Role: Quality Assurance Technician - Guinness Beer

Location: Belfast, Northern Ireland

Contract: Permanent

Closing Date: 4th February 2026

The role operates on a continental shift pattern, working 2x 12-hour day shifts, followed by 2x 12-hour night shifts, then four days off.

About Us

Diageo is the world’s leading premium drinks company, home to an outstanding collection of iconic brands including Guinness, Johnnie Walker, Smirnoff, Baileys, Captain Morgan and Tanqueray.

We source, produce and deliver over 6.5 billion litres of premium products each year across more than 200 brands in 180 countries. Our success is built on the diversity, expertise and passion of our people. At Diageo, you’ll be encouraged to collaborate, innovate and grow while helping to build brands consumers love.

About the Role

The Quality Assurance Department is an integral part of the production operation at Diageo providing analytical support and technical expertise across Quality, Food Safety and Quality Management Systems.

A key objective is to ensure full compliance of packaged products with statutory requirements and technical and market specifications, while driving the company’s Continuous Improvement agenda and Strategic Quality Plan.

As a Quality Assurance Technician, you will be a key member of the shift-based operational team, working closely with Team Managers, production coordinators, operators, engineers and compliance teams to uphold the highest quality standards across packaging operations.

Key Responsibilities

• Work alongside the operational shift team, following a continental shift pattern, including holiday cover

• Complete analytical and microbiological sampling and checks in line with the Quality Sampling Plan across production lines and other designated locations

• Analyse QA and production data and documentation to identify potential quality issues, follow up on deviations, and provide high-quality feedback to shift teams, management and improvement teams

• Monitor, validate, set up and troubleshoot quality instrumentation to ensure accuracy and reliability

• Act as the key point of contact for quality-related matters during shift operations

• Ensure full compliance with safety, health, environmental, quality and housekeeping policies and procedures

About You

You are a proactive and detail-focused professional with a strong commitment to quality, food safety and compliance within a fast-paced manufacturing or packaging environment. You take pride in maintaining high standards and have the confidence to challenge, influence and support operational teams to ensure quality requirements are consistently met.

You are comfortable working as part of a shift-based operation and thrive in a hands-on, manufacturing-based role that requires strong organisation, attention to detail and effective communication. You are analytical in your approach, able to interpret data, identify trends and investigate issues, while providing clear, constructive feedback to both operational and management teams.

You value safety as a top priority and understand the importance of following procedures, standards and quality systems. You are adaptable, resilient and able to manage changing priorities while maintaining accuracy and professionalism.

Working with us 

As one of the world's leading alcoholic beverage companies, we pride ourselves on providing our employees with a highly competitive and flexible rewards and benefits package including: 

• Base salary + substantial shift allowance 

• End of year annual bonus (dependent on performance) 

• 6 months, fully paid, family leave for ALL parents - regardless of gender 

• Contributary pension scheme 

• Product allowance 

• Free onsite parking with electrical charging, ensuring that your commute is hassle-free  

• Opt-in private medical care for you and your family 

• Share programmes and other voluntary benefits 

Our purpose is to celebrate life, every day, everywhere. And creating an inclusive culture, where everyone feels valued and listened to, is a crucial part of this. We believe the most inclusive and diverse culture makes for a better business and a better world. We know that for our business to thrive and for Diageo to realise its ambition, we depend on having diverse talent with a range of backgrounds, skills, and capabilities in each of the countries in which we operate and to reflect our broad consumer base. 

Join us, and you will be part of an organisation that embraces diversity in the broadest possible sense. This means that you will be welcomed and celebrated for who you are just by being you. You will be part of — and help build — an inclusive culture that celebrates people of different gender, ethnicity, ability, age, sexual orientation, social class, educational backgrounds, experiences, mindsets, and more. And you will help us champion inclusion and diversity across our entire business: with our employees, our suppliers, across our brands, and within the communities in which we operate. 

We value each other and celebrate different perspectives. In our inclusive culture, you will have the backing you need to test innovative ideas and learn from them. Harness your passion and desire to grow as you make your mark. Let us unlock a brighter, more exciting future together. 

Our ambition is to create the best performing, most trusted and respected consumer products companies in the world. To achieve this, we need the world’s best people. We are looking for people with curiosity, creativity, boldness, and a sense of purpose to take Diageo and our timeless, pioneering brands to the next level. 

Feel inspired? Then this may be the opportunity for you.