Senior Internal Auditor

About the role

The Senior Internal Auditor will play a key role in evaluating and improving the effectiveness of Lumentum Operations LLC's governance, risk management, and internal control processes.

Key responsibilities

• Lead and execute all phases of internal audits, including planning, fieldwork, reporting, and follow‑up, in line with IIA standards.
• Develop audit programs and testing procedures tailored to specific risks and objectives.
• Analyze financial, operational, and IT processes to identify control weaknesses, inefficiencies, and non‑compliance.
• Prepare clear audit reports with findings, recommendations, and management responses.
• Present audit results to management and stakeholders, communicating risks and control implications.
• Collaborate with process owners to create corrective action plans and monitor implementation.
• Assist in annual risk assessment and audit planning, contributing to the audit universe.
• Stay updated on industry best practices, regulatory changes, and emerging risks.
• Provide guidance and mentorship to junior auditors.
• Participate in special projects, investigations, and advisory engagements as assigned.

Required profile

• Bachelor's degree in Accounting, Finance, Business Administration or related field (Master's preferred).
• CPA, CIA, CISA or other relevant professional certification highly desirable.
• 4‑6 years of progressive experience in internal audit, public accounting or related field.
• Strong understanding of internal control frameworks (e.g., COSO), risk management principles and GAAP.
• Excellent analytical, problem‑solving and communication skills.

Required skills

• Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint).
• Experience with audit management software such as Optro or Workiva.
• Familiarity with ERP systems, preferably Oracle.