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Mott MacDonald • Noida, UP, IN; Mumbai, MH, IN; Bengaluru, KA, IN; Ahmedabad, GJ, IN

Assistant Principal / Senior Electrical Engineer (Treatment Plants)

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.

Job Description :

  • Design (Concept, FEED and Detail Design) of Electrical Distribution Systems for - Low Voltage, High Voltage Electrical system based on International standards – for Middle East, Europe, South East Asia regions.

  • Good understanding & Working knowledge of various water and wastewater treatment process and related engineering works-Pumping Stations, Desalination STPs etc.

  • Supporting global multi-disciplinary teams on Water/Waste Water projects.

  • Prepare Design Basis, Load list, Cable schedule, Interconnection Schedule, Single Line Diagrams, schematics, Bulk MTO.

  • Having good understanding on P & ID, Control philosophy and control system architecture.

  • Working knowledge of I/O list ,loop Diagram, Instrument list ,Instrument datasheets is preferred.

  • Perform Equipment sizing calculations e.g. Transformer, Generator, HV/LV Cables, AC UPS, Capacitor Banks.

  • Perform indoor Lighting, outdoor area Illumination and Street Illumination in Dialux or vendor software, calculations for Earthing and Lightning Protection.

  • Hands on experience of System Studies software – ETAP /SKM/Amtech – ability to independently model electrical system and carry out load flow, short circuit, motor starting, protection relay setting studies

  • Prepare technical specifications, technical data sheets for Electrical Equipment – Transformers, DG Sets, Switchgear, UPS, Battery Charger, Distribution Boards, VFDs, Soft Starters etc.

  • Direct experience with (or direct management of teams using) one or more of the following applications will be considered a plus: Bentley AutoPlant, AutoDesk AutoCAD, AutoDesk AutoCAD 3D or AutoDesk Revit MEP.

  • Preparing Request For Quotation(RFQ), review of technical offers and relevant documents from Vendors.

  • Prepare and evaluations of Bid tabulation/documentation

  • Review of vendor drawings for various Electrical Equipment. Familiarity with review of schematics for HV/LV systems.

  • Applies broad practical knowledge to design of Layouts – Equipment Layouts for outdoor/indoor substation, trench/tray layouts, lighting layouts (Should be able to guide/provide inputs to technicians and review from a technical/quality perspective).

  • Coordinate with Designers, Architects, Structural Engineers, Mechanical Engineers and Process Engineers and any other external design consultant, if required

  • Contribute to conceptual report writing and preparation of construction plans and technical specifications.

  • Experience in the application of classified/hazardous areas will be required.

  • All other duties as assigned

Candidate Specification :

  • Degree in Electrical Engineering from accredited university. with relevent work experience

  • Relevant experience in Electrical design in a consultancy organisation for Water Sector.

  • Conversant in Electrical design software – Dialux, ETAP.

  • Computer literacy in MS office-an understanding of AUTOCAD is essential.

  • Ability to work in on one's own with lead office as part of integrated team

  • Very good written and oral communication skills

  • Self-motivated with keen interest to learn new skills and add value to the team/organization

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

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
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
Reservist leave – 10 days leave

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f):

65:35

Hiring in countries

Australia

Bulgaria

Canada

Czechia

France

Germany

Hong Kong

India

Indonesia

Ireland

Italy

Japan

Malaysia

New Zealand

Serbia

Singapore

Spain

Thailand

United Arab Emirates

United Kingdom

United States

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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