Senior Process Engineer

Job description

A leading developer of clean energy technologies is expanding its engineering team to accelerate the commercial delivery of innovative hydrogen-based systems. This is an opportunity to work at the heart of a fast-moving programme that is developing functional, scalable technology for real-world deployment.

As Senior Process Engineer, you will be a key contributor to a multidisciplinary team responsible for the full lifecycle of process development — from early design concepts through to commissioning and scale-up. The role offers a diverse and technically engaging workload, with strong opportunities for personal and career growth.

Senior Process Engineer responsibilities

• Develop and review process documentation including PFDs, P&IDs, heat and mass balances, and Basis of Design
• Perform detailed calculations such as line and relief sizing, hydraulic analysis, and pressure drop estimations
• Support the creation of control narratives, alarm lists, cause and effect matrices, and functional descriptions
• Lead or participate in equipment selection and liaise with suppliers on specification and procurement
• Conduct process simulations using Aspen Plus or HYSYS
• Analyse experimental and test data to inform process improvements
• Support scale-up activities from lab and pilot stages to full-scale systems
• Collaborate in cross-functional design reviews with mechanical, automation, and development teams
• Assist with costing, budgeting, and performance modelling including consumption and running costs

Senior Process Engineer requirements

• Degree-qualified in Chemical or Process Engineering (or equivalent)
• Minimum 5 years’ relevant experience
• Chartered or working towards chartership (IChemE or equivalent preferred)
• Strong technical design skills and familiarity with the end-to-end process development cycle
• Experienced in producing detailed process documentation and calculations
• Proficient in the use of simulation tools such as Aspen Plus or HYSYS
• Effective communicator, able to work closely with internal teams and external suppliers
• Safety and compliance knowledge including HAZID, HAZOP, LOPA, DSEAR, ATEX and SIL assessments

Extra information

Status

Open

Education Level

Secondary School

Location

Guildford

Type of Contract

Full-time jobs

Published at

25-01-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English