Mechanical Design Engineer (Building Services)

Allscreens Nationwide Ltd; Royal Leamington Spa; On-site; GBP 45,000 - 55,000; Full time

Job summary

Allscreens Nationwide Ltd is seeking a Mechanical Design Engineer for building services to deliver concepts through to detailed design. You will work within a collaborative consultancy culture, producing designs, calculations, specifications and drawings for diverse projects.

The role involves leading design packages, coordinating with teams and external consultants, attending site surveys, and ensuring compliance with UK regulations.

Qualifications

• Degree in Mechanical Engineering or Building Services Engineering.
• Experience delivering mechanical building services designs within a consultancy environment.
• Strong understanding of mechanical systems, UK Building Regulations and design standards.
• Effective communication and coordination skills.
• Ability to work independently on design tasks and manage deadlines.
• Desirable: MOD or secure-environment project experience.

Responsibilities

• Produce mechanical building services designs, calculations, specifications and drawings.
• Lead or support mechanical design packages across multiple projects.
• Coordinate with internal design teams, CAD specialists and external consultants.
• Attend site surveys, inspections and design meetings.
• Ensure designs comply with UK Building Regulations and client expectations.
• Manage workload while contributing to wider team delivery.

Skills

Communication skills

Deadline management

Independent work

Education

Bachelor's or equivalent in Mechanical/Building Services

Tools

AutoCAD

IES

Hevacomp

Job description

Mechanical Design Engineer (Building Services)

You will be joining a long‑established Mechanical & Electrical Building Services Consultancy that delivers technical design and advisory services across a wide range of sectors. Their portfolio includes commercial, industrial, education, health, leisure, hotel and residential projects, spanning both new‑build and refurbishment schemes. The consultancy is recognised for its collaborative, hands‑on engineering culture and its commitment to delivering high‑quality, tailored mechanical and electrical design solutions across the UK.

Your new role

As a Mechanical Design Engineer, you will take responsibility for producing and delivering mechanical building services designs from concept stage through to project completion. You'll work alongside experienced engineers and CAD technicians within a supportive and technically strong team.Key responsibilities include:

Producing mechanical building services designs, calculations, specifications and drawings

Leading or supporting mechanical design packages across multiple projects

Coordinating with internal design teams, CAD specialists and external consultants

Attending site surveys, inspections and design meetings

Ensuring designs comply with UK Building Regulations, industry standards and client expectations

Managing your own workload while contributing to wider team delivery

Projects you will work on:

Commercial offices and workplace fit‑outs

Industrial and manufacturing facilities

Education buildings

Healthcare environments

Hotels and leisure developments

Residential and mixed‑use schemes

MOD and secure‑infrastructure projects requiring robust mechanical engineering solutions

These sectors reflect the consultancy's established capability within the UK construction industry.

Software used:

You will work with AutoCAD, IES, Hevacomp, and other modelling tools the consultancy invests in to support consistent, high‑quality design output.

What you'll need to succeed

Degree or HND in Mechanical Engineering or Building Services EngineeringExperience delivering mechanical building services designs within a consultancy environment

Strong understanding of mechanical systems, UK Building Regulations and design standards

Effective communication and coordination skills

Ability to work independently on design tasks and manage deadlines

Desirable: experience in any of the listed project sectors, including MOD or secure‑environment projects

What you'll get in return

Salary: £45,000-£55,000, depending on experienceOpportunity to join a reputable consultancy with a diverse and robust project pipeline

Full lifecycle involvement from early concept to detailed design and delivery

Supportive, collaborative engineering team

Clear professional development pathway, with progression from Intermediate to Senior

Hybrid working, including the option to work from home one day a week

Involvement in technically varied and rewarding projects that will help develop both design and project‑leadership skills