Latest High Performance Computing Jobs

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning (RL) post-training infrastructure that supports the full lifecycle of training, inference, and rollout across heterogeneous hardware. You'll contribute to open-source RL frameworks, optimize distributed systems for performance and fault tolerance, and collaborate with AI researchers, infrastructure teams, and hardware engineers to enable next-generation AI capabilities. The work spans deep integration with PyTorch, Kubernetes, and distributed runtimes like Ray and Monarch, focusing on real-world challenges in large-scale RL deployment.

NVIDIA

Remote Permanent

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning (RL) post-training infrastructure that supports the full lifecycle of training-inference-rollout loops across heterogeneous hardware. The engineer will contribute to open-source RL frameworks, optimize distributed systems for performance and fault tolerance, and collaborate with research and hardware teams to advance AI capabilities. Work spans deep system-level tuning, cross-team advocacy for RL-specific needs, and integration of CPU, GPU, and LPU-accelerated workloads in large-scale environments.

NVIDIA

Remote Permanent

Executive Assistant , Amazon Global Sales- UKI

This role involves providing high-level administrative support to the VP of UKI by managing complex calendars, international travel, and executive meetings across multiple time zones. The Executive Assistant will coordinate business reviews, off-sites, and media engagements while serving as the primary liaison for internal and external stakeholders. Success requires discretion, adaptability, and the ability to proactively manage competing priorities in a fast-paced environment.

Amazon London, United Kingdom

On-site Permanent

Software Development Engineer, AWS S3 Tables

This role involves designing and building distributed storage, indexing, and query systems for large-scale data management within AWS S3 Tables. The engineer will work on integrating Apache Iceberg support, improving data ingestion reliability, and optimizing query performance. The position emphasizes innovation in cloud-native table formats and collaboration within a cross-functional team.

Amazon Cambridge, United Kingdom

Hybrid Permanent

Platform Engineer (DevOps / MLOps Focus)

Design and maintain cloud-native infrastructure for large-scale AI and machine learning platforms. Focus on Kubernetes, Terraform, and CI/CD to enable efficient deployment and operation of AI workloads in collaboration with engineering and data science teams.

The Portfolio Group London, United Kingdom £100,000 pa

Hybrid Permanent

Senior AWS Data Platform Engineer

This role involves designing, building, and operating a secure, scalable AWS-based data platform using infrastructure as code and CI/CD pipelines. The engineer will support a modern Lakehouse architecture, embed governance and compliance controls, and collaborate with data and AI teams to deliver trusted data products. Focus areas include platform observability, cost management, and cross-functional delivery within a cloud-native environment.

Microlise Langley Mill, Derbyshire, NG16 4BS, United Kingdom £55,000 pa

Hybrid Contract

Partner Marketing Programs Manager

Location: LondonTeam: Partner MarketingAbout the JobAt Nscale, our Marketing team plays a critical role in driving the adoption and engagement of our sovereign AI cloud platform. We take a data-centric approach to connecting with our core audience, ensuring their needs...

NScale London, United Kingdom

Cloud Infrastructure Engineer

This role involves managing and enhancing a hybrid infrastructure environment that spans AWS cloud and on-premise systems, supporting both internal and customer-facing platforms. The engineer will focus on optimising performance, security, scalability, and cost while driving DevOps best practices, automation, and system reliability across the estate.

Spectrum IT Recruitment Portsmouth, Hampshire, United Kingdom £65,000 – £75,000 pa

On-site Permanent

Principal Cloud Engineer

The role involves owning and optimizing the operational health of critical cloud platforms, with a focus on automation, resilience, and performance. As a technical leader, the engineer will lead incident resolution, drive infrastructure improvements, and mentor team members while working extensively with VMware, Hyper-V, and monitoring tools like Grafana.

100 Percent Cardiff, South Glamorgan, CF10 2AF, United Kingdom £58,000 – £60,000 pa

Hybrid Permanent

Mainframe Technical Consultant - Mainframe AIOPS

This role involves providing deep technical expertise for Broadcom's mainframe solutions, focusing on AIOPS, automation, performance management, or storage. The consultant will work closely with sales and customers to design, demonstrate, and implement complex solutions, leading proofs of concept and ensuring technical requirements are met. The position requires strong mainframe knowledge, customer engagement, and cross-functional collaboration in a remote UK-based role.

Broadcom United Kingdom

Remote Permanent

Lead Engineer

The Lead Engineer will take full ownership of a core product's technical lifecycle, leading both engineering and testing teams while setting standards in software design, DevOps, and quality assurance. This role involves close collaboration with product and architecture teams to align technical strategy with business goals, while fostering a culture of continuous improvement and engineering excellence. The engineer will champion scalable, secure systems and drive best practices across development, testing, and production operations.

Network IT Milton Keynes, Buckinghamshire, United Kingdom £60,000 – £67,000 pa

Hybrid Permanent

GenAI Engineer

Design and build enterprise-scale generative AI systems including chatbots, RAG architectures, and multi-agent workflows integrated into financial products. Develop production-ready AI infrastructure using Python, LangChain, and cloud platforms like AWS or Azure. Work across the full stack to deploy scalable AI solutions in a hybrid environment.

Randstad Technologies Recruitment London, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Full-Stack Developer

This role involves developing, deploying, and maintaining scalable cloud-based applications on Microsoft Azure using .NET Core, C#, React, and Azure DevOps. The developer will work closely with architects and engineers to build automated, high-performance solutions, with a strong focus on CI/CD, REST API integration, and optimisation of both application and SQL performance. Responsibilities include production support, troubleshooting, and ongoing improvement of cloud infrastructure and data processing systems.

Queen Square Recruitment Wokingham, Berkshire, United Kingdom £500 pd

On-site Contract

3rd Line Team Leader

3rd Line Team LeaderLocation: London (Hybrid Working)Salary: £50,000 - £55,000Benefits: Hybrid working, career development, technical training, leadership opportunities, growing businessOur client, a leading managed IT services provider, is looking to appoint a hands-on 3rd Line Team Leader to lead a...

IMT Resourcing Solutions Ec3N1Jl, EC3N 1JL, United Kingdom £50,000 – £55,000 pa

DevOps Engineer

This role involves building and maintaining cloud-native infrastructure and CI/CD pipelines for a high-growth SaaS platform. You'll automate systems using AWS, Kubernetes, Terraform, and Docker, while collaborating with engineering teams to improve scalability, reliability, and deployment speed. The position offers autonomy to shape DevOps practices and contribute to a globally scaling product in a collaborative, tech-led environment.

Noir London, United Kingdom £60,000 – £75,000 pa

Hybrid Permanent