Assistant Accountant; Exclusively Artemis

We are partnering with a fast-growing, Private Equity-backed business operating within the energy efficiency and retrofit sector across the Island of Ireland. Following significant recent investment, the company is entering an exciting new phase of expansion and is seeking an Assistant Accountant to join its finance team in Newtownards.

Reporting directly to the Finance Manager, this is a key operational finance role where you will take ownership of day-to-day transactional finance processes and help ensure financial accuracy, compliance, and efficiency across the business. This is an excellent opportunity for a detail-focused finance professional looking to build experience in a fast-paced, evolving environment.

• Competitive salary
• Join a high-growth, PE-backed business
• Exposure to cross-border finance operations (NI & ROI)
• Opportunity to work within a dynamic and expanding finance function
• Career progression within a scaling organisation
• Study support

• Manage accounts payable including invoice processing, PO/GRN matching, payment runs, and supplier maintenance
• Oversee accounts receivable and billing, including ROI government invoices and NI grant claims
• Process monthly payroll across ROI and NI, including expenses and mileage
• Prepare and submit VAT, PAYE, RCT, and CIS returns, ensuring deadlines are met
• Complete monthly reconciliations across bank, payroll, tax, intercompany, and grant receivables
• Support month-end close through journals, accruals, and prepayments
• Maintain strong financial controls and supporting documentation across all transactional processes

• Previous hands‑on experience in AP, AR, payroll, and month‑end processes
• Strong attention to detail and ability to work to tight monthly deadlines
• Knowledge of ROI and NI payroll/tax processes (PAYE, VAT, CIS, RCT, PRSI, USC)
• Experience using ERP/accounting systems such as Sage 50, Business Central, Net Suite, or similar
• Strong Excel skills and confidence working with high-volume transactions
• Excellent communication skills with the ability to work closely with operational teams and external advisors

• Experience with in construction, retrofit, or energy sectors
• Knowledge of subcontractor compliance, retentions, and grant-based accounting
• Project accounting or job costing experience