Your new company An established and well-respected building services design consultancy with a long-standing presence in Northern Ireland, delivering Mechanical, Electrical, and Environmental Engineering solutions across the UK and Ireland. The Derry/Londonderry office is well embedded locally and is now entering a restructured growth phase, creating an opportunity for senior mechanical leadership to help shape its future direction. The consultancy is recognised for technical excellence, strong client relationships, and a collaborative, modern approach to MEP, BIM, and digital engineering. Your new role The successful individual will play a pivotal role during a period of structural realignment, providing stability, technical authority, and commercial leadership while helping to define the mechanical offering going forward. You will inherit an established operation, with scope to influence team structure, client engagement, and delivery strategy. Providing senior leadership for the mechanical discipline within the Derry/Londonderry office Playing a central role in the restructuring and future direction of the local team Acting as client lead for key accounts, maintaining continuity and strengthening relationships Ensuring high-quality, commercially sound delivery of mechanical projects from concept to completion Reviewing and approving mechanical designs, calculations, specifications, and reports Contributing to fee proposals, bids, workload forecasting, and resource planning Supporting low-carbon, energy-efficient, and sustainable design strategies Mentoring and developing engineers, helping to shape team capability and succession planning Working closely with Directors and senior stakeholders to align the office with wider business objectives What you'll need to succeed Degree or Master's in Mechanical Engineering or Building Services Engineering Significant post-qualification experience within a building services consultancy Proven experience operating at Associate Director or Director level, or ready to step into that role Strong technical background combined with commercial and people-leadership capability Experience managing client relationships and contributing to work-winning In-depth knowledge of UK Building Regulations, British Standards, and best practice Confident, credible communicator with the authority to lead through change Proficiency in Revit and familiarity with tools such as IES (desirable) What you'll get in return This is a senior leadership role within an established office entering a new phase, offering genuine influence over structure, delivery, and team development. The position provides exposure to a strong project portfolio across the UK and Ireland, supported by a stable client base and collaborative senior leadership team. There is clear scope for long-term progression and strategic involvement, alongside flexible working and a positive, supportive culture. Senior leadership role within an established but evolving office Genuine opportunity to influence structure, delivery approach, and team development High-quality project portfolio across the UK and Ireland Clear long-term progression and strategic involvement Flexible working and a supportive senior leadership team Pension: 3% employer contribution (salary sacrifice scheme with Scottish Widows; enhanced contributions supported) Private Healthcare: AXA healthcare plan plus up to 70% reimbursement for optical and dental costs Holidays: Generous annual leave entitlement What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be Skills: Associate Director Mechanical Director Associate Mechanical Engineer Benefits: Competitive