Chemical & Process Engineer

About the role

Join Aurecon as a Chemical & Process Engineer and help deliver innovative solutions for the dairy, food, beverage and manufacturing sectors. You will work on sustaining capital projects in New Zealand and contribute to the company’s decarbonisation portfolio, collaborating with multidisciplinary teams and clients.

Key responsibilities

• Develop hygienic process designs, including Process Flow Diagrams (PFDs) and P&ID updates for dairy and food processing plants.
• Create and maintain equipment, instrument and valve datasheets, line lists, valve schedules and utility connection schedules.
• Perform steady‑state and dynamic mass and energy balance calculations, pressure drop, utility demand, and heating/cooling duty analyses.
• Support CIP system design, product segregation, and utility integration for hygienic plants.
• Design and coordinate process water, hot water, chilled water, condensate, and chemical storage systems.
• Produce and review drawings, calculations, datasheets, reports and ensure proper document control and transmittals.
• Update models and documents during detailed design and construction phases.

Required profile

• Strong background in dairy, food, beverage or clean‑industry manufacturing.
• Passion for re‑imagining engineering and a commitment to continuous learning.
• Ability to work collaboratively with clients and multidisciplinary teams.

Required skills

• Process Flow Diagram (PFD) creation
• P&ID development and revision
• CIP system design and support
• Equipment, instrument and valve datasheet preparation
• Steady‑state mass and energy balance calculations
• Dynamic mass and energy balance modeling
• Pressure drop and utility demand calculations
• Heating and cooling duty analysis for dairy liquids
• Utility system design (process water, hot water, chilled water, condensate)
• Chemical storage and delivery system design
• Process QA and coordination
• Document control and model updating