Process Engineer in London

Making the world Move. Exolum are an innovative fuel storage company with the priority of a green energy future operating globally. People are at the heart of our expansion plans with a focus on developing our colleagues to reach their potential while accepting everyone as they are!

About the role

Working as part of the UK Engineering function, the Process Engineer is responsible for delivering process engineering support across Exolum’s terminal and pipeline network. The role focuses on ensuring safe, efficient and compliant operation while supporting design, optimisation and improvement of systems and equipment.

You will contribute to both project delivery and operational excellence, ensuring risks are identified, assessed and mitigated, while driving continuous improvement in process safety and performance.

• Undertake process design and detailed engineering activities, including process simulations, calculations, optimisation and equipment sizing and selection.
• Carry out specialist calculations such as relief valve sizing, NPSHa and process safety time calculations, alongside pipeline hydraulic analysis.
• Develop and review engineering designs, including PFDs and P&IDs, ensuring consistency, accuracy and compliance with standards.
• Lead and support design and operational requirements across storage systems (oil, chemical and gas), pipelines, boilers, biomass and water treatment systems.
• Conduct site surveys, hazardous area classification studies and process safety reviews to ensure safe and compliant operations.
• Identify opportunities for process optimisation, efficiency improvements and decommissioning through plant audits and analysis.
• Develop engineering solutions to improve reliability, capacity, quality and compliance of process systems.
• Manage process safety information, including asset registers and operating parameters such as pressure, temperature and flow set points.
• Ensure compliance with engineering standards, managing deviations and supporting Management of Change (MOC) processes.
• Support project delivery by preparing commissioning plans, procedures and operational instructions, and providing commissioning support.
• Participate in process hazard studies including HAZID, HAZOP, LOPA and FMEA assessments.
• Specify and select plant and equipment, supporting vendor engagement, technical evaluations, FATs and SATs.
• Drive energy efficiency and utilities optimisation across site operations.
• Ensure compliance with key regulations including DSEAR (ATEX), PER (PED), COMAH and CDM, alongside relevant industry standards such as API, EEMUA and ASME.
• Maintain accurate documentation and ensure all activities align with company procedures, safety standards and legal requirements.

About You

The ideal candidate will hold a degree in Chemical Engineering and have experience within oil, gas or chemical processing environments. You will have a solid background in process engineering, including design, plant modification, commissioning and troubleshooting activities.

You will bring at least three years’ relevant industry experience and be comfortable working on brownfield modifications, Management of Change processes and operational improvement initiatives. Strong technical knowledge in areas such as hydraulic modelling, relief valve sizing, hazardous area classification and process safety studies (HAZOP/LOPA) is essential.

You will demonstrate a strong understanding of industry legislation and standards, including DSEAR (ATEX), PER (PED), COMAH and applicable engineering codes. You will be a proactive problem-solver with the ability to develop innovative solutions, communicate effectively and work collaboratively across teams.

Desirable experience includes working within storage and transportation environments or COMAH-regulated sites, as well as progress towards Chartered Engineer status (IChemE).

At Exolum we run a Competency Model which has been defined accordingly to our strategy, values and the geographies where we operate, making it a unique and exclusive document for Exolum. The competency Model is understood as the set of identifiable and measurable behaviours (skills, aptitudes and motivations, among others) that enable a person to achieve superior performance.

• We Care - We anticipate, identify and solve the needs of our internal and external clients. - Level 3
• We Do - We face opportunities and challenges with proactivity, energy and enthusiasm and we take responsibility for our actions - Level 3
• We Connect - We listen, share information and communicate clearly, transparently and openly - Level 4
• We Include - We welcome, respect and value the uniqueness of people. - Level 3
• We Get Together - We actively collaborate with other people in achieving shared goals - Level 4
• We Trust - We act with integrity and coherence with our values and we comply with the commitments acquired- Level 3
• We Think Different - We contribute, explore and experiment with new approaches to challenges without fear of being wrong - Level 3

Salary £55,000 - £65,000 per annum depending on experience. Business Need Car. Pension – up to Employee 6% and Employer 9%. Holiday – 30 days per annum. Personalised career development plans. Single Private Health Insurance via BUPA. Healthcare Cash Plan. Life Assurance x5 and Disability insurance. Wellbeing Initiatives. Employee Resource Groups – EDI Group, Employee Forum, Wellbeing Committee. Study support (if applicable).

The first step is to apply – please visit https://jobs.exolum.com/ to complete your application. Once your application has been reviewed, if you are successful, you will be invited to meet our amazing team and your potential new line manager for a face-to-face interview. Depending on the role, you may be required to attend a second stage interview so we can get to know you even more!

Different people approach problems differently and we believe that diversity is the engine that fuels innovation. As an equal opportunity employer, we are committed to creating an inclusive environment where diverse voices are not only heard but also amplified. We recognise that our differences—when embraced with respect—drive smarter decisions, stronger performance, and a culture where everyone can be their authentic selves.

Qualified applicants will receive consideration for employment without regard to race, sexual orientation, gender perception or identity, national origin, age, neurodiversity or any other legally protected status. We welcome individuals with disabilities and strive to create an accessible and inclusive experience for all candidates. To request an accommodation during the application or the recruiting process, please email: HumanResources@exolum.com.

We are committed to a diverse and inclusive workplace. All applications are reviewed fairly and equally using a third-party blind recruiting solution (MeVitae) which removes any bias parameters.

The information provided by you will be used by Exolum to process your application and, if successful, in connection with your future employment with us. Any information held by us relating to you will be destroyed six months after the post has been filled. If we wish to retain your information for future vacancies, we will seek your express consent to do so. All processing of data will be in compliance with data protection laws. For further information on how we handle your data read our UK privacy notice for job applicants, employees, workers and agency workers which is available on our website: Disclosures and legal notices by country – Exolum.