Senior Mechanical Project Engineer

Job Title: Senior Mechanical Project Engineer Project: MOD Defence Project Location: Odiham, Hook (Hampshire) Salary: Up to £75,000 + Car Allowance Benefits: Private Healthcare, 11.5% Pension, Excellent Career Progression The Role We are recruiting a Senior Mechanical Project Engineer to oversee the mechanical services package on a major MOD defence project based in Odiham, Hook. This is a key delivery role within a live construction environment, reporting directly to the Senior Mechanical Project Manager. You will take responsibility for managing mechanical works from construction phase through to commissioning and handover, ensuring delivery is safe, compliant, on programme, and to the highest standards. Key Responsibilities Take full ownership of the mechanical services package from installation through to final handover Provide strong operational and site leadership across the mechanical scope Manage and coordinate mechanical subcontractors, including specialist packages Oversee mechanical supervisors and site management teams Liaise closely with electrical engineers, project managers, and wider M&E teams to ensure coordinated delivery Manage interfaces with existing live client facilities, ensuring minimal disruption and strict compliance with site protocols Lead mechanical procurement activities, including material scheduling, supplier liaison, and stock control Prepare, review, and manage RAMS, permits, and construction documentation Ensure all works comply with health & safety, quality, and programme requirements Contribute to progress reporting, coordination meetings, and issue resolution About the Company A Top 3 UK Tier 1 M&E and Construction Contractor Delivering complex, high-value projects across defence, infrastructure, and the built environment Typical project values £20m+ Annual turnover of approximately £9.5bn, with strong and sustained growth plans £16bn secured pipeline through to 2027 Significant investment in people, training, and long-term career development This role is part of continued expansion following multiple major project wins across the South Coast The Ideal Candidate Minimum 5+ years’ experience within the mechanical building services industry Proven background in mechanical project delivery, construction, or site management Previous experience working on commercial, defence, or complex M&E projects Strong understanding of mechanical installation, commissioning, and handover processes Holds relevant site qualifications: JIB / Skill Card, SSSTS or SMSTS Able to work effectively under pressure and manage competing priorities Excellent communication and coordination skills Able to commute to Odiham, Hook on a daily basis What’s on Offer Salary up to £75,000 per annum Car allowance 11.5% employer pension contribution 26 days annual leave + 8 bank holidays, with buy/sell options Private healthcare Long-term career progression opportunities within a Tier 1 contractor Opportunity to work on a high-profile MOD defence project