Job Description

Join a leading clean energy company developing innovative hydrogen-based technologies to support the global shift toward net-zero emissions. As part of a growing team focused on unique energy storage systems, this role offers the chance to work on impactful technology that’s moving into commercial deployment.

This is a hands-on, cross-functional position where you will embed robust process safety practices into all stages of system design and delivery. It’s an excellent opportunity for an experienced engineer ready to influence technical direction and step into a leadership role.

Senior Process Safety Engineer responsibilities

Lead and contribute to process safety assessments including HAZID, HAZOP, LOPA, and DSEAR
Support the preparation of safety cases, QRA/semi-QRA, and ALARP demonstrations
Carry out consequence modelling using PHAST or similar tools
Ensure designs comply with relevant safety legislation including PED, ATEX, COMAH, PSSR, and PUWER
Produce and review core process documentation such as PFDs, P&IDs, control narratives, and functional descriptions
Perform process calculations, heat and mass balances, and relief sizing
Collaborate with internal and external stakeholders to ensure safe and efficient system design
Contribute to SIL assessments and safety instrumented system development
Investigate process safety incidents and conduct root cause analysis
Support the development of junior team members and promote a strong safety culture

Senior Process Safety Engineer requirements

Degree-qualified in Chemical or Process Engineering (or equivalent)
At least 5 years’ relevant industry experience, ideally on high hazard chemical sites
Chartered or working towards chartership (IChemE or equivalent)
In-depth knowledge of UK process safety regulations and risk assessment approaches
Skilled in process simulation and design tools such as Aspen Plus or HYSYS
Strong communicator with the ability to present complex technical information clearly

Additional Experience (Desirable)

Involvement in the design, validation, and operation of chemical plants
Incident reporting and root cause analysis
Development of MAPP and other regulatory documentation
Experience with hydrogen processes is desirable

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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