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
Preparation of Equipment layout and civil outline drawings for waste water and desalination
Preparation of Piping Material specification and valve material specification as per project
Cross checking of hydraulic calculation and hydraulic flow diagram during detail engineering
Preparation of pump head calculation and blower head calculation.
Preparation of RFQ (ready for quotations) for Bought out items such as Intake pumps,
Preparation of RFQ for Package items such as compressor, lime handling system and co2 storage system and Degasifier system etc.
Preparation of technical datasheets for all rotary and static equipment’s.
Preparation of technical bid evaluation and manufacturing clearance for all the bought out
Checking of vendor GA’s for various equipment’s.
Follow up with vendor & consultant/client for the documents approval.
Preparation of line sizing and pipe wall thickness calculation.
Design and preparation of fabrication skid drawings such as UF Module rack, valve rack and compact High pressure RO Skids, RO CIP Skids and UF Backwash skids
Checking of piping isometric drawings and piping 2D GA drawing.
Checking of pipe supports drawings (Above ground and below grounds such as thrust bloc
Preparation and checking of mechanical GA drawings as per the bought out details.
Preparation of initial and final piping MTO (Material to be ordered).
Preparation of erection BOM and release for site.
Coordination of other disciplines such as Process, Civil, Electrical and instrumentation.
Co-ordination of site team and preparation of as built drawings.
To understand the design risk and assumptions associated with the project and manage this risk.
To record the risks and assumptions as the project progresses.
To ensure that the designers responsibilities under CDM are adhered to by all
To promote good H&S practice and minimise risks to operators / maintainers (e.g. designing out confined spaces and working from heights)
To understand the environmental issues associated with the design and to manage them through the design process
Undertake post project reviews to identify and communicate lessons learnt and best practice.
Ensure the design team are working to the company procedures (i.e. Engineering, CAD, and QA procedures).
Identify potential improvements to the client’s systems and procedures
Candidate Specification :
BE or M Tech in Mechanical Engineering
MIMechE/ MIET or equivalent Professional qualifications of workings towards achieving it
Detailed knowledge of the design process, engineering, and engineering design
Good understanding of project commercial issues and constraints
Appreciation of Health, Safety and Environmental systems and procedure
Software requirement:
Experience in either of AutoCAD® P&ID, OpenPlant PID, SmartPlant P&ID, OpenPlant Modeller is desired
Revit MEP, Navisworks
Microsoft Word, Excel, and PDF document management, Bentley ProjectWise
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:

Mott MacDonald is an employee-owned engineering, development and management consultancy, with more than 20,000 people in over 50 countries. We plan, design, deliver and maintain the transport, energy, water, buildings and wider infrastructure that is integral to people’s daily lives. Our core strength is using our expertise to overcome complex challenges, for the benefit of our clients and the communities they serve.
This infrastructure connects new and existing communities, it improves access to a wider range of amenities and vital public services, powers sustainable economic growth, and builds greater environmental resilience. These projects address some of society’s biggest challenges, and from their scope to their scale, they are as diverse as they are complex.
Through our global network of specialists, we apply excellence and innovation to overcome these challenges. The culture we have created at Mott MacDonald is integral to this. It enables our brilliant people to thrive in a nurturing environment, collaborating with and learning from our industry leaders to develop pioneering solutions and build technical expertise in their fields.
With this approach, we achieve transformative social outcomes for our clients and the communities they serve – from accessibility, to inclusion, empowerment, resilience and wellbeing. These are at the heart of our purpose, and the forefront of our minds in everything that we do.
Engineering. Management. Consultancy.