About Relling Systems Hours: 40-60/week. Duration: A minimum commitment of 3–4 months is required. Relling Systems (YC S25) builds ready-to-deploy AI robot workcells for US manufacturers. We design and test in San Francisco and put systems to work on factory floors. This role is in person in Potrero Hill, San Francisco. What you'll do • Help build and test control sequences and sensor interfaces under an engineer's supervision. • Reproduce faults, record measurements and improve commissioning checks. • Own a scoped controls task from test plan to documented result. What we're looking for • Working toward a relevant degree or equivalent practical training. • A controls, electronics or robotics project; explain what you built and how you tested it. • Comfort asking questions before changing hardware and following safe test procedures. How to apply Apply with your resume and a short description of something you built. Project links are optional. Tell us what you owned, what failed and how you tested the fix. Coursework, student teams and personal projects count.