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Mott MacDonald • Auckland, NZ; Christchurch, NZ

Mechanical Engineer

Employment type:  Full time
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Job Description

Mechanical Engineer – Building Services

Auckland or Christchurch

At Mott MacDonald, we help create exceptional buildings and places that improve communities and stand the test of time. Our Building Services team works on a diverse range of projects across New Zealand, delivering practical, sustainable and innovative engineering solutions.

We're looking for a Mechanical Engineer to join our Building Services team. This role can be based in Auckland or Christchurch, providing the opportunity to work closely with a multidisciplinary team delivering projects across New Zealand and the wider APNA region.

The role

As a Mechanical Engineer, you will:

  • Lead the design and delivery of mechanical building services projects.
  • Design HVAC, ventilation, heating, cooling and associated mechanical systems.
  • Prepare technical reports, calculations, specifications and design documentation.
  • Coordinate with clients, architects, contractors and other engineering disciplines.
  • Undertake site inspections, construction support and design reviews.
  • Deliver projects to programme, budget and quality objectives.
  • Support proposal development and contribute to winning work.
  • Mentor and support junior engineers within the team.
  • Build and maintain strong client relationships.

About you

We're interested in candidates who have:

  • A tertiary qualification in Mechanical Engineering or a related discipline.
  • Around 3-7 years' experience within building services consulting.
  • Technical knowledge of HVAC and mechanical building systems.
  • Experience delivering projects across commercial, healthcare, education, transport, aviation or public sector facilities.
  • An understanding of sustainable building design and energy-efficient solutions.
  • Strong communication and stakeholder management skills.
  • Experience working within multidisciplinary project teams.
  • Working towards chartership.

What you'll work on

You'll have the opportunity to contribute to a broad range of projects throughout New Zealand, working alongside specialists in structures, civil engineering, building services, digital delivery and project management. Our teams support projects from concept design through to construction and operation.

Whether based in Auckland or Christchurch, you'll collaborate with colleagues across the country and have access to Mott MacDonald's global technical network, supporting major buildings and infrastructure projects that create positive outcomes for our clients and communities.

What we offer

  • Flexible and hybrid working arrangements.
  • Professional development and support towards chartership.
  • Access to local and global technical specialists.
  • Opportunities to work on complex and high-profile projects.
  • A collaborative and inclusive team culture.
  • Competitive remuneration and benefits.

About Mott MacDonald

Mott MacDonald is a global engineering, management and development consultancy committed to improving society through excellence in engineering, innovation and sustainable thinking.

We value diversity, inclusion and flexibility and welcome applications from people of all backgrounds. We are committed to creating a workplace where everyone feels supported, respected and able to thrive.

Ready to make a difference? Apply today and help us shape the future of the built environment in New Zealand

Equality, diversity and inclusion

We put equality, diversity and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team and personal commitments. We embrace agility, flexibility and trust.

Apply now

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support
Women’s health support
Collaboration spaces

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Hong Kong

India

Indonesia

Ireland

Italy

Japan

Malaysia

New Zealand

Serbia

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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Office Locations

  • Mott MacDonald

    Principal Mechanical Engineer - Adelaide

    Adelaide, SA, AU; Sydney, AU; Docklands, VIC, AU

  • Mott MacDonald

    Mechanical Building Services Engineer

    Manchester, GB; Leeds, GB; Sheffield, GB

  • Mott MacDonald

    Lead Mechanical Engineer

    Adelaide, SA, AU; Docklands, VIC, AU; Sydney, AU

  • Mott MacDonald

    Senior Mechanical Building Services Engineer

    Glasgow, GB; Edinburgh, GB