Full-Time

Director, Internal Audit

Lumentum

Lumentum

1,001-5,000 employees

Supplies photonic components for networks

Compensation Overview

$169.6k - $242.3k/yr

+ Annual bonus + Equity

San Jose, CA, USA

In Person

Domestic and international travel is required as business needs require.

Bachelor's

Category
Accounting (1)
Required Skills
ERP
Supply Chain Management
Inventory Management
Risk Management
Mergers & Acquisitions (M&A)
Data Analysis

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Requirements
  • A bachelor's degree in Accounting, Finance, Business Administration, Information Systems, or a related field is required.
  • At least 10 years of progressive internal audit, public accounting, risk management, or related experience, including leadership responsibilities, is required.
  • Experience leading operational, financial, manufacturing, compliance, and/or information technology audits within a complex, global organization is required.
  • Strong knowledge of internal control frameworks, including COSO, risk assessment methodologies, and governance best practices, is required.
  • Experience developing and executing risk-based internal audit plans is required.
  • The candidate must be able to communicate effectively with executive leadership and influence business decisions.
  • Strong analytical, problem-solving, project management, and organizational skills are required.
  • The candidate must be able to travel domestically and internationally as business needs require.
  • Certified Internal Auditor, Certified Public Accountant, or another relevant professional certification is required.
Responsibilities
  • Develop and execute a comprehensive, risk-based internal audit plan aligned with the Company's strategic objectives and Internal Audit strategy.
  • Lead the Company's SOX Program Management Office by directing the planning, execution, governance, and continuous improvement of the annual SOX compliance program, while partnering with business process owners, information technology, external auditors, and executive leadership.
  • Evaluate the design and operating effectiveness of governance, risk management, and internal control frameworks throughout the organization.
  • Conduct operational audits assessing efficiency, effectiveness, productivity, cost optimization, and overall business performance.
  • Conduct manufacturing and plant audits evaluating production processes, inventory management, quality systems, production controls, asset protection, and supply chain risks.
  • Support the Enterprise Risk Management program through enterprise-wide risk assessments, evaluation of mitigation strategies, and integration of key risks into the annual audit plan.
  • Lead advisory engagements supporting strategic initiatives, business process improvements, ERP implementations, digital transformation initiatives, automation projects, mergers and acquisitions, post-acquisition integrations, and organizational change.
  • Conduct and oversee special projects, including fraud investigations, ethics-related reviews, forensic assessments, and management-requested engagements.
  • Develop practical, risk-based recommendations that strengthen internal controls while improving operational effectiveness and business performance.
  • Communicate audit results, key risks, trends, and recommendations to senior leadership and governance committees through clear, concise, and impactful reporting.
  • Monitor management's remediation efforts and validate corrective actions to ensure timely and sustainable resolution of audit findings.
  • Build trusted relationships across the organization while maintaining Internal Audit's independence, objectivity, and professional skepticism.
  • Coordinate with external auditors, regulators, and other assurance providers to optimize audit coverage and minimize duplication of effort.
  • Drive continuous improvement within the Internal Audit function through leading practices, data analytics, continuous auditing, automation, and technology-enabled audit methodologies.
  • Perform other duties and special projects as assigned.
Desired Qualifications
  • Experience in manufacturing or other complex operational environments.
  • Experience supporting Enterprise Risk Management programs.
  • Knowledge of ERP platforms or similar enterprise systems.
  • Experience applying data analytics, automation, or continuous auditing techniques within Internal Audit.

Lumentum makes photonic components such as diode lasers and optical modules for data networks, data centers, sensing, and manufacturing. These devices turn electrical signals into light to enable high-speed data transmission and 3D sensing, or to power optical communications in networks and devices. It differentiates itself with a broad, high-volume photonics platform that includes silicon photonics and laser diodes for 3D sensing, designed for scalable, reliable supply to tech ecosystems. Its goal is to improve the speed, flexibility, and efficiency of communication networks and sensing systems to handle growing data traffic.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

San Jose, California

Founded

2015

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Simplify Jobs

Simplify's Take

What believers are saying

  • Q4 fiscal 2026 revenue hit $1.01 billion, up 109% year over year.
  • Pump laser shipments rose over 80%, and management expects a fourfold increase.
  • First-quarter fiscal 2027 operating margin guidance of 39.5%-40.5% signals strong leverage.

What critics are saying

  • Coherent, InnoLight, and Applied Optoelectronics are all racing into 1.6T hyperscaler sockets.
  • Lumentum's $7.8 billion debt-extinguishment charge exposed fragile GAAP earnings quality.
  • If hyperscalers delay 1.6T orders in 2027, the $1.25 billion quarter disappoints.

What makes Lumentum unique

  • Lumentum controls upstream laser engines, not just transceiver assembly, preserving pricing power.
  • August 11, 2026 guidance reached $1.225 billion-$1.275 billion before schedule, proving execution.
  • The company shipped record 800G modules and started 1.6T production in 2026.

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Benefits

Wellness Program

Flexible Work Hours

Mentorship Program

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

3%

2 year growth

3%
Yahoo Finance
Aug 20th, 2026
Two optical stocks poised for growth after AI selloff: Lumentum and Coherent

Lumentum and Coherent, optical component makers for AI data centers, saw shares drop sharply on Tuesday. Lumentum fell 9.9% to $873.31, while Coherent declined 12.8% to $306.43 amid broader selling in richly valued AI-related stocks. The declines weren't company-specific. Both firms recently reported strong results. Lumentum doubled its revenue to $1.01 billion in its fiscal fourth quarter ended 27 June, up 109% year over year. The company expects $1.225 billion to $1.275 billion in revenue this quarter. Adjusted gross margin reached 50.4%, with adjusted earnings per share of $3.23. Management guided to $4.05 to $4.35 this quarter. Coherent posted a record quarter with guidance for continued growth. Both companies cited strong demand for optical components used in AI data centers.

Yahoo Finance
Aug 19th, 2026
AAOI vs Lumentum: Which optical networking stock offers better upside potential?

Applied Optoelectronics and Lumentum are competing for dominance in the optical networking market, both capitalising on surging demand from AI data centres. Applied Optoelectronics reported strong second-quarter 2026 results, with data centre revenues reaching $107.66 million, up 140.4% year over year. The company is benefiting from high-speed transceiver demand, particularly 400G and 800G products. Its CATV segment achieved record revenues of $80.6 million, up 43.8% annually. Lumentum posted a 109% year-over-year revenue surge to $1.01 billion in its fourth quarter of fiscal 2026, marking eight consecutive quarters of growth. The company reported record 800G cloud transceiver shipments and launched 1.6T modules, whilst pump laser shipments increased over 80% annually. Both companies are well-positioned in the expanding AI infrastructure market, though Lumentum shows stronger overall revenue growth.

Yahoo Finance
Aug 19th, 2026
Lumentum CEO sells 5,438 shares for $5M in tax-related transaction

Lumentum CEO Michael Hurlston sold 5,438 shares worth approximately $5 million on 15 August 2026, according to an SEC Form 4 filing. The transaction was non-discretionary, triggered by the vesting of restricted stock units, with shares withheld to cover mandatory tax obligations. The sale represents a 4% reduction in Hurlston's direct holdings, leaving him with roughly 119,000 shares valued at approximately $115.28 million. San Jose-based Lumentum manufactures optical and photonic components for telecommunications infrastructure and data centres. The company has a market capitalisation of $75.4 billion and reported $3 billion in trailing 12-month revenue, though it posted a net loss of $6.9 billion over the same period.

Yahoo Finance
Aug 17th, 2026
Lumentum stock surges 720% in a year as AI boom fuels analyst upgrades

Lumentum Holdings, a San Jose-based manufacturer of optical and photonic products, has seen its stock surge 720.4% over the past year, significantly outpacing the S&P 500's 20.4% gain. In 2026, shares are up 157.9% compared to the index's 13.7% rise. The company's strong performance stems from growing demand for optical components used in AI data centres. Lumentum reported eighth consecutive quarters of revenue growth, with Q4 revenue reaching $1 billion, exceeding Wall Street's $988.6 million forecast. Adjusted EPS of $3.23 also beat expectations of $2.99. The company expects Q1 2027 revenue between $1.2 billion and $1.3 billion, with adjusted EPS of $4.05 to $4.35. The results have prompted widespread analyst price target upgrades, positioning Lumentum as a key hardware enabler in AI infrastructure development.

Yahoo Finance
Aug 17th, 2026
Lumentum surges 13% as AI data bottleneck drives optical component demand beyond memory chips

Lumentum Holdings is emerging as a major beneficiary of AI infrastructure growth, driven by surging demand for optical networking components that rapidly transmit data in AI data centres. Investment firm Rosenblatt Securities projects optical component production capacity could increase 12-fold between 2025 and 2030, yet supply will still trail demand by 50% in 2030. The photonics components supplier reported fiscal Q4 2026 results on 11 August, with revenue jumping 109% year-over-year to just over $1 billion, surpassing analyst estimates of $988 million. Non-GAAP operating margin expanded 21.6 percentage points to 36.6%, whilst adjusted earnings per share rose nearly 3.7 times to $3.23, beating the $2.97 consensus estimate. Shares rose more than 13% following the results announcement.