Electrical Engineer – Water Treatment, PLCs & SCADA (Flex)

Company: JN Bentley
Apply for the Electrical Engineer – Water Treatment, PLCs & SCADA (Flex)
Location: Exeter
Job Description:

Internal applicants are welcome.

Mott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award‑winning projects. With an annual turnover surpassing £500 million, Mott MacDonald Bentley cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth.

In November 2023, MMB secured its first ever framework with South West Water, the company responsible for the water and wastewater services of 1.8 million customers in Cornwall, Devon, the Isles of Scilly and parts of Dorset and Somerset. The multi‑million‑pound AMP8 contract runs for five years to 2029 – with the potential for a further five‑year extension – and lets us bring our track record of innovative project delivery to the south west of England for the very first time.

Role Overview

  • Preparing electrical engineering designs for water treatment equipment on our client’s site. You will be working with Motor Control Centres, LV distribution systems, Cabling, Instrumentation, Industrial Networks, PLCs and SCADA. Systems will be both new latest technology and existing legacy installations.
  • Applying all relevant design standards including Client and WIMES standards and legislation.
  • Coordinating with the multidisciplinary design team to ensure designs are completed to the brief on programme and within budget.
  • Producing technical specification and schedules for procurement activities, reviewing supplier tender bids and technical submissions.
  • Producing the URS for control systems, reviewing supplier FDS and attending factory acceptance tests.
  • Reviewing and understanding existing installed systems that are to be interfaced from site visits, drawings and reports.
  • Positively engaging with the client, managing relationships and supporting them to achieve their aims.

What You’ll Need

  • Degree in Electrical Engineering, or related field.
  • Working towards IEng / CEng with a relevant Engineering Institution.
  • Ability to communicate effectively with team members and stakeholders.
  • Methodical approach to problem solving.
  • A valid driving licence and willingness to travel to sites across your operational region.

Benefits

Financial wellbeing

  • MMB match employee pension contributions between 4.5% and 7%.
  • As an independently owned business we share the financial success of the business with all our colleagues including our annual bonus schemes.
  • Payment of annual professional institution subscription costs.

Health and wellbeing

  • A minimum of 33 days holiday each year, inclusive of public holidays, with the ability to buy, sell or carry over annual leave through our flexible benefits programme.
  • Access to Life Assurance / Private Medical Insurance / Critical Illness Insurance and Health Screening options.
  • We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace.
  • Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.

Enhanced family and carers leave

  • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave plus the option for shared parental leave.
  • Up to 2 paid additional days leave are provided for those with significant caring responsibilities.

Learning and development

  • MMB are committed to empowering our people to grow professionally and thrive in their careers. We offer structured development schemes that support your journey toward professional chartership. From day one, employees are fast‑tracked towards chartership reviews and benefit from mentorship, hands‑on experience, and tailored training opportunities.
  • Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

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Posted: May 27th, 2026