Audit Supervisor at Oilserv Limited

Oilserv Limited is a leading provider of integrated engineering, procurement, construction, installation & commissioning (EPCIC) services and complementary solutions across the asset and program life cycle within the onshore, offshore and subsea market segments of the oil and gas sector. Oilserv Limited was incorporated in 1992 and commenced operations in 1995.

We are recruiting to fill the position below:

Job Title: Audit Supervisor

Location: Rivers
Employment Type: Full-time

Job Summary

• The Audit Supervisor is responsible for conducting risk-based internal audits, evaluating the effectiveness of internal control systems, and performing fraud investigations and whistle-blowing reviews within the organisation.
• The role ensures compliance with policies, laws, and regulations while safeguarding company assets and enhancing governance.
• The position also supports continuous improvement, fraud prevention initiatives, and overall control awareness across business units.

Job Details
Internal Audit & Assurance:

• Assist in planning and performing operational, financial, and compliance audits.
• Conduct walkthroughs, sampling, data testing, and documentation of audit evidence.
• Maintain accurate working papers in line with professional standards.
• Evaluate controls and process compliance and support reporting of improvement suggestions.

Fraud Investigation & Whistle-blowing Reviews:

• Participate in fraud and misconduct investigations as assigned.
• Perform initial data checks, document reviews, and prepare evidence files.
• Support interviews and maintain confidentiality of case records.
• Assist in preparing investigation summaries and tracking corrective actions.

Risk Management & Controls Assessment:

• Contribute to risk assessments and identification of fraud red flags.
• Provide advisory support on strengthening controls when opportunities arise.
• Help promote awareness of internal control and fraud prevention practices.

Compliance & Governance:

• Ensure organisational practices comply with internal policies, regulatory provisions, and professional standards.
• Support external audits, regulatory reviews, and management assurance initiatives.
• Promote ethical culture and control awareness through training and engagement sessions.

Reporting & Stakeholder Engagement:

• Prepare timely internal audit and special reports (e.g. investigation reports) with high-quality insights and recommendations.
• Maintain strong working relationships with key stakeholders within the organisation.
• Participate in meetings with process owners to discuss observations and solutions.

Requirements

• A minimum of a Bachelor’s Degree from a recognized university. 
• Recognized professional in Accounting, Risk Management, and Internal Audit with ACA, ACCA, or CIA certification. 
• A minimum of 7 years’ experience in any business function.

Benefits

• Great work culture and multiple opportunities for growth and self-development. 
• 18 days of annual leave, excluding federal public holidays. 
• Health insurance coverage. 
• Monthly employer pension contribution. 

Application Closing Date
1st April, 2026.

Method of Application
Interested and qualified candidates should:
Click here to apply online