Custodian

Location: Redwood City, CA Onsite
Department: Operations
Type: Full-time
Posted: February 03, 2026

Job Description

Retro develops therapies for diseases driven by the biology of aging. We focus on cellular reprogramming and autophagy to rejuvenate cell and tissue function with the ultimate aim of adding 10 years to healthy human lifespan.

We’re building a mission-driven team of accomplished and kind individuals who embrace our startup culture of rapid iteration, transparency, and versatility.

We are hiring a Custodian whose primary focus will be keeping our facility clean and in order. You will be a part of the Science Operations team - a close-knit group of dedicated, resourceful humans,  handling all things labs, facilities, and logistics.

About you:

You’re a hands-on caretaker who treats the building like your home - stepping in to keep every corner welcoming, functional, and sparkling clean. Meticulous and resourceful, you follow routines, tackle minor issues before they grow, and pivot effortlessly as needs shift. You have a “find it, fix it” mentality and are always willing to jump in and help where needed, even without being asked.