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.

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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.

• 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

• 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.