Process Senior Design Engineer; Drinking Water Biased

Process Senior Design Engineer (Drinking Water Biased)

Job Title: Process Senior Design Engineer (Drinking Water Biased)

Location: Can be based from Warrington, Nottingham, Plymouth, Grangemouth, Cornwall, Bristol, Rickmansworth, Normanton or Stafford.

About Us: Galliford Try is one of the UK’s most formidable construction businesses with an enviable track record of delivering schemes that strive to provide positive, lasting change for the communities we work in. As a FTSE 250 organisation, we turnover £1.9 billion and employ over 3,500 people across three successful divisions – Building, Infrastructure and Specialist Services. As one of the UK’s top principal contractors you’ll have the opportunity to work on some of the UK’s most exciting projects, offering you stability as well as the chance to stretch your capabilities and realise long‑held career goals.

You will be joining diverse teams working at a high professional level with exceptional commitment.

Our Environment Business: Following various acquisitions, we are now the largest Tier 1 Contractor operating in the UK Water / Environment sector with a long‑term portfolio trading £500 million a year. We have brought all aspects of Engineering Design under one Business Unit to provide in‑house design support to our regional business units across the UK.

Purpose of the Role: As a predominantly Drinking Water–biased Senior Design Engineer you will be an important member of the Engineering Design Team and will be required to work with Principals, Design Teams, Managers and Leads to deliver design of the highest quality to GT process standards and in compliance with BMS and H&S regulations. This technical role is engaged directly on projects, requiring competency in design delivery for the water and wastewater industry.

You may lead the design of a discipline, manage design engineers, and provide technical coaching and mentorship to early‑career staff.

Key Accountabilities:

• Provide technical compliance and quality on design outputs; act as default checker for design outputs ensuring technical assurance.
• Operate as discipline lead for a project.
• Seek optimal solutions that balance capital and operational cost benefits.
• Design for buildability, safe construction, and operation, working alongside project delivery peers.
• Ensure procedural governance is adhered to.
• Ensure scheme designs adhere to client specifications and standards.
• Ensure full compliance with Health, Safety and Environmental legislation.
• Promote innovation, value engineering and digital design.
• Resolve technical problems throughout the project life cycle and manage risk and opportunity.
• Assist with pre‑contract design activities.
• Provide lessons learned to the Design Team and Discipline Design Manager.
• Line‑manage multidisciplinary design engineers.
• Mentor and develop the expanding design team.
• Support staff eligibility for professional accreditation (e.g., ICE, IET, IMechE, IChemE).

Person Specifics:

• Competent in Process Calculations, Mass Balances, Heat Balances and Hydraulic Calculations.
• Competent in preparing Process Block Diagrams, PFDs and P&IDs.
• Competent in developing Process Control Philosophies and Process Commissioning Plans.
• Optional HAZOP leadership experience.
• Optional DSEAR experience.
• Degree-level education in Engineering or equivalent.
• Preference for Chartered Member of a recognised professional Engineering body.
• Experience in a contracting/consulting environment with commercial awareness.
• Strong experience in checking and approving discipline design packages.
• Knowledge of current H&S legislation and British Standards applied across designs.
• Excellent communication and stakeholder management skills.
• Proficient IT skills (Excel, Outlook, PowerPoint, cost/performance systems).
• Leadership, direction and encouragement for the design team.
• Result‑driven focus.
• Attention to detail.
• Alignment with Galliford Try values – Excellence, Passion, Integrity, Collaboration.
• Flexible attitude and willing to embrace innovations.
• Organise and prioritise workload to meet timescales.
• Commitment to personal development and support learning of others.
• Negotiation and persuasion skills.
• Collaborative relationship building…