Principal Infrastructure Engineer

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 Ramboll as a Principal Electrical Engineer in our London office, where you'll lead innovative projects and collaborate with a talented team of engineers. This role offers an exciting opportunity to shape the future of electrical engineering in a dynamic environment.

Join our dynamic team at AFRY as a Principal Civil Engineer, where you will lead innovative projects and drive engineering excellence in the heart of London. We are looking for a talented professional who can demonstrate exceptional technical skills and a commitment to sustainability and infrastructure development.

Join Our Team as a Principal Geotechnical EngineerWe offer a competitive salary based on experience and qualifications, reaching up to £60,000 per annum, in addition to a comprehensive benefits package.Location: South East LondonOur esteemed consultancy firm is on the lookout for a Principal Geotechnical Engineer to bolster our Geotechnical National Service line at our London office. We seek individuals who are ideally Civil Engineers with a minimum of 4 years' experience. You will be stepping into a highly respected professional team known for its commitment to quality, technical expertise, and the delivery of commercially viable solutions for our clients.As the Principal Geotechnical Engineer, you will focus on ground movement analysis and collaborate closely with structural engineers on a portfolio of significant developments in London and across the nation. You will be responsible for delivering integrated ground investigations, preparing interpretative reports, and providing geotechnical design advice for a diverse array of projects, including tall towers, deep basements, retaining walls, ground improvement, and earthworks by leveraging both national and local resources. Your role will also involve sharing technical support across the business, enhancing the resilience and strength of our national virtual team.

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.

Join AECOM as a Principal RAMS Engineer, where you will play a crucial role in ensuring the reliability, availability, maintainability, and safety of our engineering projects. You will be responsible for leading RAMS assessments, implementing innovative methodologies, and collaborating with multidisciplinary teams to deliver exceptional results.

Join CoreWeave as a Principal Solutions Architect and lead the charge in translating visionary AI ambitions into actionable deployment strategies within the automotive and advanced manufacturing sectors.The Physical AI Field Engineering team collaborates with some of the world's leading engineering organizations to architect and realize AI-driven solutions for complex physics challenges. By leveraging industry expertise, machine learning innovations, and large-scale computing infrastructure, you will help enterprises transform their ambitious AI goals into practical, scalable deployments.As CoreWeave enhances its capabilities in AI infrastructure and applied machine learning, your role will be pivotal in identifying transformative engineering problems and designing viable technical pathways to resolve them.

AECOM is seeking a Principal Electrical Engineer to lead and deliver innovative electrical engineering solutions in a dynamic environment. The selected candidate will be responsible for designing and implementing complex electrical systems, ensuring compliance with industry standards, and collaborating with interdisciplinary teams to complete projects on time and within budget.

ABOUT AvolutionJoin Avolution, a prestigious global leader in Enterprise Architecture Software with over 20 years of experience. Our established presence spans across London, Sydney, Northern Virginia, and Singapore, and we are recognized in the Gartner Magic Quadrant as an industry frontrunner. Become part of our intelligent, friendly team, where your skills and initiative will drive our growth while enjoying a culture rated as collegial, collaborative, flexible, and supportive by our employees.Key ResponsibilitiesCloud & Infrastructure SecurityDesign, manage, and enhance security configurations across Azure and AWS environments, ensuring seamless integration with Office 365.Implement and enforce industry best practices for identity and access management (IAM) in Azure AD (Entra ID) and AWS IAM.Monitor cloud workloads for vulnerabilities, misconfigurations, and threats utilizing tools such as Microsoft Defender.Collaborate with DevOps/Engineering teams to embed security controls into CI/CD pipelines, advocating for DevSecOps principles.Conduct thorough security assessments, including aiding in penetration testing and risk evaluations to identify and mitigate potential vulnerabilities.Endpoint & Identity SecurityEnhance device posture, compliance, and management utilizing Microsoft Intune and Defender for Endpoint.Develop and maintain solid conditional access, multi-factor authentication (MFA), and endpoint protection policies.Oversee secure identity lifecycle processes, enforcing least-privilege access and zero-trust principles.Security OperationsRespond promptly to security alerts, incidents, and vulnerabilities with thorough investigations and remediation actions.Perform regular risk assessments, security reviews, and internal audits.Manage and optimize security tools, including SIEM, EDR, vulnerability scanners, and the Microsoft Defender suite.Lead incident response efforts and coordinate with cross-functional teams.Compliance & GovernanceSupport ISO 27001:2022 recertification and ongoing compliance activities, including internal audits.Prepare for and assist in obtaining additional compliance certifications (e.g., SOC 2, GDPR) to facilitate company growth.Develop, maintain, and enhance security policies, procedures, and technical documentation.Track, report on, and address audit findings or compliance gaps.Collaboration & CulturePartner with globally distributed teams across EMEA, AMER, and APAC regions.Educate internal teams on security best practices and cultivate a security-first culture through training and awareness initiatives.

Role Overview Intercom is hiring a Principal Engineer - Go-To-Market in London. This role influences product direction and turns market insights into practical engineering outcomes. The Principal Engineer works closely with teams across the company to help ensure products align with customer needs as they change.

Join our dynamic team as a Principal Electrical Engineer, where you will play a pivotal role in leading innovative electrical engineering projects. Your expertise will drive the development of cutting-edge solutions that enhance our infrastructure and contribute to sustainable engineering practices.As a Principal Electrical Engineer, you will collaborate with multidisciplinary teams, ensuring that all engineering designs meet the highest quality standards while adhering to safety regulations. Your leadership will inspire junior engineers and foster a culture of excellence within our engineering department.

Join Us at CommercetoolsAt commercetools, we believe that true innovation is built on a solid foundation. Our team embodies a unique blend of builders, explorers, and problem-solvers who are reshaping the future of commerce. We are not just pioneers in flexible commerce architecture, but also champions of a culture of experimentation that drives our industry forward. Together, we empower ambitious businesses to thrive in a rapidly changing landscape through AI-driven solutions and seamless integration of digital and physical shopping experiences.Your Role and ImpactAs the Principal Engineer for Product Security, you will be instrumental in addressing complex technical challenges that arise within our innovative product lines. Your expertise will enable our engineering teams to 'shift left', fostering secure service development across a multi-cloud infrastructure. Join us and make a significant impact on the future of commerce!

Join CoreWeave as a Principal Engineer!At CoreWeave, we are redefining the cloud landscape for AI innovation. Our platform is tailored for trailblazers, offering cutting-edge technology and a collaborative environment designed to empower innovators to construct and expand AI solutions with assuredness. Serving leading AI labs, startups, and global corporations, we blend exceptional infrastructure performance with extensive technical know-how to expedite breakthroughs and transform compute power into actionable capabilities. Since our founding in 2017, we have proudly transitioned to a publicly traded entity (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.As a Living Wage accredited Employer, we prioritize fair compensation for all our employees.

About the PositionWe are excited to invite applications for the role of Windows Infrastructure Engineer at Jane Street. As a key player in our IT Engineering group, you will be responsible for maintaining and optimizing our internal Windows infrastructure. We welcome candidates who possess substantial expertise in infrastructure management, application support, automation, and Windows operating systems.Windows is the backbone of our desktop environment, and our essential infrastructure services rely heavily on Windows servers. Ensuring these systems operate seamlessly is vital for our business's performance and reliability.In this role, you will focus on enhancing, automating, and standardizing our Windows environment. Proficiency in scripting or programming languages, particularly PowerShell, Python, or C#, is highly desirable. Our scripts are systematically organized in a centralized repository, allowing for efficient collaboration and usage across various teams.As part of a global team, you will collaborate with colleagues both locally and internationally to develop innovative solutions, identify and resolve issues, plan and execute deployments, and document your findings.This position is situated within our dedicated IT Engineering team, which monitors and manages a Windows environment across a diverse global landscape. Your analytical skills and technical knowledge will be instrumental in supporting our colleagues' daily operations and maintaining our systems at peak performance.

We are seeking a Principal Software Engineer specialized in engineering applications to join our dynamic team at physicsx. In this role, you will lead the design and development of innovative software solutions that empower our engineering teams to achieve exceptional results. Your expertise will drive the implementation of cutting-edge technologies and methodologies, ensuring the highest standards of performance and reliability.As a Principal Software Engineer, you will collaborate closely with cross-functional teams, mentor junior engineers, and contribute to the overall technical strategy of our organization. You will have the opportunity to work on challenging projects that have a significant impact on our business and clients.

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.

Join us at Solve Intelligence, where we are pioneering AI-driven infrastructure for the global Intellectual Property sector. We are seeking a talented Infrastructure Engineer to develop the secure and scalable systems that drive our innovative solutions. Your Role: As an Infrastructure Engineer, you will collaborate with a highly skilled engineering team in London. Your focus will go beyond server management; you will architect multi-region, high-performance systems capable of processing complex AI tasks.Key Responsibilities:Cloud Architecture: Design, implement, and optimize our AWS infrastructure using Terraform for maximum reliability, cost-effectiveness, and scalability.Global Deployment: Create infrastructure patterns to support multi-region deployments and isolated environments tailored for enterprise clients.Developer Efficiency: Build and maintain CI/CD pipelines (using GitHub Actions and Docker) that enable our team to deliver features swiftly and securely.Monitoring & Reliability: Implement observability practices using OpenTelemetry and Datadog to proactively identify and resolve issues before they affect users.AI Performance Optimization: Fine-tune autoscaling and network routing to efficiently handle resource-heavy LLM workloads with minimal latency. About Solve Intelligence: We are a rapidly growing startup reinventing the IP industry.Growth: Achieving 20-30% month-over-month revenue increases; currently serving over 200 global IP teams, including DLA Piper and various tech companies.Impact: Our users experience efficiency improvements of 50-90% through our AI solutions.Funding: Recently highlighted in Sifted, following our $40M Series B funding round, bringing our total investment to $55M from prestigious investors like Y Combinator, 20VC, and others. Your Team: Work alongside a founding group of AI PhDs and top-tier systems engineers.

Role overview Elliptic is hiring an AI Infrastructure Engineer in London, United Kingdom. This role focuses on building and supporting the technical foundation behind Elliptic's AI-driven financial technology products. What you will do Design and implement infrastructure for AI systems Maintain and improve the platforms that power Elliptic’s AI products Work with teams across the company to develop scalable, reliable solutions Monitor and optimize system performance to support product innovation

At Intercom, we're revolutionizing customer service through our advanced AI solutions. Our flagship AI agent, Fin, empowers businesses to deliver exceptional customer experiences, ensuring they're always available to assist users. When combined with our Helpdesk, Fin forms the Intercom Customer Service Suite, a comprehensive solution for addressing complex customer queries that require a personal touch.Since our inception in 2011, we have gained the trust of nearly 30,000 businesses globally, setting the standard for customer service excellence. Our commitment to innovation drives us to push boundaries and deliver unparalleled value to our clients.What’s the opportunity?As a Principal Engineer at Intercom, you'll take the lead in defining and executing key strategic initiatives. This role offers you the autonomy to impact the engineering organization significantly. You'll be responsible for developing both back-end and front-end systems, collaborating closely with designers, product managers, researchers, and data analysts. Additionally, you'll mentor and coach fellow engineers while partnering with Group Engineering Managers on technical strategy and leadership.What will I be doing?In this role, you will:Utilize your domain expertise to lead pivotal projects within our R&D organization.Provide insights on project progress, risks, and challenges to guide resource allocation and prioritization effectively.Contribute to our technical architecture, ensuring our systems scale to meet growing customer demands.Prioritize agility alongside scalability and availability, with a focus on continuous deployment and incremental releases.Engage in all software development phases, including ideation, prototyping, design, and implementation, balancing hands-on development with architectural leadership.Leverage state-of-the-art tools to enhance productivity and streamline problem-solving.

About Our TeamJoin the Applications Engineering team, a dynamic group that collaborates across research, engineering, product management, and design to deliver cutting-edge AI solutions for consumers and businesses alike.As a member of our team, you will play a vital role in managing the essential infrastructure that underpins products like ChatGPT and our API. This encompasses our Kubernetes clusters, infrastructure deployment, networking architecture, cloud abstractions, and much more.We are committed to learning from our deployments and spreading the advantages of AI while ensuring its responsible and safe application. For us, safety takes precedence over unrestricted growth.Role OverviewOur cloud infrastructure team is dedicated to constructing and sustaining infrastructure abstractions that empower OpenAI to deliver products efficiently and at scale.Key Responsibilities:Design and develop robust development and production platforms that ensure reliability and security at scale.Guarantee that our infrastructure is poised to scale for future demands.Foster a diverse, equitable, and inclusive environment that encourages openness, welcome, and the challenging of conventional thinking.Participate in the overall responsibility for system reliability, including an on-call rotation for critical incidents.Ideal Candidate Profile:5+ years of experience in building core infrastructure systems.Skilled in operating orchestration systems, particularly Kubernetes, on a large scale.Experience in creating abstractions over various cloud platforms.Pride in developing and managing scalable, reliable, and secure systems.Comfortable navigating ambiguity and adapting to rapid changes.About OpenAIOpenAI is a pioneering AI research and deployment organization committed to ensuring that general-purpose artificial intelligence serves the greater good of humanity. We continuously push the boundaries of AI capabilities and are focused on the safe deployment of these technologies through our innovative products. Our mission is to prioritize safety and human needs while embracing diverse perspectives, ensuring that our AI tools are developed responsibly.