Senior Mechanical Engineer Location: Fife, Scotland (Hybrid/On-site as required) Sector: Offshore Energy / Oil & Gas Equipment Employment Type: Full-time, Permanent Overview A well-established engineering organisation specialising in bespoke equipment for the offshore energy sector is seeking a Senior Mechanical Engineer to lead the design and delivery of complex mechanical systems. This role combines technical leadership, client interaction, and hands-on engineering across electro-hydraulic and pneumatic equipment used in demanding environments. Key Responsibilities Act as lead engineer and primary technical interface for clients on new equipment design and build projects Deliver designs in accordance with client specifications, industry standards, and regulatory requirements (including hazardous area compliance) Produce and manage engineering calculation packages to validate design integrity Develop conceptual and detailed designs for bespoke mechanical systems Specify and select components (e.g. pumps, motors, valves, gearboxes) for electro-hydraulic and pneumatic systems Review and approve manufacturing, fabrication, and assembly drawings Lead design reviews with internal stakeholders and external clients Prepare test procedures, commissioning documentation, and operation manuals Support testing and commissioning activities where required Provide technical mentorship and guidance to junior engineers Required Experience & Qualifications Degree in Mechanical Engineering or a closely related discipline Minimum 10 years' experience in a relevant engineering role Strong experience with electro-hydraulic and pneumatic systems, including testing and commissioning Proven ability to specify and integrate mechanical and fluid power components Experience designing bolted and welded structures Knowledge of rotating equipment design (shafts, bearings, gears) Proficiency with CAD software (preferably SolidWorks and/or AutoCAD) Familiarity with ATEX / hazardous area design requirements Desirable Skills Experience with FEA / stress analysis tools Knowledge of subsea control systems Background in offshore oil & gas or energy sector equipment