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 several 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

The Energy Unit, specifically the Transmission & Distribution division are recruiting for a Senior Electrical Engineer to join our team. This role is to support client projects from inception and master planning through concept and detailed design stages all the way to commissioning and final completion.

Our work is varied and spans across all forms of Renewable Power Generation, Network Design, Grid Connections, Net Zero Carbon aspirations and Estate Management Planning. We also provide detailed design solutions in the renewables, aviation, data centre, healthcare, nuclear and defence sectors.

Typical projects will include working from a client brief to produce tender specifications, calculations, designs and drawings for new or renovated 11kV and 33kV switchgear networks and renewable energy connections with HV cable connections, transformers, diesel generators, load banks, LV interfaces, SCADA interfaces and protection schemes.


The successful candidate will provide technical solutions and project leadership in the production of electrical designs for major electrical and multi-disciplinary infrastructure works. You will be expected to become familiar with the company procedures and provide technical expertise and contributions to bids and proposals in addition to project planning, project delivery and execution to a high standard. You will manage engineering projects and deliverables ensuring they meet the client’s expectations and applicable statutory and regulatory specification, on time and within budget. You will also support and contribute to the development of junior staff and graduates

Typical activities include:

  • Leading site surveys
  • Ensure project deliverables and scope are clear
  • Understand procurement and contract awards such as NEC PSC
  • LV and MV network configuration and advice on resilience issues.
  • Input into the network configuration and understanding of operations scenarios and impacts.
  • LV and MV (up to 33kV) network design.
  • LV and MV cable sizing, routing and termination.
  • LV and MV substation design layouts.
  • LV and MV substation main equipment operations and specifications.
  • Understanding and interpretation of client standards and DNO regulations and standards.
  • Earthing designs including understanding of design, modelling and calculations for step, touch and transfer potential.
  • Protection requirements
  • Arc flash requirement
  • Review of design submissions within the team against client scope.
  • Design reviews.
  • Have an ability to co-ordinate across project disciplines both internal and external.
  • Be competent in the use of MS packages.
  • Be aware of and eventually contribute to bid procedures and internal governance.
  • Be aware of procurement, construction and commissioning activities.

Candidate specification:

Working as part of a Team and reporting to the Project Principal or Principal Engineer, we are ideally looking for candidates who are Chartered, along with:

  • Professionally qualified in a relevant engineering discipline
  • Proven skills, capabilities and experience in the sector areas mentioned above
  • Excellent written and verbal communication skills are essential as the role will require preparation of specifications and reports.
  • Co-ordinate with multi disciplines both internal and external.
  • Demonstrable experience within electrical project engineering, with focus on installations from LV up to 11kV / 33kV.
  • Be able to travel in the UK and overseas if required,
  • Must have initiative, self-motivation and the confidence to make decisions.

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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