Graduate Validation Engineer

Cirrus Logic, Inc.; City of Edinburgh; On-site; GBP 50,000 - 90,000; Full time

Benefits offered by this job

On-site gym

Deli

Job summary

Cirrus Logic, Inc. in Edinburgh, UK is seeking a talent for our Validation Engineering team to contribute to pre‑silicon emulation and post‑silicon validation. You will help bring groundbreaking mixed‑signal audio chips to market with low power, high efficiency and platform‑level functionality.

You will work in a collaborative, fast-paced environment with a culture of inclusion. The role offers hands-on lab work, design collaboration, and opportunities to develop validation frameworks and

Qualifications

• Bachelor's degree or equivalent in electronics or computer science.
• Experience in FPGA-based emulation, synthesis and pre/post-silicon validation.
• Hands-on lab equipment experience (oscilloscopes, signal generators, audio analyzers).
• Strong problem solving and attention to detail.

Responsibilities

• Develop and execute bench level tests during pre‑silicon and post‑silicon phases to ensure datasheet conformance.
• Identify design corner cases and elusive bugs beyond the datasheet.
• Create validation plans for IP and chip‑level tests with design and systems engineers.
• Develop test cases and usage models that stress assumptions of designers.
• Build automated test framework and regression suites in Python, MATLAB, or LabVIEW.
• Collaborate to improve Cirrus Logic validation methodologies.
• Work with IC Design, Systems, and Application engineers to understand use cases.
• Perform circuit simulation to support board design.
• Design PCB schematics and review layouts before fabrication.
• Debug analog/digital silicon, board, and software/hardware tools issues.
• Analyze test results using Spotfire to identify defects.

Skills

FPGA emulation

Verilog

Validation automation

Audio processing

Education

Bachelors in Electronics/CS

Tools

LTSpice

Git

Perforce

Spotfire

LabVIEW

Job description

For over four decades, Cirrus Logic has been propelled by the top engineers in mixed-signal processing. Our rockstar team thrives on solving complex challenges with innovative end‑user solutions for the world's top consumer brands. Cirrus Logic is also known for its award‑winning culture, built on a foundation of inclusion and fairness, meaningful community engagement, and delivering enjoyable employee experiences at every turn. But we couldn’t do it without our extraordinary workforce – and that’s where you come in. Join our team and help us continue to make Cirrus Logic an exceptional place to grow your career!

We have a fantastic opportunity for a talented engineer to join our Validation Engineering team. You will be a major contributor of the pre‑silicon emulation/post‑silicon validation team, passionate about bringing groundbreaking Mixed Signal Audio chips to market. Our high‑performance chips enable an incredible audio experience with highly coordinated, platform level functionality while delivering the lowest power consumption and highest efficiency.

You will work in a fast paced, multifaceted and creative environment and quickly become a valued part of our team. We are proud of our dynamic and creative culture, where ideas are listened to and collaboration is part of our nature. Our benefits offering includes an on‑site gym, deli, development driven by you, and an environment that rivals the best in the world. Join us now on our global journey, where we strive to push limits and build ground‑breaking technology for consumer markets across the globe!

Key Responsibilities

• Develop and execute bench level tests according the validation plan during pre‑silicon and post‑silicon phases to ensure product meets functionality and performance as per the datasheet
• Think beyond the datasheet and around design corners to find elusive bugs
• Develop validation plans for IP and chip‑level test cases from datasheet and in consultation with design and systems engineers
• Develop test cases and customer usage models that may violate the assumptions of designers and systems engineers
• Develop automated test framework, regression test suites in Python, MATLAB and/or LabVIEW to optimize validation efficiency
• Work with validation peers to implement standard methodologies and continuous improvements to Cirrus Logic validation methodologies
• Collaborate closely with IC Design engineers, System engineers and Application engineers to understand requirements and use cases
• Perform circuit simulation to support board design
• Design PCB schematics and collaborate with layout engineers to review board layouts before being released for fabrication
• Debug analog/digital silicon issues, board issues and Validation software/hardware tools issues
• Analyse test results and identify failures/defects using business intelligence tools such as Spotfire

Required Skills and Qualifications

• Bachelors degree in Electronics, Computer Science or other related subject areas, and/or relevant proven experience in a related field
• Proven background in areas such as FPGA‑based emulation, synthesis, Verilog, pre and/or post silicon validation, mixed‑signal IP block design/validation, audio related signal processing and algorithm, validation related automation framework
• Solid hands‑on experience in lab equipment such as oscilloscopes, signal generators, audio analyzers, logic analysers, spectrum analysers for measurement and debugging issues
• Sound electrical engineering knowledge in analog, digital, power electronics or audio engineering. This includes mixed signal building blocks such as ADC, DAC, PLLs, amplifiers, signal processing and measurement, IC control/communication protocols
• Self‑motivated with excellent problem solving skills and attention to detail - you will need to understand silicon, board and software interactions
• A highly driven approach to problem solving

Preferred Skills and Qualifications

• Experience in areas such as post silicon validation, mixed‑signal IP block design/validation, audio related signal processing, power management and algorithm, validation related automation framework
• Experience using simulation tools such as LTSpice to support circuit design
• Experience in various automation framework hardware tools (FPGA, DSP, NI Data Acquisition) or software tools/languages (Scripting languages such as C and Python, SQL, test sequencers such as NI Teststand, Spotfire, schematic capture tools)
• Shown Proficiency in system understanding of various industry interface standards such as I2C, SPI, USB, I2S, TDM or high‑speed control/data bus as example
• Experience in version control tools such as Git, SVN and Perforce

This position is based in our Edinburgh office, UK

You must be based within commutable distance of the work location listed on the job posting, or willing to relocate prior to beginning employment with Cirrus Logic.

Export control restrictions based upon applicable laws and regulations would prohibit candidates who are nationals of certain embargoed countries from working in this position without Cirrus Logic first obtaining an export license. Candidates for this role must be able to access technical data without a requirement for an export license. We are unable to sponsor or obtain export licenses for this role.

At Cirrus Logic, we believe that diversity drives innovation, and we are committed to encouraging an open and collaborative culture where different approaches, ideas, and points of view are respected and valued. We aim to promote a workplace where everyone can contribute irrespective of race, colour, national origin, religion or belief, gender or gender identity, sexual orientation, age, marital status, pregnancy status, or disability.