Internal Audit Assistant Manager

Sumer

Internal Audit Supervisor managing internal audit assignments, assessing internal controls, and supervising junior auditors at Sumer Northern Ireland.

Posted 6/2/2026full-timeBelfast • 🇬🇧 United KingdomMid-LevelSeniorWebsite

ATS Keywords

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Hard Skills

internal audit methodologyfinancial auditingcompliance auditingoperational auditingrisk assessmentinternal controls evaluationaudit report preparationproblem solvingdata analysis

Soft Skills

relationship buildingmentoringteam managementcommunicationdetail-orientedindependent workingcollaboration

Tools & Technologies

audit softwareMicrosoft Office SuiteExcelWordPowerPoint

Certifications & Qualifications

bachelor’s degreeChartered Institute of Internal Auditors membershipCCAB-recognised accountancy body membershipICAEWACCAICAS

Industry Keywords

internal audit standardsaudit best practicesfinancial complianceoperational efficiency

About the role

Key responsibilities & impact

Develop and implement tailored internal audit plans for clients based on risk assessments and organisational objectives.
Conduct financial, compliance, and operational audits while overseeing and reviewing the work of junior auditors.
Evaluate the effectiveness of clients' internal controls, identify weaknesses, and recommend actionable solutions to mitigate risks and improve efficiency.
Prepare clear, concise audit reports with findings, conclusions, and practical recommendations to support clients in strengthening their operations.
Build strong relationships with clients to understand their processes and provide valuable insights and support during the audit process.
Mentor and guide junior auditors, fostering their professional growth while contributing to the overall development of the internal audit team.

Requirements

What you’ll need

Hold a bachelor’s degree at 2.1 or above and membership of either the Chartered Institute of Internal Auditors or a CCAB-recognised accountancy body (e.g. ICAEW, ACCA, ICAS).
Proven experience in internal or external auditing, with a strong understanding of internal audit methodology.
Supervising or managing teams in an audit environment.
Using audit software, tools, and Microsoft Office Suite (Excel, Word, PowerPoint).
Applying internal audit standards, principles, and best practices in various industries.
You may be the type of person who enjoys:
Analysing complex information and solving problems with a detail-oriented approach.
Building strong working relationships with clients and colleagues.
Working independently while contributing to a collaborative team environment.
Communicating findings clearly and effectively to a range of stakeholders.
Mentoring and supporting team members, fostering professional growth and development.

Benefits

Comp & perks

Competitive salary and benefits package, including access to our employee benefits hub, with resources on health and financial well-being as well as lifestyle savings
Working in an environment that fosters learning and development
Internal mentor and buddy system to support you through your career journey
Personal development programs to facilitate career growth, alongside practical, on-the-job training.