Senior Mechanical Design Engineer (Building Services)Location: Essex (Hybrid Working)Salary: 60,000 - 70,000 + BenefitsAbout the Company:We are a growing, well-established building services consultancy based in Essex, known for our friendly, supportive, and close-knit team environment. As a smaller organisation, we pride ourselves on our "family feel" culture-where collaboration, trust, and mutual respect are at the heart of everything we do.Due to continued growth and a strong project pipeline, we are now looking for a talented Senior Mechanical Design Engineer to join our team.The RoleAs a Senior Mechanical Design Engineer, you will play a key role in delivering high-quality mechanical building services designs across a variety of sectors, including commercial, residential, and mixed-use developments.You will lead projects from concept through to completion, working closely with clients, architects, and internal stakeholders.Key ResponsibilitiesLead the design and specification of mechanical building services systems (HVAC, public health, etc.)Manage projects from feasibility and concept design through to detailed design and handoverProduce and review technical drawings, specifications, and calculationsAttend client meetings and provide expert technical adviceMentor and support junior engineers within the teamCoordinate with other disciplines (electrical, structural, architectural)Ensure compliance with relevant UK standards and regulations (CIBSE, Building Regulations, etc