Mechanical Engineer

IN2 Engineering Design Partnership; Belfast City District; On-site; GBP 35,000 - 52,000; Full time

Benefits offered by this job

Competitive salary

Bonus and pension

27 days annual leave

Flexible working 37.5h week

Job summary

IN2 Engineering Design Partnership is seeking a Mechanical Engineer to shape building services from concept to handover. You’ll design mechanical systems, work with clients and multidisciplinary teams and drive performance-focused solutions across projects.

The role emphasizes delivering robust calculations, specifications, and reports while coordinating with engineers, architects, and clients to achieve high standards of energy-efficient design.

Qualifications

• Degree in Mechanical or Building Services Engineering required.
• 2 to 5+ years’ experience in consultancy or similar environment.
• Strong HVAC and building services design experience needed.
• Experience with IES/Hevacomp or similar; Revit beneficial.
• Ability to manage workload across multiple projects and timelines.
• Strong communication and client-facing skills.

Responsibilities

• 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.

Skills

Strong communication

Client-facing

Workload management

Education

Degree in Mechanical or Building Services Engineering

Tools

IES

Hevacomp

Revit

Job description

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.

The Role

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.

What You’ll Do

• 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 decisionsSupport site inspections, commissioning, and final delivery
• Drive energy-efficient and sustainable design solutions

What You’ll Bring

• Degree in Mechanical or Building Services Engineering
• 2 to 5+ years’ experience in a consultancy or similar environment
• Strong HVAC and building services design experience
• Experience with IES, Hevacomp, or similar; Revit beneficial
• Ability to manage workload across multiple projects
• Strong communication and client-facing skills

What You’ll Get

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

• Competitive salary, bonus and pension that reflect your impact
• 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