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Mott MacDonald • Mumbai, MH, IN

Assistant Mechanical Modeller

Employment type:  Full time
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Job Description

Mott MacDonald is a global engineering, management, and development consultancy committed to delivering impactful work that shapes the future.


We are a team of over 20,000 experts working across the world in more than 50 countries.
We are proud to be part of an ever-changing global industry, delivering transformative work that’s defining our future. It’s our people who power that performance. As an employee-owned business, we invest in creating a space for everyone to feel safe and valued and empowered with the right tools and support.


Whether you want to pursue excellence in your specialism or broaden your experience with flexible roles across our business, you’ll be connected to a community of global experts championing you to be your best. Join us and shape your story with Mott MacDonald, where everyone has the opportunity to be brilliant.

Main Purpose of the Job:

Preparation of layout and 3D model for HVAC system design for various types of HVAC systems & projects.

Key Responsibilities/Duties:

The selected candidate will be responsible for :

  • Preparation of HVAC layouts in Revit.
  • 3D modelling of HVAC systems.
  • Review the alignment with other disciplines 3D / 2D deliverables
  • Ensuring Quality in Deliverables.
  • Basic design calculations for ducting sizing.
  • Quantities take off based design drawings.
  • Carrying out checking of drawings.
  • Coordination between other MEP disciplines, such as Electrical, Plumbing services.
  • Clash checking in Revit 3D model and resolve the issue
  • Work within time limits to complete deliverables on time
  • Review of vendor drawing.

Essential Candidate Requirements:

  • Diploma in Mechanical Engineering / Refrigeration and AC or equivalent in respective engineering discipline.
  • Experience in Engineering Consultancy firms.
  • Be proficient in drafting of HVAC systems, ducting and piping design , plant room layout, sections etc.
  • Have good experience in relevant design software such as Auto CAD, REVIT, Naviswork and IT literacy.
  • Good communication skills and a professional attitude towards work,
  • Be a team player and having multi-disciplinary co-ordination skills.
  • Knowledge in Fire Protection System and piping layout in Plant3D will be an added advantage.

Flexible working
At Mott MacDonald, we support our staff to create work-life balance which works for them and welcome candidates looking for career flexibility. We are open to discussing flexible working at interview stage.

Our benefits package is designed to enhance your experience:

  • Agile working
  • Critical illness and compassionate leave
  • Paternity Leave
  • Group term life insurance, and Group medical insurance coverage
  • Career mobility options
  • Short and Long-term global employment opportunities
  • Global collaboration and knowledge sharing

Company benefits

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

Working at Mott MacDonald

Company employees

18,000 worldwide

Gender diversity (male:female)

65:35

Currently hiring in

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Office Locations

Awards & Accreditations

2nd – Career Progression

2nd – Career Progression

Flexa awards 2025
3rd – Family Friendly

3rd – Family Friendly

Flexa awards 2025
Work-Life Balance

Work-Life Balance

Flexa awards 2025
Flexible

Flexible

Flexa awards 2025
Culture

Culture

Flexa awards 2025

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