Senior Mechanical Design Engineer (Building Services) City Of London Up To £65k + Benefits A leading international building services consultancy is seeking a Senior Mechanical Design Engineer to join its growing team. With a strong reputation for delivering high-quality design on complex projects, the company works across a wide range of sectors including high-rise residential, hotels, mixed-use developments, and healthcare. The business has established offices around the world and continues to secure a large volume of repeat work from long-term clients, reflecting its consistent performance and trusted partnerships. The successful candidate will take a key role in leading mechanical design elements on significant projects, collaborating closely with multidisciplinary teams to produce innovative and efficient solutions. Responsibilities will include project delivery from concept to completion, client engagement, and the mentoring of junior engineers. This opportunity is ideal for an experienced engineer who is looking for a supportive and progressive environment. With a strong leadership structure in place, the company places a genuine focus on staff development and long-term career progression. Annual performance reviews, a flexible working hours policy, and a positive, collaborative office culture that encourages knowledge sharing and professional growth. In addition to professional support, the role offers a competitive bene...