Senior Software Developer Engineer in Test (SDET) Controls

About the Company

Standard Bot’s mission is to significantly lower the barrier to entry to real-world automation, bringing the power of bits to the world of atoms and unlocking productivity for entire new industries and users. Our Applications Engineering team drives forward the company’s mission by designing solutions around, installing and supporting Standard Bot’s innovative 6 axis robot.

Responsibilities

• Build and own automated test suites and hardware-in-the-loop infrastructure for controls and industrial-integration (PLC, HMI, fieldbus, I/O)
• Exercise industrial communication protocols in code: Modbus TCP/RTU, EtherNet/IP, EtherCAT, PROFINET, and digital/analog I/O behavior
• Build SW-based simulators and mocks for PLCs, fieldbus devices, conveyors, grippers, and safety hardware
• Fold safety-system integration (e-stops, safety PLCs, light curtains) into automated release validation
• Validate integrations in real time during the sprint, partnering with software and applications engineers
• Hand off maintainable test code and fixtures to Systems Test Engineers and Technicians

Requirements

• 4+ years of experience writing production-quality code in Python, C/C++, or TypeScript
• Deep test-automation and CI/CD experience (Playwright, pytest, or similar)
• Hands-on background with PLC programming and industrial communication protocols (Modbus TCP/RTU, EtherNet/IP, EtherCAT, PROFINET)
• Ability to read electrical schematics and work with signal types (24V digital I/O, 4–20mA analog)
• Experience with test equipment like multimeters and building/wiring test fixtures and PLC cabinets
• Strong debugging skills for networked, distributed, and real-time systems

Preferred Qualifications

• Allen-Bradley, Siemens, or Beckhoff PLC platforms; structured text
• ROS2, Docker, or robotics software stacks
• Hardware-in-the-loop or system-level test automation at scale
• Knowledge of industrial safety standards (ISO 13849, ANSI/RIA 15.06)

Benefits

• Employee Stock Options
• Paid time off
• Medical, dental, and vision insurance
• Life insurance
• Disability insurance
• 401(k)