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IN2 Design Partnership Ltd · Belfast, Northern Ireland, United Kingdom
Mechanical Engineer
Don’t join an Engineering firm. Build what comes next.
Most roles ask you to deliver drawings. This one expects you to shape systems that change how buildings perform and how people live.
You’ll work across the full project lifecycle, designing mechanical systems and influencing decisions from day one. You won’t just deliver designs, you’ll help shape how projects perform, working closely with teams, clients, and stakeholders.
Design mechanical building services systems across multiple sectors
Deliver projects from concept through to construction and handover
Produce calculations, specifications, and technical reports
Coordinate with electrical engineers, architects, and design teams
Attend client meetings and contribute to engineering decisions
Support site inspections, commissioning, and final delivery
Drive energy-efficient and sustainable design solutions
What You'll Bring
Degree in Mechanical or Building Services Engineering
Ability to manage workload across multiple projects
This isn't built around perks. It's built around how high-performing engineers actually want to work. Real ownership, real progression, and a culture that trusts you to deliver.
The Essentials
22 to 27 days annual leave, plus bank holidays
Flexible working across a 37.5 hour week (x5, 7.5 days): early start or later start? You decide
Career Progression
A clear path forward, with responsibility increasing as you prove it
Direct exposure to senior leaders, not layers of hierarchy
IN2 Academy, CPD support and chartership guidance
Fully paid professional fees
Health and Wellbeing
Employee Assistance Programme and annual health checks
Wellbeing and fitness initiatives that support you long term
Cycle to Work scheme to make the everyday easier
Social and Community
Genuinely strong team culture, built through regular events and shared wins
Employee-led charity initiatives with real involvement
Offices in Dublin, London, Berlin, Belfast, Athlone and Madrid
Why IN2?
Across every role, electrical, mechanical, or BIM, the IN2 difference is the same: you're expected to think, lead, and shape outcomes, not just execute instructions. Here's what sets us apart.
Ownership from Day One
Whether you're an Engineer or a Senior, you'll have real accountability and decision-making authority. No waiting for permission. No layers of sign-off slowing you down.
Progression Based on Ability
Faster progression based on what you deliver, not how long you've been in the seat. A clear pathway from Engineer to Senior, Associate, and beyond.
Innovation Time
Dedicated time to develop new ideas, explore emerging technologies, and contribute to sustainability strategies: built into how we work, not bolted on.
High-Performance, Low-Ego Culture
A team that challenges each other, supports each other, and wins together. No hierarchy for hierarchy's sake. Just talented people doing exceptional work.
Complex, High-Profile Projects
Exposure to design-led, high-impact developments that push the boundaries of what building services engineering can achieve.
Global Reach
Work across offices in Dublin, London, Berlin, Belfast, Athlone, and Madrid- a genuinely international practice with a collaborative, connected culture.
Ready to own the outcome? Join a team that expects more and gives more in return.
Details
| Company | IN2 Design Partnership Ltd |
| Location | Belfast, Northern Ireland, United Kingdom |
| Type | FULL TIME |
| Niche | tech |