Join a Collaborative and Design-Focused Engineering Consultancy Location Bristol Hybrid Working Salary Highly Competitive Salary + Executive Benefits The Opportunity A leading sustainability-focused engineering consultancy is seeking a Principal Mechanical Engineer to provide technical leadership across a diverse portfolio of complex building services projects. Known for its innovative engineering approach and collaborative culture, the consultancy delivers award-winning projects across commercial, heritage, arts, education, leisure, and residential sectors. With continued expansion and investment into a brand-new office environment, the business is entering an exciting new phase of growth. This is an excellent opportunity for an experienced engineer looking to lead projects, mentor teams, and influence the future direction of a growing consultancy. Responsibilities Lead the technical delivery of major mechanical engineering projects. Provide strategic input across multidisciplinary schemes. Develop sustainable and innovative engineering solutions. Manage and mentor engineering teams. Maintain and develop key client relationships. Support business development and project bids. Review and approve complex engineering designs. Drive technical excellence and quality standards. Requirements Degree qualified in Mechanical or Building Services Engineering. Extensive consultancy experience within building services. Strong leadership and team management capabilities. Proven client