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Mott MacDonald • Christchurch, NZ; Auckland, NZ

Mechanical Engineer

Employment type:  Full time
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Job Description

Mechanical Engineer – Building Services

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 Christchurch team. This is an excellent opportunity for an experienced engineer who enjoys technical delivery, client engagement and working collaboratively with multidisciplinary teams on complex and rewarding projects.

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 5–10 years' experience within building services consulting.
  • Strong 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.
  • Chartered status, or progress towards chartership, would be advantageous.

What you'll work on

You'll have the opportunity to contribute to a broad range of projects throughout Christchurch and 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.

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.

Employee ownership

  • Our employee ownership model means no external investors, just us, creating a culture of shared success.
  • Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
  • As your career grows, so does your stake, recognising your long-term impact and contribution.
  • Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.

Our benefits package is designed to enhance your experience:

• A flexible and agile work atmosphere that caters to your professional journey and life's special moments
• A competitive salary complemented by Discretionary Group and Personal Performance Bonuses for eligible employees
• Comprehensive coverage including life, personal accident, and salary continuance insurance, providing peace of mind during uncertain times
• Opportunities to enhance your work-life balance through the option to purchase extra annual leave
• Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more

You've got this!
We endorse a diverse and inclusive workplace and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply!

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

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    Manchester, GB; Leeds, GB; Sheffield, GB

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    Principal Mechanical Engineer - Adelaide

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    Glasgow, GB; Edinburgh, GB