Electrical Engineer Intern (Summer 2025)

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.
The Role
Proto is accelerating the world's transition to an open economy with products that increase access and independence for everyone. We're building Bitkey, a simple and safe self-custody bitcoin wallet that will put customers in control, as well as hardware and software that will help decentralize bitcoin mining and enable new and innovative use cases for bitcoin mining. We're developing these products in the open - you can read more about them at bitkey.build and mining.build. Within Proto, our Bitcoin Products team delivers the product and go-to-market strategy, software, firmware, and custom silicon needed to make Bitkey and our ambitious mining initiatives a reality. Come build the future of money with us!
We are currently looking for a Silicon Validation/System Engineer Intern, with a background in ASIC and hardware testing to join our team. In this role, you will be responsible for ensuring the quality and reliability of our ASIC mining products.
Position is ONSITE ONLY in our North York/Toronto office!
You Will

• Become intimately familiar with Block's hardware products and ASIC development cycles.
• Test out the latest research technologies for our next-generation mining product.
• Analyze test data, prepare test reports, and make recommendations for improvements.
• Write and debug engineering automation scripts for the lab.
• Utilize electronic measurement equipment to perform accurate and precise tests.
• Create and execute test cases for ASIC characterization.
• Assist in developing and implementing test procedures for manufacturing processes and products.
• Support continuous improvement initiatives by identifying areas for process optimization.
• Collaborate with cross-functional teams to ensure products meet specifications
• Reach beyond boundaries to make Block's products better wherever you see the chance.

You Have

• Pursuing a degree in Computer Engineering, Electrical Engineering, Industrial Engineering, Mechatronics or related technical field, graduating between between December 2025 and June 2027
• Familiar with Python, or similar scripting language
• Knowledgeable of statistics, and have experience utilizing statistical methods for data analysis to derive meaningful insights.
• Eager to apply methodical engineering problem-solving skills to dig into challenges that are outside of your expertise.
• Collaborative and able to effectively work in a team, ask questions, and share information to solve problems.
• Adaptable, with the ability to quickly learn new concepts, technologies, and methodologies, and adjust to changing project requirements or priorities.

Even better if you have:

• Experience with measurement systems automation.
• Familiar with hardware lab equipment for test and measurement (e.g. oscilloscope, power supply, function generator, spectrum analyzer, DMM, etc.), or prototyping (Soldering, Raspberry Pi, Arduino, 3D printing, powertools, etc.)

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We also consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.
We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations throughout the recruitment process. If you require an accommodation, let your recruiter know. Want to learn more about what we're doing to build an inclusive workplace? Check out our Inclusion & Diversity page .
Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering. Check out our other benefits at Block.
Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone.