Mechanical Design Engineer

RGB Recruitment; Wales; On-site; GBP 35,000 - 50,000; Full time

Job summary

A leading recruitment agency is seeking a Mechanical Building Services Design Engineer for a full-time, permanent position in the Cardiff area. The ideal candidate will have at least 3 years of experience, a degree in Mechanical/Building Services Engineering, and proficiency in Revit. This role involves developing innovative design solutions for various sectors and requires strong organisational skills and the ability to work under pressure.

Benefits

Company pension

Health insurance

On-site parking

Qualifications

• 3+ years of experience in mechanical building services design.
• Experience in design office and site/construction environments.
• Demonstrable skills in detailed building services design.

Responsibilities

• Develop and deliver mechanical building services design solutions.
• Prepare and review mechanical design drawings and related documentation.
• Coordinate with BIM teams for quality assurance.

Skills

Mechanical documentation creation

Organisational skills

Effective communication

Time management

Attention to detail

Education

Degree in Mechanical/Building Services Engineering

CIBSE–accredited qualification

Tools

Revit

Industry-standard engineering software

Job description

Overview

Mechanical Building Services Design Engineer – Full-time, Permanent – Cardiff Area. Benefits: Company pension, health insurance, on-site parking.

About the Role: We are seeking a Mechanical Building Services Design Engineer with at least 3 years' UK experience to join our growing team in the Cardiff area. You'll be part of a collaborative, friendly practice delivering innovative and sustainable M&E design solutions for projects across the commercial, industrial, government, and healthcare sectors. With a strong reputation for quality and reliability, we work on high-profile projects nationwide alongside leading architects, designers, and contractors, with a focus on low-carbon and sustainable design.

Key Responsibilities

• Develop and deliver mechanical building services design solutions, ensuring compliance with current legislation and engineering standards.
• Carry out detailed calculations, analysis, and design reviews.
• Prepare and review mechanical design drawings and related technical documentation.
• Coordinate with BIM teams to ensure design packages meet required quality and deadlines.
• Support project managers throughout design, installation, commissioning, and testing stages.
• Liaise with clients, consultants, and contractors, maintaining strong professional relationships.
• Ensure adherence to health, safety, environmental, and quality management policies.
• Work across multiple projects simultaneously, managing priorities and deadlines.

About You

Qualifications & Experience

• Degree in Mechanical/Building Services Engineering (or equivalent relevant experience).
• Demonstrable experience in detailed building services design.
• Working towards or already holding a CIBSE–accredited qualification (e.g. BEng/BSc).
• Experience in both design office and site/construction environments.
• Proficient in Revit and other industry–standard engineering software.

Essential Skills

• Ability to create and modify mechanical documentation, drawings, and schematics.
• Strong organisational and time management skills, with meticulous attention to detail.
• Effective communicator, both written and verbal, with a collaborative approach.
• Self–motivated, enthusiastic, and able to take responsibility for project outcomes.
• Comfortable working under pressure in a fast–paced environment.