Senior Infrastructure Engineer (OpenStack) - Remote

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

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.

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.

Jobgether is hiring for a partner company in the United Kingdom, seeking a Senior Infrastructure & Data Platform Engineer. This role supports a digital HealthTech organization focused on clinical trials and life sciences. Role overview This engineer takes ownership of the cloud and data platform that underpins regulated healthcare applications. The position blends hands-on engineering with architectural direction, helping to shape infrastructure strategy and guide operational improvements. What you will do Oversee cloud and data platforms that support healthcare products subject to compliance and audit standards. Serve as a technical authority, helping define and mature infrastructure strategy. Maintain secure, reliable, and scalable systems to meet regulatory needs. Balance direct engineering work with architectural guidance across cloud infrastructure, data platforms, DevOps practices, and security. Collaborate with engineering, product, and leadership teams to build reliability and enhance the developer experience. Influence platform stability, compliance, and scalability in a mission-driven, high-growth environment. Who this role suits This position fits engineers who combine technical depth with architectural perspective and value cross-team collaboration. Experience in regulated or healthcare settings is helpful but not required. Location United Kingdom (UK)

About Us Develocity is an innovative toolchain observability and acceleration platform, uniquely designed to assist software teams in adopting and enhancing their DORA capabilities, which include continuous delivery. We empower organizations to achieve software delivery excellence through a combination of build and test acceleration and in-depth observability for tools including Gradle Build Tool, Apache Maven™, sbt, npm, and Python. Our solutions cater to both CI and local builds, effectively providing an operational layer across a company’s toolchains to improve speed, troubleshooting, and optimization of both local developer and remote CI feedback loops. Our software is trusted by some of the world's premier software organizations, including Netflix, Airbnb, SAP, and several top ten banks, alongside numerous other significant clients across various sectors. We engage closely with these users to continuously enhance our product offerings. In addition, we collaborate with esteemed organizations such as the Apache Software Foundation, the Commonhaus Foundation, the Scala Center, the Micronaut Foundation, and other open-source projects like Spring, Quarkus, Kotlin, JUnit, and AndroidX to extend the values of Develocity to the open-source community.

Join MUBI as a Senior Infrastructure EngineerMUBI is a renowned global streaming service, production company, and film distributor committed to celebrating exceptional cinema. Our mission is to create, curate, acquire, and promote visionary films that reach audiences worldwide. With passionate teams collaborating across cities like London, New York, Istanbul, Paris, Berlin, and Mexico, we strive to make great cinema accessible to everyone.We invite you to be part of our vibrant global team and contribute to our mission.Role OverviewThis is not your conventional DevOps or ML infrastructure role. As a Senior Infrastructure Engineer, you will build and deliver innovative software solutions, including internal tools, services, and automated processes that address real infrastructure challenges. Your work will encompass automated incident response, intelligent observability, and support ticket management. You will apply agentic patterns to navigate the complexities of operational environments instead of training models or managing GPUs.We are seeking a senior candidate who excels in system architecture, mentors fellow engineers, and leads by example. Your background should include hands-on experience in developing infrastructure applications and tools, demonstrating a willingness to explore new systems, take ownership of challenges, and drive solutions to fruition.Our infrastructure team adheres to SRE principles, focusing on building reliable, automated systems and minimizing operational toil. You will be responsible for developing and maintaining the platforms that empower our engineering teams to deploy, scale, and monitor their services. Your responsibilities will span from managing bare-metal CDN servers to Kubernetes clusters and AI-enhanced workflows.Join us in a small team with high autonomy and direct impact, working in a hybrid model (2-3 days a week in London), with remote work options available for exceptional candidates outside the city.

Shape the Future of CryptocurrencyAt Kraken, our team of dedicated professionals is driven by a shared conviction in the transformative power of cryptocurrency and blockchain technology. We are committed to unlocking the full potential of these innovations.What Sets Us Apart?Kraken is a purpose-driven organization grounded in crypto principles. As a member of our team, you will contribute to our mission of fostering global cryptocurrency adoption, enabling financial freedom and inclusivity for all. Over the past decade, our unwavering commitment to our mission and crypto values has attracted some of the brightest minds in the industry.Before you submit your application, we encourage you to visit our Kraken Culture page to gain insights into our values and internal culture. Additionally, we expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here.As a fully remote organization, we proudly employ Krakenites across over 70 countries, communicating in more than 50 languages. Our team members are industry trailblazers who design top-tier cryptocurrency products catering to seasoned traders, institutions, and newcomers alike. Kraken is resolute in its commitment to world-class security, crypto education, and exceptional client support through offerings such as Kraken Pro, Desktop, Wallet, and Kraken Futures.Join Kraken and Help Build the Future of Cryptocurrency!The TeamThe AI Infrastructure team is responsible for developing and maintaining the production systems that drive intelligent agents at scale. This team forms the backbone of the agent platform, enabling cutting-edge advancements in artificial intelligence.

About ClickHouseFeatured on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands as a pioneering and rapidly expanding private cloud enterprise. With an impressive client base exceeding 3,000 and an annual recurring revenue (ARR) that has surged over 250% year-on-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.Our remarkable growth trajectory was recently underscored by a substantial $400 million Series D funding round. In the last quarter alone, notable clients like Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or enhanced their use of our platform. They join a diverse roster of innovators in AI and global brands such as Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize data utilization for businesses. Be a part of our exciting journey!About the TeamThe Cloud Infrastructure Engineering team is dedicated to constructing and maintaining the essential components of ClickHouse Cloud's data plane. This encompasses computing, networking, security, and a multi-cloud, multi-region architecture designed to deliver a reliable and scalable managed ClickHouse experience for our customers. We are in search of highly skilled and experienced cloud infrastructure software engineers to join our team, responsible for the design, deployment, and maintenance of our infrastructure.

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.

About H Company H Company pursues advances in superintelligence with a focus on agentic AI. The team works to automate complex, multi-step tasks that typically require human involvement, aiming to expand what people can achieve. H Company values curiosity, responsibility, and a commitment to safety in AI. The culture emphasizes openness, ongoing learning, and collaboration, with each person’s input recognized and appreciated. Infrastructure Team Overview The Infrastructure team provides researchers and engineers with the resources they need to do their best work. This group maintains the core infrastructure behind H’s public services, building systems that are reliable, scalable, and ready for growth. Team members shape everything from foundational models to agent systems and public-facing services.

About Graphcore Graphcore is at the forefront of innovation in Artificial Intelligence computing, dedicated to developing cutting-edge hardware, software, and systems infrastructure that will catalyze the next wave of AI advancements and facilitate the widespread integration of AI solutions across diverse industries. As a proud member of the SoftBank Group, Graphcore is part of a distinguished family of companies that are pioneering transformative technologies. Together, we share a bold aspiration: to enable Artificial Super Intelligence and make its advantages universally accessible. Our teams consist of individuals from various backgrounds, each contributing a unique set of skills and perspectives. Comprised of AI research experts, silicon designers, software engineers, and systems architects, Graphcore fosters a culture of continuous learning and relentless innovation. Job Summary Become an integral part of our vibrant Software Infrastructure team, where you will play a crucial role in scaling and managing our infrastructure. You will design and develop essential tools and services that empower our larger software team, significantly improving the build, test, deployment, and productization processes of our Machine Learning Software components. Gain hands-on experience working with our High-Performance Computing (HPC) AI platforms and expand your knowledge in distributed systems. The Team The Software Infrastructure team is responsible for delivering vital platforms and services that support software development teams throughout the organization. Our duties encompass managing the CI platform and services, build engineering, component integration, and packaging and release systems. We operate in squads, promoting a culture of service ownership and empowering our engineers, with a focus on long-term engineering solutions to minimize repetitive tasks. Responsibilities and Duties Develop, oversee, and maintain tools and services to streamline the software build and release process. Deploy and maintain services utilizing Kubernetes and Docker. Manage our Cloud Infrastructure with tools such as Terraform. Mentor and support the technical development of junior and graduate engineers. Exemplify strong engineering discipline to ensure high reliability and reduced toil.

Join dexory as a Senior Infrastructure Engineer!At dexory, we are revolutionizing the warehousing and logistics sector with cutting-edge data intelligence solutions. We are looking for a passionate Senior Infrastructure Engineer to lead the design, development, and management of our infrastructure and tooling to support our fast-expanding operations.Your role will involve supporting rapid deployment of user-facing applications and internal services while ensuring high standards of stability, reliability, and automation.Our office is located in Wallingford, Oxfordshire, with a hybrid working model requiring on-site presence approximately once every four weeks.

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!

Join PhysicsX as a Senior Machine Learning Infrastructure Engineer and play a pivotal role in shaping our machine learning capabilities. In this position, you will architect, develop, and scale our infrastructure to support advanced machine learning models and applications. Collaborate with cross-functional teams to ensure seamless integration and high performance of our ML systems.

Join tem as a Senior Staff Engineer specializing in Pricing Infrastructure, where you'll lead innovative projects that enhance pricing systems and drive strategic initiatives. Collaborate with cross-functional teams to deliver scalable solutions that meet business needs.

Join Roku as a Senior Software Engineer specializing in Infrastructure and Efficiency. In this role, you will be instrumental in enhancing our platforms, ensuring optimized performance, and driving innovative solutions. Collaborate with cross-functional teams to design and implement scalable systems that support our growing user base.

Join our dynamic IT Operations Infrastructure team at UWE Bristol, where we support a vibrant community of over 30,000 students and 3,600 staff members. As a Senior Infrastructure Engineer, you will play a pivotal role in managing and maintaining our machine rooms, communications rooms, and network infrastructure. We are looking for a seasoned professional with comprehensive experience in IT Infrastructure, particularly with components such as UPS systems, generators, and cooling solutions.Your expertise will be crucial in overseeing the University’s fibre interconnects and related network equipment. Additionally, your insights will guide design teams in specifying IT infrastructure needs for upcoming building projects, aligning with our significant investment in facilities.

Join Roku, a leading streaming platform, as a Senior Software Engineer focused on enhancing our infrastructure, efficiency, and productivity. In this role, you will play a key part in architecting and developing innovative solutions that drive our technology forward. Collaborate with cross-functional teams to optimize system performance and ensure robust reliability in our services.

Ebury empowers ambitious businesses to unlock global growth, and we extend the same philosophy to our team members. We promote innovation, collaboration, and problem-solving, creating an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to transform how businesses operate on a global scale, we invite you to connect with us. Discover how Ebury can fast-track your career and help you shape the future.Senior Security Engineer - Cloud InfrastructureHybrid (4 days in office) in LondonEbury is making significant investments in its cloud infrastructure security to ensure the integrity and safety of our global financial services. As a Senior Security Engineer specializing in Cloud Infrastructure, you will be responsible for enhancing and managing the security posture of our cloud environments across AWS and GCP, focusing on network security, perimeter defense, and attack surface management.This hands-on position requires extensive expertise in cloud-native security controls, network architecture, and proactive defensive security operations. You will design, implement, and maintain security infrastructure that identifies and mitigates threats before they affect our operations. Collaborating closely with platform, infrastructure, and security operations teams, you will embed security best practices into our cloud foundations.Key ResponsibilitiesManage cloud security posture and attack surface: Ensure comprehensive visibility and control across AWS and GCP environments. Implement cloud-native security monitoring, detection, and alerting mechanisms to proactively identify and mitigate threats, establishing and enforcing security baselines through policy-as-code.Design and oversee web application firewall infrastructure: Maintain WAF configurations across AWS and GCP, creating and fine-tuning detection rules in line with application threat models and emerging attack patterns. Develop operational processes for rule management and incident response integration, collaborating with application teams to implement protections without disrupting availability.Architect network segmentation and isolation: Design and implement strategies ensuring proper separation between development, staging, and production environments. Define consistent patterns across multi-cloud infrastructure, apply zero-trust principles to workload communication, and document reference architectures for engineering teams.

About UsAt xLabs, we specialize in providing essential infrastructure and contributing to open-source technologies that empower the innovators of the Internet of Value. Our primary focus is on developing engineering tools and delivering resilient infrastructure that facilitates the seamless creation of decentralized applications. As key contributors to Wormhole, we are instrumental in constructing the backbone of the Internet of Value and actively participate in enhancing various major blockchains.About the RoleYou will thrive in distributed teams, emphasizing clear and consistent communication.Critical thinking is essential; you will analyze challenges and propose multiple solutions, ideally documented for clarity.Proactivity is key; you will take the initiative while prioritizing the team's success.Fluency in English, both spoken and written, is required.Experience with Infrastructure-as-Code and GitOps is necessary.You should be familiar with workload orchestration tools, such as Kubernetes.Understanding software design and distributed systems is crucial.Proficiency in at least one programming language is expected.Experience operating Blockchain RPC nodes and Validators, such as Ethereum, Solana, or similar platforms, is advantageous.What We DoWe manage the compute infrastructure and the applications that rely on it. Many applications, such as blockchains, are not developed by us. Therefore, we spend significant time reviewing documentation, code, Slack channels, and Discord servers to cultivate a thorough understanding of each application's architecture, optimal operating procedures, and debugging strategies when issues arise. Documenting our findings, including lessons learned from past mistakes and strategies to prevent future occurrences, is an integral part of our responsibilities.BenefitsFully remote team—ideal candidates are located in US, South America, and European time zones.Team culture that is collaborative, transparent, and supportive, where all contributions are highly valued.Flexible working hours that respect your independence and encourage self-motivation.Generous vacation policy that allows you to take the time necessary to recharge, with paid time off that honors work-life balance.