Principal Controls Engineer
Diamond Foundry
San Francisco, CA, USA
Posted on Oct 4, 2025
Diamond Foundry is looking to bring on a highly skilled Controls Engineer to join our Automation and Advanced Factory Systems team. This person will help design controls and software for our next generation equipment. Collaborating with engineers across various teams, you will design and spec multidisciplinary control systems for the next equipment expansion of the company.
Responsibilities
- Design electrical control panels and document assemblies and systems, including component selection, mechanical layout, cabling, and packaging.
- Write control system code for various PLCs, Controllers, Vision systems, Motor controls, and PC’s to enable start-up, operation, and troubleshooting of new and existing equipment.
- Troubleshoot industrial control/electrical systems, including power supplies, controllers, sensors, PLCs, and other devices.
- Working on multidisciplinary teams to solve complicated problems, design and plan upgrades, and retrofits to improve tool reliability and process capabilities
Requirements
- Bachelor’s degree in Electrical, Controls, Mechanical, or Mechatronic Engineering or similar engineering discipline with 10+ years of hands-on engineering work, including designing, testing, deploying, and troubleshooting control systems in an industrial manufacturing environment; working with electrical systems from three-phase AC power to low-voltage DC board-level signals.
- Hands-on experience designing and building Control Boxes using hand and power tools, and 3D/2D CAD (SolidWorks, AutoCAD, DraftSight). Able to make, read, and edit control schematics and P&ID drawings.
- PLC and controls ladder logic and/or structured text programming experience in one or all of these systems: Automation Direct, Allen Bradley, Siemens, CodeSys. Experience in robotic programming, preferably with Epson, Universal, and Kuka. Also, PC based controls experience, such as Python, Arduino, and ACS.
- Vision system programming experience using Keyance, Cognex, or other vision system tools.
- Understanding of industrial control equipment regulations including NFPA 79, UL 508, and related standards.