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 support the maintenance and development of a Linux-centric estate across hosts, VMs, containers, and storage. You will help refine monitoring, automation, and security while embracing open source to drive performan...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>>.

Linux Systems and Data Centre Engineer Remote / Slough to £65kEnsure you read the information regarding this opportunity thoroughly before making an application.Opportunity to progress your career at a global Fintech solutio...Read More>>.

Senior Embedded Linux / Systems Software Engineer Build mission‑critical technology for the operating room Are you passionate about low‑level Linux systems and medical‑grade software that directly im...Read More>>.

CGI is looking for an experienced System Engineer to join our Space, Defence and Intelligence team in the UK. The role focuses on delivering secure, mission-critical systems for government clients, with strong emphasis on collaboration and innovat...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>>.

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>>.

Leonardo is seeking a Linux Systems Engineer in London for hybrid working (office/remote). You will work at the intersection of Linux internals, networking and security to build secure endpoint solutions for high‑profile clients.You will...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>>.

Join a leading Microsoft partner – Digital, AI & Tech Transformation. Remote role but must be UK based and eligible for SC Clearance. No sponsorship can be offered. We are looking for a GitHub Enterprise Subject Matter Expert (SME)...Read More>>.

Formula 1 is seeking a D365 Systems Administrator to join our IT department. You will maintain and optimise the D365 Finance & Operations environment and integrated systems in line with F1 business goals. You will configure and support D365, build...Read More>>.

Join our dynamic IT team as a SharePoint Systems Administrator where you’ll play a critical role in managing and optimizing our enterprise SharePoint infrastructure. This position requires an active Top‑Secret clearance and offers the oppor...Read More>>.

Senior Business Systems Administrator - Business Systems, ERP, CRM, NetSuite, Salesforce, Integrations, Automation, API, SaaS Applications, Systems Administration, Business Applications, Process Improvement, Stakeholder Management, Chang...Read More>>.

Systems Administrator – Platform Migration & Merge Specialist Location: Basingstoke (hybrid) Job Type: Fixed Term Contract (Until 31st March 2027) Salary: £50k - 80k (Pro Rated for period of hire J...Read More>>.

Who We Are Verve is a global ad-tech company that owns and operates a fully integrated advertising stack, spanning demand, supply, and data. While most companies in our space specialize in one layer of the ecosystem, we own the DS...Read More>>.

Get AI-powered advice on this job and more exclusive features.This range is provided by Prism Digital. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDire...Read More>>.

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting every...Read More>>.

Title: Senior IT Systems Administrator (Linux & HPC) KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-y...Read More>>.

Senior Business Systems Administrator – Business Systems, ERP, CRM, NetSuite, Salesforce, Integrations, Automation, API, SaaS Applications, Systems Administration, Business Applications, Process Improvement, Stakeholder Management, Cha...Read More>>.

The University of Oxford is establishing OxRC, a new university-wide research computing service. As a Senior Research Systems Administrator, you will design, deploy and operate Linux-based infrastructure, spanning HPC/HTC platforms and GPU-enabled...Read More>>.

Henry Schein seeks a System Administrator to co-manage operations across OneWorld XE and higher, Qlik Sense and iSeries automated tasks. The role covers user access, security groups, data dictionary items and environment maintenance, with responsi...Read More>>.

UK date and time: 24-September-2026 12:45Digital and Information Services, Central OxfordWould you like to use your systems expertise to help shape a new University-wide research computing service from its foundations?...Read More>>.

Senior DevOps Systems Administrator Location: Woking, Surrey - Hybrid (1 day per month in the office) Are you an experienced DevOps Systems Administrator or Senior DevOps Engineer ready to take ownership of complex...Read More>>.

Our client is an international manufacturing organisation operating across multiple countries and production sites. The business is undertaking a major digital transformation programme, replacing a fragmented legacy systems landscape with a sin...Read More>>.

Nigel Wright Group is seeking a Global Infor Systems Administrator to own the operational management, administration and continuous improvement of the organisation’s global Infor environment.Joining during the latter stages of implementat...Read More>>.

Systems Administrator - Platform Migration & Merge SpecialistLocation: Basingstoke (hybrid)Job Type: Fixed Term Contract (Until 31st March 2027)Salary: £50k - 80k (Pro Rated for period of hire Aug26-...Read More>>.

Wavenet is seeking a proactive ServiceNow System Administrator to manage and enhance our ServiceNow platform. You’ll ensure stability, usability, and ongoing improvements across ITSM, CSM, and related modules, collaborating with the Platform Own...Read More>>.

Wavenet is a managed services provider offering cybersecurity, communications, and connectivity that grows with our customers’ businesses – no matter what the future holds. Since 2000, we’ve been keeping businesses connected. A...Read More>>.

YO AI Labs is seeking a Salesforce/HubSpot Administrator - Revenue Systems (SaaS) to support a remote UK client project. You will audit and optimise CRM and revenue platforms, resolve data and process inconsistencies, and document complex SaaS wor...Read More>>.

YO AI Labs is seeking an experienced Salesforce / HubSpot Administrator – Revenue Systems (SaaS) to support a customer project focused on operational excellence across CRM and revenue systems. This remote contractor role emphasizes evaluating Sa...Read More>>.

YO AI Labs is seeking an experienced Salesforce and HubSpot Administrator to support revenue systems for a SaaS customer project. You will audit CRMs, resolve data and process inconsistencies, and document operational approaches to complex workflo...Read More>>.

Client Server Limited is seeking a Linux Systems and Data Centre Engineer to oversee production Linux environments in a hybrid role with a focus on Slough data centre operations. You will manage Ubuntu fleets, LXD/LXC, and L3 incident responses wh...Read More>>.

Slough, Berkshire | £55k - £65k per year Linux Systems and Data Centre Engineer Remote / Slough to £65k Opportunity to progress your career at a global Fintech solutions provider. As a Linux Systems and Data Centre Engi...Read More>>.

Network & Computer Systems Administrators Wanted | Remote Contract Opportunity | AI Research Project About the Opportunity We're partnering with one of the world's leading AI laboratories to recruit experienced Network and C...Read More>>.

DHL Supply Chain in Coventry is recruiting for a System Administration role, supporting warehouse operations through administration activities, paperwork processing, IT/WMS system usage, and delivering a high-quality service whilst maintaining acc...Read More>>.