18 of 18 Linux Administrator Jobs in London

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 ❯

Job Description: Unix System Administrator At DXC Technology, delivering excellence for our customers and colleagues is more than just a motto, it's somet hi ng we strive towards constantly through our work. Every day we deliver mission critical services in a secure environment w hi lst promoting our people first agenda, a real sense of community and a … hi ch includes furthering the skills of our colleagues. At DXC, building a better you, builds a better us. At DXC, one of our platinum accounts has openings for Linux System Administrators at varying skill levels. The successful candidate will work wit hi n multiple teams and will be innovative and analytical with a good eye for detail . More ❯

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 More ❯

Linux Infrastructure Engineer – Hybrid (Central London) | £65,000–£70,000 We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London . Key Responsibilities: Deploy, configure, and manage Linux-based servers and services. Enhance and maintain custom system services and OS-level configurations. Manage Kubernetes clusters and containerized … Prometheus, Kibana, Elasticsearch) to monitor system health. Automate system management tasks using Ansible. Participate in an on-call rotation to support global operations. Required Skills & Experience: Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization. Production-level experience managing Kubernetes clusters. Proficiency with GitLab for version control and CI/CD workflows. More ❯

Linux Infrastructure Engineer – Hybrid (Central London) | £65,000–£70,000 We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London . Key Responsibilities: Deploy, configure, and manage Linux-based servers and services. Enhance and maintain custom system services and OS-level configurations. Manage Kubernetes clusters and containerized … Prometheus, Kibana, Elasticsearch) to monitor system health. Automate system management tasks using Ansible. Participate in an on-call rotation to support global operations. Required Skills & Experience: Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization. Production-level experience managing Kubernetes clusters. Proficiency with GitLab for version control and CI/CD workflows. More ❯

Linux Infrastructure Engineer – Hybrid (Central London) | £65,000–£70,000 We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London . Key Responsibilities: Deploy, configure, and manage Linux-based servers and services. Enhance and maintain custom system services and OS-level configurations. Manage Kubernetes clusters and containerized … Prometheus, Kibana, Elasticsearch) to monitor system health. Automate system management tasks using Ansible. Participate in an on-call rotation to support global operations. Required Skills & Experience: Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization. Production-level experience managing Kubernetes clusters. Proficiency with GitLab for version control and CI/CD workflows. More ❯

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail and you will be the single Linux administrator. Some Windows administration skills are a plus but not strictly necessary. We face … to all systems work both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience scripting in More ❯

over a decade of expertise, the company proudly serves customers in more than 130 countries worldwide, offering reliable and high-performance hosting solutions. They are currently seeking for skilled Linux System Administrator to join the team. If you would like to learn more about this opportunity, feel free to reach out and apply today! Responsibilities: Configure and maintain … Ubuntu based Linux servers Undertake the setup and upkeep of servers, ensuring optimal performance and stability. Regularly monitor server performance, proactively identifying and rectifying technical glitches. Carry out routine software and security updates, contributing to the overall health of our server infrastructure. Cooperate with team members to guarantee seamless operation across all systems. Maintain comprehensive documentation and inventory of … utilization of Remote Hands. Use and setup tools for mass server management and deployment. Skills/Must have: Ubuntu/Debian Experience Bash/Python Scripting Apache Docker MySQL Linux Firewalls RAID Management Dealing with Linux servers at scale Benefits: Comprehensive Paid Time Off (PTO) including vacation, sick days, and holidays Home Office Stipend to enhance your remote More ❯

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 More ❯

Linux Administrator - £80,000 plus benefits - Kingston, Surrey - Hybrid working A highly successful and growing software house based in Kingston, Surrey are looking for an experienced Linux Administrator to join their team. As the Linux Administrator, you will help to maintain the efficient, secure, and reliable running of company infrastructure including installation, configuration, and … maintenance of Linux and UNIX operating systems. Key responsibilities include: Work with the team to implement, maintain and support Linux infrastructure Install, patch and maintain Solaris/RedHat/CentOS software Troubleshooting and root cause analysis on Solaris/RedHat/CentOS Active monitoring of Unix and Linux systems Capacity planning The ideal candidate will have gained … extensive Linux system admin experience and will be a RedHat certified engineer. The salary on offer for this role is up to £80,000 (depending on experience), bonus, and benefits. More ❯

HPC Linux System Administrator - fully remote/work from home £55,000 - £75,000 & health/life/income insurance This is a great opportunity for a Linux System Administrator with experience of high-performance computing to join a leading technical consultancy to help deliver high performance computing (HPC) managed services and projects. Due to significant … interactions. The role would be ideal for someone with the following skills/experience: A BSc/MSc/PhD in Maths/Physics/Computer Science or similar Linux Networking protocols and services (DNS, NIS, NFS, TCP/IP, SNMP, DHCP etc.) Strong communication skills and client facing experience Some knowledge of scripting languages (Shell, Perl or similar … or scientific programming languages would be beneficial Some experience with HPC Experience with GPFS would be a bonus! Some of the benefits that come with the Linux System Administrator role include: A starting salary of £55k+ Matched pension up to 10% Health insurance Life insurance Income protection 25 days paid holiday, plus banks on top Buy or sell More ❯

Platform Administrator (SC Cleared) Location: Hybrid/London Clearance: Active SC Clearance (Mandatory) Contract Type: 12 month FTC/Permanent The Company: Amber Labs are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all … together to minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Role Overview: We are seeking an experienced Platform Administrator, for a Central Government project, to support and maintain critical infrastructure within a secure cloud-based environment. This role requires expertise in Linux system administration, scripting, cloud computing … AWS/Azure), and database management. The successful candidate will be responsible for installing, configuring, and maintaining platforms, ensuring system reliability, and troubleshooting issues with minimal support. Key Responsibilities: Linux Administration - Manage, configure, and maintain Linux-based systems, including shell scripting and string manipulation. Cloud Provisioning - Deploy and manage compute resources in AWS or Azure environments. Software Packaging More ❯

Bloomsbury Square, London, United Kingdom Role Title: Lab Admin Required Core Skills: Linux server administration Minimum years of experience: 5 years Job Description: We are seeking a highly organized and technically proficient Lab technician to oversee the management and maintenance of our cutting-edge technology lab. The ideal candidate will have a strong understanding of hardware and software, particularly … in the realm of Google Pixel devices (phones, watches, and buds), Linux server administration, networking, and inventory management systems. Hardware Management: Maintain and troubleshoot a wide range of Google Pixel devices, including phones, watches, and buds. Configure and optimize devices for various testing and development scenarios. Ensure devices are up to date with the latest firmware and software. Manage … device inventory, including tracking assets, performing regular audits, and coordinating repairs or replacements. Linux Server Administration: Installing, configuring, and maintaining Linux servers. Managing user accounts. More ❯

With over 4,500 clients and 400 servers under its care, this is a firm that has experienced remarkable growth in recent years and is now seeking a Lead Linux System Administrator to become a vital part of their team. In this role, you will play a pivotal role in the build, scale, and maintenance of Linux … decisions Overseeing technical implementations Providing mentorship to junior team members Collaborating with stakeholders to understand project requirements Making an impact across various aspects of the business As the resident Linux expert, you will be the person at which the buck stops, exhibiting knowledge with automation, Ceph, cPanel, and Proxmox. Furthermore, you will have the opportunity to further develop your More ❯

JOB DETAILS Role Title: Lab Admin Required Core Skills: Linux server administration Possibility of remote work: No, fully onsite for now Contract duration: 6-12 months Location: London, UK Job Description: We are seeking a highly organized and technically proficient Lab technician to oversee the management and maintenance of our cutting-edge technology lab. The ideal candidate will have … a strong understanding of hardware and software, particularly in the realm of Google Pixel devices (phones, watches, and buds), Linux server administration, networking, and inventory management systems. Hardware Management: Maintain and troubleshoot a wide range of Google Pixel devices, including phones, watches, and buds. Configure and optimize devices for various testing and development scenarios. Ensure devices are up to … date with the latest firmware and software. Manage device inventory, including tracking assets, performing regular audits, and coordinating repairs or replacements. Linux Server Administration: Installing, configuring, and maintaining Linux servers. Managing user accounts. More ❯

Role Title: Lab Admin Contract Duration: 6-12 months Location: London, UK Required Core Skills: Linux server administration Minimum Years of Experience: 5 years Job Description: We are seeking a highly organized and technically proficient Lab Technician to oversee the management and maintenance of our cutting-edge technology lab. The ideal candidate will have a strong understanding of hardware … and software, particularly in Google Pixel devices (phones, watches, and buds), Linux server administration, networking, and inventory management systems. Responsibilities: Hardware Management: Maintain and troubleshoot a wide range of Google Pixel devices, including phones, watches, and buds. Configure and optimize devices for various testing and development scenarios. Ensure devices are up to date with the latest firmware and software. … Manage device inventory, including tracking assets, performing regular audits, and coordinating repairs or replacements. Linux Server Administration: Installing, configuring, and maintaining Linux servers. Managing user accounts. More ❯

of our cutting-edge technology lab. The ideal candidate will have a strong understanding of hardware and software, particularly in the realm of Smart devices (phones, watches, and buds), Linux server administration, Networking, and inventory management systems. Hardware Management. Maintain and troubleshoot a wide range of Smart devices, including phones, watches, and buds. Configure and optimize devices for various … and development scenarios. Ensure devices are up to date with the latest firmware and software. Manage device inventory, including tracking assets, performing regular audits, and coordinating repairs or replacements. Linux Server Administration. Installing, configuring, and maintaining Linux servers. Managing user accounts. If this role sounds like you, we invite you to apply. Thanks. Due to work permit restrictions More ❯

of our cutting-edge technology lab. The ideal candidate will have a strong understanding of hardware and software, particularly in the realm of Smart devices (phones, watches, and buds), Linux server administration, Networking, and inventory management systems. Hardware Management. Maintain and troubleshoot a wide range of Smart devices, including phones, watches, and buds. Configure and optimize devices for various … and development scenarios. Ensure devices are up to date with the latest firmware and software. Manage device inventory, including tracking assets, performing regular audits, and coordinating repairs or replacements. Linux Server Administration. Installing, configuring, and maintaining Linux servers. Managing user accounts. If this role sounds like you, we invite you to apply. Thanks. Due to work permit restrictions More ❯