Compliance Investigator in London

A leading aerospace and aviation organisation is seeking an experienced Compliance Investigator to support its Maintenance, Repair and Overhaul (MRO) operations. This is a contract opportunity, based primarily in Oxfordshire, with regular travel required to operational sites across the UK. The successful contractor will play a key role in ensuring regulatory and operational compliance, conducting in-depth investigations, identifying root causes, and driving corrective and preventive actions. This role sits within a compliance and quality-focused environment and supports the promotion of safety, standardisation, and continuous improvement across multiple locations.

• Compliance Investigations & Root Cause Analysis
  • Conduct thorough investigations into compliance-related incidents, discrepancies, and safety concerns.
  • Perform MEDA investigations where required.
  • Apply Root Cause Analysis methodologies such as 5 Whys, Fishbone Diagrams, and Fault Tree Analysis.
  • Identify Human Factors and Human Performance contributors.
  • Analyse trends and systemic issues, ensuring sustainable corrective actions are implemented.
• Regulatory & Quality Assurance
  • Ensure adherence to applicable aviation regulatory frameworks, including Part 145 and associated UK/EASA requirements.
  • Support compliance with CAMO, Part 21 G, and military aviation regulations where applicable.
  • Work closely with Quality and Assurance teams to support audits and inspections.
  • Support regulatory audits and coordinate responses to findings, ensuring timely closure of non‐conformances.
• Process Improvement & Risk Mitigation
  • Collaborate with cross‐functional teams to improve maintenance procedures and operational effectiveness.
  • Recommend and support implementation of risk mitigation strategies.
  • Promote best practice in safety, human factors, and compliance monitoring.
• Stakeholder Engagement & Reporting
  • Produce clear, structured investigation reports with recommendations for senior stakeholders and regulators.
  • Engage with engineering, maintenance, production, and safety teams to improve compliance awareness.
  • Maintain accurate investigation records and track corrective and preventive actions (CAPA).

• Proven experience conducting compliance investigations within an aviation maintenance or aerospace environment.
• Strong expertise in Root Cause Analysis and structured problem‐solving techniques.
• In‐depth knowledge of UK CAA and EASA regulatory frameworks, particularly Part 145.
• Solid understanding of Human Factors, Human Performance, and limitations.
• Experience reviewing technical documentation, maintenance records, and regulatory requirements.
• Background in audits and inspections within a maintenance or regulated environment.
• Strong analytical, report‐writing, and stakeholder communication skills.
• Proficiency with Quality Management Systems (QMS) and compliance monitoring tools.

• Experience with MEDA investigations.
• Knowledge of CAMO, Part 21 G, and / or military aviation regulations (MRP 145, MIL CAMO).
• Familiarity with ISO 9001, AS9100, or equivalent aviation quality standards.
• Experience using Lean, Six Sigma, or continuous improvement methodologies.
• Ability to engage confidently with stakeholders at all levels.

• Essential
  • Formal training in Root Cause Analysis and investigative techniques.
  • Security Clearance (SC) or the ability to obtain clearance.
• Desirable
  • Aviation Safety Management Systems (SMS) certification.
  • Aviation Auditor or Lead Auditor certification.
  • Lean Six Sigma Green or Black Belt.
  • Extensive background in compliance, investigation, or audit roles within an aviation MRO setting.

This contract role would suit a compliance‐focused aviation professional who thrives in regulated environments and is comfortable working across multiple sites. Applications are welcomed from all suitably qualified contractors regardless of gender, background, or personal characteristics.