Overview In this role you will maintain and optimize Linux-based systems at scale to enable rapid, reliable cancer research. You will work with a cross-functional team of researchers and engineers to keep the infrastructure available and ef...Read More>>.

Overview In this role, you ensure the stability of critical applications by performing production support and automation for container-based environments. You will work with platform, engineering and delivery teams to provide seamless infra...Read More>>.

Overview In this role you will manage Linux (and to a lesser extent Windows) systems, ensuring installation, configuration, and ongoing maintenance. You will drive performance and reliability through innovative solutions while collaborating...Read More>>.

Overview In this role you will support a high‑performance Linux environment powering ultra‑low latency trading. You will work closely with cross‑functional teams to monitor, optimize, and troubleshoot the production and development pl...Read More>>.

Overview In this role, you will design, implement, and support scalable technology solutions for on‑premises and Azure environments. You’ll build self-service capabilities and automate deployments to improve efficiency. You’ll ensure...Read More>>.

Overview In this role you will support and automate a diverse enterprise tech stack for a high-profile systematic fund. You’ll manage Windows and Linux environments, storage and clustering solutions, and a modern communications platform....Read More>>.

Overview As a Junior Linux Systems Administrator, you will support a global Linux infrastructure for a well-known retail trading business. You’ll monitor mission-critical systems to ensure uptime and performance and help implement new tec...Read More>>.

Overview In this role you will own the Windows infrastructure that underpins critical business operations. You will maintain and improve a mixed Windows and Linux environment across physical and virtual machines, with a focus on Windows ser...Read More>>.

Overview In this role you will provide operational support for large, global-scale systems used in building management and physical security. You will work with a ticket-based workflow to troubleshoot and resolve issues, collaborating with...Read More>>.

Overview In this role you will support a university’s advancing research infrastructure by applying your Linux expertise to maintain and scale systems. You collaborate with researchers and IT teams to ensure reliable HPC storage, data man...Read More>>.

Overview In this role you will shape and operate a university-wide research computing service, building and evolving Linux-based infrastructure for HPC, HTC, and emerging AI/GPU platforms. You will work with researchers and cross-functional...Read More>>.

Overview In this role you will own and govern core IFS master data to support global business processes. You will work across functions to ensure data is accurate, consistent, and ready for day-to-day operations, including onboarding new un...Read More>>.

Overview As a Systems Administrator, you will own the day-to-day IT function for the UK and Europe, acting as a trusted expert for IT requests in a hands-on capacity. You’ll manage IT systems, devices, security, SaaS, and office technolog...Read More>>.

Overview In this role you will maintain and improve the client’s infrastructure within a fast-moving, innovative startup. You’ll ensure security, resilience, and reliable backups while monitoring server health and supporting data reques...Read More>>.

Overview In this role you will co-manage the Linux, Windows, and networking infrastructure for a growing quantitative hedge fund, ensuring high availability and robust security. You’ll work with a scientific, fast-moving team to diagnose...Read More>>.

Overview In this role you support the core infrastructure underpinning leading trading systems for banks and institutional clients. You will join a fast-paced Support team, collaborating with sales and engineering to keep mission-critical s...Read More>>.

Overview In this role you support a diverse tech environment spanning Windows and Linux servers, VMs, containers, and storage-heavy infrastructure. You will work with a cross-functional team to maintain network services, architecture, and o...Read More>>.

Overview As Senior HPC Systems Administrator you will lead the design, deployment, and ongoing evolution of the labs HPC infrastructure to support world-leading AI research. You will collaborate with researchers, software engineers, industr...Read More>>.

Overview In this Lead Infrastructure Production Management & Reliability Engineering role, you own the reliability and evolution of Morgan Stanley’s Linux-based infrastructure. You will work across a complex mix of open-source, in-house c...Read More>>.

Get AI-powered advice on this job and more exclusive features.Direct message the job poster from Hunter BondSenior Headhunter at Hunter Bond| London | New York | Singapore | Montreal |Specialising in Infrastructure Engineering...Read More>>.

OverviewWe are seeking an experienced Linux System Administrator to join our Infrastructure team. This role is critical in supporting the migration of a key enterprise application from Solaris to Red Hat Enterprise Linux (RHEL), in...Read More>>.

Hybrid - 2-3 days a week in office (London, Liverpool Street)Join a high-growth UK banking business supporting 200+ fintech partners through Banking-as-a-Service infrastructure. This is a key role in building a modern, automated I...Read More>>.

Contract - Microsoft 365 Subject Matter Expert Location: London - OnsiteType: Contract - 6 month durationSalary / Day Rate: Competitive The Opportunity We're partnering with a highly respe...Read More>>.

Building 2, Moretown, Floor 54 Thomas More StreetLondon, LON E1W1YW, GBR We are seeking a proactive and detail-orientedGlobal Financial Systems Administratorto oversee the administration, optimization, and support of our e...Read More>>.

Systems Administrator / Engineer (Solace Messaging Linux Networking) London / WFH to £100kDo you have Solace message system administration skills?You could be progressing your career at a global brokerage and...Read More>>.

Career Moves are partnering with a respected, long‑standing property real estate companybased in the heart of London that is seeking an experiencedBusiness Systems Analystto join their team.The Business Systems Administrator will play...Read More>>.

About M.C. DeanM.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterpri...Read More>>.

VE3 City Of London, England, United KingdomJoin or sign in to find your next jobJoin to apply for the AWS DevOps & System Administrator role at VE3VE3 City Of London, Englan...Read More>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...Read More>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale. Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinic...Read More>>.

Side is seeking an IT Systems Administrator to join its global IT Support team in London. You will maintain corporate servers, network infrastructure, and desktops (Windows, Mac, Linux) and manage Active Directory, Office 365, Intune, and security...Read More>>.

Looking for your next opportunity in network infrastructure? Join a global technology services provider that has spent over two decades helping ambitious organizations connect their people, systems, and ideas. Building on this strong fou...Read More>>.

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Abtrace is seeking a Systems Administrator to own internal infrastructure, identity and endpoint estate. You will manage AWS, Microsoft 365, Intune and hybrid work practices in a small team, handling support tickets and security/compliance in a NH...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>>.

Career Moves are partnering with a respected, long‑standing property real estate company based in the heart of London that is seeking an experienced Business Systems Analyst to join their team.The Business Systems Administrator will play...Read More>>.

Salt Digital Recruitment is seeking a DV-cleared Senior Linux System Administrator to join a security-focused team supporting a large-scale UK national infrastructure big data platform. The role emphasizes on-site delivery with strict DV clearance...Read More>>.

Career Moves Group I B Corp™ is partnering with a leading London-based property real estate company to recruit an experienced Business Systems Analyst. You will own horizon platform administration, collaborate with stakeholders, and drive system...Read More>>.

Linux Systems Administrator / DevOps Engineer The Environment The company are a market-leading European financial technology company and transaction venue provider at the cutting edge of modern market infrastructure. Driven by...Read More>>.

Shield AI is seeking a highly autonomous Staff Systems Administrator to serve as the accountable technical owner for enterprise IT infrastructure and end-user computing within a dedicated, security-sensitive entity environment. This senior individ...Read More>>.

Who we are: For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communi...Read More>>.

Shield AI is seeking a highly autonomous Staff Systems Administrator to serve as the accountable technical owner for enterprise IT infrastructure and end-user computing within a dedicated, security-sensitive entity environment.This senior i...Read More>>.

At McLaren Racing, we’re not just here to try to take the chequered flag. We’re here to excite our fans, inspire our people and deliver for our partners. And we’re also committed to evolving our sport, our industry, and our technology, to...Read More>>.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BATaircraft, and Aechelon simulation and synt...Read More>>.

Abtrace is tackling one of the hardest problems in healthcare: helping primary care deliver proactive, preventative care at scale.Based in Paddington, London, our team of doctors, researchers, engineers and data scientists builds clinical alg...Read More>>.

Title: Senior Network AdministratorKBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture o...Read More>>.

Lead IT Network Administrator, Network, Voice, AV KBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is...Read More>>.

About Indra Group UK & IrelandIndra is a leading global technology and consulting company, and a trusted technological partner for the core business operations of its clients worldwide. It stands at the forefront of key sectors including...Read More>>.