Associate Controls Engineer

Associate Controls Engineer

Ridgeville, South Carolina, United States

Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded in 2017, we're delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.

We are seeking an Associate Controls Engineer who is passionate about pushing beyond the cutting edge of the industry to design, build, and debug best-in-class controls systems for Redwood's battery recycling operations. This engineer will play a critical role in designing, commissioning, scaling, and supporting all of Redwood's recycling facilities working at the intersection of chemical process engineering, industrial automation, and software development.

• Designing and implementing real-time control software in C++ for embedded and industrial systems
• Developing automation tools, diagnostics, and orchestration scripts in Python
• Writing, optimizing, and troubleshooting Structured Text (IEC 61131-3) for PLCs and industrial controllers
• Building deterministic control loops, state machines, and safety-critical routines
• Integrating software with sensors, actuators, drives, and industrial communication networks
• Troubleshooting complex issues involving timing, concurrency, hardware interfaces, and industrial protocols on manufacturing systems
• Conducting root-cause analysis for field issues and implementing long-term fixes
• Collaborating with controls, electrical, and process teams to translate requirements into robust software design

• Bachelors degree in software, electrical, automation, or similar engineering degree
• Proficiency in modern C++ for real time or embedded systems
• Experience with Python for automation, tooling, or data processing
• Hands on experience writing Structured Text for PLCs or industrial controllers
• Understanding of deterministic execution, concurrency, and hardware software interaction
• Experience with industrial protocols such as Modbus, Ether Net/IP, OPC UA, or PROFINET
• Proven ability to successfully work in a team environment to solve complex engineering problems
• Strong debugging skills across software, hardware, and network layers
• Excellent communication and collaboration skills

• Experience with motion control, robotics, or process automation
• Familiarity with embedded Linux, RTOS environments, or microcontroller development
• Knowledge of industrial cybersecurity standards or best practices
• Experience with simulation tools, digital twins, or hardware-in-the-loop testing
• Background integrating C++ runtimes with PLC or SCADA systems

The position is full-time. Compensation will be commensurate with experience.