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 to ensure system uptime. 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 (e.g., Docker, Kubernetes) is More ❯
A leading hedge fund is seeking a Senior Lead Linux Engineer to join a high-performance infrastructure team supporting global low-latency trading systems. This is a hands-on engineering role with strong ownership across design, automation, performance tuning, and deployment. You will lead strategic improvements to the firm’s Linux environment, enabling new trading strategies, supporting expansion to new … latency. This is a senior-level, highly technical role that goes beyond day-to-day operations and is central to their infrastructure strategy. Key Responsibilities: Architect and optimize global Linux infrastructure for ultra-low-latency trading workloads Automate system deployment and configuration using tools like Python and Ansible Analyze and tune kernel and system performance to meet demanding latency targets … and evolve systems across a global network of co-located environments Requirements: Bachelor’s degree in Computer Science or a related field 5+ years of hands-on experience with Linux systems (Debian and RHEL preferred) Deep understanding of system performance tuning, especially in low-latency environments Strong scripting and automation skills (Python, Ansible); familiarity with Nix/NixOS is a More ❯
A leading hedge fund is seeking a Senior Lead Linux Engineer to join a high-performance infrastructure team supporting global low-latency trading systems. This is a hands-on engineering role with strong ownership across design, automation, performance tuning, and deployment. You will lead strategic improvements to the firm’s Linux environment, enabling new trading strategies, supporting expansion to new … latency. This is a senior-level, highly technical role that goes beyond day-to-day operations and is central to their infrastructure strategy. Key Responsibilities: Architect and optimize global Linux infrastructure for ultra-low-latency trading workloads Automate system deployment and configuration using tools like Python and Ansible Analyze and tune kernel and system performance to meet demanding latency targets … and evolve systems across a global network of co-located environments Requirements: Bachelor’s degree in Computer Science or a related field 5+ years of hands-on experience with Linux systems (Debian and RHEL preferred) Deep understanding of system performance tuning, especially in low-latency environments Strong scripting and automation skills (Python, Ansible); familiarity with Nix/NixOS is a More ❯
Abingdon, Oxfordshire, South East, United Kingdom Hybrid / WFH Options
Robert Half
Exciting opportunity for a Linux Administrator to join a growing business based near Abingdon, offering circa £40,000 plus excellent benefits (including hybrid working) and career development prospects. The Role As Linux Administrator, you'll be responsible for: working closely with other Linux Administrators, providing support on the their applications/infrastructure responding promptly to tickets, troubleshooting and problem solving … for automation monitoring systems, ensuring a proactive response to any issues ensuring compliance with cyber security standards, documentation etc. ad-hoc project based work About you Applicants for the Linux Administrator role will have: practical/working experience of Linux and administration fundamentals (installing, configuring, file/directory permissions etc.) networking experience/knowledge, as well as Active Directory skills More ❯
Linux Infrastructure Engineer (UKIC DV Clearance) Remote £75,000 - £90,000 + Training + Progression + Company Benefits Are you a Linux Infrastructure Engineer with developed vetting looking to join on of the worlds most renowned multinational technology businesses where you will be working on some of the world's most TOP SECRET software and defence contracts? Do you want … an organisation where you are in control of how quickly you progress with access to constant personal and professional development opportunities? On offer is the exciting opportunity for a Linux Infrastructure Engineer who currently has developed vetting to join one of the world's most well known, multinational, technology business who have consistently been in the spot light regarding global … will be playing a critical role within this global tech giant as well as a vital role within the UK and Global Defence industry. In this role, the successful Linux Infrastructure Engineer will be responsible for both continuous improvement and continuous deployment across many different projects and teams. The ideal Linux Infrastructure Engineer would have developed vetting on application, that More ❯
Program Description: Mauck Research Group provides Red Hat Enterprise Linux (RHEL)/SE Linux based HPC services throughout the lifecycle for computational requirements, architecture, acquisition, and operations to federal government customers. Our employees embrace innovation and are committed to a culture of continuous, standards-driven process improvement and assimilation of industry best practices. The program provides key supercomputing capabilities for … on cutting edge HPC technologies to ensure that scientists and engineers will be able to fully utilize modern HPC systems. We are seeking a senior level Systems Administrator with Linux and Software Configuration Management experience to support our program at the Springfield, VA location. The successful candidate will have experience supporting Linux based users on a Multi- Level Security network. … Including configuration management, build automation and release engineering. This is a Systems Administrator role that manages Linux server infrastructure in support of the program. The role includes solving end-user computer system problems and improving performance on Linux Redhat platforms/operating systems. Candidate needs experience with tools listed below and will be supporting the software configuration management (SCM) processes. More ❯
Job title: Linux Systems Engineer (1-4 Years of Experience) Client: Elite FinTech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £110k + Industry Leading Bonus My client are looking for a highly-talented Linux Engineer to work in one of their systems teams. They have an unlimited budget for optimising their infrastructure You'll … likely work on all of the below but spend most of your time in one main area: Build and optimise next gen Linux infrastructure on a HPC Cluster with over 1PB memory, 20K GPUs and 100k CPUs Architecting a brand new on premise kubernetes infrastructure Working in their high performance DevOps function (building and optimising CI/CD pipelines etc. … on tracing and OpenTelemetry (as well as exploring ML for Observability) Automate anything and everything with Python & config tools This is one of the best opportunities for a passionate Linux infrastructure enthusiast out there working on the newest and best tech around with a chance to make your mark on a growing organsiation Skills/Experience Systems Engineering experience in More ❯
Job title: Linux Systems Engineer (1-4 Years of Experience) Client: Elite FinTech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £110k + Industry Leading Bonus My client are looking for a highly-talented Linux Engineer to work in one of their systems teams. They have an unlimited budget for optimising their infrastructure You'll … likely work on all of the below but spend most of your time in one main area: Build and optimise next gen Linux infrastructure on a HPC Cluster with over 1PB memory, 20K GPUs and 100k CPUs Architecting a brand new on premise kubernetes infrastructure Working in their high performance DevOps function (building and optimising CI/CD pipelines etc. … on tracing and OpenTelemetry (as well as exploring ML for Observability) Automate anything and everything with Python & config tools This is one of the best opportunities for a passionate Linux infrastructure enthusiast out there working on the newest and best tech around with a chance to make your mark on a growing organsiation Skills/Experience Systems Engineering experience in More ❯
Crawley, Sussex, United Kingdom Hybrid / WFH Options
Rentokil Initial Group
We are seeking an experienced Linux Systems Engineer to join our dynamic team. This role offers an exciting opportunity to design, implement, and manage cutting-edge Linux solutions in a global enterprise environment. You will have extensive experience in designing and implementing Ansible Automation in a Global environment having worked with various versions. Key Responsibilities: Design and configure Linux solutions … that meet or exceed business requirements Document new Linux solutions to support other teams Analyze industry trends and propose updated technology solutions Drive automation development and implementation in Linux environments Support operational teams during new process and policy implementations Manage and report on global Linux performance metrics Participate in project planning and resource allocation Maintain relationships with third parties and … business areas Resolve complex Linux issues following internal procedures Ansible Tower/Ansible Automation Platform playbook design and implementation 3 years designing, configuring, and supporting global Red Hat Enterprise Linux (RHEL) environments Expertise in RHEL 7, 8, and 9 VMware vSphere proficiency Knowledge of Red Hat Satellite, Hybrid Cloud Console, and Insights Delinea Centrify AD/RBAC for Linux Advanced More ❯
By centralizing these services, the Laboratory reduces complexity and redundancy in the environment, facilitates collaboration between the research staff and makes it easier to attain RMF compliance. The Classified Linux Engineer is a member of the Classified Enterprise Services (CES) Team within ISD and they are critical to supporting both SIPR and ELCN. They are responsible for managing all aspects … of our Linux infrastructure on both SIPR and ELCN. This includes building new virtual machines, ensuring those virtual machines are STIG compliant, and remediating any vulnerabilities that are found on those systems. In addition, this individual is also responsible for managing our RedHat Satellite infrastructure in both environments. This includes importing updates from the unclassified network to both classified networks … systems, patching ISD systems and working with division resources to ensure their systems are patched. Without this role the ISD CES team would not be able to maintain the Linux infrastructure that is critical to both networks. The Linux Systems Engineer will demonstrate a strong understanding of Linux operating systems including both workstation and server varieties while supporting the Laboratory More ❯
Job Role: Linux Systems Engineer Location: Sheffield/WFH/Hybrid Salary: Up to £40,000 plus an excellent benefits package Key skills: Redhat, RHEL, Ubuntu, Gentoo, SUSE, HPC, Linux Systems Admin, Supercomputing, Scripting, UNIX, Linux, Nvidia, GPU, Slurm, Torque, GPFS, Lustre Do you dream in lines of code and command-line interfaces? We've got an opportunity that will … take your technical prowess to the next level! Chapman Tate Associates seeks a Linux Technical Consultant to join this established technology house that deliver a range of AI, ML and HPC solutions to a range of businesses within the higher education, scientific, research and development, and a host of enterprise based firms. This is a new role owing to recent … and software problems to keep operations running smoothly. -Implementing security measures to protect sensitive data and maintain compliance with industry standards. -Keeping abreast of the latest advancements in HPC, Linux, and virtualization technologies to drive continuous improvement. Technical and soft skills needed will include: -Proficiency in Linux system administration and shell scripting. -Experience with HPC technologies such as Slurm, Torque More ❯
S35, Worrall, Sheffield, South Yorkshire, United Kingdom Hybrid / WFH Options
Chapman Tate Associates
Job Role: Linux Systems Engineer Location: Sheffield/WFH/Hybrid Salary: Up to £40,000 plus an excellent benefits package Key skills: Redhat, RHEL, Ubuntu, Gentoo, SUSE, HPC, Linux Systems Admin, Supercomputing, Scripting, UNIX, Linux, Nvidia, GPU, Slurm, Torque, GPFS, Lustre Do you dream in lines of code and command-line interfaces? We've got an opportunity that will … take your technical prowess to the next level! Chapman Tate Associates seeks a Linux Technical Consultant to join this established technology house that deliver a range of AI, ML and HPC solutions to a range of businesses within the higher education, scientific, research and development, and a host of enterprise based firms. This is a new role owing to recent … and software problems to keep operations running smoothly. -Implementing security measures to protect sensitive data and maintain compliance with industry standards. -Keeping abreast of the latest advancements in HPC, Linux, and virtualization technologies to drive continuous improvement. Technical and soft skills needed will include: -Proficiency in Linux system administration and shell scripting. -Experience with HPC technologies such as Slurm, Torque More ❯
Linux System Administrator | Server Hosting Infrastructure | Mission-Critical SaaS Our client is looking for a Senior Linux System Administrator to join their expanding organisation that powers some of the world’s most important applications in healthcare, finance and government. Our client is a privately held company headquartered in the United Kingdom & the USA, with offices worldwide, and software products are … in support of existing and forecasted solutions whilst working with engineering/architecting teams to design solutions to maximise performance, efficiency and operability of hosted solutions. As a senior Linux System Administrator, you will support all areas of hosted services, ensuring the timely resolution of incidents and/or problems affecting hosted solutions and deploying approved changes and/or … updates as required. The core technical environment: Linux deployment and management experience with RHEL Scripting skills (Shell, PowerShell, Bash) Puppet used for Automation – any other experience is good i.e. Ansible, Chef VMware 6 deployment and management experience (100s of virtual servers) You will be working in a mission-critical production environment. For success in this role you *must* have experience More ❯
TMC is in immediate need of a Senior Systems Engineer II (Unix/Linux) to support our federal client located in Pocatello, ID. This position is responsible for design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components and application dependencies. Due to federal contract requirements, the candidate must … possess a US Citizenship and an active Top Secret clearance and SCI eligibility. Position requirements and duties of the Senior Systems Engineer (Unix/Linux) include the following: - Responsible for the engineering design, installation, implementation, and configuration as well as ongoing support of the Unix/Linux Infrastructure. - Possess advanced knowledge and skill for all Linux environments. - Create and maintain … bare-metal and virtual machines with the appropriate distribution and patch levels of Linux and network configuration, using tools that include Satellite Server. - Provision/configure required software onto servers, such as web servers and databases. - Evaluate, improve, and maintain the information security throughout the Linux infrastructure. - Monitor and correct critical server issues and create recovery processes for failures and 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 … OS cert, Linux+, RedHat, etc. Bachelor's and 5 years or more experience; Masters and 3 years or more experience; PhD and 0 years related experience Working knowledge of Linux and Unix operating systems concepts as well as systems administration experience Ability to develop and maintain documentation on system administration procedures for routine and complex tasks Ability to create and More ❯
Careers – Your mission found here By playing this video you consent to Google/YouTube processing your data and using cookies – Learn more. Position Description: Are you passionate about Linux and VMware? Do you enjoy designing and implementing innovative solutions that meet the needs of the end users? If so, you might be the Linux engineer we are looking for. … You will have the opportunity to lead the Linux components of a platform that will provide Linux VDI's and a management solution for Linux systems. You will work on site at Corsham, as part of a project team that is delivering a VMware environment and platform for a client. You will collaborate with other engineers and stakeholders and ensure … be eligible to go through this clearance. This role will be based in the Gloucester office 5 days a week. Your future duties and responsibilities: • Support project team with Linux engineering activities. • Design and implement the Linux components of the platform. • Ensure compliance with security and quality standards. • Collaborate with other engineers and stakeholders. • Document and communicate the Linux solution. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
Linux Sys Admin Manager Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. Do you want to join a well-established growing financial services/FinTech (Financial Technology) company who are forward thinking … and working with cutting edge technologies? a fantastic opportunity has arisen for a Linux Sys admin Manager to join a friendly collaborative team. Ideally, we seek candidates who have a strong technical background coupled with the ability/experience to lead and manage a team. The successful candidate will be both technically astute and a strong people manager. Benefits (not … exhaustive list) - Linux Sys admin Manager Competitive salary 25 days annual leave - not including bank holidays Can opt to join Private Medical insurance scheme Hybrid working Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement Company Culture More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
Lead Systems Administrator: Linux Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. Do you want to join a well-established growing financial services/FinTech (Financial Technology) company who are forward thinking … and working with cutting edge technologies? a fantastic opportunity has arisen for aLead Systems Administrator - Linux to join a friendly collaborative team. Ideally, we seek candidates who have a strong technical background coupled with the ability/experience to lead and manage a team. The successful candidate will be both technically astute and a strong people manager. Benefits (not exhaustive … list): Lead Systems Administrator (Linux) Competitive salary 25 days annual leave - not including bank holidays Can opt to join Private Medical insurance scheme Hybrid working Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement Company Culture: Lead More ❯
you must have a clearance level of at-least SC and be willing to go through higher clearances to be considered for these roles. Requirements: Exposure to Android or Linux internals Experience with low level coding languages like C, C++, Java or Kotlin Again, as per the heading due to the sensitive nature of the work this role will be More ❯
to staff. Conduct regular compliance audits to ensure network assets are patched and maintained. Ensure the availability for applications that require network connectivity. Provide expertise in multiple operating systems (Linux/MacOS/Windows/VMWare). Qualifications: Must have at minimum an active secret clearance. Competence on Linux command line (5+ years). Familiarity with basic Linux commands, troubleshooting … to start, can negotiate hybrid schedule after first 6 weeks. Preferred: Bachelor's of Science in IT-related field of study 5 years of previous working experience as a Linux administrator Competent in Shell, Perl, and/or Python scripting Solid knowledge of protocols such as DNS, HTTP, LDAP, SSH, SNMP, etc. Familiarity with VMWare Security+ certification Familiarity with DevOps More ❯
Mannheim, Baden-Württemberg, Germany Hybrid / WFH Options
osapiens Holding GmbH
We are now seeking a highly skilled Senior System Administrator - Linux to support the ongoing development and optimisation of our osapiens HUB. In this role, you will be responsible for managing and enhancing our infrastructure, automating deployment processes, and ensuring the reliability, scalability, and security of our platform. The osapiens HUB is a modern, enterprise-grade application development platform. It … backups. Instead, users can focus on their highest value activities: implementing business logic and crafting beautiful user interfaces. Activities You take care of the administration, maintenance, and updates of Linux servers in our public clouds, but also on-premises You are responsible for the design, optimization, and availability of the cloud infrastructure You support operational customer environments in the server … You support your colleagues in the operation of cloud infrastructures for our national and international customers Requirements A completed training as Specialist IT - System Integration, or comparable Handling many Linux (Ubuntu) systems using tools (e.g. Ansible), and managing Java applications, Apache Cassandra/ScyllaDB, Elasticsearch, and HA Proxy is not difficult for you Several years of professional experience with monitoring More ❯
Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking for proactive and self-motivated individuals for our Linux Threat Hunter positions. In this unique position, you will be working closely with deployed Linux servers dealing with data flows and collection of network data to write malware signatures using … by identifying known malware, finding unique patterns and anomalies to discover new threat actors and taking operational actions to achieve mission requirements. You should be comfortable working in a Linux (CentOS/Debian/Ubuntu) environment, using SSH and being able to conduct regular Linux system administration, configuration and maintenance tasks. You will be able to help improve existing Standard … requested but is not required. BS degree must be in a technical discipline OR may substitute three years of sponsor-specific experience for BS degree. REQUIRED SKILLS: • Experience with Linux (CentOS/Debian/Ubuntu) systems administration • Ability to automate tasks through Bash/Perl/Python scripting • Understanding of network layers, protocols and flows • Familiarity with analyzing network traffic More ❯
Investment Banking - Low Latency C++ Developer - financial markets/Linux/Scripting/low latency/TCP/IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be … EXPERIENCES ASSESSMENT 7+ years of C/C++ development experience Experience with financial markets/clients Experience with order entry gateway development. Experience with market data Reasonable knowledge of Linux Some Scripting knowledge Interest and some knowledge of principles of developing for low latency Relationship Builder Ability to work under pressure to meet targets Understanding of TCP/IP protocol More ❯
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, and … 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 •JIRA •Configure and More ❯
Are you passionate about Linux and ready to take the lead on a high-impact enterprise system? We're looking for a Lead Infrastructure Engineer (Linux) to join our team and play a critical role in designing and deploying Red Hat Enterprise Linux (RHEL) systems within a major greenfield environment. You'll be the go-to expert for all things … users. Providing input into disaster recovery, monitoring, and security planning processes. What you'll bring: Active SC Clearance and eligible for DV Clearance. Proven expertise in Red Hat Enterprise Linux (RHEL) administration and design. Strong understanding of security controls, including host firewalls, SELinux, and intrusion detection. Knowledge of networking fundamentals, especially from a security perspective. Experience working in highly governed More ❯