Accounts Assistant

Mitie; Swords; Hybrid; EUR 28,000 - 36,000; Full time

Benefits offered by this job

22 days annual leave

Annual leave purchase scheme

Free virtual GP service

Employee Assistance Programme

Mi Recognition

Learning & development

Job summary

Mitie Ireland is hiring an experienced accounts assistant to support Accounts Receivable and Accounts Payable processes. You will issue invoices, process supplier invoices, and maintain accurate ledgers. We value a proactive, detail‑minded team player with two years’ experience in accounting and familiarity with Sage.

The role is hybrid in Swords, Co. Dublin, offering a competitive package and opportunities for development.

Qualifications

• 2 years experience in a similar accounts role.
• Experience with Sage an advantage.
• Financially astute and diligent with numbers.
• Excellent communication and teamwork abilities.

Responsibilities

• Prepare and issue customer invoices and other billing documents.
• Process supplier invoices and assist with month-end close.
• Match invoices to purchase orders and resolve discrepancies.
• Maintain accurate supplier and customer accounts and audit trails.

Skills

Excel

Communication skills

Teamwork

Tools

Sage

Microsoft Office

Job description

Location: Hybrid / Swords, Co. Dublin, Ireland
job type: Permanent / Full-time
Sector and subsector: Accounting & Finance | Finance
Salary: Negotiable salary

Mitie Ireland is a leading facilities management, consultancy and professional services company. We offer a range of specialist services including technical services, security, cleaning, industrial cleaning, energy and sustainability, and professional consultancy. Our breadth and depth of services and expertise means that we can help to increase efficiencies, reduce costs, increase sustainability, and improve performance for our clients.

We work with a wide range of private and public clients to create great work environments. At the 2025 Facilities Management Awards, our outstanding work was recognised with awards for ‘Client and Service Provider’, ‘Best People Development’ and ‘Excellence in Health & Safety’. Mitie Ireland also won Facilities Management Company of the Year at the recent Chambers Ireland in Business Awards 2024.

Mitie have been awarded the IBEC Keep Well Mark in 2021, 2022, 2023, 2024 and 2025 for our commitment to employee wellbeing and we have also been named in the Top 100 Employers for Wellbeing in Ireland. Mitie were the first FM company to achieve the Keep Well mark for employee wellbeing. We are proud of our diverse workforce and recognise our people through several reward and recognition schemes, as well as through our learning and tailored personal development.

We are Mitie, the future of high-performing places.

The job in a nutshell:

Mitie Ireland is hiring an experienced accounts assistant to work between both the accounts payable and accounts receivable functions.

Key responsibilities:

Accounts Receivable

• Prepare and issue accurate and timely customer invoices, credit notes and other billing documentation in accordance with agreed client arrangements and internal approval processes.
• Review supporting information before invoicing, including purchase orders, contract details, approved variations, timesheets and other relevant documentation.
• Ensure invoices are correctly coded and include all information required by the customer, reducing the risk of rejected invoices or delays in payment.
• Maintain accurate customer account information and update billing records where changes have been properly authorised.
• Investigate and resolve customer invoice queries, working with operational teams, commercial colleagues and customers to obtain the information or approvals required.
• Maintain complete and accessible supporting documentation to provide a clear audit trail for invoices, credit notes, receipts and account adjustments.

Accounts Payable

• Process supplier invoices, credit notes and other payable transactions accurately and within agreed processing timelines.
• Review invoices to ensure they contain the required supplier, tax, purchase order before posting.
• Match supplier invoices to authorised purchase orders and goods received records, investigating any differences in price, quantity, coding or approval status.
• Ensure invoices without purchase orders are supported by the appropriate approval and documentation in accordance with company policy.
• Code invoices to the correct company, cost centre, contract, account and tax category, seeking clarification where information is incomplete or unclear.
• Reconcile supplier statements to the accounting system and investigate missing invoices, unallocated payments, duplicate transactions and other differences.
• Work with suppliers, operational teams and internal budget holders to resolve invoice queries and prevent unnecessary payment delays.
• Maintain accurate supplier account information and support the validation of supplier details in line with the company’s supplier onboarding and change-control procedures.
• Assist with the preparation of supplier payment runs, ensuring that invoices selected for payment are properly approved and due for settlement.
• Support the investigation of payment rejections, returned funds and supplier remittance queries.
• Monitor open purchase orders and unmatched invoices, following up with the relevant teams to ensure transactions are received, approved and recorded correctly.
• Assist with month-end close activities, including identifying unprocessed invoices.
• Maintain complete supporting records for invoices, approvals, reconciliations and payments, providing a clear audit trail.

About you:

• A positive can-do approach with an eagerness to learn.
• 2 years experience in a similar accounts role.
• Experience with Sage an advantage.
• Financially astute.
• Personal honesty and integrity.
• Good team worker.
• Approachable with excellent communication skills.
• Ability to work under pressure.
• Someone who cares about the impact of their work and takes pride in it.
• Someone who grasps difficult concepts easily.
• Strong IT Skills – Microsoft office, particularly Excel.
• Enthusiasm, resilience & drive.

Benefits include:

• 22 days annual leave.
• Annual leave purchase scheme (buy up to 5 extra days of annual leave per year).
• Free virtual GP service for staff and their families.
• Access to our Employee Assistance Programme (EAP).
• Mi Recognition (Thanking employees for a job well done ranging from €25 - €250).
• Talent Referral Scheme (Earn €100 - €3000 for referring a friend to Mitie).
• Long service awards (Ranging from €50-€300).
• Mi Deals (Fantastic % discount savings at high street stores such as Primark, TK Maxx, and others).
• A non-contributory life assurance scheme.
• Learning & development (access to 200 courses on our L&D platform).

This job description is intended to give the post holder an appreciation of the role envisaged for this position and the range of duties undertaken. It does not attempt to detail every activity, and should be utilised as a general guide, detailing the minimum requirements and responsibilities of the position. Specific tasks and objectives will be agreed with the post holder following the appraisal process and on an as and when required basis throughout the post holder's period of employment.