Principal Mechanical Engineer - Water Sector Locations: Leeds, Warrington or Manchester Hybrid: 2-3 days per week in the office Salary: £70-80k With major AMP8 investment and strong regional growth, Advance TRS are working with a leading consultancy who are expanding their engineering team. They are seeking a Principal Mechanical Engineer to step into a regional lead role-combining technical excellence with people leadership and mentoring responsibility. What You'll Do Act as a regional technical lead for mechanical design, influencing project direction and best practice Lead mechanical design across the full lifecycle - from feasibility and optioneering to detailed design and construction support Deliver innovative solutions for treatment plants, pumping stations, conveyance systems and wider water infrastructure Mentor, support and develop junior engineers, with opportunities to take on formal line management Collaborate closely with project managers, designers, clients, contractors and supply chain partners to drive positive outcomesAbout You Degree-qualified Mechanical Engineer (Chartered or working toward) Strong background in detailed design within the water industry Experience working with delivery contractors is beneficial Natural leader with excellent communication skills and a passion for developing others Comfortable balancing hands-on technical work with team leadershipWhat's on Offer Hybrid working: 2-3 days per week in the office Supportive, friendly and collaborative team culture Competitive salary, pension, holidays, private medical insurance, discounted gym membership and more Flexible working arrangements Meaningful, exciting projects across the UK & Ireland Industry-leading training, development and paid professional memberships A workplace recognised for excellence and sustainability Apply now or contact Molly Brown for more information We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status