Senior Mechanical Engineer
13 hours ago
Edinburgh
What Exergy3 does: Exergy3 is a dynamic and forward-thinking company committed to delivering cost effective decarbonisation of industrial processes through exceptional high-temperature thermal energy storage solutions. We’re at a pivotal stage in our evolution, delivering our first pilot projects, growing our team, and commercialising our technology. What we want to achieve: Our vision can be summarised in one sentence: Reliable, quick and affordable decarbonisation for every process. More than 50% of global CO2 emissions are caused by processes that so far have proven difficult, time-consuming and expensive to decarbonise. Our radical solution is more cost effective, faster and easier to implement than the alternatives. Job Overview: We are looking for an exceptional Senior Mechanical Engineer to join our growing, agile team in Edinburgh. You will play a critical role in the design, development, and implementation of cutting-edge thermal energy storage systems that spans mechanical, fluid, and electrical domains. This is a multidisciplinary, hands-on role that combines high-level design leadership with practical engineering delivery. The ideal candidate will thrive in a dynamic, fast-growing environment, possess excellent problem-solving skills, and show initiative in scaling design and documentation processes as we move from prototyping to production and deployment. Qualifications & Experience: • Bachelor’s or Master’s degree in Mechanical Engineering or a related discipline., • Minimum 4-7 years of experience in mechanical engineering, including experience in a senior or lead capacity., • Demonstrated ability to manage projects from concept through to installation and commissioning., • Strong track record of cross-disciplinary collaboration (electrical, mechanical design, manufacturing)., • Excellent verbal and written communication skills for technical documentation, supplier liaison, and internal leadership. Key Responsibilities: As a Senior Mechanical Engineer, you will work closely with the Chief Operating Officer, the wider engineering team, technicians, subcontractors, and health and safety consultants to deliver robust, high-performing systems. Mechanical Design & Engineering • Detailed mechanical engineering design integrating mechanical, fluid, and electrical components, including tolerance management methods., • CAD and drawing management: reviewing, organising, issuing, and maintaining up-to-date design documentation., • Creation and maintenance of bills of materials., • Experience in system-level engineering, especially within thermofluidic and electrical systems., • Strong practical engineering skills, including rapid prototyping, modifications, and workshop support., • Development of instruction manuals and assembly guides., • Creation and implementation of design registers and other structured design documentation tools., • Cost-reduction engineering: evaluating materials, manufacturing methods, and assembly processes., • Development and execution of system test schedules. Project & Change Management • Leadership in distributing, tracking, and delivering engineering work packages to meet deadlines., • Oversight of change management processes to improve practices as the business scales., • Coordination with subcontractors to ensure proper and timely documentation and delivery., • Creation of risk assessments and method statements (RAMS) from an engineering perspective., • Leading and documenting testing activities of workshop-built prototypes. Workshop & Installation Support • Technical management of workshop operations: issuing drawings, assigning work packages, tracking progress., • Supervision of technicians during build and assembly phases., • Hands-on support to workshop teams for tooling, fabrication, and assembly guidance., • Real-time technical support for field teams during site installations., • Willingness to travel to deployment sites and oversee on-site installations. Supplier, Procurement & Supply Chain • Management of existing and new suppliers to ensure specification compliance and delivery., • Procurement of components and systems: from specification through purchase and delivery., • Support for supply chain resilience: alternative material and vendor identification., • Develop clear and rigorous specifications, ensuring that supplier deliverables align with defined technical and quality requirements. Desirable Additional Skills • Electro-mechanical integration and specification of electrical components., • Control system hardware and software adaptation experience., • Ability to inherit and modify control software for new applications., • Thermofluidic modelling, including CFD and FEA literacy., • Strong first-principles-based modelling of thermal systems., • Manufacturing engineering experience with design–manufacture interaction., • Development of new technologies with potential for intellectual property protection., • Sensor integration experience (e.g., pressure, temperature)., • Design risk registers for installation and operational phases., • Experience with high-temperature systems., • Company-wide organisation system development (e.g. SharePoint, document registers)., • Familiarity with engineering design processes required for achieving formal product certifications, including documentation, testing, and compliance audits. Why Join Exergy3? • Be part of a dynamic and innovative company at the forefront of clean energy technology., • Play a pivotal role in driving the growth and success of Exergy3., • Competitive salary and performance-based incentives., • Opportunities for professional growth and development., • Contribute to a sustainable future by promoting clean heat solutions., • Opportunity to shape the design processes, documentation standards, and engineering practices at a critical growth stage., • Be a key contributor in turning emerging technologies into commercially viable products., • Work at the intersection of academic innovation and industrial impact, helping scale clean heat solutions across Europe. What we offer: • A supportive, inclusive team culture. We value diverse perspectives and encourage collaboration., • £35k - £45k per annum depending on experience, and EMI options after 6 months., • 34 days annual leave (25 flexible + 9 fixed annual leave days which can either be the Scottish Bank Holidays or aligned to the school term breaks in your council area of residence.), • Hybrid working, • Compressed Hours (35 hr/week) Application Process: Interested candidates should submit their resume and a cover letter outlining their qualifications and vision for the role to . Exergy3 is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Timelines: We hope to fill this position as soon as possible.