Billing Manager in Hook

Location: Hook, Hampshire – Hybrid

Salary: £75,000 - £85,000 PA + Bonus, Car Allowance, PMI and Pension 6%

About The Role

We’re looking for an experienced Billing Manager to join our Global Financial Services (GFS) team and play a key role in transforming and strengthening our billing function. This is an exciting opportunity to shape the future of billing at Serco. You’ll lead the review and redesign of existing processes, introduce scalable and efficient ways of working, and drive automation and continuous improvement. Once the new model is established, you’ll take ownership of the end-to-end billing operation, ensuring accurate and timely revenue capture while delivering a high-quality service to our customers and internal stakeholders. Reporting to the Head of Revenue, you’ll lead a team of onshore Financial Accountants alongside colleagues within our offshore Business Processing Outsourcer (BPO). You’ll work across multiple business areas and contract streams, balancing standardised processes with the specific requirements of our diverse portfolio.

What You’ll Be Doing

• Leading the review and redesign of billing processes, systems and controls to create a scalable future-state operating model.
• Identifying inefficiencies, risks and opportunities, implementing solutions that improve accuracy, efficiency and customer experience.
• Developing and embedding best-practice billing frameworks, policies and documented ways of working.
• Ensuring billing activity complies with contractual terms, pricing structures, internal policies, audit requirements and relevant financial standards.
• Establishing robust controls to minimise revenue leakage and billing errors, while ensuring audit readiness.
• Building, leading and developing a high-performing billing team through effective coaching, training and performance management.
• Taking ownership of the day-to-day billing operation, including accurate and timely invoice generation and end-to-end billing cycles.
• Working alongside Order to Cash (OTC) teams to manage disputes and collections and support wider working capital objectives.
• Using data and trend analysis to identify risks and opportunities and drive further improvements.

What You’ll Need

We’re looking for an experienced billing or Order to Cash professional who combines strong operational expertise with a genuine passion for transformation and continuous improvement.

• Proven experience managing billing operations or working within an Order to Cash environment.
• Experience leading process transformation, optimisation or system implementation.
• A strong understanding of different billing models, including recurring, usage-based and contract billing.
• Experience managing, developing and motivating teams within a high-volume operational environment.
• Strong analytical and problem-solving skills, with excellent attention to detail.
• The ability to work effectively across Finance, Commercial and Technology functions.
• Excellent stakeholder management and communication skills, with confidence engaging with senior stakeholders.
• A strong understanding of financial controls and the importance of accurate revenue capture.
• Experience with SAP ERP or other billing systems would be advantageous, as would knowledge of revenue recognition principles, including IFRS 15.

Why Serco?

At Serco, we bring together people who are passionate about delivering better outcomes for the communities we serve. Our finance teams play a critical role in making that possible, providing the insight, governance and expertise that enable our business to operate effectively. This is an opportunity to join a newly established Global Financial Services structure and help shape how billing operates across a large and diverse UK business. You’ll have the opportunity to influence processes, technology, team structures and ways of working while working alongside experienced finance and commercial professionals across Serco. If you’re an experienced billing leader who enjoys transforming processes, developing people and making a measurable difference, we’d love to hear from you.

In Return, We Offer

• Flexible and hybrid working.
• Bonus on target 10%
• Car Allowance - £4200
• Private Medical Insurance
• Opportunities to work on high-profile, complex programmes.
• Career development within a global organisation.
• A collaborative and supportive leadership environment.
• Competitive salary and comprehensive benefits package.

A Little Bit About Us

At Serco, everyone plays a vital part in delivering essential public services that make a real difference. As a global team of 50,000 people across Defence, Transport, Justice, Immigration, Healthcare, Leisure and Citizen Services, we’re united by a shared purpose: to improve the services that communities rely on. Guided by our values of Trust, Care, Innovation and Pride, our people make meaningful impact, every single day.

Our Inclusive Recruitment Commitment

We prioritise your skills and potential. As a Disability Confident Leader, the Top Great British Employer of Veterans 2026, and a Gold Inclusive Employer Standard holder, we champion equal opportunities for all. We offer flexible and hybrid working where possible and make reasonable adjustments throughout recruitment and employment.

Guaranteed Interview Scheme: Applicants with disabilities, veterans and people with convictions, who meet the minimum job criteria, are guaranteed an interview. Simply opt into the relevant scheme on the application form.

Ban The Box: We also support fair access for those with unspent criminal convictions through our ‘Ban the Box’ pledge (some roles may have security exemptions).