Senior Internal Auditor

IAC; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

IAC is partnering with a FTSE100-listed market-leading international organisation to recruit a Senior Internal Auditor for its high-performing Global Internal Audit team. This is an excellent opportunity for someone who enjoys variety, autonomy and international exposure.

You will lead audits across multiple countries and business functions, working closely with senior stakeholders to improve governance, strengthen controls and influence positive change across a complex global organisation.

Qualifications

• ACA or ACCA qualification.
• Experience in Internal Audit within a large international organisation or a Big 4 advisory environment.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to influence senior stakeholders.
• Experience with data analytics tools such as Power BI.
• Fluency in additional languages.
• Willingness to travel internationally 30-40%.

Responsibilities

• Lead and deliver operational and financial audits across an international business.
• Plan and scope audits, identifying key business risks and control environments.
• Prepare clear, high-quality audit documentation and working papers.
• Present findings and recommendations to senior leadership.
• Produce concise audit reports with practical, value-adding recommendations.
• Follow up on agreed actions and monitor implementation.
• Support wider internal audit and risk initiatives, including management reporting and continuous improvement projects.

Skills

Internal Audit

Stakeholder influence

Data analytics

Power BI

Analytical thinking

Communication skills

Languages

Travel availability

Education

ACA/ACCA

Tools

Power BI

Job description

Are you looking for your next challenge in a truly global business?

IAC are partnering with a FTSE100 listed market‑leading international organisation to recruit an ambitious Senior Internal Auditor to join its high-performing Global Internal Audit team.

This is an excellent opportunity for someone who enjoys variety, autonomy and international exposure. You'll lead audits across multiple countries and business functions, working closely with senior stakeholders to improve governance, strengthen controls and influence positive change across a complex global organisation.

What you'll be doing:

• Lead and deliver operational and financial audits across an international business.
• Plan and scope audits, identifying key business risks and control environments.
• Prepare clear, high-quality audit documentation and working papers.
• Present findings and recommendations to senior leadership.
• Produce concise audit reports with practical, value-adding recommendations.
• Follow up on agreed actions and monitor implementation.
• Support wider internal audit and risk initiatives, including management reporting and continuous improvement projects.

You will ideally have:

• ACA or ACCA qualification.
• Experience in Internal Audit within a large international organisation or a Big 4 advisory environment.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to influence senior stakeholders.
• Experience with data analytics tools such as Power BI.
• Fluency in additional languages.
• A willingness to travel internationally between 30-40%.

If you are looking for an opportunity to join a successful global business where Internal Audit is recognised as a valued business partner, then