Overview In this role you will strengthen a high-performance Linux-driven trading platform for a global quant firm. You will collaborate with a top-tier team to build and automate core systems powering proprietary trading, applying deep OS...Read More>>.

Overview In this role you will support a UK-based, high-frequency trading infrastructure expanding over the next 6–12 months. You’ll work within a small, cross-functional team to maintain hardware, networking, and software build pipelin...Read More>>.

Overview As a Linux Systems Engineer at a leading fintech trading firm, you will design and maintain our global Linux-based server and network stack, driving automation and scalable ops. You will work within a collaborative infrastructure t...Read More>>.

Overview In this role you will support a high-profile quant hedge fund’s development team as a Junior Linux Systems Engineer. You’ll build and maintain Linux servers, VMs, containers, and mixed environments, while shaping storage and ne...Read More>>.

Overview As a Linux Systems Engineer, you will help design, build, and sustain the infrastructure that provisions products across media, radio, and advertising. You’ll operate in a fast-growing SME environment with clear paths to impact a...Read More>>.

Overview In this role you will maintain and optimize a Linux-based platform powering high-frequency trading systems. You will join a highly skilled team known for rigour and innovative culture, working with a mix of in-house and open-source...Read More>>.

Overview As a Linux Systems Engineer in a high-profile trading environment, you will design and support highly available Linux estates across a modern tech stack. You’ll work alongside a senior Linux administrator to support production sy...Read More>>.

Overview In this role you will support mission-critical trading infrastructure for a leading fintech client. You will work within a dedicated support team, collaborating with sales and engineering to maintain high-availability systems. You...Read More>>.

Overview In this role you will support a global data center portfolio, focusing on architecture, implementation, troubleshooting and optimization in a fast-paced trading environment. You collaborate with software engineers, traders and infr...Read More>>.

Overview In this contract role, you will support the creation, maintenance and testing of software builds for SystemCanada, operating within a corporate IT environment. You will manage version control and traceability, and oversee maintenan...Read More>>.

Overview In this Senior Linux Engineer role, you design, build, and optimize cutting-edge Linux-based infrastructure for a leading trading and research environment. You will work within the Quant Systems team in London to shape compute, sto...Read More>>.

Position Overview Contract - 6 months Seeking a mid-level Linux Systems Engineer to join a Storage Engineering team. This role focuses on platform integration, compliance testing, and process documentation to ensure a high-p...Read More>>.

OverviewThis range is provided by The HALO Trust. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeRole: Microsoft Systems AdministratorC...Read More>>.

OverviewSite Reliability Engineer role at Tribal Group. Remote UK-based opportunity.This is a full-time remote role focused on maintaining reliable, scalable, and high-performance SaaS services across cloud environ...Read More>>.

A recruitment agency is seeking a Customer Support Engineer with a strong background in Linux systems to join a growing technical support team. This role involves supporting installations and ensuring system configurations are effective and reliable....Read More>>.

Get AI-powered advice on this job and more exclusive features. Chapman Tate Associates provided pay range This range is provided by Chapman Tate Associates. Your actual pay will be based on your skills and experience — talk wi...Read More>>.

Miller Maxwell Ltd in Greater London is looking for a Linux Systems Administrator to manage and optimise Linux servers and automate operational tasks. You will troubleshoot performance issues and work closely with engineering teams to enhance stabili...Read More>>.

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3....Read More>>.

Alpha International runs a Salesforce instance that sits at the heart of how it operates — managing relationships, tracking fundraising activity, and keeping data clean and useful across the organisation. This role is the primary administrato...Read More>>.

System Recruitment is seeking an experienced C/Linux Software Developer for a hybrid role accessible from the Southampton area. The position focuses on building and maintaining compact C code on Linux, integrating authentication components, and su...Read More>>.

Randox Laboratories is seeking a Learning Systems Administrator to join the training team. You will support onboarding, maintain LMS/QMS records, and coordinate learning events to ensure compliant training across the organisation.The role r...Read More>>.

SoCode Limited in Cambridge is seeking a Systems Administrator to manage and support a hybrid IT environment spanning on‑premise and cloud services. You will mentor junior staff, act as a senior escalation point and contribute to continual impro...Read More>>.

SoCode Limited in Cambridge is seeking a Systems Administrator to manage a hybrid IT environment spanning on-premise and cloud services. You will work with infrastructure colleagues, support technicians and stakeholders to keep systems secure, res...Read More>>.

Elevate your career at Wood County Hospital, where you’re not just a number – you’re a vital part of a team making a real difference. Systems Administrator / Information Services / Full Time / Days The Systems Administrator...Read More>>.

Flogas Ireland is seeking an IT System Administrator to join our IT Team on a permanent contract. The role focuses on troubleshooting complex issues, maintaining IT systems, and ensuring minimal disruption to business operations.You will pr...Read More>>.

DYWIDAG is seeking an IT System Administrator based in the UK (Southam area) to provide desktop and systems support for UK users and factory systems. You will work with IT Managers to develop and maintain structured SLA agreements and drive adopti...Read More>>.

Alpha International runs a Salesforce instance that sits at the heart of how it operates — managing relationships, tracking fundraising activity, and keeping data clean and useful across the organisation. This role is the primary administrato...Read More>>.

G-Research is seeking a Platform Desktop Engineer in London to own and operate the Linux image build pipeline and provisioning tooling. You will work with OpenStack and Ironic to scale bare metal and VM provisioning, while maintaining security, mo...Read More>>.

Fort Recruitment seeks a Senior System and Network Administrator to own and optimize the global IT backbone for a marine energy company. You will design and secure network infrastructure, manage cloud and on-site environments, and automate operati...Read More>>.

Esprow is seeking a System Administrator to join our technology team. You will maintain, upgrade and manage our software, hardware and networks to keep our infrastructure reliable and secure.Key duties include installing and configuring sys...Read More>>.

SECURITY CLEARANCE: This position involves working within the UK Defence industry, requiring the applicants to be UK Nationals Only (No Dual Nationals) and able to be security cleared to a UK SC level.,Architect and Maintain Infrastruc...Read More>>.

Job Description:SECURITY CLEARANCE: This position involves working within the UK Defence industry, requiring the applicants to be UK Nationals Only (No Dual Nationals) and able to be security cleared to a UK SC level.LOCATION:...Read More>>.