Job Description

Assistant Operator (3x positions)

HyMarnham Power is a pioneering joint venture between GeoPura and JG Pears, transforming the former High Marnham coal-fired power station into a cutting-edge clean energy hub. The plant will produce, store, and transport 1,800 tonnes per year of low carbon hydrogen using 15 MWe of electrolysers.

The High Marnham site, acquired by the JG Pears Group, has been identified by Bassetlaw District Council as a key site for renewable energy and low-carbon technology. The site will be the home for the HyMarnham Power hydrogen production installation which is helping to drive the UK's hydrogen economy and accelerate progress towards national net zero ambitions to combat climate change.

As an Assistant Operator, you will support the safe and efficient operation of our Low Carbon Green Hydrogen production plant. Working under the guidance of the Senior Operator and Plant Manager, you will assist with monitoring plant equipment, performing routine checks, and ensuring day-to-day operations align with safety, environmental, and quality standards.

This role is ideal for someone looking to grow their technical skills in a forward-thinking, sustainable energy environment. You'll gain valuable hands-on experience while contributing to the development of clean hydrogen technology.

Shift Pattern:

This is a 365, 24/7 operating facility and the shift pattern is 4 on 4 off 12-hour days and nights with 18 shifts off built in every 8 weeks.

Rewards

Competitive salary Enhanced company pension scheme Private Healthcare, including dental cover Life Assurance Paid training and development opportunities Career progression in a growing clean energy company Company sick pay scheme Electric Vehicle salary sacrifice scheme (with on-site charging) Cycle to Work Scheme Employee Assistance Programme (24/7 support) Discounts on retail, restaurants, gyms, and more Financial education and external guidance
Responsibilities

Reporting to the Senior Operator, your duties will include:

Assist in the safe and reliable operation of the hydrogen production plant. Monitor and operate hydrogen systems and equipment via the control system. Perform routine plant checks and log equipment condition, escalating issues when necessary. Follow safe operating procedures (SOPs) at all times and support with the development and review of SOPs and Work Instructions. Assist in connecting and disconnecting hydrogen storage vessels and safely loading/unloading hydrogen cylinder packs from delivery vehicles. Transfer and handle gas cylinders safely on-site in accordance with SOPs and manual handling procedures. Support the maintenance team with inspections, corrective tasks, and OEM-specified procedures as trained. Perform basic inspections and leak tests on hydrogen storage assets under supervision. Participate in water quality monitoring and treatment tasks as required. Maintain a clean, safe, and well-organised plant environment at all times. Monitor and report plant consumable stock levels. Maintain accurate operational records and assist in generating performance reports, tracking KPIs, and contributing to improvement initiatives. Analyse production data to identify trends, inform decisions, and improve efficiency. Ensure full compliance with Health, Safety, and Environmental standards. Conduct or support risk assessments and safety training; report unsafe conditions and stop operations if required. Collaborate with other departments to support innovation, continuous improvement, and best practice sharing. Work flexibly as part of a shift team, providing cover and support when needed.
Requirements

Experience in a process or power plant environment is preferred Strong understanding of health and safety standards Ability to work within a control room and plant environment Good verbal and written communication skills A proactive and safety-conscious approach Previous experience in a Production Operator role Ability to learn about new technologies and adapt with development A good knowledge of Health and Safety regulations in a working plant environment Self-motivated and passionate, with excellent communication skills High attention to detail Ability to hold accountability for yourself and the team Energetic, enthusiastic, and self-motivated with the ability to work with limited guidance or supervision Ability to self-prioritise and work autonomously, accurately, and speedily when required Flexible approach to working within a dynamic team Driving Licence
Desirable

Proficient with Microsoft office packages, including Word and Excel Experience of working in a chemical plant environment Experience of projects incorporating pressurised flammable gas, electrical and control systems and civil engineering/groundworks Experience of driving a counter balance FLT, up to date licence preferred Confident at reporting and analysing information
Job Types: Full-time, Permanent

Benefits:

Company pension Cycle to work scheme Employee discount Free parking Life insurance On-site parking Private dental insurance Private medical insurance Sick pay
Ability to commute/relocate:

Newark-on-Trent NG22 0UZ: reliably commute or plan to relocate before starting work (required)
Application question(s):

How many years experience working in a power plant environment do you have? Are you open to working 4 on 4 off 12-hour days and nights with 18 shifts off built in every 8 weeks? Are your salary expectations between 30-35K?
Work authorisation:

United Kingdom (required)
Work Location: In person