Senior Billing Specialist

We exist to create positive change for people and the planet. Join us and make a difference too!

Job Title: Senior Billing Specialist

Location: Milton Keynes Hybrid working with 2 days in the office per week

Type: Permanent

We are hiring for a Senior Billing Specialist to join us permanently on a hybrid working basis from our Milton Keynes office. With this role you will be accountable for delivering accurate timely and compliant customer invoices and credit notes across an assigned billing portfolio supporting revenue recognition cash collection and the client experience.

While the role does not have direct reports it is expected to set the standard and lead by example supporting right-first time billing through strong personal delivery proactive issue resolution and day-to-day guidance to Billing Specialists and peers working closely with the Team Leader/Billing Manager.

The role collaborates proactively with Sales Operations/Service Delivery Contracting Master Data Credit & Collections Cash Application and Query/Resolution to unblock dependencies resolve billing queries and disputes prevent repeat defects and protect the customer experience. The Senior Billing Specialist supports month-end and year-end activities (cut-offs backlog management revenue/AR substantiation support and accrual inputs) and contributes to continuous improvement and ERP/OTC transformation initiatives by embedding standardised ways of working playbooks and automation-ready processes.

Key Responsibilities

• Deliver accurate and timely invoicing and credit notes across an assigned billing portfolio ensuring compliance with contractual tax and control requirements.
• Own billing performance meeting agreed KPIs such as invoice timeliness right-first-time accuracy backlog reduction and query resolution.
• Manage complex billing scenarios (e.g. multi-entity milestone recurring and consolidated billing) ensuring correct data approvals and documentation.
• Investigate and resolve billing queries and disputes working cross-functionally to identify root causes and prevent repeat issues.
• Partner with Sales Operations and Finance teams to unblock billing dependencies improve cash flow and enhance customer experience.
• Support month-end and year-end activities including cut-offs accruals and audit documentation to ensure accurate revenue reporting.
• Maintain strong financial controls ensuring billing accuracy audit readiness and compliance with internal policies and external regulations.
• Act as a subject matter expert providing guidance to peers driving continuous improvement and supporting process standardisation and automation initiatives

To be successful in the role you will have

• Proven experience in a senior billing role ideally within a global or shared services environment handling complex billing processes.
• Strong understanding of contract-to-billing processes financial controls and relevant tax regulations (e.g. VAT/GST).
• Demonstrated ability to deliver against KPIs and performance targets with a focus on accuracy and efficiency.
• Excellent stakeholder management skills with the ability to collaborate effectively across Sales Finance and Operations teams.
• Solid analytical skills and attention to detail with strong Excel capabilities (e.g. pivots and formulas).
• Experience working with financial systems (e.g. SAP or similar ERP platforms) and multi-currency environments.
• A proactive resilient and customer-focused mindset with the ability to prioritise workload and deliver under pressure.

Grow your career and expand your skills and knowledge. At BSI we offer opportunities to work across industries and across the globe. Youll benefit from the different perspectives and experiences of your international colleagues as well as ongoing training and development.

Salary Range: 31450 - 35000

The advertised salary range reflects the level scope and responsibilities of the role. Starting salary within that range will be determined based on experience skills market considerations and alignment with internal equity principles.

We offer flexible working as well as 27-days annual leave paid sick leave bank holidays health insurance life insurance pension plan with company contribution car allowance (dependent on role) income protection paid maternity leave paid paternity leave paid parental leave adoption leave compassionate leave paid bereavement leave learning and development opportunitiesand a wide range of flexible benefits that you can tailor to suit your lifestyle.

*Please note: BSI are unable to provide visa sponsorship for this vacancy

Together we are building an organisation that is ready to meet the challenges ahead. Grow your career as you help us shape what comes next.

We exist to have a positive impact. Our people influence international thinking and action on important issues. Our 86000 customers are based in 193 countries across the globe.

Now were taking on societys biggest challenges. Were developing standards and guidelines that will help our customers get to net zero and were defining the way new technologies such as AI impact all our lives.

Were focused on our future and were looking for people who want to grow with us as we take on the challenges of tomorrow. At BSI youll find a workplace where everyone can flourish and thrive where innovation is encouraged and where learning is part of your everyday. Youll contribute to work that shapes industries and enhances lives and youll take pride in what you do.

Were looking for passionate people who want to make a difference in a purpose-led organisation. If that sounds like you apply now. Together we can help create a better society and a more sustainable world.

D&I Policy

BSI is committed to ensuring the diversity of our workforce reflects that of our clients and the communities in which we goal is to create a sense of belonging for all employees by providing opportunities to develop grow andengage with our global organization all while having fun doing great is a community where everyone can thrive.

If you require any reasonable accommodations to be made on account of a disability orimpairment throughout out our recruiting processplease inform your Talent Acquisition Partner.

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About Us

BSI is a business improvement and standards company and for over a century BSI has been recognized for having a positive impact on organizations and society building trust and enhancing lives.

Today BSI partners with more than 77500 clients in 195 countries and engages with a 15000 strong global community of experts industry and consumer groups organizations and governments.
Utilizing its extensive expertise in key industry sectors - including automotive aerospace built environment food and retail and healthcare - BSI delivers on its purpose by helping its clients fulfil theirs.
Living by our core values of Client-Centricity Agility and Collaboration BSI provides organizations with the confidence to grow by partnering with them to tackle societys critical issues from climate change to building trust in digital transformation and everything in between - to accelerate progress towards a better society and a sustainable world.

BSI is an Equal Opportunity Employer dedicated to fostering a diverse and inclusive workplace.

Required Experience:

Senior IC

Employment Type : Full-Time
Experience: years
Vacancy: 1
Monthly Salary Salary: 31450 - 35000