Senior Design Mechanical Engineer

Overview

As Principal Mechanical Design Engineer, you lead the mechanical design process for large, complex building services projects. You work within a multidisciplinary team to deliver sustainable, high‑quality design solutions and mentor junior engineers. You review outputs to ensure compliance and drive project success, engaging with clients and stakeholders. This role blends technical leadership with hands‑on collaboration to advance energy‑efficient building performance. You will be at the forefront of shaping innovative, compliant designs within a growing consultancy.

Pay / Benefits

• Hybrid working model
• Competitive salary 60k-80k
• Pension scheme
• Generous leave
• Professional development support
• Career progression pathway

Responsibilities

• Lead the mechanical design process for large-scale projects
• Provide technical guidance through project lifecycle
• Oversee and review IES modelling outputs (hands-off modelling)
• Mentor and develop junior engineers
• Manage a small engineering team to meet deliverables
• Collaborate with electrical and environmental engineers for integrated designs
• Liaise with clients, stakeholders, and contractors
• Stay current with industry trends, regulations, and best practices

Key requirements

• 10+ years in building services mechanical design
• Proven experience on large-scale, complex projects
• Strong leadership and mentoring skills
• Proficiency in overseeing IES modelling outputs, with building performance understanding
• Excellent communication and interpersonal skills
• Degree in Mechanical Engineering or related discipline
• Chartered Engineer status (or working towards it) is desirable

• leadership
• mentoring
• stakeholder management
• IES modelling
• building performance analysis
• multidisciplinary design coordination

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