Parsons is currently looking for a Senior Instrumentation Engineer to join our water/wastewater consulting engineering group in Pasadena, CA. This role supports project delivery primarily in California. The Senior Instrumentation Engineer provides instrumentation and control engineering services including design, preparation of design drawings and specifications, interdisciplinary review of design documents, construction support service, and commissioning support for control systems associated with wastewater treatment plants and pumping stations. The Senior Instrumentation Engineer will be responsible for designing and overseeing the design of process and instrumentation diagrams, control strategies, control system network diagrams, control system input/output lists, control panel drawings, and commissioning procedures. The Senior Instrumentation Engineer will also be responsible for responding to the contractor’s request for information during the construction of the facility, verifying that equipment meets design specifications, preparing design changes, and supporting startup and commissioning during construction.