L.J.B & Co. Construction Recruitment

Senior Solution Engineer GPU & AI Infrastructure Location: UK Fully Remote Contract: Flexible Contract Rate: £1,000 £1,200 per day Initial Commitment: 2 days per week Future Opportunity: Potential to increase to 5 days per week We are looking for a Senior Solution Engineer GPU & AI Infrastructure to support the design of cutting-edge AI and high-performance computing infrastructure. This is a senior Solution Architecture / Technical Pre-Sales role focused on NVIDIA GPU infrastructure, AI workloads, HPC environments and high-speed networking. The engagement will initially be 2 days per week, with the potential to increase to 5 days per week as requirements develop. Extremely Flexible Working We can offer a highly flexible working arrangement around your existing commitments. Fully remote Flexible working hours Evening and weekend availability can be accommodated Work can be structured around your existing role or commitments Initially 2 days per week Potential to increase to 5 days per week Flexible approach to when the work is completed, provided agreed deliverables and deadlines are met Key Responsibilities Design large-scale NVIDIA GPU clusters for AI and HPC workloads. Develop HLDs, LLDs, rack designs and detailed BOMs. Design NVLink / NVSwitch architectures. Design high-speed InfiniBand and RoCE/RoCEv2 networking. Develop infrastructure solutions using NVIDIA Blackwell, B300, GB300 and GB200 platforms. Design both bare-metal and Kubernetes-based GPU environments. Work with Slurm, Kubernetes, NVIDIA GPU Operator, NCCL and GPUDirect. Design high-performance storage solutions for AI workloads. Lead technical discussions with CTOs, AI leaders and infrastructure teams. Support RFPs, RFIs, technical proposals and customer presentations. Lead technical workshops and Proof of Concept deployments. Support GPU cluster benchmarking and performance optimisation. Requirements 5+ years in Solution Architecture, Systems Engineering, Technical Pre-Sales, HPC or AI infrastructure. Strong hands-on knowledge of NVIDIA GPU infrastructure. Experience with HGX / DGX / Blackwell / B300 / GB300 / GB200. Strong knowledge of NVLink / NVSwitch. Expert knowledge of InfiniBand and/or RoCE/RoCEv2. Experience with GPU clusters, HPC or AI infrastructure. Knowledge of Kubernetes and/or Slurm. Experience producing HLDs, LLDs, architecture diagrams and BOMs. Strong customer-facing and technical presentation skills. Understanding of high-density data centre power and cooling requirements. Package £1,000 £1,200 per day (Out side IR35) Fully remote Flexible hours Evening & weekend working available Initially 2 days per week Potential to increase to 5 days per week This is an excellent opportunity for a senior GPU / AI infrastructure specialist looking for a highly flexible engagement while working on advanced AI and HPC infrastructure projects.

Project Manager Leisure Construction Projects Location: Mobile across sites and office in West London, Home Counties & South of Oxford Contract: Ongoing / Long-term opportunity A growing Main Contractor delivering specialist leisure facilities, including padel court developments, is looking to appoint a Project Manager to oversee multiple live sites. This is a mobile role managing 2 4 projects simultaneously across West London and the Home Counties, with offices based just south of Oxford. The incumbent will be responsible for managing their own workload from inception to completion reporting to the owner directors. This will be a role for candidates seeking an autonomous position. Responsibilities: Oversee delivery of 2 4 concurrent construction projects Manage Site Managers and site teams across multiple locations Ensure projects are delivered on time, within budget, and to specification Liaise with clients, consultants, and subcontractors Monitor programme, cost control, and risk management Ensure compliance with health & safety and quality standards Provide regular reporting to senior leadership Requirements: Proven experience as a Project Manager within construction Experience managing multiple projects simultaneously Background in leisure, commercial, or fast-track builds preferred Strong leadership and stakeholder management skills Excellent organisational and communication abilities Relevant construction/project management qualifications preferred Full UK driving licence and willingness to travel Benefits: Salary £75-85k per annum Opportunity to manage a portfolio of modern leisure projects Autonomy within a growing and dynamic privately owned regional main contractor Long-term pipeline of work Flexible, mobile working environment