K

KLA

High-precision semiconductor inspection and metrology tools

Staff Optical Engineer

Full-TimeUpdated on 10/2/2026
$141.3k - $207.2k/yr+ Performance incentive programs + Employee stock purchase program
Senior, Expert
Bachelor's, Master's, PhD
Milpitas, CA, USA
In PersonInternational travel up to 15% required.
Company Historically Provides H1B Sponsorship

About the job

Requirements
  • Doctorate degree and 3 years of related work experience, or a master's degree and 6 years of related work experience, or a bachelor's degree and 8 years of related work experience.
  • Solid background in optics, including imaging system aberrations, Fourier optics, polarization, and radiometry.
  • Experience developing architectures or new concepts for complex, high-precision optical imaging or measurement systems.
  • Experience modeling optical performance of as-built systems by developing error budgets, alignment and metrology processes for high-precision opto-mechanical assemblies and optical systems using CodeV or LightTools.
  • Proficiency in MATLAB or Python for image processing and data analysis.
  • Effective written and verbal communication skills.
  • Willingness to travel internationally up to 15%.
Responsibilities
  • Identify, develop, and document optical system requirements by communicating with key suppliers and internal teams such as marketing, technology, and systems engineering.
  • Lead or support proposals for subsystem architecture.
  • Translate requirements into optical architecture features, error budgets, and required metrology.
  • Conduct feasibility studies through various optical analyses.
  • Design new parts, modules, and system integration processes and tooling.
  • Test, qualify, and release optics, opto-mechanical modules, and complete subsystems.
  • Work with suppliers to specify acceptance criteria and improve incoming material quality.
  • Lead efforts to resolve complex problems for prototype and released systems.
Desired Qualifications
  • A self-starter with intellectual curiosity and a desire to grow by acquiring new knowledge and skills in multidisciplinary hardware technologies.
  • Detail-oriented, methodical problem-solving and critical-thinking skills.
  • Ability to work effectively with others in either a leading or supporting role.

About the company

KLA provides process control and yield management solutions for semiconductor manufacturers, offering high-precision inspection tools, metrology systems, and computational analytics software to monitor production and detect defects. Its products inspect wafers, measure critical features, and analyze data to identify deviations, enabling adjustments that raise yields and improve device performance. KLA differentiates itself with an integrated hardware-software-services suite focused on defect detection and yield optimization, backed by long-term service contracts and licenses. The company aims to power global operations with 100% renewable electricity by 2030, with the goal of helping semiconductor makers achieve higher yields and more reliable production.

Company Size

10,001+

Company Stage

IPO

Headquarters

Milpitas, California

Founded

1975

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Simplify's Take

What believers are saying

  • July 28, 2026 guidance called for $4.0 billion Q1 FY2027 revenue.
  • Advanced packaging revenue target rose from $635 million in 2025 to $1 billion in 2026.
  • KLA returned $3.35 billion to shareholders in fiscal 2026 and approved another $7 billion.

What critics are saying

  • China produced 29.8% of fiscal 2026 revenue; BIS restrictions already capped growth.
  • Export controls hit advanced technology transactions, and November 2026 rule changes threaten sales.
  • A prolonged AI capex pause and China cutoff would break growth and compress valuation.

What makes KLA unique

  • KLA's September 2026 advanced packaging portfolio spans wafers, panels, and components.
  • July 28, 2026 results showed $13.58 billion revenue and $3.77 billion free cash flow.
  • KLA's process control is essential for sub-2nm and AI chip manufacturing complexity.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

401(k) Retirement Plan

401(k) Company Match

Employee Stock Purchase Plan

Student Loan Assistance

Tuition Reimbursement

Wellness Program

Mental Health Support

Paid Vacation

Paid Holidays

Parental Leave

Growth & Insights and Company News

Headcount

6 month growth

↑ 19%

1 year growth

↑ 19%

2 year growth

↑ 19%
Yahoo Finance
Oct 1st, 2026
Chip equipment makers eye $229B windfall as AI drives 2nm expansion

Global chip equipment sales are forecast to reach a record $229.5 billion in 2028, according to industry trade group SEMI. Four companies dominate different stages of chipmaking: ASML makes lithography machines that print circuit patterns, Applied Materials and Lam Research produce tools that deposit and carve chip layers, whilst KLA specialises in inspection equipment. ASML holds a monopoly on extreme ultraviolet machines used for advanced chips, capturing roughly a quarter of chipmaker capital spending. Applied Materials trades at about 29 times forward earnings, the cheapest of the four. Lam recently posted its highest gross margin in 20 years. KLA trades at approximately 36 times forward earnings, the priciest valuation in the group. All four companies hold Strong Buy or Buy ratings from analysts.

PR Newswire
Jul 28th, 2026
KLA reports Q4 revenue of $3.66B, forecasts Q1 revenue of $4B as AI infrastructure drives demand

KLA Corporation reported fourth quarter fiscal 2026 revenues of $3.66 billion, above the midpoint of guidance. GAAP diluted earnings per share came in at $1.04, whilst non-GAAP diluted EPS reached $1.05, both at the upper end of guidance. For the full fiscal year ended 30 June 2026, the semiconductor equipment manufacturer posted revenues of $13.58 billion and GAAP diluted EPS of $3.66. Operating cash flow for the year totalled $4.14 billion, with free cash flow of $3.77 billion. The company returned $3.35 billion to shareholders during fiscal 2026 through dividends and share repurchases. KLA completed a ten-for-one stock split on 11 June 2026. For the first quarter of fiscal 2027, KLA expects revenues of $4.0 billion, plus or minus $200 million, with non-GAAP diluted EPS projected at $1.16, plus or minus $0.10.

Yahoo Finance
Jul 27th, 2026
KLA stock pulled back 15% before earnings, but analysts see 9.4% upside

KLA is set to report quarterly earnings Tuesday after the bell, with analysts expecting 13.7% year-on-year revenue growth. The semiconductor equipment maker's shares closed at $210.52, down 15% over the past month but still up 16% over 90 days. The most popular valuation framework suggests KLA is 9.4% undervalued, placing fair value at $232.43 per share. That outlook assumes multiyear AI-driven wafer fabrication spending will remain durable, supported by government incentives and increasing process complexity. Estimates have been broadly reaffirmed over the past month, meaning this earnings report will serve as a check on whether KLA is meeting current expectations for the semiconductor equipment cycle. The valuation relies on continued revenue expansion, rising margins, and a premium earnings multiple through 2026. Risks include potential tariff pressure on margins, weaker China demand, and tighter export controls.

Yahoo Finance
Jul 14th, 2026
KLA Corporation leads with 41.7% margin while Covista and Matson underwhelm

KLA Corporation stands out as a profitable long-term investment, whilst Covista and Matson underwhelm, according to StockStory analysis. KLA Corporation, a leading supplier of semiconductor inspection equipment, demonstrated strong fundamentals with a 41.7% operating margin and 15.2% annual revenue growth over five years. Its 30.5% free cash flow margin provides flexibility for capital deployment. Covista, formerly DeVry Education Group, showed concerning signs with 15.2% annual sales growth below sector averages. Its free cash flow margin is expected to contract by 3.8 percentage points, whilst its 9% return on capital suggests difficulty finding profitable growth opportunities. Matson, an ocean transportation provider, posted disappointing 3.3% annual revenue growth over two years. Its free cash flow margin shrank by 13.2 percentage points over five years, indicating increasing capital consumption to maintain competitiveness.

Yahoo Finance
Jun 19th, 2026
KLA Corporation stock surges 109% in six months on strong financials and 40% operating margin

KLA Corporation, a leading supplier of semiconductor chip measurement and inspection equipment, has seen its stock price surge 109% over the past six months, reaching a new 52-week high of $260.62 per share. The company has demonstrated strong financial performance across multiple metrics. Its revenue grew at 15.2% annually over the past five years, outpacing the average semiconductor company. KLA Corporation has maintained elite profitability with an average operating margin of 40% over the last two years. The company's free cash flow margin averaged 30.5% over the past two years, ranking amongst the best in the semiconductor sector. Formed in 1997 through a merger of two semiconductor yield management companies, KLA Corporation continues to dominate its niche market with equipment essential for chip manufacturing quality control.