Linux Administrator Jobs in the UK

1 to 25 of 99 Linux Administrator Jobs in the UK

Linux Systems Administrator

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

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

Linux System Administrator

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

Cambridge, England, United Kingdom
SoCode Recruitment
Linux Systems Administrator Cambirdge : Hybrid Our client, a leading Finance company specializing in cutting-edge cloud technology solutions, is seeking a talented and motivated Linux Systems Administrator to join their dynamic team. Role Overview As a Linux Systems Administrator, you will play a pivotal role in maintaining, optimizing, and supporting complex Linux-based … the chance to work in a fast-paced, innovative environment where you'll collaborate with skilled professionals and leverage the latest tools and technologies. Key Responsibilities Manage and maintain Linux servers, ensuring high availability and performance. Diagnose and resolve system issues, providing expert-level troubleshooting and support. Monitor system performance and implement enhancements to optimize server environments. Design, implement … cloud-based services. Ensure compliance with security standards and best practices. Develop and maintain documentation, including system configurations and operational procedures. Required Skills and Experience Proven experience as a Linux Systems Administrator in an enterprise environment. Strong expertise in Linux distributions (e.g., Red Hat, Ubuntu, CentOS). Hands-on experience with scripting languages such as Bash, Python More ❯
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Linux Administrator

Manchester, England, United Kingdom
Info Resume Edge
We are seeking a skilled and proactive Linux System Administrator to join our IT operations team. The ideal candidate will be responsible for the administration, maintenance, and continuous improvement of our Linux-based infrastructure. You will work closely with other IT professionals to ensure system stability, security, and performance. Freelancer Prox is the first platform that is … both remote and onsite opportunities. We encourage professionals to build their profiles today to boost their chances of instant hiring across the world. Key Responsibilities: Install, configure, and maintain Linux servers (Red Hat, CentOS, Ubuntu, etc.) Perform system monitoring, performance tuning, and capacity planning Manage user accounts, permissions, and access controls Maintain system security by applying patches and updates … uptime and reliability according to SLAs Required Skills and Qualifications: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience) 3+ years of experience in Linux administration Strong knowledge of Linux operating systems and shell scripting Experience with web servers (Apache, NGINX), database servers (MySQL, PostgreSQL), and cloud platforms (AWS, Azure, GCP) Familiarity with More ❯
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Linux Administrator (DV Security Clearance)

London
CGI
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 ❯
Employment Type: Permanent
Posted:

Senior Linux System Administrator

Sheffield, England, United Kingdom
JR United Kingdom
join with: Client: Impact Team Location: Sheffield, South Yorkshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: Linux Divestment Senior Technical Engineer PAYE Agency worker contract role Hybrid – Sheffield (Up to 3 days per week in Sheffield) We are seeking a Linux divestment engineer to engineer … logs to review vulnerabilities, consulting on cybersecurity issues, and providing guidance to application and product teams on technical challenges such as storage migrations. Experience: Extensive experience with RedHat Enterprise Linux in financial or regulated organizations. Interaction with application and infrastructure teams. Understanding of functional requirements and translation into technical specifications. Proactive problem identification and resolution skills. Participation in stakeholder … and delivery team calls. Analytical and problem management skills. Implementation of industry best practices in projects. Technical Skills: Proficiency in Linux (RHEL) OS and Cluster environment (VCS Infoscale). Experience with DevOps tools, orchestration, and configuration management (Ansible, Jenkins, Puppet). Good scripting skills in Python, Shell, Puppet. Experience with VMware, virtualization, hypervisors. Knowledge of networking, TCP/IP More ❯
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Linux System Admin

Manchester, England, United Kingdom
Hybrid / WFH Options
Lorien
Global is collaborating with a forward-thinking team based in Manchester, committed to delivering top-tier technology solutions. With increasing demand across the business, we are seeking two Senior Linux Administrators. This role is open to various locations in the UK and will be promoted accordingly. The Role: As a Senior Linux Administrator, you'll spearhead efforts … to ensure peak performance, security, and availability of their systems. You will be pivotal in designing, implementing, and maintaining the Linux server estate, including the broader cloud platform and virtualised environments. Working closely with the infrastructure team and stakeholders, you will provide technical support and guidance, fostering continuous improvement across the infrastructure platform. This role offers the chance to … Current projects include designing a new containerised architecture with Docker and Kubernetes. The Requirements: Familiarity with related technologies such as VMware, OnApp cloud management, and KVM Advanced knowledge of Linux OS (CentOS, Ubuntu, or Debian) Proficient in scripting (Bash/Python/Perl) * Understanding of managing networking infrastructure Solid grasp of security concepts and tools Excellent communication and problem More ❯
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Linux Systems Administrator

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

Ipswich, England, United Kingdom
TieTalent
This job offer is presented to you through one of our partners. Click on "Show interest" to be redirected. Job Title: Senior Linux Systems Administrator Location: Ipswich – 2 days a week in the office Employment Type: Full-Time | Permanent Salary: 50-60K + Benefits We’re hiring on behalf of a cutting-edge, tech-driven client in … the connectivity sector who is seeking a seasoned Linux expert. If you're passionate about open-source systems, thrive in high-performance environments, and want to work with a company that truly values technical excellence — this is the opportunity for you. About the Role: As a Linux Systems Administrator, you will be a key player in managing … and optimizing Linux-based infrastructure. You'll be responsible for ensuring system reliability, performance, and security across a wide array of critical services. What You’ll Be Doing: Administering, upgrading, and maintaining enterprise-level Linux systems: Ubuntu, Debian Automating routine tasks using Bash, Python, or similar scripting languages Developing & deploying solutions – Building and maintaining Linux & network infrastructure More ❯
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Linux/PaaS Administrator

London, England, United Kingdom
DXC Technology
Get AI-powered advice on this job and more exclusive features. Job Description: Unix System Administrator At DXC Technology, delivering excellence for our customers and colleagues is more than just a motto, it’s something we strive towards constantly through our work. Every day we deliver mission-critical services in a secure environment whilst promoting our people-first agenda … development. Our goal is to drive innovation and modernize operations, including enhancing our colleagues' skills. At DXC, building a better you builds a better us. We have openings for Linux System Administrators at varying skill levels on one of our platinum accounts. The successful candidate will work within multiple teams, demonstrating innovation and analytical skills with a keen eye More ❯
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Linux/PaaS Administrator

London, United Kingdom
DXC Technology Inc
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Linux Administrator

High Wycombe, England, United Kingdom
BOSS Professional Services
Senior Linux Administrator Our client is a technology driven cloud native service provider. They are seeking an experienced Senior Linux Administrator is responsible and accountable for the smooth running of their RedHat orientated technology stack. Essential skills for the Senior Linux Administrator: Manage internal and external information technology and computer systems including: RHEL/… RedHat Linux Servers MySQL, MSSQL and Postgres databases. iSCSI SAN Technologies. Xenserver Clustered virtualized environment. Splunk Logserver. System monitoring. Network configuration and management. Firewall configuration and management. Microsoft AD and Remote Desktop Services (Windows 2019). Experience of scripting (Bash, Korn, C, Shell, etc). Desirable skills: M365/MS Exchange Container based infrastructure (Docker/Kubernetes). IP … Based phone system. Linux certifications Experience of Cloud based environments (AWS) Dell server hardware The day-to-day duties for the Senior Linux Administrator are: Maintain the company's DR infrastructure. Monitoring of key systems to ensure availability and capacity requirements are met. Be responsible for the scheduling and prioritisation of I&O tasks. Work closely with More ❯
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Linux System Administrator

Windsor, England, United Kingdom
Prism Digital
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 … 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 More ❯
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System Administrator Linux

London, England, United Kingdom
euNetworks
Social network you want to login/join with: An opportunity for an experienced Linux System Administrator to join euNetworks' skilled IT team in Germany. In this role, you will support the IT team by administering Linux-based servers, firewalls, and switches. The position offers the chance to be part of an international, cross-functional team that … ensures effective network security, implementation, and optimization. What will you be doing? System administration of virtualized Linux servers: Operating Systems: Oracle Linux, CentOS, Red Hat, Ubuntu, Debian Server setup, system upgrades/patching, and customer support Application support: Nagios, Syslog, Network management systems, AAA protocols, VMWare vSphere Developing concepts and solutions based on internal customer requirements Capacity planning … Testing latest technologies Administration of firewalls, switches, and Linux-based network components for internal and external customers: Firewall and switch administration (Fortinet, Juniper) Network and firewall maintenance, configuration, security monitoring, user access management Troubleshooting IT system issues and coordinating with internal teams and external suppliers Handling purchase orders for IT equipment Miscellaneous IT duties in euNetworks data centers Team More ❯
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Senior Linux System Administrator

London Area, United Kingdom
NineTech
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 ❯
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Senior Linux System Administrator

City of London, London, United Kingdom
NineTech
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 ❯
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Senior Linux System Administrator

South East London, England, United Kingdom
NineTech
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 ❯
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Linux System Administrator

London, England, United Kingdom
Hybrid / WFH Options
LinuxRecruit
role involves directly contributing to the fight against cyber criminals. Joining a team of like-minded individuals with one goal - eradicating cybercrime one phishing attack at a time. Your Linux command line, scripting, and debugging knowledge will be your tools. The tools you use daily to keep cybercriminals at bay include: Working on RHEL-based distributions Responding to alerts More ❯
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Unix/Linux Systems Administrator

Towcester, Northamptonshire, East Midlands, United Kingdom
Hybrid / WFH Options
Wills Consultants Ltd
We are seeking an experienced Linux Systems Administrator to join our international IT team, supporting and maintaining critical infrastructure across Northern Europe. In this role, you will be responsible for system installation, maintenance, troubleshooting, and support in a dynamic, global environment. This is an exciting opportunity to work with cutting-edge Linux systems in a global environment. … balance Enhanced pension & wellbeing programme Career development & training opportunities Key Responsibilities: Ensure maximum system uptime and performance as part of an international IT team Install, configure, and maintain enterprise Linux servers and related infrastructure Monitor system and database performance, applying updates and proactive maintenance Provide 1st and 2nd line support for internal teams and customers Document processes, develop training … and update knowledge bases Contribute to infrastructure projects, identifying risks and managing dependencies What Were Looking For: Degree in Computer Science, IT Engineering, or equivalent experience Proven experience in Linux system administration Experience with database systems (Oracle, SQL Server, MySQL) Familiarity with virtualisation (VMware), monitoring tools (Icinga/Nagios), and networking (TCP/IP, routing) Strong problem-solving skills More ❯
Employment Type: Permanent, Work From Home
Salary: £45,000
Posted:

Senior Linux System Engineer / Administrator - Trading

London, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Linux System Engineer/Administrator - Trading, London Client: East End Resources Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 08.05.2025 Expiry Date: 22.06.2025 Job Description: Our client is a mid-size financial services firm which is a Linux shop … both on the server side and the trader desktops. The client has multiple locations; the London office is small, and you will be the sole Linux administrator. Some Windows administration skills are a plus but not strictly necessary. We interact directly with users and communicate frequently, so good communication skills are important. About the Role We are seeking a … for workstations and servers in our expanding trading operations. This role involves working on desktops and data centers, with frequent interaction across various organizational levels. Skills & Attributes: Fluency in Linux administration is essential Experience with Debian/Ubuntu preferred Ability to complete tasks independently and handle frequent context switches Scripting experience in bash and python preferred; SQL and Perl More ❯
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Senior Linux System Engineer / Administrator - Trading

Greater London, England, United Kingdom
East End Resources
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 ❯
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Senior Linux Administrator

Sheffield, England, United Kingdom
JR United Kingdom
employees and 52 offices in 20 countries, Synechron has a strong global presence. For more information, visit our website or LinkedIn community. We are looking for a Linux Systems Administrator with the following skills and experience: Proficiency in Linux (RHEL) Operating System and Cluster environment (VCS Infoscale) Experience with DevOps tools, orchestration, and configuration management (Ansible, Jenkins More ❯
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Senior Linux System Engineer / Administrator - Trading

Slough, England, United Kingdom
JR United Kingdom
Senior Linux System Engineer/Administrator - Trading, slough Client: East End Resources Location: slough, United Kingdom Job Category: Other Online job hunting tools - EU work permit required: Yes Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: 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 our users directly and interact with them frequently. Good communication skills are important. About the Role We are seeking a hands-on professional for our … both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Online job hunting tools Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience scripting in bash and python More ❯
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Experienced/Lateral - Linux Systems Administrator

London, England, United Kingdom
Five Rings LLC - Careers
all systems work both on the desktops and in the datacenters, Five Rings Systems Administrators frequently interact with users at various levels all across our organization. We are a Linux shop both on the server side and the trader desktops. Our firm runs Windows servers very rarely and Windows desktops as needed. Skills & Attributes: Fluency in Linux administration … is a must Experience in Debian/Ubuntu preferred A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience with: BIND Ansible Linux KVM Zabbix Google workplace collaboration and productivity tools Some Windows administration skills are a plus, but not required Experience scripting in bash and python is preferred, SQL and Perl a plus Knowledge More ❯
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Linux Administrator
10th Percentile
£46,250
25th Percentile
£52,500
Median
£65,000
75th Percentile
£80,000
90th Percentile
£80,500