AWS Infrastructure Engineer at Aircall | London

Join our dynamic team at Shawbrook as a Cloud Infrastructure Engineer, where you will play a crucial role in designing, implementing, and maintaining our cloud infrastructure. Your expertise will help us leverage the latest technologies to deliver robust and scalable solutions that meet our clients' needs.

About UsAt Perlego, we are dedicated to revolutionizing education by making it accessible to everyone. In this digital era, we believe that learning should be available to all, anytime, anywhere. Knowledge should not be confined by exorbitant costs.Over the last seven years, our mission has focused on empowering students across the UK and Europe to access high-quality books. We aim to expand our reach globally, particularly into the US market, and create a platform that transcends traditional books by aiding students in studying more efficiently and effectively.Your RoleWe are in search of a seasoned Cloud Infrastructure Engineer with extensive experience in AWS services and monitoring tools. In this critical role, you will be responsible for ensuring the availability and reliability of our services. You will play a key role in promptly addressing issues, resolving incidents autonomously, and thriving in a dynamic environment.Key Responsibilities:Cloud Infrastructure Management:Administer and support our AWS infrastructure, emphasizing scalability, security, and reliability.Manage deployments and oversee CI/CD pipelines for both containerized (Docker/ECS) and serverless (AWS Lambda) applications.Implement effective backup and recovery strategies to minimize downtime.Oversee operational and analytical data stores, including Aurora MySQL, DynamoDB, and Databricks.Monitoring & Incident Management:Utilize tools such as Prometheus, Grafana, and AWS CloudWatch to monitor platform activity.Swiftly respond to alerts and incidents, independently resolving issues to maintain service uptime.Conduct post-incident reviews and enhance system resiliency through automation and monitoring improvements.Analyze network activity using AWS Security Hub and Cloudflare.Collaboration & Communication:Work collaboratively with cross-functional teams to implement platform enhancements.Demonstrate the ability to make swift decisions independently, especially when managing service incidents outside regular business hours.Support platform security and adhere to best practices for cloud security and compliance.Continuous Improvement:Automate repetitive processes to minimize human error and enhance efficiency.Continuously refine monitoring systems to ensure robust early detection and resolution capabilities.Identify and address potential performance bottlenecks.

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.

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.

Role overview The Presales Engineer - AI Cloud Infrastructure position at NexGen Cloud is based in London, UK, with a hybrid work arrangement. This role sits within the Sales department and reports to Sales Leadership for Hyperstack, the company’s AI cloud platform. What you will do This role connects prospective clients, the sales team, and internal engineering as NexGen Cloud’s technical offerings become more advanced. The focus is on supporting the commercial pipeline by guiding customers through technical decisions and shaping solutions that fit their needs. Lead technical discovery sessions to understand what customers require Design AI cloud solutions tailored to each client’s goals Facilitate in-depth technical conversations with customers and internal teams Ensure solutions are delivered with accuracy and meet client expectations About NexGen Cloud NexGen Cloud powers Hyperstack, an AI cloud platform used by clients ranging from AI researchers to large enterprises with demanding computational workloads. The company provides on-demand and private GPU infrastructure, focusing on high-performance solutions where speed and reliability matter most. The team values close collaboration and works at the forefront of AI cloud technology. Employees across NexGen Cloud use AI tools to solve technical challenges, deliver solutions quickly, and set new standards for enterprise GPU infrastructure.

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.

Join Us at Smarkets!Leading the Future of BettingAt Smarkets, we operate one of the most advanced prediction markets in the world, with over £29 billion in transaction volume since our inception in 2010. Our platform attracts over 200,000 traders from around the globe, transforming the betting landscape across sports and political events by offering the most competitive prices and fair odds.Our technology stack is tailored for scalability, reliability, and performance, utilizing Linux, Kafka, Postgres, and Kubernetes, powered by Python 3, C++17, and React. We build infrastructure that businesses rely on while ensuring trading remains accessible to everyone. We've demonstrated resilience through every market phase, competition, and industry upheaval.The key to our success lies in our people. We foster a high-performance environment where top talent flourishes, merging extensive business acumen with a commercial approach to propel strategic growth.If you are ready to contribute to the evolution of prediction markets with innovative technology and a client-centric mindset, Smarkets is the perfect place for you.We are currently seeking a Senior Cloud Infrastructure Engineer to enhance our infrastructure and equip our developers with efficient, self-service tools and operational excellence.Your RoleAs a member of the Cloud Infrastructure Team, you will engage with real-time distributed systems that fuel our trading engine. Your primary responsibility will be to design and maintain scalable, secure, and high-performance cloud-based systems while developing platforms that enable our developers to operate quickly, deploy reliably, and scale seamlessly.This role is not just about creating cloud infrastructure; it's about fostering a highly autonomous environment where ownership is encouraged, experimentation is welcomed, and innovation is integral to our operations. You will define the foundation of our cloud-native architecture, harmonizing visionary infrastructure design with the practical demands of a rapidly growing, large-scale environment.This position is where infrastructure intersects with engineering productivity: part DevOps, part Platform Engineering, and 100% essential to our mission.Your ResponsibilitiesDesign and Own Infrastructure: Architect and maintain robust, cost-effective, and secure infrastructure on AWS using Terraform, Kubernetes, and cloud-native best practices.Champion Platform Engineering: Develop and enhance the internal developer platform (IDP) that empowers engineers to self-serve infrastructure, CI/CD, observability, and security tooling.

Join Anduril Industries, a pioneering defense technology company dedicated to revolutionizing military capabilities through advanced technology. As a Senior Cloud Engineer, you will be an integral part of our Multinational Digital Infrastructure team, responsible for designing, deploying, and maintaining robust cloud environments that support sovereign and multinational military systems. Your work will directly contribute to enhancing Anduril’s global Maritime and AUKUS missions, ensuring our infrastructure is secure, scalable, and capable of meeting evolving mission requirements.

Why Join Faculty?Founded in 2014, Faculty believes that artificial intelligence is the defining technology of our era. We have collaborated with over 350 global clients to enhance their operations through human-centric AI. Discover our significant impact here.We prioritize genuine innovation over fleeting trends, developing and implementing responsible AI solutions that truly make a difference. Our extensive technical, product, and delivery expertise supports clients across various sectors, including government, finance, retail, energy, life sciences, and defense.As our business and reputation grow rapidly, we constantly seek individuals who share our passion for intellectual exploration and aim to leave a positive impact through technology.Join us in harnessing AI's potential to create transformative solutions that shape the future.About Our TeamThe process of delivering medicine to patients is intricate, costly, and fraught with challenges. Faculty's Life Sciences team is dedicated to developing AI solutions that enhance the research and commercialization of groundbreaking therapies.We collaborate with leading pharmaceutical companies, academic research institutions, and MedTech startups to create and implement solutions that tackle pressing healthcare challenges and promote equitable health access.Role OverviewWe are seeking a Cloud Engineer to establish the foundational cloud infrastructure for applied artificial intelligence for our clients. In this role, you will design, build, and deploy secure, scalable cloud environments that support advanced data processing and machine learning workflows. Collaborating with a diverse team, you will tackle complex problems and empower our data scientists and ML engineers to efficiently implement their projects, influencing the future of AI applications.

Join SWGroup as a Cloud Engineer and be part of an innovative team dedicated to enhancing cloud infrastructure and services. You will play a pivotal role in designing, implementing, and managing scalable cloud solutions that drive efficiency and performance. This is an exciting opportunity to work with cutting-edge technologies in a collaborative environment.

Join CUBE, a pioneering global RegTech firm that is revolutionizing regulatory intelligence for the financial services sector. Our innovative SaaS solutions, enhanced by artificial intelligence, streamline the complexities of compliance for our clients.Why Choose CUBE? As a leader in Regulatory Technology, CUBE is a trusted partner to top financial institutions worldwide. In 2024, we celebrated over 50% growth through both organic developments and strategic acquisitions. Our dynamic team thrives on innovation, constantly enhancing our products, services, and operational excellence. We nurture a culture of ambition, empowering individuals to take charge of their careers and accelerate their growth from the outset. CUBE comprises over 700 skilled professionals across 19 countries in EMEA, the Americas, and APAC, united in our mission to transform regulatory compliance through diversity, collaboration, and purpose. As one of the first to leverage AI in regulatory intelligence, we continue to set the standard with our advanced technology solutions. You will collaborate with some of the brightest minds in AI research and engineering to develop impactful solutions that are reshaping regulatory compliance.Role Overview:As the Head of Infrastructure and Cloud Operations, you will lead and integrate CUBE's global infrastructure and operational teams. This position oversees the entire infrastructure lifecycle, from traditional on-premise systems to cloud-native platforms, alongside Tier 2 Production Support. You will ensure that infrastructure delivery remains scalable, reliable, and secure across our teams located in Manila, Australia, and the UK.

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.

Senior Oracle Cloud Infrastructure (OCI) ArchitectDesign at Scale. Lead with Authority. Deliver Secure, Enterprise-Grade Cloud Solutions.Join our dynamic team at Version 1 as a Senior Oracle Cloud Architect, where you will be instrumental in architecting enterprise-scale Oracle Cloud Infrastructure (OCI) environments.This role transcends simple implementation; we are in search of a strategic leader who can devise intricate, secure, and multi-region OCI architectures, tackle significant technical hurdles, and confidently guide solutions across infrastructure, network, and application domains.If you're passionate about navigating complex environments and relish the challenge of solving high-impact technical issues, this position offers the freedom and opportunity to truly make an impact.Your ResponsibilitiesDesign and implement robust, scalable, and secure Oracle Cloud Infrastructure (OCI) solutions that align with business objectives.Develop intricate network configurations including hub-and-spoke architectures and cross-region disaster recovery strategies.Lead the architectural design for cloud-based enterprise applications with a focus on resilience, security, and performance.Take charge of critical technical issues, diagnosing and resolving complex OCI networking challenges.Collaborate with on-premise network engineers and application specialists (JDE, PeopleSoft, EBS) to facilitate root cause analysis and resolution.Provide guidance and mentorship to fellow architects and engineers.Drive ongoing improvements through infrastructure reviews, optimization initiatives, and the adoption of new OCI capabilities.Establish and maintain comprehensive cloud architecture documentation and best practices.

Are you ready to make a significant impact in the technology landscape?Join us as an Infrastructure & Cloud Services Advisor Are you prepared to advance your career to the next level? West Monroe is excited to invite applications for the role of Infrastructure & Cloud Services Advisor at our expanding London office. We seek a professional with experience in IT and public cloud engineering, architecture, security, and/or strategic initiatives to enhance our Technology Transaction Services (TTS) practice, focusing on due diligence for M&A transactions. In this role, you will conduct pre-close IT infrastructure assessments across various sectors including Private Equity, High-Tech & Software, Healthcare, and Financial Services. You will identify vulnerabilities and communicate these findings to client executives through investment summaries, often leading to crucial post-close remediation efforts. This presents a thrilling opportunity to engage within our burgeoning tech M&A practice area, utilizing both IT and advisory skills to influence our clients’ corporate development strategies. As part of our dynamic team in London, you will help shape our office culture and participate in the entrepreneurial journey of expanding a team that is experiencing triple-digit growth (strategy formulation, recruitment, team building, practice development, etc.). Key Responsibilities: Conduct thorough IT infrastructure assessments.Prepare detailed analysis and reports for clients.Collaborate with cross-functional teams on M&A initiatives.Identify risks and recommend solutions for IT security and architecture.Support the growth and development of the London office.

Join the innovative engineering team at Chainalysis, where our mission is to tackle the most complex technical challenges and develop products that foster trust in cryptocurrencies. As a global organization with teams across the UK, Denmark, Canada, and the USA, we thrive on the dynamic nature of our industry and the collaborative spirit of our exceptionally talented teammates. Our goal is to create a flexible platform that adapts to rapid changes in the market.We are seeking passionate Software Engineers to become integral members of our Data Cloud team. This team plays a vital role in driving innovation and unlocking new business opportunities by enabling everyone at Chainalysis to efficiently discover, access, analyze, and utilize data. You will be instrumental in designing and optimizing our data platform and processing systems. If you are enthusiastic about infrastructure automation, cloud services, and building scalable platforms for next-gen real-time streaming data applications, we invite you to join our talented and expanding team!Key Responsibilities:Design, develop, and refine high-performance, scalable data platforms, focusing on streaming data processing, handling large data volumes, and optimizing cloud infrastructure.Implement and uphold infrastructure automation and self-service capabilities using Terraform, ensuring reliable and repeatable environments for both development and production, alongside robust CI/CD pipelines.Facilitate seamless integrations between Data Cloud and various relational and NoSQL OLTP databases.Create and develop frameworks and abstractions that speed up data pipeline development while embedding data engineering best practices.Establish and maintain observability, security, and data governance solutions to guarantee the quality and reliability of data pipelines.Qualifications:A minimum of 3 years of experience as a Data Platform Engineer, Software Engineer, or Infrastructure Engineer, including hands-on expertise in constructing and maintaining cloud-based data platforms.Significant experience with AWS services, a solid understanding of cloud architecture, and proficiency in Terraform for cloud infrastructure management.Experience in building streaming data pipelines utilizing technologies such as Apache Flink, Apache Kafka, Spark Structured Streaming, or similar.Understanding of modern data lake architecture and data engineering best practices.

Role overview NexGen Cloud seeks a Business Development Manager to focus on AI cloud and infrastructure solutions. This hybrid role is based in London, UK, with in-office work required from Tuesday through Thursday each week. What you will do Identify and secure new customers in the AI cloud and infrastructure market Develop and manage a sales pipeline, targeting the growing demand for GPU cloud services Pursue high-potential accounts, working alongside an experienced team and leveraging advanced technology Requirements Demonstrated success in business development or sales, preferably in cloud, infrastructure, or AI sectors Ability to work independently and take initiative to achieve goals Interest in contributing to a rapidly growing market and seeing direct results from your efforts Adaptability in environments where priorities may shift quickly Location and schedule This position is based in London, UK. The hybrid schedule requires in-office presence on Tuesday, Wednesday, and Thursday.

About The Dot CollectiveWe are an innovative consultancy operating across the UK and EU, dedicated to engineering excellence and empowering individuals to create significant impacts.Our projects utilize modern technology stacks and follow agile scrum methodologies.About YouAre you excited about the transformative power of data? Do you thrive on making substantial contributions in a short timeframe? If so, you might be the perfect fit for our team.

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 our dynamic team at PA Consulting as a Cloud DevOps Engineer, where you'll play a pivotal role in transforming the way our clients harness cloud technologies. Your expertise will help streamline operations, enhance cloud infrastructure, and ensure seamless integration across systems.In this role, you will collaborate with cross-functional teams to design, implement, and manage cloud solutions that meet business needs, driving efficiency and innovation. You will be responsible for automation, monitoring, and optimizing cloud environments to ensure high availability and performance.