Scientific Services Quality Control Analyst
Powered by Water, Driven by Purpose
At Bristol Water, we’ve been serving generations of families since 1846. Ensuring people in our communities have access to healthy water is paramount, which is why we work around the clock testing our water hundreds of times a day.
We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goal? Net zero by 2030, supported by partnerships with Wildlife Trusts and National Parks.
Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.
Ready to make a splash? Join our team today.
Bristol Water is seeking a motivated and detail-focused Quality Control Analyst to join our Scientific Services team. This role plays a key part in ensuring the quality, integrity, and compliance of our laboratory operations, supporting the delivery of safe, high-quality drinking water.
This role would suit a detail-focused and well-organised individual with strong communication skills and a commitment to accuracy and regulatory compliance. You’ll be confident following defined procedures, able to challenge non-conforming work professionally, and comfortable working both independently and as part of a team. You’ll take pride in delivering high-quality, compliant work, enjoy problem-solving, and be flexible in responding to changing operational demands.
All work is carried out in accordance with Water Quality Regulations, ISO/IEC 17025, Drinking Water Testing Specification (DWTS), and Bristol Water’s internal procedures.
What you'll be doing
Calibrating and maintaining analytical laboratory equipment in line with agreed schedules and standards
Preparing standard, control, spike, and proficiency testing solutions
Maintaining the Scientific Services document control system and ensuring documentation remains current and compliant
Recording, investigating, and reporting non-conforming work, including supporting corrective actions
Reviewing analytical data, Shewhart control charts, and validation results to ensure ongoing compliance
Supporting the validation and performance monitoring of analytical equipment
Conducting internal audits and following up on audit findings
Assisting with sample handling and providing general laboratory support when required
What we're looking for
Essential
Laboratory experience including equipment calibration and GLP (good Laboratory Practices) standards
Experience of quality assurance processes
Auditing and investigative skills
Strong IT skills, including spreadsheets, databases, and data handling
Strong verbal and written communication skills
Experience in statistical evaluation of analytical data
A Level (or equivalent) in a Science or Maths subject (grade C or above)
Full UK driving licence
Desirable
Degree in Environmental Science or a related scientific discipline
Knowledge of Water Supply (Quality) Regulations, ISO/IEC 17025, and DWTS
Experience using LIMS
Membership of a professional body (e.g. Royal Society of Biology or Chemistry)
Closing Date: 6th February 2026
Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.
Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.
Our core values which are essential to our success are:
Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.
Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.
Be the Future - Embrace change. Drive Progress. Own the challenge.
- Division
- South West Water
- Department
- Engineering, Technical and Scientific
- Locations
- Bristol
- Yearly salary
- £31,608.45
- Employment type
- Full-time
About South West Water
We look after the water and wastewater services for 1.8 million customers across Cornwall, Devon, the Isles of Scilly and parts of Dorset and Somerset.
From treatment and maintenance, to innovation and improvements, we're busy every day finding and fixing leaks, unblocking sewers and going bigger and further in our environmental work to be a company you can be proud of.