Thermal Hydrolysis Process Technician

Pertemps Thames Water; Ashton-under-Lyne; On-site; GBP 29,000 - 35,000; Full time

Job summary

A leading environmental services company is seeking a Thermal Hydrolysis Process Technician to join their Maintenance team in Chertsey. The role involves operating and maintaining equipment, ensuring compliance and safety. The ideal candidate will have NVQ Level 2 or equivalent and a driving licence. Competitive salary up to £35,000 with additional benefits including overtime opportunities and a contributory pension.

Benefits

Competitive salary up to £35,000

Standby rota payments & overtime opportunities

Performance-related pay plan

24 days holiday per year

Contributory pension

Personal Medical Assessments

Qualifications

• Knowledge and/or experience of working with boilers, energy generation plants, or process equipment such as pumps and gearboxes.
• Preparedness to be trained in safety procedures, including confined space entry and boiler operation accreditation.
• Basic literacy and numeracy skills; some computer data input experience is desirable.

Responsibilities

• Operation of sludge digesters and related equipment.
• Sampling, testing, and maintenance of the plant and equipment.
• Gathering performance data to ensure compliance and efficient operation.
• Undertaking safety checks and liaising with the site team.
• Responsibility for the effluent stream for the STW.

Skills

Confidence

Flexibility

Problem-solving skills

Willingness to learn

Education

Completion of NVQ Level 2 units or equivalent

Job description

About the role :

We have an excellent opportunity for a Thermal Hydrolysis Process Technician to join our Maintenance team at our Chertsey Sewage Treatment Works. As the successful candidate, you will be responsible for monitoring, inspecting and maintaining equipment, and reporting any defective items to ensure a swift repair or attempting a first‑time fix yourself where possible. You will work closely with other site teams to ensure the smooth running and production of a high‑quality biosolids product, which is used to generate green energy and is then recycled back to land.

There has never been a better time to join our organisation as we build towards a greener future, tackling climate change, minimising our environmental impact and reducing our carbon footprint.

What you’ll be doing as the Thermal Hydrolysis Process Technician

• The operation of sludge digesters, boilers, high‑pressure/temperature reactors, power generation plants and related equipment.
• Sampling, testing, basic maintenance and fault‑finding of the plant and equipment.
• Gathering performance data to ensure the plant operates efficiently and that statutory and regulatory compliance is met.
• Undertaking safety and security checks, housekeeping, and close communication and liaison with the wider site team.
• Responsibility for the effluent stream for the STW.

Base Location: Chertsey Sewage Treatment Works (STW).

Working Pattern: 38 hours Monday‑Friday 7:30 am – 3:36 pm plus standby & overtime opportunity for additional payment.

All PPE and tools are provided.

What you should bring to the role

• Confidence, flexibility, initiative, problem‑solving skills, ability to work with your hands and a willingness to learn.
• Knowledge and/or experience of working with boilers, energy generation plants, or process equipment such as pumps and gearboxes (beneficial).
• Preparedness to be trained in safety procedures, including confined space entry and boiler operation accreditation.
• Basic literacy and numeracy skills; some computer data input or enquiry experience is desirable.
• Completion of NVQ Level 2 units as a minimum (or equivalent).
• A full current driving licence.

Benefits

• Competitive salary up to £35,000 per annum, depending on skills and experience.
• Standby rota payments & overtime opportunities can increase earning potential after training.
• Performance‑related pay plan directly linked to company performance measures and targets.
• 24 days holiday per year, increasing to 28 days with length of service (plus bank holidays).
• Contributory pension – Defined Contribution, maximum of 12% – 2× employee contribution.
• Personal Medical Assessments – open to all once a year.
• Wider benefits scheme, including our benefits hub.

Disclaimer : Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.