Senior Financial Controller – IFRS/SEC & SOX, Hybrid

Arqit Limited; Belfast City District; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Arqit Limited in Belfast is seeking a highly capable Financial Controller / Finance Manager to lead the Belfast Finance Operations Centre. You will own the monthly close, IFRS reporting and SOX/SEC compliance in a multi-entity group, working closely with the CFO and Group Financial Controller.

This senior role offers hybrid working from Belfast city centre, with periodic travel to London and other locations, and a chance to shape financial controls and process improvements across the rapidly

Qualifications

• Qualified accountant with post‑qualification experience in IFRS.
• Experience of IFRS reporting in multi‑entity, multi‑currency environments.
• Experience with SEC reporting (20‑F/6‑K) and SOX compliance.

Responsibilities

• Lead the monthly close across three legal entities.
• Prepare and review Board reporting packs and monthly management accounts.
• Own SOX compliance oversight for the Belfast team.
• Coordinate the annual 20‑F and quarterly 6‑K SEC reporting cycle.
• Prepare statutory accounts and ensure tax filings are timely.
• Serve as primary liaison with external auditors and advisors.
• Drive continuous improvement across financial processes with automation.
• Partner with Group Financial Controller on technical accounting matters.
• Support international expansion activities and CFO‑level projects.

Skills

IFRS reporting

SOX compliance

SEC reporting

Board reporting

Stakeholder communication

Automation & process

Education

Qualified accountant (ACA/ACCA/CIMA)

Job description

Arqit Limited in Belfast is seeking a highly capable Financial Controller / Finance Manager to lead the Belfast Finance Operations Centre. You will own the monthly close, IFRS reporting and SOX/SEC compliance in a multi-entity group, working closely with the CFO and Group Financial Controller.

This senior role offers hybrid working from Belfast city centre, with periodic travel to London and other locations, and a chance to shape financial controls and process improvements across the rapidly