Top Tech Jobs & Startup Jobs in London

Lead strategic account development and business growth across energy, transport, water, utilities, and infrastructure markets. Build senior client relationships, create account and market coverage plans, generate and progress sales opportunities, maintain CRM and sales reporting, develop win strategies, and support bids and proposals. Collaborate with operational leaders, subject matter experts, Procurement, Marketing, and Communications to align client needs with delivery capabilities and secure sustainable growth.

Partners with senior leaders to deliver people plans, manage employee relations, support organisational change and workforce planning, and use people data to improve outcomes. Advises on UK employment law, influences stakeholders in a complex matrixed organisation, contributes to policy and process improvement, and adopts AI-enabled ways of working. The role is hybrid in London with regular travel to other Assystem sites.

Leads counterfeit, fraudulent, and suspect item activities across a nuclear infrastructure programme and its supply chain. Manages and develops Quality Engineers, conducts supplier assessments, audits, inspections, and surveillance, and delivers CFSI training. Analyzes supplier quality performance, maintains governance records, identifies risks, and implements mitigation measures. Collaborates with engineering, supply chain, project delivery, suppliers, and stakeholders to ensure nuclear standards compliance and continuous improvement. Fluency in English and French is required.

Lead stakeholder engagement strategies and programmes for major infrastructure, transport, energy, and nuclear projects. Manage relationships with authorities, regulators, communities, landowners, and clients; oversee consultations, workshops, engagement reporting, stakeholder risk, and consent processes. Advise senior project teams, support bids and business development, transfer engagement best practices into nuclear programmes, and mentor junior consultants.

Support delivery effectiveness initiatives across a major nuclear infrastructure programme. Responsibilities include improving project performance, facilitating workshops, engaging stakeholders, analysing programme data, recommending improvements, supporting adoption of new tools and governance, and embedding change and continuous improvement practices across projects and workstreams.

The Senior EC&I Engineer will lead engineering activities in Defence work packages, focusing on developing EC&I and control system designs, ensuring compliance, safety, and cost-effectiveness, while supporting junior engineers and managing stakeholder relations.

Lead the development and deployment of PLM solutions for nuclear infrastructure projects, coordinating teams and stakeholder engagement to ensure effective delivery.

The Senior Safety Case Engineer will lead safety assessments for nuclear facilities, support business development, and mentor junior engineers, ensuring compliance with regulatory standards.

Lead infrastructure and capital projects from inception through close-out, managing scope, schedules, budgets, risks, change, governance, stakeholders, suppliers, and multidisciplinary teams. Responsibilities include project planning, performance reporting, corrective actions, procurement and commercial support, NEC contract administration, handover, lessons learned, and continuous improvement. The role requires infrastructure project delivery experience, with water, environmental, utilities, energy, transportation, or civil engineering experience preferred.

Manage delivery of digital enablement projects (PLM/ALM-focused) for a major nuclear infrastructure programme. Oversee scope, schedule, budget, risks and quality across multiple workstreams, coordinate multidisciplinary teams and suppliers, support PLM/ALM implementation, run requirements workshops, manage testing and QA, ensure governance and configuration management, and drive user adoption and lessons-learned across engineering, asset and programme delivery lifecycles.