Sales Invoicing Administrator

Overview

Sales Invoicing Administrator at NSS Group. Location: Leeds (Hybrid – 3 days office, 2 days home after probation). Salary: £24,000 per annum. Department: Finance.

What We’re Looking For

The ideal candidate will bring:

• Previous invoicing experience (property or facilities management sector experience preferred).
• Strong organisational skills and the ability to manage your own workload effectively.
• A methodical, problem-solving approach and resilience under pressure.
• Excellent communication skills—confident liaising with both customers and colleagues.
• Proficiency in Excel and other business software, with strong data analysis skills.
• A collaborative attitude and enthusiasm for working within a growing team.

Key Responsibilities

• Deliver customer invoices accurately and on time, with correct supporting documentation, for both key and non-key accounts.
• Upload invoices to customer portals in line with client requirements.
• Monitor and enforce customer PO compliance across the business, escalating where required.
• Resolve invoicing issues by liaising with other departments to ensure smooth resolution.
• Maintain accurate records of invoiced and un-invoiced work, ensuring alignment with financial records.
• Regularly update the Cleaning Division’s operations team on the status of un-invoiced work.
• Ensure invoicing backlogs are minimised to optimise business cashflow.
• Meet all agreed deadlines set by your Line Manager.

Our Recruitment Process

To ensure a fair and unbiased recruitment process, we work with Hubert.ai. After applying, you’ll be invited to complete a chat-based interview with our virtual recruitment assistant, Hubert. The interview takes around 15–20 minutes. You can find helpful tips here: Hubert Interview Advice.

What NSS Will Give To You

• Free onsite parking
• Free refreshments with a friendly and sociable office environment
• An opportunity to progress and develop within the company
• 25 days annual holiday + bank holidays
• Monthly Reward and Recognition Scheme where our top performers are rewarded with vouchers for many retailers
• Trade Point Card which will enable you to get 10% off at any B and Q
• Day off for your birthday after length of service
• Eye care vouchers
• Referral bonus scheme
• Medicash health cash plan with discount on dental, health screening, gym discount, store discounts, specialist consultations and much more
• Hybrid working arrangement (3 days office based, 2 days working from home) available upon successful completion of probation period.