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Mott MacDonald • Glasgow, UK / Newcastle, UK / Altrincham, UK / Bri

Engineering Design Manager Detailed Design - Substations

2 days/week at home

A little flex time – We’re happy to talk flexible working and how we can support your responsibilities beyond the workplace. We offer a range of options depending on your role, so please discuss this with your recruiter.

Apply now

Job Description

Mott MacDonald

We’re a global engineering, management, and development consultancy.
Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients’ businesses, our communities and employee opportunities.

A fundamental part of this is respecting each person’s differences and striving to meet their needs.

We are proud to be a one of Glassdoor’s top employers to work for in the UK, as well as being recognised as a Top Inclusive Company in the UK.

Our values: Progress, Respect, Integrity, Drive, Excellence.

About the business unit
The Energy unit delivers services to clients globally across a number of sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design, to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

Overview of role

Energy Networks is looking to appoint an Engineering Design Manager to support the management of a large multi voltage detailed design for a new substation in the UK.
The position is within the Transmission and Distribution section of the Energy Unit in Mott MacDonald.
This post will be based principally in one of our UK offices. Our portfolio of work continues to grow and we have a number of opportunities in the pipeline which offer exciting roles and responsibilities. This role will support the growth of the existing teams as part of our expansion plans.
The role is internally and externally facing. Internally you will be working with Project Managers., (who will be responsible for the commercial, contractual parts of delivery), Planners, , and discipline leads who you will manage to produce the required designs. Externally, you will be liaising with the client and contractors to ensure the design meets the clients requirements.
You will be responsible for the delivery of the detailed design of projects which may include strategically important and complex EHV substations, , to programme, budget and quality.
You will be able to manage design teams including HV Plant, Cable, OHL, Civil, and Protection and Control.You will be co-ordinating these discipline inputs (including health and safety, sustainability, environment, planning) to achieve a fully integrated detailed design. You will be using a combination of onshore and offshore resources and working closely with the Contractors
You will be responsible for:

  • Providing an overall technical lead
  • Managing design works, monitoring and reporting via programme updates, trackers & progress meetings helping to prepare schedules of work, work breakdown structures and risk schedules.
  • Ensuring all designs are appropriately reviewed and approved in line with best practice and by appropriately qualified individuals.
  • Working with the client Assurance and Operations teams to ensure the design is functional and acceptable
  • contribute to Health and safety management of design including application of CDM regulations
  • Demonstrate a personal commitment to the health and safety framework, policies and management system requirements and expectations •
  • Develop and maintain an awareness of SHE hazards and associated risks and demonstrate a commitment to eliminate or minimise those risks •
  • Work with the resource manager to expand the team.
  • Work with the existing team to improve/implement efficient design processes
  • Work with the wider team to ensure designs are sustainable and support environmental and planning aspects of the works
  • Deal with any issues arising from the construction teams.

You will be assisted by, and overview the works of, the discipline specific leads and their teams, a nominated Principal Designer, Civil and Electrical integration engineers (including site works).

Candidate Specification:

  • Demonstrable experience of producing detailed design within a multidisciplinary environment
  • Engineering Degree (preferably Electrical) and/or suitable experience.
  • A collaborative approach to working and your day to day interactions
  • UK based EHV experience would be beneficial
  • Delivering detailed designs utilising the latest BiM/ Digital tools

We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds.

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 can contribute.


We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will talk to you about how we can support you.

Agile working

Happy to talk Flexible Working and how we can support your responsibilities beyond the workplace.

We offer some fantastic benefits including:

Health and wellbeing

  • Private medical insurance for all UK colleagues.
  • Health cash plan to support you with every day health costs and treatments.
  • Access to Peppy, providing free support from menopause experts for all UK colleagues.
  • A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
  • Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.

Financial wellbeing

  • We match employee pension contributions between 4.5% and 7%.
  • Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary.
  • Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.
  • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
  • As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.


  • A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
  • Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
  • Variety of employee saving schemes and discounts from high-street retailers.

Enhanced family and carers leave

  • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
  • Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
  • Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.

Learning and development

  • Primary annual professional institution subscription.
  • A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.

Networks, communities, and social outcomes

  • Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
  • Make a difference within our communities through our social outcomes.

Apply now, or for more information about our application process, click here.


Company benefits

Open to part-time employees
Adoption leave – 26 weeks full pay
Open to part time work for some roles
Buddy scheme
Flexible working week
Enhanced sick pay
Dental coverage
Compassionate leave
Health assessment
Eye Care Support – Eyecare vouchers
Private GP service – Private Medical care for all UK staff
Season ticket loan
Theme park discounts
Religious celebration leave
Buy or sell annual leave
Accrued annual leave
Caregiver Leave
Enhanced maternity leave – 26 weeks
Enhanced paternity leave – 2 weeks
Shared parental leave – We match up to 24 weeks full pay
Pregnancy loss leave
Tax-free childcare
In office yoga classes
Cycle to work scheme
Faith rooms
Salary sacrifice
Life assurance
Annual pay rises
Pension match/increase
Life insurance
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
More information needed
More information needed
More information needed
Work-life balance
More information needed
Role modelling
More information needed
More information needed

Working at Mott MacDonald

Company employees

18,000 worldwide

Gender diversity (male:female)


Office locations

UK Wide; London, Croydon, Birmingham, Derby, Altrincham, Manchester, Whitehaven, Newcastle, Middlesbrough, Durham, Bristol, Southampton, Reading, Cambridge, Peterborough, Brighton, Norwich, Glasgow, Edinburgh, Aberdeen, Inverness, Cardiff, Newport, Exeter, Leicester, Leeds, Skipton, York

Hiring Countries

United Kingdom

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