Imagine yourself in a role where your professional growth and creativity are championed every step of the way. Opus is the UK’s largest independent Managed Service Providers, recently ranked as “World class” by the Best Companies to work for awards.

The Billing Specialist plays a key role in ensuring accurate, timely, and customer‑focused billing across a diverse product portfolio. The role involves maintaining high standards of data integrity, supporting continuous improvements, and collaborating effectively with internal teams and external stakeholders.

Additionally, you will be responsible for:

• Delivering accurate and timely monthly billing cycles, supporting the Billing Team including the upload of supplier files, processing of call and service data, and reconciliation of billed data against customer orders
• Maintaining and updating billing platforms and records, including updating pricing, and ensuring customer and product data is accurate. Experience with aBILLity or similar billing systems is an advantage.
• Investigating and resolving billing queries efficiently, ensuring clear and professional communication with customers and internal departments
• Validating and reconciling supplier invoices, identifying discrepancies, raising supplier claims, and ensuring alignment with data received
• Manually billing non-automated services, applying relevant charges and ensuring alignment with contractual commitments
• Supporting process improvements and driving efficiencies, contributing ideas to streamline workflows, reduce future billing queries, and enhance invoice presentation and reporting
• Producing accurate reports and analysis,supporting management and departmental decision‑making
• Collaborating effectively across departments, participating in team meetings, supporting lessons‑learned reviews, and contributing to departmental performance discussions
• Utilising internal CRM and operational systems, with experience in Microsoft Dynamics considered an advantage

Hybrid working for a good work/life balance – 2-3 days in the Reigate Office

Salary £36-£40k DOE

You will have the following experience/skills:

• Minimum 18-24mths experience in a similar role within the Telecoms Industry
• Strong attention to detail and excellent reconciliation skills
• Ability to work in a complex environment with multiple product sets and varied supplier billing processes
• Quick learner with the ability to adapt to new systems, processes, and priorities
• Effective communicator, capable of engaging confidently with internal teams and external stakeholders
• Proactive and solution‑focused, with the ability to identify improvements and support operational efficiencies
• Team player, contributing positively to a collaborative working environment
• Good organisational and time‑management skills, with the ability to handle ad hoc tasks and manage workload effectively
• Understanding of data protection requirements and best practice in handling customer information

• A comprehensive Private Healthcare and Cash Plan
• Pension and life insurance
• Entry to the £3,000 quarterly Dreamball draw
• Personalised training and development pathways
• Regular fully funded companywide events
• Monthly ‘outstanding performer’ accolades
• Enriching paid volunteering days
• A rewarding Refer a friend scheme (£1,000)
• The flexibility to adjust your holiday allowance (25 days pa)
• Complimentary daily breakfasts in the office

Work together to win together

Be brave and think differently

Own it and never give up

Strive to be the best

Stay curious and keep learning

Established in 1992, we are different to the rest, priding ourselves on being a customer-driven and service-led technology provider. Our focus is delivering tailored technology with purpose and building long-term partnerships with our clients. 

In 2023, we launched the next phase of our ambitious growth strategy with the goal of doubling our turnover by 2026. We're on track to meet this target, and we're seeking top talent like you to join us on this exciting journey. xrlawcv

By joining Opus, you embark on an exhilarating journey filled with impactful projects and continuous professional development, empowering you to expand your expertise and leave a significant mark on businesses nationally.

If you're ready to be part of a dynamic team and help us reach new heights, we'd love to hear from you.