Senior Accounts Receivable Specialist in London

Location: On site / London, UK

Job type: Permanent / Full-time

Sector and subsector: Accounting & Finance | Accounts Receivable

Salary: Competitive salary

OryxAlign is a fast‑growing Managed Services Provider delivering technology solutions and high‑quality support services to a diverse client base. We have invested significantly in our people, systems and operational capability, and continue to grow our presence across our UK, Cape Town and Manila offices. Our business is built on delivering excellent service, developing trusted client partnerships and maintaining strong operational efficiency.

Overall Purpose

As a Senior Accounts Receivable Specialist, you will play a key role in supporting the financial health of the business within a fast‑paced managed services and technology environment. You will be responsible for accurate invoicing, maintaining the sales ledger, reconciling payments and helping to improve billing processes. This is a hands‑on role for someone who combines strong attention to detail with excellent customer service, and who can work confidently with both internal teams and external clients to resolve queries and keep accounts running smoothly.

Key Responsibilities

• Own and deliver accurate and timely invoicing across ad‑hoc, weekly and recurring managed service billing
• Maintain the integrity of the sales ledger, including reconciliations, payments and direct debit activity
• Act as a key point of contact for accounts receivable queries, ensuring timely and professional resolution for internal and external stakeholders
• Support effective credit control and cash collection, helping to minimise aged debt and protect cash flow
• Ensure billing accuracy and completeness, working closely with Sales, Service Delivery and Operations to resolve issues and prevent revenue leakage
• Contribute to continuous improvement of billing processes, reporting and controls to enhance efficiency and accuracy
• Identify and address billing discrepancies and revenue leakage, supporting accurate invoicing and improved cash realisation

What we need from our Senior Accounts Receivable Specialist

You will be organised, accurate and service‑focused, with a calm, thoughtful and cooperative approach to your work. We are looking for someone who builds positive working relationships, enjoys supporting colleagues and values collaboration, consistency and harmony within a team. You will be comfortable taking time to understand information, working carefully through detail and responding in a considered, matter‑of‑fact way. This role will suit someone who prefers stability, can focus well on one task at a time, and takes pride in following proven processes to deliver reliable, high‑quality work in a fast‑moving technology business. A professional approach, sound judgement and a commitment to accuracy and continuous improvement are essential in this Senior Accounts Receivable Specialist role.

Experience and expertise

• Previous experience in an accounts receivable, accounting or bookkeeping role
• Strong numerical skills, data accuracy and excellent attention to detail
• Good working knowledge of Excel, financial systems and maintaining accurate records
• A sound understanding of accounting principles, including invoicing, reconciliation and revenue
• Strong customer service and communication skills, with the ability to explain financial information clearly
• A cooperative, thoughtful and reliable approach, with a preference for working accurately, following process and building positive working relationships
• Experience of working in a managed services, technology or other services‑led business with recurring billing models
• Knowledge of Xero, ConnectWise or similar finance and ERP systems
• Understanding of output tax requirements and wider corporate tax considerations
• A relevant qualification in accounting, finance, business or a related discipline
• Experience of billing in construction or other contract‑based environments, including staged billing and management of complex client requirements

What you will get from OryxAlign

Along with competitive salary and training and development you will receive leave entitlement of 23 days plus one volunteer day, private medical through Vitality, group personal pension – 4% employer and 5% employee contributions and Life Insurance at 4 x salary.

Other benefits include

• Employee Assistance Programme and access to Online GP
• Social events throughout the year
• Cycle to Work & Instant Discounts
• Health Cash Plan
• Technology Loans
• Long service leave
• Holiday Trading
• Reward and recognition awards
• Lunches on All‑In Office Days

Equal opportunities

OryxAlign values its people and culture, striving to be an inclusive and welcoming workplace. As an equal opportunity employer, we do not discriminate based on age, disability, gender reassignment, pregnancy, maternity, race (including colour, nationality and ethnic or national origins), sex, sexual orientation, religion or belief, or marital or a civil partnership status. We actively encourage applications from all individuals of all backgrounds, particularly women, to promote gender diversity in the tech industry.