Full-Time

Senior Firmware & Software Engineer

KLA Corporation

KLA Corporation

10,001+ employees

Provides process-control, inspection, metrology tools

No salary listed

Cardiff, UK

In Person

On-site in Newport, United Kingdom. Occasional travel (<10%) to KLA headquarters or customer sites.

Bachelor's, Master's, PhD

Category
Software Engineering (1)
Required Skills
Software Testing
Git
Data Structures & Algorithms
.NET
C#
Oscilloscope
C/C++

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Requirements
  • Bachelor’s degree (required) plus significant relevant experience
  • Master’s or advanced degree (desired) plus relevant experience in Electrical, Computer, Software, Industrial, or Manufacturing Engineering, or Physics. A software engineer with a strong electrical engineering or hardware background is ideal.
  • A solid understanding and demonstrated track record in the practice of software engineering fundamentals, including architecture, data structures, design patterns, event-driven design, multithreaded and real-time design, testing, and debugging.
  • Experience with Microsoft .NET and C# for Windows desktop application development (WPF and/or WinForms)
  • C and C++ programming, including embedded firmware development
  • Embedded systems and microcontroller firmware, including real-time control and hardware communication protocols (USB, serial/UART, SPI, I2C)
  • Interfacing software and firmware with electronic hardware, and using lab instruments such as oscilloscopes and logic analyzers for debugging
  • Microsoft Visual Studio development environment
  • Source code control systems such as Git
  • Adherence to software design and coding standards
  • Working knowledge of electronics with the ability to read schematics and component datasheets and collaborate effectively with electrical and hardware engineering teams
  • Ability to communicate effectively with peers, interdisciplinary engineering groups, customers, and suppliers, including delivering clear technical presentations
  • Adept at collaborating with teams across the US, Europe, and Asia
  • Self-driven individual with strong technical ability, a systematic approach, and excellent problem-solving skills
Responsibilities
  • Deliver well-defined features/components with high-level guidance: estimate work, communicate risks/tradeoffs, and deliver on schedule
  • Collaborate cross-functionally across the development lifecycle to define architecture and create system- and subsystem-level requirements/specifications
  • Design, implement, and debug embedded firmware (C/C++) for microcontrollers and real-time control of instrument hardware, including communication interfaces such as USB, Ethernet, serial/UART, SPI, and I2C
  • Develop Windows desktop software in C#/.NET (WPF/WinForms) and C++ for instrument control, GUI, and data analysis; write maintainable, multithreaded code and use AI-assisted tools responsibly under company security policies
  • Partner closely with electrical and hardware engineers on board bring-up, signal and schematic debugging, and firmware/hardware co-development using oscilloscopes, logic analyzers, and in-circuit debuggers
  • Build robust unit/integration tests and use profiling to improve performance, memory usage, reliability, and security
  • Participate in design reviews and incorporate feedback from stakeholders and subject matter experts
  • Troubleshoot system/subsystem issues using logs and experiments; contribute to root-cause analysis, implement fixes with guidance, and help prevent recurrence
  • Demonstrate motivation to independently learn and apply new software technologies
  • Travel - Occasional travel may be required to KLA headquarters, customer sites, or other business locations. Travel is expected to be less than 10% of working time.
Desired Qualifications
  • Experience contributing to architecture and design for complex subsystems and influencing technical decisions through strong design and code reviews
  • Experience improving performance and diagnostics/observability for system-level software
  • Experience with RTOS, bare-metal firmware, device drivers, and low-level debugging
  • Familiarity with digital and analog electronics, sensors, motion control, and signal processing
  • Experience collaborating across teams on system integration and software releases for complex systems
  • Experience delivering AI/ML capabilities in products
  • UX skills including wireframing, prototyping, and user flow design

KLA Corporation provides process control and yield management solutions for semiconductor manufacturers. Its offerings include advanced inspection tools, metrology systems, and computational analytics software that together detect defects and help correct process variations in semiconductor fabrication. The equipment and software collect data from production lines and analyze it to identify root causes of defects, enabling manufacturers to adjust processes and improve yields. What sets KLA apart is its integrated portfolio of high-precision hardware, software licenses, and ongoing service contracts aimed at reducing defects and improving reliability across the production cycle, along with a strong emphasis on data-driven analytics. The company’s goal is to help customers produce higher-quality electronic devices more efficiently, and it aims to power its global operations with 100% renewable electricity by 2030.

Company Size

10,001+

Company Stage

IPO

Headquarters

Milpitas, California

Founded

1997

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Simplify Jobs

Simplify's Take

What believers are saying

  • FY2026 revenue reached $13.58 billion, and Q1 FY2027 guidance is $4.0 billion.
  • Advanced packaging process-control revenue targets $1.1 billion in calendar 2026, up over 70%.
  • Free cash flow hit $4.01 billion, funding buybacks and a 17th dividend raise.

What critics are saying

  • China supplied 31.2% of revenue through nine months of fiscal 2026.
  • Reuters reported January 2026 U.S. curbs stopped KLA sales and service to advanced Chinese fabs.
  • If export controls widen, KLA loses service revenue, installed-base pull-through, and China share permanently.

What makes KLA Corporation unique

  • KLA's 58% process-control share makes it the semiconductor tax collector at advanced nodes.
  • It leads advanced wafer-level packaging process control, winning hybrid-bonding and HBM complexity.
  • Services and software monetize installed tools, reinforcing switching costs across fabs worldwide.

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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

Wellness Program

Paid Vacation

Paid Holidays

Family Planning Benefits

Growth & Insights and Company News

Headcount

6 month growth

18%

1 year growth

18%

2 year growth

18%
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.

Yahoo Finance
Jun 8th, 2026
KLA beats Q3 expectations but stock drops 5% despite strong AI-driven semiconductor demand

KLA Corporation delivered strong Q3 FY26 earnings, beating revenue, earnings and gross margin expectations, yet shares fell over 5% as investors questioned near-term earnings conversion. The company holds 58% market share in process control and is benefiting from AI-driven manufacturing complexity, with advanced packaging expectations nearly doubling. However, KLA's 11% growth lagged behind peers like Lam Research, which grew 24%, highlighting sequencing risk as deposition and etch tools lead before inspection demand fully materialises. Non-GAAP gross margin of 62.2% is expected to decline to 61.75% due to DRAM costs, tariffs and mix effects. Trading at 37 times forward earnings, analysts suggest fair value around $1,780. The structural bull case remains intact, with KLA positioned as the "tax collector" of semiconductor manufacturing as complexity increases.