Embedded Firmware & Motion Controls Engineer

Stealth Startup; Austin (TX); On-site; USD 120,000 - 170,000; Full time

Job summary

Stealth Startup in Austin, TX is seeking an Embedded Firmware and Controls Engineer to own the low-level firmware and motion control layer of our large-scale industrial equipment.

You will write embedded code, tune servo drives, implement trajectory planning, and ensure deterministic performance across a mixed PLC and custom electronics environment.

Join a fast-moving, distributed team, travel for vendor visits and on-site commissioning, and help scale our controls standards as we grow.

Qualifications

• Hands-on embedded firmware with hardware integration.
• Experience in motion control, servo tuning, and trajectory planning.
• Proficient with Structured Text and PLC programming.
• Familiarity with RTOS and deterministic control architectures.

Responsibilities

• Develop and maintain embedded firmware using modern languages for custom electronics integrated into industrial manufacturing equipment
• Design and implement motion control systems, including servo tuning, trajectory planning, and closed-loop control
• Write PLC control logic in Structured Text and integrate with machine electrical and mechanical systems
• Work within or alongside real-time operating environments, ensuring deterministic, reliable control at the machine level
• Troubleshoot control and firmware issues across hardware, software, and system boundaries — from logic analysis to live machine debug on the shop floor
• Generate and maintain firmware documentation, version control practices, and controls architecture documentation
• Work directly alongside build technicians, electrical engineers, and mechanical engineers — including remote teammates — to bring up and commission complete machine systems
• Contribute to controls engineering standards and documentation practices as the function scales

Skills

Embedded firmware

Controls engineering

RTOS concepts

IEC 61131-3

PLC programming

Tools

Beckhoff TwinCAT

Job description

Stealth Startup in Austin, TX is seeking an Embedded Firmware and Controls Engineer to own the low-level firmware and motion control layer of our large-scale industrial equipment.

You will write embedded code, tune servo drives, implement trajectory planning, and ensure deterministic performance across a mixed PLC and custom electronics environment.

Join a fast-moving, distributed team, travel for vendor visits and on-site commissioning, and help scale our controls standards as we grow.