Senior Process Engineer

Company: Arup
Apply for the Senior Process Engineer
Location: Southampton
Job Description:

Overview

In this role you will lead process engineering for multi-disciplinary water projects, shaping designs from concept to detailed execution. You will coordinate teams across disciplines, work within a gated design process, and develop mass/energy balances, control philosophies, and commissioning plans. You’ll contribute to feasibility studies and cost estimates while applying digital tools to solve engineering challenges. This is a growth-focused opportunity to mentor others and help deliver impactful water and waste treatment solutions.

Pay / Benefits

  • Profit Share
  • Private medical insurance
  • Life assurance
  • Income protection
  • Flexible benefits
  • Learning opportunities

Responsibilities

  • Coordinate work across disciplines and mentor team members
  • Operate within a gated design and delivery process
  • Develop mass and energy balances, process data sheets, control philosophies, and commissioning plans
  • Contribute to report writing and feasibility studies including plant operating and capital costs
  • Prepare fee proposals and plant layouts, energy and mass balances
  • Demonstrate practical implementation of designs and apply digital design tools
  • Mentor junior engineers and participate in graduate training
  • Participate in HazOp studies and support safety/compliance activities

Key requirements

  • Degree in Chemical Engineering or similar
  • Experience leading/process engineering teams to deliver on time and within budget
  • Experience with Biowin/GPS-X modelling software
  • Acting as process designer in HazOp teams
  • Development of PID’s, plant layouts, GA, and energy/mass balances
  • Feasibility studies and plant operating and capital cost estimation
  • Mentoring and coaching
  • Cross-disciplinary collaboration
  • Strong communication and stakeholder management
  • Biowin/GPS-X modelling
  • HazOp facilitation and safety analysis
  • Process design in regulated sectors (HazD, COMAH, SIL)

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Posted: October 1st, 2026