Senior Internal Auditor

About the role

The Senior Internal Auditor will lead and execute comprehensive internal audits across financial, operational, and compliance areas. This role supports Lumentum Operations LLC in strengthening governance, risk management, and internal control frameworks.

Key responsibilities

• Plan, conduct, and report on all phases of internal audits 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 and inefficiencies.
• 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 and monitor corrective action plans.
• Assist in annual risk assessment, audit universe development, and audit planning.
• Provide mentorship to junior auditors and participate in special projects or investigations.

Required profile

• Bachelor’s degree in Accounting, Finance, Business Administration or related field; Master’s preferred.
• CPA, CIA, CISA or similar certification highly desirable.
• 4‑6 years of progressive internal audit or public accounting experience.
• Strong knowledge of internal control frameworks (e.g., COSO) and GAAP.
• Excellent analytical, problem‑solving, written and verbal communication skills.
• Ability to work independently and manage multiple priorities.
• Willingness to travel occasionally (5‑10%).

Required skills

• Microsoft Excel
• Microsoft Word
• Microsoft PowerPoint
• Audit management software such as Optro or Workiva
• ERP systems, preferably Oracle