Compliance Investigator – Aviation MRO

We are a leading UK helicopter organisation specialising in civil and military aviation support. Our Oxford Airport site serves as a national hub for helicopter maintenance, bespoke completions, engineering, training, and spares support. With extensive in‑house capabilities covering design, customisation, installation, flight‑testing, certification, and technical support, we deliver high‑quality solutions across multiple UK locations and maintain long‑standing partnerships within both the civil and defence sectors.

We are seeking a Compliance Investigator to join our dedicated Compliance Team in Oxford. This role is vital in ensuring our operations remain aligned with regulatory requirements, internal quality standards, and our commitment to safety and continuous improvement. The position requires travel to all company sites across the UK to support consistent compliance practices.

As a Compliance Investigator within our Helicopter Maintenance Repair Organisation (MRO), you will conduct in‑depth investigations into compliance issues, identify root causes, and drive corrective and preventive actions across the business. You will play a key role in promoting safety, regulatory compliance, and operational excellence.

• Compliance Investigations & Root Cause Analysis: Lead thorough investigations into compliance incidents, discrepancies, and safety concerns. Conduct MEDA investigations as required. Apply recognised RCA methods (5 Whys, Fishbone/Ishikawa, Fault Tree Analysis). Identify Human Factors and Human Performance elements contributing to events. Detect trends and systemic issues to ensure lasting corrective actions.
• Regulatory & Quality Assurance: Ensure compliance with UK CAA/EASA Part 145, Part CAMO, Part 21G, and relevant military aviation regulations (MRP 145, MIL CAMO). Work closely with Quality Assurance teams to refine audit and inspection processes. Support regulatory audits and lead the closure of non‑conformances.
• Process Improvement & Risk Mitigation: Partner with engineering, maintenance, production, and safety teams to strengthen processes. Develop and recommend risk‑mitigation strategies. Promote best practices in safety, human factors, and compliance monitoring.
• Stakeholder Engagement & Reporting: Produce detailed investigation reports for senior management and regulatory bodies. Maintain clear, accurate records of investigations and CAPA activity. Build strong relationships across operational teams to enhance compliance awareness.

• Essential: Experience in compliance investigations within aviation maintenance or aerospace environments. Strong expertise in Root Cause Analysis and problem‑solving tools. Solid understanding of UK CAA/EASA regulatory frameworks and relevant MRO standards. Knowledge of Human Factors and Human Performance principles. Experience in audits, inspections, and analysis of technical/maintenance documentation. Excellent report‑writing, analytical, and communication skills. Proficiency with QMS, compliance monitoring systems, and data analysis tools.
• Desirable: Experience with Lean, Six Sigma, or continuous improvement methodologies. MEDA investigation experience. Familiarity with Part CAMO, Part 21G, military aviation regulations (MAA, MRP145, MIL CAMO). Knowledge of ISO 9001, AS9100. Strong interpersonal skills with the ability to influence at all levels.

• Essential: Formal training in RCA and investigative techniques. Ability to obtain Security Clearance (SC) and DBS clearance.
• Desirable: Aviation Safety Management Systems (SMS) certification. Auditor or Lead Auditor qualification. Lean Six Sigma Green/Black Belt. Extensive experience in aviation compliance, investigation, or audit functions.