ESS – Defence, Energy and Government Services
Bar Assistant

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Bar Assistant
Driven Barista (15h/Week, Part-Time) – Defence & Government Sector Catering
We are recruiting a passionate Barista to craft premium beverages while delivering exceptional customer service in a high-profile Defence, Government, and Energy sector setting.
About the Role
As a Barista within the Compass Group UK & Ireland (ESS) division, you’ll:
- Create beautifully crafted coffee drinks for military, government, and client sites
- Provide first-class service and uphold Defence’s brand image
- Work under variable shifts as a part-time contractor (15 hours/week)
- Receive opportunities for professional development and career progression
ESS delivers catering to over 250 UK military establishments, high-security government sites, police facilities, and energy sector locations. Collaborating in dynamic team environments ensures every interaction leaves a positive impression.
Key Responsibilities
On a daily basis, you’ll:
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- Prepare & serve customisable drinks & high-quality food tailored to customer requests
- Maintain a polished bar area, ensuring cleanliness and organisation
- Process payments securely (cash and card transactions)
- Communicate enthusiastically to engage guests and resolve their needs
- Maintain stock levels of disposables (e.g., mugs, plates)
- Learn about coffee blends, brewing techniques, food preparation, and presentation
- Monitor and report brewing equipment functionality to ensure operating standards
- Uphold Defence standards by representing the organisation professionally
- Comply with strict Food Handling & Hygiene regulations
- Adhere to Health & Safety protocols
Ideal Candidate Requirements
We’re looking for someone who:
- Shares our customer-focused mentality – Brilliant communicator and relationship builder
- Holds prior experience in customer service – Hospitality, retail, or a related field
- Positively approaches challenge – Eager, motivated, and perfection-seeking in all tasks
- Operates independently – Makes decisions in line with customer needs
- Has hands-on experience with barista equipment – Coffee machines, grinders, and brewing tools
- Thrives under pressure – Reliable, adaptable, and resilient
- Demonstrates strong timekeeping – Dependable attendance is essential


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About Us
Part of Compass Group UK & Ireland, ESS is dedicated to supporting the Defence, Government, and Energy sectors through exceptional service. We celebrate individuality and empower our team, fostering fairness and inclusivity. Our mission: Create welcoming, hospitable environments for employees within high-demand industries.
Job Reference: com/0207/78325001/52458332/BU #Defence
🚀 Ahead-to-skilled coffee lovers who want to shape top-tier Defence hospitality!
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