Reliability Engineer

Diageo; Raunds; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Share schemes

Pension - Diageo pays up to 14%

Product Allowance 10%

Annual Bonus 25 Days Annual Leave plus

Job summary

Diageo is seeking a Reliability Engineer (Mechanical bias) for its Belfast site. You will lead maintenance planning and reliability improvements to meet production goals, diagnosing faults and applying data-driven decisions to reduce downtime.

You will guide teams, develop proactive maintenance strategies using SAP and 5 Whys techniques, and mentor colleagues to uphold safety and quality standards across shifts.

Qualifications

• Electrical or mechanical apprenticeship with an HNC or equivalent.
• Experience diagnosing and repairing complex machinery faults.
• Familiar with maintenance systems like SAP and problem-solving methods.

Responsibilities

• Lead asset care planning and drive improvements in maintenance plans.
• Root cause major breakdowns and implement solutions to improve reliability.
• Coach peers and promote proactive, data-driven maintenance practices.

Skills

Electrical apprenticeship

HNC or equivalent

Fault finding

SAP familiarity

Data-driven decision making

5 Whys method

Microsoft Office

Leadership

Education

Electrical/Mechanical apprenticeship with HNC or equivalent

Tools

SAP

Job description

Job Description : Reliability Engineer – Mechanical Bias Marshalls Road, Belfast Permanent Closing date: 28/09/2026

Worker Type :Regular Primary Location:Marshalls Road Additional Locations :

About us

With over 200 brands sold in nearly 180 countries, Diageo is home to some of the world’s most iconic drinks. From Johnnie Walker and Guinness to Tanqueray, Smirnoff and Don Julio, we craft brands chosen for life’s moments — from everyday connections to landmark celebrations. Bring your talent, curiosity and ambition, and strive for your personal best alongside people who challenge, support and learn from each other. Together, as one outstanding team, we keep learning, improving and raising the bar for our brands, our business and each other. Join us and play your part in making life’s moments mean a little more.

Join our Supply Chain and Manufacturing Team

Our Supply Chain and Manufacturing team are problem-solvers, sourcing, producing, and delivering our much-loved brands to delight customers around the globe. Over half of Diageo’s 30,000+ people work in Supply Chain and Manufacturing. It’s an intricate and sophisticated operation that’s the product of logistical, manufacturing, and technical collaborations.

About the role

As a Reliability Engineer, you will play a pivotal role in a dynamic team ensuring our equipment is efficient, reliable, and well‑maintained to meet production goals. You will lead efforts to:

• Enhance Asset Care KPIs by delivering effective maintenance, problem‑solving, and asset improvement.
• Ensuring maintenance plans are aligned with failure mode assessments.
• Transition the department to a proactive and condition‑based engineering approach, reducing reliance on reactive maintenance.
• Root cause major breakdowns and implement solutions that improve asset reliability.
• Utilise data analysis to scope and implement improvement projects that align with compliance, cost, and performance objectives.
• Ensure critical spares and stock levels are optimised for operational efficiency.
• Provide technical expertise during significant breakdowns, machine set‑ups, and capital project commissioning.
• Drive continuous improvement initiatives, collaborating across teams to deliver impactful results.
• You will be a key contributor to developing a culture of excellence, coaching peers, and ensuring all Planned Preventative Maintenance (PPM) tasks are completed effectively.

About You

• Recognised Electrical or Mechanical apprenticeship with an HNC or equivalent.
• Skilled in diagnosing and repairing complex machinery faults.
• Experience with problem‑solving techniques such as 5 Whys, RCPS, and familiarity with maintenance systems like SAP.
• Proficient in Microsoft Office and comfortable with data‑driven decision‑making.
• Knowledge of Reliability/Maintenance methodologies.
• Fault finding expertise.
• Leadership qualities with the ability to inspire and mentor others.
• Excellent communicator and a collaborative team player.
• Conscientious, detail‑oriented, and solution‑focused.
• Positive, adaptable, and committed to safety and quality standards.

Working with Us

• Share schemes.
• Pension - Diageo pays up to 14%
• Product Allowance 10%
• Annual Bonus 25 Days Annual Leave plus public holidays
• And much more!

Our purpose is crafting iconic drinks chosen for life’s moments. And it’s our people, with their different experiences, perspectives and talents, who make that possible.

We value diversity in its broadest sense and want everyone to feel they can belong, contribute and strive for their personal best. You’ll work alongside people with different backgrounds, experiences and perspectives — challenging, supporting and learning from one another as one outstanding team. Together, we’re constantly learning and improving, combining the strength of our people, capabilities and iconic brands to raise the bar, grow and win. Wherever you join us, you’ll have the opportunity to contribute, make an impact and play your part in making life’s moments mean a little more.

With over 200 brands sold in more than 180 countries, we’re the world’s leading premium drinks company. Every day, over 29,000 talented people come together at Diageo to create the magic behind our much‑loved brands. From iconic names to innovative newcomers – the brands we’re building are rooted in culture and local communities. Our ambition is to be one of the best performing, most trusted and most respected consumer products companies in the world. Our founders, such as Arthur Guinness, John Walker, and Charles Tanqueray, were visionary entrepreneurs whose brilliant minds helped shape the alcohol industry. And through our people, their legacy lives on. Join us, and you’ll collaborate with talented people from all corners of the world. Together, you’ll innovate and push boundaries, shaping a more inclusive and sustainable future that we can all be proud of. With diversity at our core, we celebrate our people's unique passions, commitments and specialist skills. Because when varied voices, mindsets, and personalities come together, great ideas are born. In our supportive culture, your voice will be heard and you’ll be empowered to be you. Just bring your ambition, curiosity and ideas, and we’ll celebrate your work and help you reach your fullest potential.