Cranleigh STEM, Sustainability & SHEQ Recruitment

Senior Process Engineer

Cranleigh STEM, Sustainability & SHEQ Recruitment  •  Guildford, GB (Onsite)  •  11 days ago
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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
Cranleigh STEM, Sustainability & SHEQ Recruitment

About Cranleigh STEM, Sustainability & SHEQ Recruitment

Cranleigh STEM is a specialist recruitment partner in STEM, Sustainability, and SHEQ. We work with innovative organisations and purpose-led professionals to help solve some of the world’s most pressing challenges, from advancing clean technologies to driving scientific discovery.

We understand that progress in these fields depends on people. Our role is to connect the right individuals with the right teams, whether that’s scientists in the lab, engineers on the ground, or leaders at the helm.

🚀 Our Mission

To support innovative organisations by delivering the talent they need to grow, evolve, and make a meaningful impact in their field.

🔎 Our Core Values

Challenge

We’re comfortable working in complex, technical spaces. We approach every brief with curiosity and care, asking the right questions to deliver people who can genuinely move your organisation forward.

Collaboration

We see recruitment as a partnership. That means open communication, transparency, and shared goals, whether you’re building a team or looking for your next role.

Commitment

We take pride in the work we do. We’re committed to high standards, long-term relationships, and doing what’s right for our clients, our candidates, and the industries we serve.

💡 Our Purpose

To contribute to a more sustainable and innovative future by helping organisations in science and technology attract and retain the talent they need to grow responsibly and with purpose.

🌍 Our Reach

Headquartered in South London, we work with clients and candidates across the UK, Europe, and the USA.

🔬 Areas of Expertise

Biotechnology

Pharmaceuticals

Chemicals & Materials

Food Technology

Clean Technology

Electric Vehicles & Sustainable Engineering

If you're hiring or exploring your next move in STEM, we’re here to help.

Industry
HR & Recruiting
Company Size
1-10 employees
Headquarters
Guildford, GB
Year Founded
2001
Website
cranleighstem.co.uk
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