Retail Customer Service Assistant

Exertis (UK) Ltd.; United Kingdom; Remote; GBP 15,000 - 21,000; Full time

Benefits offered by this job

Health plan

Pension

Life assurance

Retail Academy access

Job summary

Certas Energy in Treharris is seeking a Retail Customer Service Assistant to deliver friendly, professional service and support the day-to-day running of our petrol filling station and convenience store. You will handle customer transactions, replenishing stock, maintain high store presentation and ensure health and safety and company procedures are followed.

This permanent, site-based role comes with training and genuine opportunities for career progression within Certas Energy’s nationwide

Responsibilities

• Delivering friendly, professional and helpful customer service.
• Processing customer transactions accurately and efficiently at the till.
• Replenishing stock and maintaining high store presentation standards.
• Ensuring compliance with health, safety and company procedures.
• Supporting the smooth day-to-day operation of both the forecourt and store.
• Contributing to a safe, welcoming and efficient environment for customers and colleagues.

Job description

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Job Title: Retail Customer Service Assistant

Location: Treharris, GB, CF46 5NA

Contract Type: Permanent

Location Type: Site / Retail Based

Date Posted: 15 Sept 2026

At Certas Energy we’re keen to take a lead in the industry. We have a culture of strong safety and compliance principles, driven by our dedicated Safety F1rst and Doing the Right Thing (compliance) Initiative. Health and safety is paramount to our business ethos – it is fundamental to good business performance, and integral to long-term business success.

How you’ll power our business as a Retail Customer Service Assistant

£13.45 per hour

Location: Treharris

Are you passionate about delivering exceptional customer service and looking for a flexible role with genuine career progression?

We have an exciting opportunity for a Retail Customer Service Assistant to join our team.

As the face of our store, you’ll play a key role in creating a positive customer experience while supporting the day-to-day running of our petrol filling station and convenience store.

AtCertasEnergy,we'rethe UK's largest independent distributor of fuel and lubricants, serving homes,businessesand industries through a nationwide network of depots and delivery operations. Our people play a vital role in keeping communities,businessesand critical infrastructure moving every day. With safety at the heart of everything we do,we'recommitted to our Safety F1rst culture, delivering exceptional service to customers while supporting the UK's evolving energy needs. As part of DCC Energy,you'lljoin a business that combines the strength of a market-leadingorganisationwith the support and opportunities to build a rewarding long-term career.

What you’ll be doing

• Delivering friendly,professionaland helpful customer service.
• Processing customer transactions accurately and efficiently at thetill.
• Replenishing stock andmaintaininghigh store presentation standards.
• Ensuring compliance with health,safetyand company procedures.
• Supporting the smooth day-to-day operation of both the forecourt and store.
• Contributing to a safe,welcomingand efficient environment for customers and colleagues.

What we’ll need from you

• A passion for customer service and helping people.
• A positive,reliableand hardworking attitude.
• Strong communicationand interpersonal skills.
• A willingness to learn, develop and take on new challenges.
• The ability to work effectively as part of a team.
• Retail experience is desirable but not essential as full training will be provided.
• Applicants must be aged 18 or over due to licensing regulations and lone working requirements.

Why join Certas Energy?

AtCertasEnergy, our people are key to our success. We are committed to creating a safe,inclusiveand supportive environment where everyone can thrive and develop their career.

What you’ll get from us

• Simply Health plan, including dental, physiotherapy, remote GP access and more.
• Company pension.
• Life assurance of up to 4x annual salary.
• Access to development opportunities through our Retail Academy.
• The opportunity to build a rewarding career within a growing national business.

Doing right by everyone

People matter at Certas Energy. We’re an equal opportunities employer and we welcome applications from all regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste) religion or belief, sex, sexual orientation or educational background. We’re committed to doing right by our people, so we all feel engaged, motivated and proud to work for Certas Energy.