting patching, SSL toolset, capacity planning, routing protocols, and firewall rules. SPL/Dashboard experience in support of user analytics, systems performance, security, and environmental health. … have experience in: o system Integration and/or administration for Splunk users, searches/reports, dashboards, systems, or onboarding 3rd party log data. o Windows OS, UNIX or Linux-based systems support with experience in mid-to-large data center environments and patch/update management. o Demonstrated advanced diagnostics, analytical, troubleshooting skills. Experience with physical servers and those … GICSP) GIAC Security Essentials Certification (GSEC) (ISC) Systems Security Certified Practitioner (SSCP) Requires one of the following Computing Environment/Operating System (CE/OS) to begin on contract (Linux/Unix preferred): Microsoft 365 Certified: Identity and Access Administrator Associate Microsoft 365 Certified: Endpoint Administrator Associate Microsoft 365 Certified: Azure Administrator Associate Linux Foundation Certified System Administrator (LFCS) (Preferred More ❯

Experiences 6 years 4 years of hands-on experience managing the Monitoring and Observability platform using Splunk/Dynatrace/Open Telemetry/AWS Cloudwatch in a large-scale Linux and Windows Server environments. Experience in generating and using complex database queries. Skilled in Python Programming. Desired Experiences Bachelor degree or equivalent 4+ years of hands-on experience managing the … Monitoring and Observability platform using Splunk/Dynatrace/Open Telemetry/AWS Cloudwatch in a large-scale Linux and Windows Server environments on-premises and AWS. Experience supporting mission-critical platforms in an on-call setting. AWS/Linux/Windows/Other Tool certifications. AWS Certification SysOps Administrator &/or Developer (preferred). Azure Fundamentals/Developer certification … in Python & Java (optional). Experience using APIs for developing or programming software Skilled in using REST API Knowledge in Disaster Recovery processes. Skills Proficient in maintaining and managing Linux and Windows Servers, with knowledge of native scripting (Shell/PowerShell). Skilled in AWS services such as EC2, SSM, CloudWatch, and Tools like AWS Console, AWS CLI and CloudFormation. More ❯