Senior to Associate Mechanical Design Engineer

ibse; Watford; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

ibse in Watford is seeking a Senior Mechanical Design Engineer to lead the mechanical design of building services across a diverse project portfolio.

You will own projects from concept through detailed design, coordinating with disciplines, engaging directly with clients, and driving sustainable, energy-efficient solutions while mentoring junior engineers.

Qualifications

• Degree in Mechanical Engineering required.
• Minimum five years' experience in mechanical building services design.
• Strong knowledge of HVAC, pipework design and plant selection.
• Experience delivering projects from concept to detailed design.
• Ability to lead mechanical engineering projects with minimal supervision.
• Good knowledge of UK Building Regulations, Part L and industry standards.
• Experience coordinating designs with other disciplines.

Responsibilities

• Lead the mechanical design and coordination of building services projects from concept through to detailed design and construction.
• Design, specify and select HVAC systems, pipework, plant and related equipment.
• Produce detailed calculations, reports, specifications and design documentation.
• Manage day-to-day delivery of mechanical projects within time and budget.
• Coordinate designs with architecture, structure, electrical and other disciplines.
• Attend client meetings, workshops and site visits to present engineering solutions.
• Oversee drawings and models produced by CAD/Revit teams.
• Review contractor submissions to ensure design compliance.
• Provide technical support during construction, commissioning and handover.
• Contribute to sustainable and energy-efficient design approaches, including renewables where appropriate.
• Mentor junior engineers and promote technical excellence.

Skills

HVAC design

Building services

Project leadership

Client liaison

Regulatory knowledge

Multidisciplinary coordination

Sustainable design

Education

Bachelor's degree in Mechanical Engineering

Chartered Engineer status advantageous

Tools

CAD

Revit

Job description

Client

Our client is a well-established, internationally recognised engineering, design and construction organisation with a long-standing reputation for delivering technically complex and high-specification projects.

Offering an integrated range of consultancy, engineering, design and construction management services, the business works across a diverse range of sectors, including pharmaceuticals, biotechnology, laboratories, advanced manufacturing, food production, logistics and commercial developments.

With extensive in-house engineering expertise, the company provides a comprehensive service from initial feasibility and concept design through to construction, commissioning and project completion. Its multidisciplinary approach enables close collaboration between engineering disciplines, providing clients with coordinated, practical and innovative solutions.

Role

An excellent opportunity has arisen for an experienced Senior Mechanical Design Engineer to join the company's Watford-based engineering team.

The successful candidate will take a leading role in the design and delivery of mechanical building services systems across a varied portfolio of technically demanding projects. Working within a multidisciplinary environment, you will have the opportunity to take ownership of projects, engage directly with clients and contribute to the development of efficient, sustainable and commercially viable engineering solutions.

The position offers considerable technical autonomy, exposure to specialist projects and opportunities for continued professional development and career progression.

Responsibilities

• Lead the mechanical design and coordination of building services projects from initial concept through to detailed design and construction.
• Undertake the design, specification and selection of HVAC systems, pipework, plant and associated mechanical equipment.
• Produce detailed engineering calculations, technical reports, specifications and design documentation.
• Manage the day-to-day delivery of mechanical engineering projects, ensuring compliance with agreed programmes, budgets and quality standards.
• Coordinate mechanical designs with architectural, structural, electrical, public health and other engineering disciplines.
• Attend client meetings, design workshops and site visits, providing technical advice and presenting engineering solutions.
• Oversee the preparation of drawings and models by CAD and Revit technicians.
• Review contractor submissions, equipment selections and technical documentation to ensure compliance with design requirements.
• Provide technical support throughout construction, commissioning and project handover.
• Contribute to the development of sustainable and energy-efficient design solutions, incorporating renewable technologies where appropriate.
• Support and guide junior engineers, promoting technical excellence and continuous professional development.
• Maintain effective communication with clients, contractors and internal project teams to ensure successful project delivery.

Requirements

• Degree qualified in Mechanical Engineering or a closely related discipline.
• A minimum of five years' experience in mechanical building services design within a consultancy environment.
• Strong technical knowledge of HVAC systems, pipework design, plant selection and associated engineering calculations.
• Experience delivering projects through concept, developed and detailed design stages.
• Ability to lead mechanical engineering projects with minimal supervision.
• Good working knowledge of UK Building Regulations, particularly Part L, and relevant industry standards.
• Understanding of sustainable building design, energy efficiency, renewable technologies and Net Zero objectives.
• Experience coordinating designs with other building services and construction disciplines.
• Strong communication skills and confidence engaging directly with clients and project stakeholders.
• Familiarity with CAD and Revit-based design processes.
• Chartered Engineer status, or a commitment to achieving chartership through a recognised professional institution such as CIBSE or IMechE, would be advantageous.

Benefits

This position would suit an ambitious Senior Mechanical Engineer looking to take greater ownership of projects, develop their technical leadership capabilities and progress towards a more senior position within an established engineering organisation.

The role offers the opportunity to work on technically challenging projects within specialist sectors, collaborate with experienced multidisciplinary teams and contribute to the delivery of innovative engineering solutions.

With a strong emphasis on technical excellence and professional development, the company provides an environment in which experienced engineers can broaden their expertise, build lasting client relationships and progress their careers.