Opex Manager

Why Greencore?

Following the combination with Bakkavor in January 2026, we’re one of the UK’s leading creators of convenience food, driven by a simple purpose: to make every day taste better.

As a vibrant and fast-moving business, we’re proud to employ over 28,000 talented colleagues across 36 manufacturing sites and 21 distribution depots in the UK and the US. Together, we bring delicious food to life. Our products cover every meal occasion from breakfast through to dinner and dessert, with lunch and snacking in between. In FY25, our shared passion helped us achieve combined revenues of approximately £4bn.

Our extensive direct to store (DTS) network, with 17 depots across the UK, allows us to deliver fresh and frozen food both our own and from trusted partners to thousands of stores every day, ensuring consumers enjoy the very best, whenever and wherever they shop.

Here at Selby we employ a team over 750 colleagues. A site steeped in history, we are the UK’s number one manufacturer of customer private label cooking sauces and pickles. We have been serving our customers out of our Selby site since 1914. We produce more than 160 million units per year across 600 different product lines for customers such as Morrisons, Tesco & Asda.

What you’ll be doing

• Define stretching site financial BI targets, aligned with the return on investment targets defined in current and next year budget and longer-term strategic plans
• Work with colleagues to develop a pipeline of achievable BI initiatives capable of delivering the agreed BI targets
• Manage delivery of BI initiatives within agreed timescales and financial targets, leveraging the skills and resource of the local BI or Operations team and negotiating additional skills, resource and capital from additional stakeholders where necessary
• Manage site deployment of the Business Improvement Programme to full maturity, using Process Confirmations to measure and drive adoption and being an advocate for the site

What we’re looking for:

• Experience in a manufacturing environment, recognised as a world class or lean organisation
• Expert knowledge of improvement tools and have the ability to develop programmes to upskill site capability across functions
• Experience of delivering results using Business Improvement techniques
• Demonstrates effective leadership skills, leading teams through business process changes and site improvement plans
• Skilled in analytical software plus competent user of Microsoft Office suite
• Ability to deliver training, coach others and facilitate group problem solving sessions
• Program and project management skills

We’re proud to be recognised in the Gender Equity Measure Top 100 for our commitment to gender equality.

If this sounds like you, join us and grow with Greencore, and be a part of driving our future success.

What you’ll get in return

• Competitive salary and job-related benefits
• Holidays
• Competitive matched pension contributions
• Life insurance up to 4x salary
• Company share save scheme
• Greencore Qualifications
• Exclusive Greencore employee discount platform
• Access to a full Wellbeing Centre platform
• Enhanced parental leave and menopause policies

Throughout your time at Greencore, you will be supported with on the job training and development opportunities to further your career.