23 Feb, 2021

Senior Clean Water Process Engineer

  • Costain
  • East Sussex, UK
Process Engineer Water & Waste

Job Description

About Costain and your project.

As our Senior Process Engineer (Water) you will deliver clean water process design solutions from initial definition of need through optioneering, solution development, detail design and construction / commissioning support. As part of an integrated, multidiscipline design-delivery team the role will require a collaborative approach ensuring effective communication and engagement with Project Teams, Supply Chain and Client Engineering / Operational representatives.


Costain helps to improve people’s lives with integrated, leading edge, smart infrastructure solutions across the UK’s energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK’s leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

For more information visit www.costain.com

 CMDP is a Joint Venture between Costain and MWHT based on a 50/50 share relationship.

The Joint Venture was initially formed in 2015 to deliver the 5 year (2015 – 2020) AMP6 (Process) Programme in South East England (East Sussex and Kent) for Southern Water. The Delivery Contract was worth £200 million over 5 years. 

The success of this partnership means that CMDP have been awarded a follow- up contract of AMP 7, delivering a range of schemes to maintain and improve Southern Water’s water supply and wastewater treatment works in the eastern half of its region (Kent & East Sussex).



What will I be doing?

Key responsibilities:


  • Develop process design solutions which are cost-effective, meet the requirements of the specification, governance procedures and can be constructed and commissioned effectively
  • Ensure process solutions can be effectively integrated with existing assets, attending site as required to establish condition, suitability and performance of such assets.
  • Access Client data systems to obtain and analyse process data to support the above
  • Ensure standard designs and design practices are utilised wherever possible
  • Development of Commissioning and Compliance Plans
  • Working as part of an integrated multi-disciplinary design and delivery team, attend and contribute to all relevant project, technical and programme meetings
  • Raise and monitor technical queries through to resolution
  • Establish collaborative working relationships with construction staff and supply chain representatives to promote buildability and supply chain efficiency in design outputs
  • Record, monitor and control process design changes in order to maximise cost efficiency
  • Actively support, develop, train and provide guidance to process staff within the region
  • Maintain a positive and solution-oriented approach to work, providing open and honest feedback
  • To recognise and provide exceptional customer service both internally and with partners and externally with the client.
  • Ensure your own continuous professional development by participating in external networking/conferences/associations/groups, to stay current on industry changes and innovations
  • Connect and develop relationships with process teams in Head Office and other regions to share learning / best practice
  • In all internal and external contact, present a professional and positive image of CMDP as well as maintaining mutually constructive, positive and beneficial relationships.
  • Undertake such other duties, training and/or hours of work as may be reasonably required, and which are consistent with the general level of responsibility of this role
  • Take all reasonable steps to ensure appropriate confidentiality

About you


  • Experience of clean water process design in a design-build environment
  • Flexible approach – ability to span projects from solution development through to ‘hands on’ process commissioning support on site
  • Collaborative working within multi-disciplinary design and delivery teams
  • Degree in an engineering-related discipline
  • Must be delivery-driven with the ability to manage workload to deliver to time, cost and quality objectives
  • Technical and management skills
  • Able to identify and manage process elements of project/programme risk
  • Able to identify and manage process change to project scope



  • Chartered Engineer

Final Statement

We listened to our employees, so our Core Benefits are funded by us and include a Group Pension Scheme, Employee Assistance Programme, Life Assurance, Income Protection and funded membership to a Professional Institute. In addition to this we also offer a Private Healthcare Scheme, Private Dental Scheme, Cycle to Work, Volunteering Days and Save as You Earn Scheme.  


At Costain we aim to be an accessible, diverse and inclusive organisation to continue to meet our customers’ needs. We will be industry leading in our approach and people from all backgrounds will be proud to work for Costain. Our goal is to have a workforce that is representative of society.


We actively encourage applications from candidates who have a relationship with the armed forces community whether as a currently serving member or reservist, ex-military or wounded personnel or as a member of a service family.


Please note this is an advert for our job vacancy, and therefore may not be inclusive of all assigned duties, responsibilities, or aspects of the role described, and may be amended at any time at the sole discretion of Costain. For a full role profile, please contact us: careers@costain.com


The closing date for this vacancy may be subject to change any time at the sole discretion of the Business.

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