R‑Zero is seeking a Senior Solutions Engineer to drive the technical pre‑sales motion for our Occupancy sensors and DCV platform in commercial buildings. This customer‑facing, sales‑forward role blends mechanical engineering judgement with strong communication, partnering with Sales Directors to qualify buildings and translate HVAC complexity into clear business value.

As a senior pre‑sales engineer on the Solutions team, you will own the technical journey from first call through handoff, scope