Principal Infrastructure Engineer

NexGen Cloud develops Hyperstack, an AI cloud platform that serves clients ranging from AI researchers to large enterprises with high compute requirements. The company provides both on-demand and private GPU infrastructure, supporting teams where performance is essential. Collaboration and agility shape the team’s approach. Employees regularly use AI tools to tackle complex challenges, accelerate project delivery, and improve enterprise GPU solutions. Role overview The Lead Infrastructure Engineer (OpenStack) works remotely within the UK as part of the Infrastructure department, reporting to the Head of Infrastructure. This position supports Hyperstack’s rapid global growth, focusing on GPU-powered infrastructure for AI, machine learning, and high-performance computing workloads. What you will do Guide and oversee the ongoing development of OpenStack and Kubernetes environments Optimize system performance, reliability, and efficiency Collaborate with the Head of Infrastructure and a skilled team to address scaling needs The technical landscape involves complex OpenStack and Kubernetes deployments that require steady leadership to ensure stability, scalability, and continuous improvement.

NexGen Cloud develops Hyperstack, an AI cloud platform built for researchers and large enterprises with demanding workloads. The company provides on-demand and private GPU infrastructure tailored for teams that require high performance. Collaboration is central to the team’s approach, and AI tools are integrated across the organization to address technical challenges, streamline workflows, and push the limits of enterprise GPU infrastructure. Role overview The Senior Infrastructure Engineer (OpenStack) works remotely from within the UK and reports to the Head of Infrastructure. This position sits within the Infrastructure department and plays a key part in NexGen Cloud’s rapid platform expansion. The role focuses on designing, operating, and enhancing global OpenStack and Kubernetes environments. The work influences infrastructure performance, reliability, and the overall customer experience. This is not a routine maintenance position; it calls for engineers who want to own systems end-to-end and see their impact in production. What you will do Take full responsibility for the design, operation, and continuous improvement of OpenStack and Kubernetes infrastructure Manage infrastructure that is essential to platform performance and reliability Tackle complex technical problems and drive meaningful changes Help ensure customer satisfaction by maintaining stable, high-performing systems

Join our innovative team at stream as a Lead Engineer specializing in Platform & Infrastructure. In this pivotal role, you will lead the design and implementation of scalable infrastructure solutions to support our dynamic platform. You will collaborate with cross-functional teams to develop cutting-edge technologies that enhance performance and reliability.Your expertise will drive best practices in engineering, ensuring that our infrastructure remains resilient and efficient. If you are passionate about building robust systems and leading engineering efforts, we encourage you to apply!

About Tailscale Tailscale builds software that makes secure connections between people and their devices simple, no matter where they are. Individuals and companies of all sizes use Tailscale to protect their networks and streamline internal access. Founded in 2019, Tailscale operates fully remotely and is backed by Accel, CRV, Insight, Heavybit, and Uncork Capital. The team is focused on making the Internet straightforward, practical, and secure, much like its early days. Role Overview: Infrastructure Engineer This remote role is open to candidates based in the United Kingdom. The Infrastructure Engineer will join a growing engineering team, building shared services and tools that support teams across the company. The work covers everything from developing internal processes to managing projects that span from planning through delivery. What You Will Do Create and maintain engineering services and tools that help internal teams succeed. Work with stakeholders across Tailscale to understand their needs and deliver solutions, managing projects from start to finish. Collaborate with internal customer-facing teams to improve their workflows and support their goals. Work with product engineering to gather data for business decisions. Sample projects for this role may include: Improving observability through better metrics, alerting, logging, and telemetry. Finding and delivering improvements to Continuous Deployment pipelines. Using infrastructure as code to make changes in a cloud environment. Partnering with other engineering teams to advance cross-functional infrastructure projects. Automating upgrades for managed services and virtual machines. This position suits someone who works well independently, communicates clearly, and thrives in a remote, asynchronous environment. Key Responsibilities Design, build, test, and document core software components as part of an engineering team. Take responsibility for the operational services behind Tailscale’s product, including building for observability, joining incident response, and supporting customer escalations. Assess and improve system efficiency, scalability, and stability.

Egis Group is seeking a highly skilled and motivated Lead Civil Engineer specializing in water infrastructure projects. In this pivotal role, you will oversee the design and execution of various water management systems, ensuring compliance with industry standards and regulations. You will collaborate with interdisciplinary teams to deliver innovative solutions that address complex engineering challenges.

Who We AreTypeform is not just another form builder; we redefine the way businesses interact with data. With over 150,000 organizations relying on us, we create forms, surveys, and quizzes that engage users and deliver 500 million responses annually. Our platform integrates seamlessly with essential tools like Slack, Zapier, and Hubspot, making data collection enjoyable and efficient.About the TeamAs we transition into an AI-native platform, Typeform is harnessing the power of intelligent agents and real-time systems to revolutionize customer interactions.In the role of Platform Engineer – Infrastructure, you will architect and maintain the critical infrastructure that allows our AI systems to function reliably at scale. Your responsibilities will include developing deployment platforms, streaming systems, compute orchestration, and runtime environments essential for agent-based architectures and advanced AI workloads.You will collaborate at the intersection of platform engineering, distributed systems, and AI infrastructure, working closely with Backend, AI, and Product teams to ensure that our complex systems—from agent streaming pipelines to innovative deployment environments—are scalable, observable, and ready for production.This position is perfect for an engineer who is passionate about building robust infrastructure systems, relishes tackling intricate reliability challenges, and aspires to play a pivotal role in shaping the future of intelligent software at Typeform.

sosafe is looking for an Engineering Team Lead to guide its engineering group in a remote setting across the United Kingdom. This position centers on leading project development, supporting engineers through mentorship, and making sure projects reach completion with strong technical quality. Role overview The Engineering Team Lead will coordinate efforts across the team, set priorities for ongoing projects, and help engineers grow in their roles. The focus is on delivering solutions that meet high standards and keeping projects on track from start to finish. Key responsibilities Lead and organize the engineering team in a fully remote environment Oversee project development and delivery Mentor engineers and support their professional development Ensure solutions meet quality expectations Location This is a remote role open to candidates based in the United Kingdom.

Join Graphcore: Pioneering AI ComputingAt Graphcore, we are at the forefront of developing the next generation of AI computing technology. As a team of semiconductor, software, and AI specialists, we are dedicated to building a comprehensive AI compute stack, ranging from silicon and software to large-scale datacenter infrastructure.As a proud member of the SoftBank Group, we benefit from substantial long-term investments, empowering us to deliver vital technologies within the rapidly growing SoftBank AI ecosystem. To harness the immense potential of AI, Graphcore is expanding its global teams, seeking the brightest minds to tackle the most challenging problems. Here, every individual has the opportunity to significantly impact our company, products, and the future of artificial intelligence.Your RoleAs a key member of our innovative Software Infrastructure team, you will play a crucial role in scaling and managing our infrastructure. Your expertise will be instrumental in developing vital tools and services that support our software teams. You will enhance the build, testing, deployment, and productization processes of our Machine Learning Software components, working with our high-performance computing (HPC) AI platforms, and gaining unparalleled experience in distributed systems.About the TeamThe Software Infrastructure team is responsible for providing essential platforms and services to software development teams across Graphcore. Our duties include managing the Continuous Integration (CI) platform, build engineering, component integration, and system packaging and release. We operate in squads, fostering a culture of ownership and empowerment among our engineers. Our focus is on long-term engineering solutions, striving to eliminate repetitive tasks and improve efficiency.

About Anaplan Anaplan builds AI-powered scenario planning and analysis tools that help businesses make smarter decisions. Over 2,400 organizations worldwide, including Fortune 50 leaders like Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, rely on Anaplan’s platform to stay competitive. Our teams share a strong commitment to client success and a culture that values innovation, diverse perspectives, and celebrating achievements at every level. We focus on strategic goals, value-driven work, and disciplined execution, creating space for growth, recognition, and connection. Role Overview: Principal Infrastructure Engineer Anaplan is hiring a Principal Infrastructure Engineer to lead the design and deployment of a multi-region HashiCorp Vault platform. This role serves as the Subject Matter Expert for secrets management and governance, supporting hundreds of engineers and global clients. This is a hybrid role based in London, with at least two days per week in the office. What You Will Do Architect, design, and implement a new multi-region HashiCorp Vault platform on public cloud infrastructure. Own the solution architecture, maintaining high-quality design documents and Architecture Decision Records (ADRs). Develop and test strategies to ensure platform resilience, including performance, Disaster Recovery (DR), and High Availability (HA). Act as the primary SME for Vault and modern secrets management, promoting best practices across the organization. Work closely with stakeholders, platform teams, and software engineers to integrate their services securely with the Vault ecosystem. Partner with Security to define and meet control requirements for the Vault platform, covering policy standards, privileged access, audit/evidence, and compliance needs. Lead regular security discussions and maintain a proactive security posture within the company.

Join PostHog as a Site Reliability Engineer specializing in Infrastructure. In this role, you will be pivotal in ensuring the reliability, performance, and scalability of our systems. You'll collaborate with cross-functional teams to design and implement robust infrastructure solutions that support our growing user base.

Join AECOM as a Development Infrastructure Engineer and play a pivotal role in shaping innovative solutions within our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining robust infrastructure systems that support our development projects. Your expertise will contribute to the efficient execution of projects, ensuring that all infrastructure components are optimized for performance and reliability.

Elliptic seeks a Lead DevOps Engineer in London to drive improvements in infrastructure and deployment processes. This position plays a key part in supporting integration and delivery across the company. Role overview The Lead DevOps Engineer works closely with various teams to enhance development pipelines. The focus is on maintaining reliable systems and ensuring that integration and deployment run smoothly. Collaboration Regular interaction with engineering and other departments is central to this role. By working together, teams can identify bottlenecks and implement solutions that strengthen overall reliability. Location This position is based in London, United Kingdom.

Palantir Technologies is seeking an Edge Infrastructure Engineer in London to help develop and refine infrastructure solutions. This position involves working closely with teams from different disciplines to support the integration and performance of Palantir’s systems. Role overview This role focuses on building and optimizing infrastructure that supports Palantir’s products at the edge. Collaboration with engineers and other specialists is central to ensuring systems work together smoothly and deliver reliable results. Key responsibilities Develop and improve infrastructure solutions for edge environments Work with cross-functional teams to integrate new technologies and features Monitor and enhance system performance and reliability Location This position is based in London, United Kingdom.

We are seeking a highly skilled Lead Design Manager to spearhead our complex infrastructure projects at United Infrastructure in London. In this pivotal role, you will oversee the design management process, ensuring that all projects meet our high standards of quality and innovation.The ideal candidate will possess extensive experience in leading design teams, managing multifaceted projects, and collaborating with cross-functional departments. You will play a critical role in defining project scopes, timelines, and ensuring compliance with industry standards.

Role overview As a Senior Infrastructure Engineer (AWS) at umed, the focus is on building and maintaining the company’s cloud infrastructure. This position is fully remote and supports the London-based team. The main responsibilities involve designing, implementing, and managing scalable environments within AWS. What you will do Design and implement AWS infrastructure to meet evolving business requirements Manage and fine-tune cloud services to ensure high reliability and strong performance Collaborate with teams across umed to keep services available and responsive Incorporate security and compliance best practices into all infrastructure work Location This is a remote position, supporting the team in London, England, United Kingdom.

Lead Blockchain Payments Engineer - Fiat Ramps & Financial InfrastructureJoin an elite team at the forefront of fintech and high-scale cryptocurrency infrastructure as a Lead Blockchain Payments Engineer. Based in London, this full-time, on-site role offers a competitive salary and the opportunity to work within a high-growth software organization known for its innovation and extreme talent density.The ideal candidate will be a core architect of our financial infrastructure, responsible for designing and scaling services that enable seamless fiat-to-crypto transactions, real-time risk decision-making, and immutable financial records. If you are passionate about building the future of global value transfer and thrive in high-throughput, low-latency environments, we want to hear from you!Key Responsibilities:Payment Orchestration & Integrations: Manage end-to-end orchestration for major banking and card networks, design fault-tolerant APIs, and oversee third-party integrations.Real-Time Risk & Compliance: Build a cutting-edge risk engine, implement foundational KYC/AML practices, and collaborate with compliance teams.Financial Integrity & Reconciliation: Architect a double-entry ledger and automated reconciliation processes to ensure financial accuracy.Blockchain & Wallet Operations: Oversee hot-wallet flows and operational safeguards for the secure delivery of crypto assets.Reliability & Instrumentation: Establish reliability standards and instrument financial flows with comprehensive metrics and logs.

Role Overview Stellar Entertainment is seeking an Infrastructure Engineer to help maintain and improve IT infrastructure at our Guildford, UK office. This role focuses on supporting reliable, high-performing systems and working closely with colleagues across teams. What You Will Do Maintain and optimize IT infrastructure for stability and efficiency Work with cross-functional teams to support ongoing and new projects Contribute to the reliability and performance of company systems Who We’re Looking For Strong interest in technology and infrastructure Commitment to delivering quality solutions Collaborative approach to problem-solving This position is based in Guildford, UK.

Jobgether is looking for an Infrastructure Tech Lead to join the Infra Core team in the UK. This position plays a key part in shaping and delivering infrastructure solutions that support the company’s operations and services. Role overview The Infrastructure Tech Lead will guide the development and rollout of infrastructure systems. The role involves designing, deploying, and maintaining systems that must perform reliably and remain available. Collaboration with cross-functional teams is central to this position, as is a focus on improving how infrastructure supports business needs. What you will do Lead the design, deployment, and maintenance of infrastructure systems Work closely with teams across the company to ensure infrastructure meets requirements for availability and performance Drive projects that enhance operational efficiency and service quality Encourage a culture of ongoing improvement within the team Requirements Strong technical background in infrastructure design and implementation Experience leading teams through complex technical projects Ability to collaborate effectively with multiple departments Commitment to high standards of system reliability and performance

About ClickHouseFeatured on the 2025 Forbes Cloud 100 list, ClickHouse is a pioneering and rapidly expanding private cloud company. With over 3,000 clients and an annual recurring revenue (ARR) growth exceeding 250% year-over-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s remarkable growth was recently underscored by a successful $400M Series D funding round. In recent months, high-profile clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or expanded their existing implementations. These additions complement our established clientele of AI trailblazers and global giants like Meta, Cursor, Sony, and Tesla.Our mission is to revolutionize how organizations leverage data. Join us in this exciting journey!NOTE: This position is open to candidates residing in any EMEA/UK country where ClickHouse is authorized to hire.Join us in reshaping Observability for Developers! We aim to reinvent how engineers monitor, debug, and scale their production applications with HyperDX, now a part of ClickHouse. HyperDX is an open-source platform that converts telemetry data into actionable insights. Visualize a realm where logs, metrics, traces, and session replays harmoniously converge to swiftly identify root causes. If you've ever been roused in the middle of the night, exasperated with Grafana, Datadog, or Elastic for not providing the necessary insights, you'll understand the challenge we are addressing. Now, you can be part of the solution!