Our client is a global IT services company.Job Description:Linux - System Administrator Location: Cheltenham ( 5 Days on Site) Due to the nature of the work and the customers we support, the succ...Read More>>.

Overview As Linux Systems Engineer at Quant Capital's fintech client in London, you will manage multi-site, internet-facing Linux infrastructure with high security requirements. You will drive threat detection, security automation, and infr...Read More>>.

Overview In this role, you design, build and maintain the private cloud infrastructure that underpins TMX’s IT services. You work within IT & InfoSec alongside Infrastructure, Networking, and Service Delivery teams to ensure reliable, sca...Read More>>.

Overview In this role you will apply deep technical expertise to support Cubic’s Transportation technologies in a fast-paced, customer-facing environment. You’ll troubleshoot incidents, manage tickets, and collaborate with IT teams to e...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 Visa’s client institutions by managing endpoint systems connected to core Visa services, ensuring high availability and secure deployments. You will collaborate with global teams, vendors, and client...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 senior hands-on role, you will shape global Linux-based infrastructure for a leading quantitative trading firm. You’ll operate across datacentres, cloud, and offices, driving secure, high-availability systems at scale. Yo...Read More>>.

Overview In this role you will own and grow Riverlane’s core HPC and Linux infrastructure to support cutting-edge quantum error correction research. You will lead day-to-day HPC cluster administration while shaping long-term plans for a s...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>>.

UK | Full-TimeThe Mission: Source.devOur founders spent over a decade at Google shaping the Android operating systems - building and shipping the software that now runs on billions of devices. They didn't just...Read More>>.

Point72 is seeking a small number of highly talented interns to assist in the development, optimization, and monitoring of our production trading platform and research infrastructure. Interns will work on small, highly collaborative teams.C...Read More>>.

Neutral Street is seeking a seasoned architect to optimize a high-performance Linux environment for trading systems. The role focuses on latency, throughput, security, and reliability of OS configurations.You will tune the kernel, automate...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>>.

Department Overview Global Enterprise Services (GES) is one of the foundational divisions of the TMX Group, that empowers internal TMX business lines for their technology needs, operations and digital innovation. GES as a client centri...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>>.

Position: Software Engineer (Bash and Shell Script) Type: Hourly contract Compensation: $80–$90/hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities...Read More>>.

Overview The Trade Desk is a global technology company with a mission to create a better, more open internet for everyone through principled, intelligent advertising. Handling over 1 trillion queries per day, our platform operates at a...Read More>>.

Leonardo UK Ltd is seeking a Linux Systems Engineer to shape secure endpoint solutions for high-profile clients. You will operate at the intersection of Linux internals, networking, and security, delivering robust, scalable systems.Based in...Read More>>.

We're looking to strengthen our IT Infrastructure Team with a Linux / Network Engineer. This role reflects increasing demand for Linux and networking expertise across both our client project work and our core infrastructure, including a planned...Read More>>.

Position Summary The Systems & Applications Administrator is responsible for the administration, maintenance, support, and continuous improvement of the organization's server infrastructure, enterprise technology platforms, and busines...Read More>>.

Elliott Moss Consulting Pte. Ltd. is seeking an experienced Tableau Server Administrator to manage and optimize Tableau Server environments across Dev, QA, and Production. You will lead upgrades, set user permissions, govern sites, and automate ad...Read More>>.

KBR, Inc. seeks a Senior IT Systems Administrator (Linux & HPC) to own and operate Linux-based enterprise and HPC platforms, including SLURM scheduling, Nvidia Base Command Manager, and CycleCloud. You will work with engineering and scientific use...Read More>>.

Oho Group in Cambridge is seeking a Linux Kernel Engineer to join a highly technical embedded software team. You'?ll work close to the hardware, focusing on Linux kernel development, system programming, performance optimisation and low-level debug...Read More>>.

University of Oxford is seeking a Senior Research Systems Administrator to shape a University-wide research computing service. You will combine Linux expertise with HPC/HTC, container and AI technologies to build reliable platforms and influence s...Read More>>.

Glasgow Caledonian University is seeking a Senior Linux Administrator to lead the Linux infrastructure within the Information Services Directorate. The role focuses on owning critical systems, maintaining network services, and driving automation a...Read More>>.

AdvertApplications are invited for the post of Senior Linux Administrator (Senior IT Advisor) within the infrastructure team in the University's Information Services Directorate.The successful applicant will join a small team of...Read More>>.

Oliver Bernard partners with a world-leading systematic trading firm in London to hire a senior Linux engineer for its Infrastructure teams. You will work on sophisticated trading systems, write software, filesystems and tools, and collaborate wit...Read More>>.

Jane Street is seeking Linux Engineers to join the team maintaining its critical infrastructure that underpins the firm's technology. The role covers a broad range of areas from the physical hardware to workload orchestration, with opportunities t...Read More>>.

smartTrade Technologies is a software publisher specializing in the trading and finance sector. Its clients primarily include investment banks, stock exchanges, brokers, and pension funds. smartTrade enables real-time computerized management of fi...Read More>>.

smartTrade Technologies in the United Kingdom seeks a hands-on Linux Systems & Datacenter Administrator to own the Slough (Equinix) environment and contribute to our private cloud. The role blends Ubuntu Linux, Windows admin, container platforms (...Read More>>.

Job Description: Linux - System Administrator Location: Cheltenham ( 5 Days on Site) Due to the nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contrac...Read More>>.

Hybrid | Must be located in the Berkshire area for easy access to data centres£65,000 per annumWORK WEEK IS TUESDAY - SATURDAYIs this the Linux & Datacentre Administrator role for you?Creideas are partne...Read More>>.

Role OverviewWe are seeking a hands-on Linux Systems & Datacenter Administrator to join our Europe Operations team. You’ll be the on‑the‑ground owner for our Slough (Equinix) environment and a key contributor to our global private c...Read More>>.

Hybrid - 3 days in the officeLocation: London, CityA globally recognised independent trading business that have a strong focus around market making, brokerage services and low latency algorithmic tra...Read More>>.

Keysight is seeking a Senior Staff GPU Engineer to lead the design, development, and delivery of complex software solutions across the full product lifecycle. You will mentor engineers and drive innovation with deep expertise in CUDA, C++, and Lin...Read More>>.

Referment is working with a global investment and technology organisation to hire a Senior Linux Infrastructure Engineer for its Platform Engineering team. This is a hands‑on role in a global, cross‑platform group responsible for core infrastr...Read More>>.

Airbus Defence and Space Limited in Stevenage is seeking a professional Linux Systems Administrator to join our Digital Engineering team. You will design, deploy and maintain Red Hat Enterprise Linux environments and automate with Ansible to suppo...Read More>>.

AIRBUS Defence and Space Limited is seeking a professional to join the Digital Engineering team in Stevenage. The role focuses on reliably operating Linux infrastructure and leading technical strategies to support diverse engineering projects....Read More>>.

Airbus Defence and Space is seeking a Linux Infrastructure Engineer in Stevenage to design, provision and maintain the Linux systems underpinning our development environment.You will provide technical leadership, ensure deployment maturity,...Read More>>.

AMD seeks high-caliber graduate software engineers to design and implement system software for AMD's FinTech accelerated networking platform. Based in Cambridge, UK, this role offers hybrid work with 3 days in the office and exposure to high-perfo...Read More>>.

AMD is seeking high-caliber graduate software engineers to design and implement system software for its FinTech accelerated networking platform in Cambridge, UK. The role sits in the Datacentre Group and offers a hands-on opportunity to work on hi...Read More>>.

Advanced Micro Devices, Inc. (AMD) seeks graduate software engineers to design and implement system software for the FinTech accelerated networking platform.Based in Cambridge, UK, you will join a high-performance team developing software t...Read More>>.

Amentum is seeking an Entry Level High Performance Computing (HPC) Engineer to join our team in Corsham, UK, to grow into a key contributor supporting and evolving our HPC infrastructure. This role emphasizes Linux systems, computing performance,...Read More>>.

East Lancashire Hospitals NHS Trust is seeking an Estates System Support Worker to provide administrative and systems support to the Estates Services team across the organisation. You will handle the E&F Helpdesk, maintain estates databases, and i...Read More>>.

Role:Systems and Data AdministratorLocation:OxfordshireSalary:£38.000 FTEHours:22.5 to 30 hours per weekContract:PermanentHelp us use technology to make a...Read More>>.