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Sr. Chemical Engineers, Manufacturing Engineering
Job
Rivian
Normal, IL (In Person)
$116,500 Salary, Full-Time
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Job Description
at Rivian in Normal, Illinois, United States Job Description Sr. Chemical Engineers, Manufacturing Engineering with Rivian Automotive, LLC in Normal, IL. Lead the Chemical Engineering scope required to deliver Rivian's battery production facilities. Be instrumental in the design, simulation, and implementation of fluid, gas, and chemical delivery systems critical to EV battery manufacturing. Work closely with many disciplines and stakeholders in our production including automation, controls, mechanical, facilities, and EHS. Play a key role in standardizing processes, improving system performance, scalability and supporting the commissioning and operation of high-throughput manufacturing lines. Lead process simulation and optimization efforts for gas and liquid utility systems tools such as Aspen HYSYS, Aspen Plus, and dynamic simulation environments to ensure steady-state and transient performance targets are met. Develop detailed heat and mass balances, process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and system-level control strategies for battery manufacturing infrastructure. Predict system responses to dynamic changes during start-up, ramp-up, or process upset conditions. Collaborate with external engineering firms, OEM equipment vendors, and automation teams for design validation, FATs (Factory Acceptance Tests), and system commissioning. Translate process simulations into actionable specifications for instrumentation, control logic (e.g., PLC-based systems), and safety interlocks.