Principal Mechanical Systems Engineer

We are seeking a Principal Mechanical Building Services Engineer to join the Facilities Engineering Technical Authority team, supporting Devonport Royal Dockyard. This role is central to delivering technical authority and design assurance, ensuring subcontractor-led mechanical building services projects meet regulatory, technical, and business requirements. Principal Mechanical Systems Engineer Rate: Up to £75 per hourContract Length: 12 MonthsLocation: Plymouth 2x a week Key Responsibilities Act as technical authority and intelligent customer for Mechanical Building Services projects and will guide, review and feedback on designs, ensuring compliance with standards and regulations is met.Extensive understanding of mechanical engineering principles for the design, operation and maintenance of Steam and Condensate, Industrial Gases, Fresh Water, Demineralised Water, HVAC, Domestic Water services etc.Define requirements, scopes of work, and provide estimates for tender responses.Lead and attend technical and stakeholder meetings, providing expert guidance using strong organisational, communication, and stakeholder management skills.Undertake design validation, audits, surveys, and site inspections.Provide technical oversight to junior engineers and support knowledge transfer within the team.Maintain high-quality design documentation and records. Qualifications Degree qualified in Building Services/Mechanical Engineering (or equivalent).Chartered Engineer (CIBSE or IMechE) or ..... full job details .....