Mechanical Design Engineer

Tetra Tech Europe; Belfast; Hybrid; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Hybrid working model

Flexible working arrangements

Mentorship opportunities

Job summary

A leading engineering consulting firm is looking for a Mechanical Building Services Engineer in Belfast to design and deliver high-quality mechanical solutions for various sectors. The role requires a degree in Mechanical or Building Services Engineering, and the candidate should have project leadership experience. The position offers a hybrid work model, involving both office and remote work, with opportunities for travel across the UK and Ireland. Join us to make a significant impact in innovative engineering projects.

Qualifications

• Degree-qualified in Mechanical or Building Services Engineering or equivalent and relevant experience.
• Membership of a professional body expected; Chartered status desirable.
• Proficiency in AutoCAD, Revit, IES or similar advantageous.

Responsibilities

• Design and deliver mechanical building services solutions.
• Lead projects from concept through to commissioning.
• Mentor junior engineers and support team development.

Skills

Technical Design Expertise

Project & Commercial Awareness

Collaboration & Communication

Leadership & Development

Adaptability & Sector Experience

Education

Degree in Mechanical or Building Services Engineering

Chartered status or progress towards it (CIBSE, IMechE, IET)

Tools

AutoCAD

Revit

IES

Job description

Join a growing engineering team delivering complex, high-impact building services projects across the UK and beyond. If you’re driven by technical excellence and want to shape innovative environments, this is your opportunity to make a tangible difference.

Purpose & Scope of the Role

This role focuses on the design and delivery of mechanical building services solutions across a diverse portfolio of complex projects, including refurbishment and new-build developments. You will lead projects from concept through to commissioning, ensuring high-quality, coordinated designs that meet client and regulatory requirements. Working both independently and as part of multidisciplinary teams, you will contribute across sectors such as commercial, healthcare, education, industrial and leisure, while also supporting project management, contractual processes and change control.

Your Impact in this Position

You will play a key role in delivering technically robust, efficient and innovative engineering solutions. From engaging with clients and contractors to mentoring junior engineers, your work will directly influence project success and team development. Your ability to manage multiple priorities, maintain precision in design calculations, and collaborate across disciplines will ensure consistent delivery of high-quality outcomes.

Core Capabilities

• Technical Design Expertise: Deliver accurate, compliant mechanical designs across all project stages. Apply industry standards, modelling tools and engineering judgement
• Project & Commercial Awareness: Manage projects end-to-end, including scope, risk and change control. Understand contractual frameworks and client expectations
• Collaboration & Communication: Lead and contribute effectively within multidisciplinary teams. Confidently engage with clients, contractors and stakeholders
• Leadership & Development: Mentor graduates and apprentices, supporting their technical growth. Promote best practice and continuous improvement within the team
• Adaptability & Sector Experience: Work across varied sectors and complex project environments. Demonstrate flexibility to travel and support project delivery needs

Skills, Qualifications & Experience

Degree-qualified in Mechanical or Building Services Engineering (or equivalent), with relevant industry experience. Membership of a professional body such as CIBSE, IMechE or IET is expected, with Chartered status or progress towards it desirable. Proficiency in tools such as AutoCAD, Revit, IES or similar is advantageous, alongside knowledge of BREEAM, thermal modelling and engineering calculation software. Experience in sectors such as healthcare, education or defence is beneficial.

Working Environment

This role is based in Belfast, with a hybrid working model typically involving 2–3 days in the office and flexibility for remote working. Occasional travel across the UK and Ireland is required, with opportunities for short international assignments. Flexible working arrangements are supported to promote a healthy work-life balance.

About Tetra Tech

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.

We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.

In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role.