Mechanical Design Engineer

Job description

Mechanical Design Engineer (Intermediate & Senior)

OCSC, a multi-disciplinary engineering consultancy is seeking Intermediate and Senior Mechanical Design Engineers to join its Building Services team.

Location: London or Birmingham (Hybrid working model)

Sponsorship: Not available

Role

As part of an integrated multidisciplinary project team, you will be responsible for the design and specification of mechanical building services systems for a wide range of projects. Opportunities are available at both Intermediate and Senior level, with responsibilities aligned to your experience

Requirements

Intermediate Mechanical Design Engineer

• Third level degree in Mechanical or Building Services Engineering.
• Minimum 3 years' experience in a similar building services design role.
• Previous UK or Ireland project experience is essential.
• Strong technical ability and understanding of current engineering standards, including Building Regulations, CIBSE/BSRIA Guides and IS/EN Standards.
• Experience in the design and specification of mechanical building services systems, including drainage, water services, heating, cooling, ventilation and controls.
• Experience with Bluebeam, AutoCAD and Navisworks.
• Good communication skills and the ability to work effectively within a multidisciplinary engineering team.
• Excellent attention to detail and accuracy.

Senior Mechanical Design Engineer

• Third level degree in Mechanical or Building Services Engineering.
• 7+ years' experience in mechanical building services design, ideally within a design consultancy.
• Previous UK or Ireland project experience.
• Strong technical ability and thorough understanding of current engineering standards, including Building Regulations, CIBSE Codes and IS/EN Standards.
• Extensive experience in the design and specification of mechanical building services systems, including drainage, water services, heating, cooling, ventilation and Building Management Systems (BMS).
• Experience working with clients, contractors and vendors.
• Experience with AutoCAD; Revit and IES experience advantageous.
• Chartered Engineer status or working towards chartership.
• Strong leadership, communication and project management skills.
• Excellent attention to detail and accuracy.

Key Responsibilities

Intermediate

• Assist with the design and specification of mechanical building services systems in accordance with current regulations and design standards.
• Work as part of an integrated project design team.
• Assist with the management of engineering tasks on projects.
• Support construction-stage activities, including site inspections, technical submittals and responding to RFIs.

Senior

• Lead the design and specification of mechanical engineering solutions for building projects.
• Work directly with clients to define project requirements and develop technical solutions.
• Lead multidisciplinary project design teams.
• Manage pre-construction engineering activities, including services coordination, tender documentation, specifications and equipment schedules.
• Lead project delivery during construction, including site inspections, technical submittals and RFIs.
• Mentor and support junior engineers.

Benefits

• Competitive salary (plus bonus for Senior level)
• Hybrid and flexible working
• Pension scheme
• Life Insurance (Death in Service)
• Sponsored education / Educational Assistance Scheme
• Continuing Professional Development (CPD) Programme
• Professional fees paid
• Wellness Programme

Extra information

Status

Open

Education Level

Secondary School

Location

London Area

Type of Contract

Full-time jobs

Published at

01-08-2026

Profession type

Manufacturing / Industrial

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English