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Hamilton Barnes Associates Limited
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  • Are you looking for an exciting new opportunity? Join a global trading... Read More
    Are you looking for an exciting new opportunity? Join a global trading firm leveraging technology, research, and risk management to identify and capture trading and investment opportunities across markets worldwide. The organization operates across diverse asset classes and combines the innovation of a startup with the stability of an established firm, fostering continuous learning, collaboration, and problem-solving. This opportunity is ideal for a senior Network Security professional looking to join an organisation known for its fast and advanced technology infrastructure. Reporting to the Head of Security, this role involves managing infrastructure and networks within the London network security team, while working in a collaborative engineering environment where you can contribute expertise, take ownership of complex challenges, and work alongside passionate technology teams. Responsibilities: Play the lead role with the network security team for London Gather requirements , implement solutions and support the global infrastructure Design configure and maintain Cisco ISE Automate security operational tasks Skills/Must Have: Network security architecture, implementation Read Less
  • Hamilton Barnes Associates Limited is seeking a senior infrastructure... Read More
    Hamilton Barnes Associates Limited is seeking a senior infrastructure architect to design and own a landmark GPU deployment. You will specify cluster topology, networking, and power/cooling for a next-generation B300 system, with cost modelling for the full build. This role partners with board-level stakeholders in a fast-moving investment platform, translating technical decisions into commercial terms and guiding vendor negotiations. DOE bonus applies. #J-18808-Ljbffr Read Less
  • A venture-backed investment firm is standing up a substantial GPU comp... Read More
    A venture-backed investment firm is standing up a substantial GPU compute capability, having just confirmed a large-scale order of next-generation B300 GPUs. This is a rare opportunity to architect large-scale AI infrastructure from the ground up, owning cluster specification and costing for a major hardware deployment rather than inheriting someone else's design decisions. Own the technical architecture behind a landmark GPU deployment, shaping cluster topology, networking, and power/cooling decisions that will underpin the firm's compute strategy for years to come. Join a fast-moving investment platform with capital already committed and hardware secured, giving this role immediate, tangible scope rather than a speculative roadmap. Work closely with senior stakeholders in a lean, high-trust environment where your technical judgement directly shapes commercial decisions worth millions. Responsibilities: Specify and design GPU cluster architecture for a large-scale B300 deployment, covering compute, networking, storage and interconnect Produce detailed costing models for cluster builds, including hardware, data centre, power and ongoing operational expenditure Evaluate and recommend data centre/colocation partners capable of supporting high-density GPU racks Define networking topology (InfiniBand/Ethernet fabric) to optimise for distributed training and inference workloads Liaise with hardware vendors, OEMs and data centre providers to validate specifications and negotiate technical terms Produce technical documentation and board-level summaries translating complex infrastructure decisions into commercial terms Advise on power, cooling, and rack density requirements specific to next-generation GPU deployments Skills/Must have: Experience: 7+ years in infrastructure/solutions architecture, with direct experience specifying GPU or HPC clusters at scale Core Tech/Domain: Deep hands-on knowledge of GPU hardware (NVIDIA H100/H200/B200/B300 class systems), server/rack design, and data centre infrastructure Methodology/Protocols: Strong grasp of InfiniBand/RDMA networking, NVLink/NVSwitch topologies, and cluster interconnect design for distributed compute workloads Soft Skills: Confident operating at boardroom level, able to translate deep technical detail into commercial costing narratives; comfortable owning ambiguous, high-stakes decisions with minimal oversight Nice to haves: Experience with liquid cooling/high-density rack deployments Prior work with hyperscalers, neo-clouds, or GPU-as-a-service providers Familiarity with NVIDIA reference architectures (e.g. DGX SuperPOD) Vendor relationships with NVIDIA, Dell, Supermicro, or major colocation providers Salary: £110,000-£150,000 base (DOE) + performance bonus #J-18808-Ljbffr Read Less
  • Hamilton Barnes Associates Limited is seeking a Director of Technical... Read More
    Hamilton Barnes Associates Limited is seeking a Director of Technical Programme Management to lead strategic enterprise deployments across the EMEA region for a cloud-native, AI-enabled platform. You will oversee Kubernetes, GPU, and cloud infrastructure projects, partnering with engineering and senior stakeholders to drive successful delivery. The role requires 10+ years in technical programme management with 5+ years at director level, strong governance, and a track record of large-scale #J-18808-Ljbffr Read Less
  • Looking for a role with plenty of growth opportunities? Join a global... Read More
    Looking for a role with plenty of growth opportunities? Join a global financial technology organisation delivering trusted trading, market data and custody services across foreign exchange and digital asset markets. The company provides secure, transparent and regulated technology that connects institutional clients to global financial markets. This opportunity is for a Head of Windows Engineering to lead and develop the organisation's global Microsoft infrastructure estate. Combining hands‑on technical leadership with team management, the role is responsible for driving automation, delivering infrastructure projects, setting technical standards, and leading the strategic direction of a highly available Windows platform. Ready to make a move? Get in touch and apply today! Responsibilities Own and lead the global Windows Read Less
  • Hamilton Barnes Associates Limited is seeking a Head of Windows Engine... Read More
    Hamilton Barnes Associates Limited is seeking a Head of Windows Engineering to lead their global Microsoft infrastructure. The ideal candidate will manage a distributed team and drive automation within the Windows platform. This role offers a competitive salary of up to £125,000 per annum along with a discretionary bonus. The team operates in a hybrid model with three days in the office in West London. #J-18808-Ljbffr Read Less
  • Hamilton Barnes Associates Limited is seeking a senior security profes... Read More
    Hamilton Barnes Associates Limited is seeking a senior security professional to lead the implementation of the CIS Critical Security Controls across a large enterprise. This role requires a combination of strategic leadership and hands-on technical expertise, driving the transition towards a CIS-aligned security framework. The ideal candidate will have over 10 years of experience in cybersecurity, with strong expertise in cloud security architecture and security automation methods. The position offers an initial 6-month contract with a hybrid work model based in London. #J-18808-Ljbffr Read Less
  • Keen to join a company that champions growth and development? Join one... Read More
    Keen to join a company that champions growth and development? Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT service providers. With an international presence across multiple countries, the company has built a reputation for delivering high-quality technology services across industries including banking, healthcare, telecommunications, and retail. The consulting firm is looking for a senior security professional to lead the implementation of the CIS Critical Security Controls across a large enterprise on a 6-month contract based in London. This role combines strategic leadership with hands‑on technical expertise, driving the transition to a CIS‑aligned security framework while working across infrastructure, cloud environments, governance, and senior stakeholder engagement. If you would like to learn more about this opportunity, feel free to reach out and apply today! Responsibilities Lead the end‑to‑end design and implementation roadmap for CIS Controls (v8 or latest), mapping existing technical controls to the CIS framework. Define and enforce secure architecture patterns across on‑premises, hybrid, and multi‑cloud environments (AWS, Azure, GCP) in line with CIS Benchmarks. Develop enterprise‑wide security policies, standards, and procedures aligned to CIS Implementation Groups (IG1, IG2, IG3). Oversee technical implementation by collaborating with DevOps, Network Engineering, and IT Operations to automate security configurations, hardening, and patching. Serve as the primary subject matter expert, reporting on security requirements, risk posture, and programme milestones to executive leadership and technical teams alike. Skills/Must Have CIS Controls expertise - Deep, hands‑on experience implementing CIS Critical Security Controls at scale within large, complex enterprise environments. Cloud security architecture - Strong architectural design experience across AWS, Azure, and GCP, including cloud‑native security practices and secure migration programmes. Security automation ideally holding certifications such as CISSP, CISSP‑ISSAP, or cloud‑specific security credentials. Contract Details Contract Type: Initial 6 month contract (Inside IR35) Location: Hybrid in London Salary £700 per day Inside IR35 #J-18808-Ljbffr Read Less
  • Hamilton Barnes Associates Limited is seeking a product-minded enginee... Read More
    Hamilton Barnes Associates Limited is seeking a product-minded engineer to join their global trading and investment firm based in Greater London. This role involves building with JavaScript/TypeScript and Node.js, owning technical problems end-to-end, and improving large-scale systems. The ideal candidate will have strong Java Scripting skills, trading exposure, and experience with Docker. A competitive salary of up to £220,000 plus bonus is offered for this opportunity. #J-18808-Ljbffr Read Less
  • Hamilton Barnes Associates Limited is seeking a senior staff engineer... Read More
    Hamilton Barnes Associates Limited is seeking a senior staff engineer to lead AI development in their innovative pricing platform for insurers. This pivotal role offers the opportunity to define industry standards for agent-based AI systems. You'll manage technical delivery, mentor talent, and drive strategic partnerships, with a focus on delivery and innovation. A competitive salary of £130,000 to £160,000 is offered, along with benefits like stock options and a significant training budget. #J-18808-Ljbffr Read Less

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Astrid-Lindgren-Weg 12 38229 Salzgitter Germany