Building Mechanical Engineer II — HVAC & Water Systems (CA)

Jacobs, based in California, is seeking a Mid-Level Building Mechanical Engineer to join the Infrastructure Design team. You will design HVAC, plumbing, and fire protection systems for water, wastewater, and industrial facilities, collaborating with architects, engineers, and clients.

You will lead calculations, prepare drawings and specs, mentor junior staff, manage budgets, and support field teams during construction.