1 to 25 of 72 Permanent Senior Infrastructure Engineer Jobs in London

Senior Infrastructure Engineer (Networking Azure) London/WFH to 90kAre you a senior, hands-on Infrastructure Engineer with strong networking expertise who enjoys combining technical delivery with change and transformation projects You could be joining a growing technology team as they transition towards … more cloud-first, globally aligned infrastructure estate, while continuing to support a complex hybrid environment.As a Senior Infrastructure Engineer, you'll provide 3rd line technical expertise across Azure, on-premise infrastructure, networking and firewalls, taking ownership of complex incidents, infrastructure changes and transformation initiatives. ...

Senior Infrastructure Engineer Imagine stepping into a Senior Infrastructure Engineer role where you will directly influence the design and delivery of large-scale residential developments across the UK. This opportunity offers you the chance to shape schemes from concept through to construction while progressing … your leadership and technical expertise. You will be joining a newly expanding infrastructure team based in London, working with major residential developers on projects ranging from 50 units to several thousand homes. This permanent role sits within a specialist team of drainage, highways and development infrastructure experts. What ...

Senior Infrastructure Engineer - Networking, Fortinet, Cybersecurity, Cloud70K - 92kPermExciting career opportunity available for a Senior Infrastructure Engineer with strong Networking Fortinet experience to join a small dynamic team in Central London.Essential for this job is strong hands-on Fortinet configuration experience. This job will provide … with the opportunity to provide technical depth across our client's core Technology estate with responsibility spanning infrastructure, cloud operations and network infrastructure, strengthening 3rd line operational capability in a more service-led environment. They have a lot of project work in addition to some BAU work ...

Senior Infrastructure Engineer - Networking, Fortinet, Cybersecurity, Cloud70K - 92kPermExciting career opportunity available for a Senior Infrastructure Engineer with strong Networking Fortinet experience to join a small dynamic team in Central London. Essential for this job is strong hands-on Fortinet configuration experience. This job will … provide you with the opportunity to provide technical depth across our client's core Technology estate with responsibility spanning infrastructure, cloud operations and network infrastructure, strengthening 3rd line operational capability in a more service-led environment. They have a lot of project work in addition to some ...

Senior Infrastructure Engineer – Trading TechnologyLondon – Hybrid120,000-180,000 total compQuant Capital is working with a global market-making firm looking for a senior infrastructure to lead the buildout and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems.This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function ...

About the role Senior Infrastructure Engineer (Cloud & Network) | London (Hybrid) We're looking for a Senior Infrastructure Engineer to help shape and support a modern, cloud-first technology environment. This is a hands-on role for an experienced infrastructure professional who enjoys working … cloud, networking and hybrid environments. You’ll play a key role in maintaining and improving our technology estate, providing 3rd line expertise, supporting major infrastructure initiatives and helping drive the transition towards a more modern and globally aligned technology platform. What you'll be doing Acting as a senior ...

Full time40k-50kTue, 01 Sep 2026 "> published - Tue, 01 Sep 2026Job SummaryWe are seeking an experienced and proactive Senior Network Infrastructure Engineer to join our Information Services department and play a key role in delivering and supporting critical IT infrastructure across the British Museum.Job DescriptionThis … excellent opportunity for an established infrastructure professional with strong networking expertise who enjoys combining hands-on technical work with operational oversight. Working within a small and collaborative technology team, you will help ensure the stability, security and performance of our network services, supporting colleagues across the organisation to deliver ...

Infrastructure Engineer Fintech Azure80,000 + 25%Quant is urgently looking for an Infrastructure Engineer to join our high profile client.Our client is a well known commodity trading platform. All their clients have recently moved to a SAAS platform and this role looks to push … team towards Automation and Devops.Day to Day the Infrastructure Engineer will:Supporting the business in day to day operations, as well as facilitating business changes.Contribute to the development and evolution of infrastructure that is appropriate for the current needs as well as scalable for the future needs ...

Senior Infrastructure EngineerEpsom & Barbican, London | Hybrid Working (One office day a week) | Permanent | Full-TimeCompetitive salary available, depending on experience37.5 hours per weekOverviewThe Senior Infrastructure Engineer role is responsible for designing, implementing, and maintaining the core infrastructure that underpins the organisation’s applications … services. This role blends hands‐on engineering with strategic thinking, ensuring systems are secure, scalable, resilient, and aligned with long‐term business goals. The engineer acts as a subject‐matter expert, mentor, and key contributor to architectural decisions.Key Responsibilities will include:Design and evolve cloud and on‐premises infrastructure ...

Senior Linux Infrastructure Engineer – Systems & PlatformLondon – Hybrid200,000-350,000 totalQuant Capital is partnered with a global systematic trading firm seeking a Senior Linux Infrastructure Engineer to join a high-impact platform engineering function. The team owns core infrastructure across datacentres, cloud environments … global offices, supporting both investment activity and large-scale engineering workloads.This role suits a deeply technical engineer who understands large distributed systems, low-level Linux internals, and the realities of running secure, high-availability infrastructure at scale.What you’ll do• Design, operate and improve global Linux-based infrastructure ...

Senior Linux Infrastructure Engineer – Systems & PlatformLondon – Hybrid200,000-350,000 totalQuant Capital is partnered with a global systematic trading firm seeking a Senior Linux Infrastructure Engineer to join a high-impact platform engineering function. The team owns core infrastructure across datacentres, cloud environments … global offices, supporting both investment activity and large-scale engineering workloads. This role suits a deeply technical engineer who understands large distributed systems, low-level Linux internals, and the realities of running secure, high-availability infrastructure at scale. What you'll do Design, operate and improve global Linux ...

Senior Azure Infrastructure Engineer We are looking for an experienced Senior Infrastructure Engineer to support a major cloud transformation programme, migrating business-critical applications and databases from on-premise infrastructure into Microsoft Azure. This is a hands-on role combining cloud engineering, automation … technical leadership. You will design and implement secure, scalable and resilient Azure environments while helping shape the organisation's long-term infrastructure strategy. Key responsibilities: Design and deliver Azure cloud and hybrid infrastructure solutions Support application and database migrations into Azure Build and manage infrastructure using Terraform ...

Senior Network & Infrastructure Lead Engineer Location: Hybrid, South London Job Type: Permanent We're looking for an experienced Senior Network & Infrastructure Lead Engineer to take technical ownership of a business-critical enterprise network and Nutanix infrastructure environment. This is a hands-on senior engineering role for someone who enjoys solving complex technical problems, improving infrastructure and taking ownership of how technology performs across a large and distributed estate. You'll be the technical authority for enterprise networking and Nutanix infrastructure, working across architecture, engineering, troubleshooting, resilience and continuous improvement. ...

Senior Infrastructure Engineer – Quantitative Hedge FundPermanent 100,000-120,000 + bonusFull-Time, Office-Based – City of London Industry Competitive Salary + bonusQuant Capital is urgently looking for a Senior Infrastructure Engineer. We are partnering on this search with our client, a long-established … focused environment, this is a unique opportunity to join a small team where your impact will be significant in shaping the future of the infrastructure environment.This role is ideal for infrastructure engineers who enjoy ownership, want to shape an evolving IT landscape, and thrive in a hands ...

Quest Search & Selection are partnering with a well-established, multi-site retail business to recruit a Senior IT Engineer - Infrastructure. This is an excellent opportunity to join a growing IT team, playing a key role in maintaining and enhancing technology across head office, distribution and retail locations. … Role As a Senior IT Engineer, you'll be responsible for supporting and maintaining the company's core infrastructure while delivering projects that improve stability, performance and scalability across the estate. You'll also act as an escalation point for technical issues and help ensure the successful ...

Infrastructure Engineer – Automation55,000 + bonus, shares and non-contributiry pensionQuant Capital is urgently looking for an Infrastructure Engineer with some Powershell to join or well known Fintech50 client who produces software disrupting the wealth management market. Currently they stand at 300 in the UK with … almost 3000 clients.The firm runs a modern infrastructure with the latest windows versions and sits on AWS, so if you want to play around you will be encouraged. The CEO has an open desk and works closely with every team member.I am looking for an experienced Engineer with ...

Infrastructure Engineer – Automation55,000 + bonus, shares and non-contributiry pensionQuant Capital is urgently looking for an Infrastructure Engineer with some Powershell to join or well known Fintech50 client who produces software disrupting the wealth management market. Currently they stand at 300 in the UK with … almost 3000 clients. The firm runs a modern infrastructure with the latest windows versions and sits on AWS, so if you want to play around you will be encouraged. The CEO has an open desk and works closely with every team member. I am looking for an experienced Engineer ...

have an excellent opening for a Senior Infrastructure Engineer to join our clients growing team. Our client has been around for over 20 years has grown to become a leading independent development consultancy with offices throughout the UK.As a valued Senior Engineer in the team … this will be an exciting opportunity for you to join and support with the growth of the Infrastructure Design expertise for the future.What’s on offerHybrid WorkingPrivate health careCar allowanceEnhanced PensionBonus schemeThe RoleYou’ll be working closely with the Infrastructure team for the production of engineering designs ...

## Senior Cyber Infrastructure Engineer, Professional ServicesApplylocations: London Office, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: JR102111Darktrace is a global leader in AI-driven cybersecurity, helping organizations stay ahead of evolving threats every day.Darktrace was built on a genuinely differentiated idea: that Adaptive … Description:**Following the rapidly continued growth of our customer base, Darktrace are looking to add to our post-sales team of Cyber Security Infrastructure Engineers. As a Senior Cyber Security Infrastructure Engineer in the Professional Services organisation, you will ensure Darktrace is deployed, integrated, and optimized ...

powering the future of physical AI. Founded in 2017 and now valued at $15 billion, the Silicon Valley company is creating the digital infrastructure needed to bring intelligence to every moving machine on the planet. Applied Intuition services the automotive, defense, trucking, construction, mining and agriculture industries in three … core areas: tools and infrastructure, operating systems, and autonomy. Eighteen of the top 20 global automakers, as well as the United States military and its allies, trust the company’s solutions to deliver physical intelligence. Applied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C.; San Diego ...

/DV Cleared Senior Infrastructure Engineer Location: London - 2-3 days per week onsite Rate: Up to £625 per day, Outside IR35 Contract Length: 6 months Clearance : Active SC or DV Clearance required I’m looking for an experienced, security-focussed SeniorInfrastructure Engineer to design, implement … support secure Microsoft infrastructure across complex enterprise environments. This is a hands-on role focused on Microsoft infrastructure, identity, security, automation and operational support , with involvement across the full lifecycle of technical projects. Key Skills & Experience Extensive Active Directory experience, including domains, trusts and identity management Strong experience ...

passionate about technology and most importantly hard working team players to join us and be a part of our growing business. Job purpose: The Senior Infrastructure Engineer is responsible for developing, maintaining, improving, and supporting Community Fibre's infrastructure service environments which support our customer-facing … servers/systems as well as ensuring that all our existing ones are maintained, reliable and resilient. The role covers backend systems engineering, infrastructure, and site reliability engineering within the Network Technology group. You should be hungry for hands-on experience, have a desire to think outside ...

people passionate about technology and most importantly hard working team players to join us and be a part of our growing business.Job purpose:The Senior Infrastructure Engineer is responsible for developing, maintaining, improving, and supporting Community Fibre’s infrastructure service environments which support our customer-facing … building new servers/systems as well as ensuring that all our existing ones are maintained, reliable and resilient.The role covers backend systems engineering, infrastructure, and site reliability engineering within the Network Technology group.You should be hungry for hands-on experience, have a desire to think outside ...

Associates is seeking an experienced SC/DV-cleared Senior Infrastructure Engineer for a London-based hybrid role. You will design, implement and support secure Microsoft infrastructure across complex enterprise environments, focusing on identity, security, automation and operations. Active clearance is required, with 2–3 days ...

that’s disrupting London’s fibre network from the ground up. They’re quietly transforming how data moves across the city, laying brand new infrastructure designed specifically for data-heavy businesses that demand speed, reliability, and scale. Recognised as one of the best places to work in recent years … looking to be part of something ambitious, impactful, and built to last, this is the place to be! You'll be joining as a Senior Infrastructure Engineer to play a key role in the design, deployment, and ongoing operation of their core systems. You’ll be responsible ...