Internal Investigation Senior Supervisor at One Acre Fund

One Acre Fund is seeking a qualified and experienced professional for the position of Internal Investigation Senior Supervisor in Iringa, Tanzania. The role is suitable for candidates with a background in Law, Business Administration, corporate investigations, audit, security, compliance, or legal case management.

The successful candidate will conduct field-based investigations into suspected fraud, theft, inventory stock leakages, and policy non-compliance. The position also involves gathering evidence, interviewing witnesses and subjects, preparing investigation reports, supporting disciplinary and legal proceedings, and helping strengthen fraud prevention and risk management across One Acre Fund operations.

Responsibilities

• Conduct independent field investigations into suspected fraud, theft, inventory stock leakages, and policy non-compliance.

• Investigate issues across rural retail, tree, and warehouse business units.

  

• Gather physical and digital evidence.

• Conduct witness and subject interviews.

  

• Prepare chronological event logs in compliance with legal guidelines.

• Record and track cases using Kissflow.

  

• Prepare evidence bundles, interview notes, and supporting documentation for internal disciplinary panels, CMA proceedings, and legal cases.

• Investigate and resolve farmer and customer complaints.

  

• Identify operational vulnerabilities and support anti-fraud training and risk evaluations.

• Prepare comprehensive investigation and audit reports containing factual findings, control failures, and actionable recommendations.

• Conduct routine field-based investigations.

• Handle minor-to-moderate fraud investigations and inventory stock checks.

• Gather facts and evidence for major or high-risk cases.

• Support cases managed by the Internal Investigation Coordinator.

• Serve as a factual witness during internal disciplinary panels, CMA arbitrations, or court proceedings.

Qualifications Required

• Bachelor’s degree in Law, Business Administration, or a related field.

• Master’s degree is an added advantage.

• 1–2+ years of relevant experience in corporate investigations, audit, security, compliance, or legal case management.

• Hands-on experience conducting field investigations, fraud checks, and witness or subject interviews.

• Experience gathering physical and digital evidence.

• Experience preparing factual groundwork to support broader investigation teams.

• Knowledge of Tanzanian labour regulations.

• Knowledge of Primary and District Court prosecution processes and legal proceedings.

• Proficiency in Google Suite and Microsoft Office.

• Experience with Kissflow or similar case management tools.

• Fluency in Swahili and English, both written and spoken.

• Willingness to travel extensively to field locations and vendor sites within Tanzania, approximately 30–40% of the work month.

• Strong analytical and problem-solving skills.

• High level of integrity and discretion.

• Ability to maintain confidentiality.

• Ability to work effectively under tight deadlines.

Job Details

• Position: Internal Investigation Senior Supervisor

• Organization: One Acre Fund

• Location: Iringa, Tanzania

• Employment Type: Contract

• Salary: Negotiable

• Application Deadline: 6 November 2026

How to Apply

Interested candidates should submit their applications online through the One Acre Fund Greenhouse careers portal.

Applicants should:

• Prepare an updated CV containing relevant investigation, audit, compliance, legal, or security experience.

• Highlight experience in fraud investigations, evidence gathering, interviewing, and case management.

• Include relevant academic qualifications and professional experience.

• Submit the application through the official One Acre Fund recruitment portal.

Application Link: https://job-boards.greenhouse.io/oneacrefundtanzania/jobs/8108253

Final Thoughts

This position offers an opportunity for an experienced investigations, legal, audit, compliance, or security professional to contribute to fraud prevention and organizational accountability. Candidates with strong investigative skills, knowledge of Tanzanian legal processes, and a willingness to travel to field locations should consider applying before the 6 November 2026 deadline.