Software Engineer

Donatech Corporation; Santa Rosa (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Donatech Corporation seeks a Software & Controls Engineer II to design, develop, and support software and control systems for automated manufacturing and test equipment in Santa Rosa, CA.

The role includes PLC programming, hardware/software integration, instrumentation, sensors, actuators, and equipment communications, collaborating with Engineering, Maintenance, and Production to improve reliability and modernization of manufacturing systems. US Citizenship required; on-site position.

Qualifications

• 1-2 years of experience with PLC programming tools (Siemens TIA Portal, RSLogix, Client Fanuc LogicMaster) and PLC troubleshooting in automation.
• 1-2 years of experience reading electrical schematics, wiring diagrams, I/O lists, and control drawings.
• 1-2 years of experience developing or debugging software for automated manufacturing or equipment control.
• 1-2 years of experience creating or maintaining technical documentation and change-control records.

Responsibilities

• Design, develop, modify, test, and support software and control systems used in automated manufacturing and test equipment.
• Develop and troubleshoot PLC logic, operator interfaces, instrumentation, sensors, actuators, and equipment communications.
• Support maintenance and engineering with root-cause investigations and reliability improvements.
• Document control systems with wiring diagrams, I/O mapping, signal flow, and as-built documentation.
• Support upgrades and modernization of legacy systems, including hardware replacement and software migration.

Skills

Siemens TIA Portal

Allen-Bradley RSLogix

Client Fanuc LogicMaster

PLC troubleshooting

Electrical schematics

Tools

LabVIEW

Job description

Position would require the candidate to be a W2 employee of Donatech. US Citizenship Required. The Software & Controls Engineer II designs, develops, supports, and enhances software and control systems used to manufacture and test thin-film materials and related products at DSI. This position supports automated and electro‑mechanical manufacturing equipment through software development, PLC programming, controls troubleshooting, system documentation, and equipment upgrades. The engineer works closely with Engineering, Maintenance, Production, and other technical teams to improve equipment reliability, resolve technical issues, and support the modernization of manufacturing systems.

Essential Duties and Responsibilities

• Design, develop, modify, test, and support software and control systems used in automated manufacturing and test equipment.
• Develop and troubleshoot PLC logic, control software, operator interfaces, instrumentation, sensors, actuators, and equipment communications.
• Support Maintenance and Engineering teams with equipment troubleshooting root‑cause investigations, corrective actions, and reliability improvements.
• Document control systems by updating wiring diagrams, mapping I/O, documenting signal flow, and creating as‑built technical documentation.
• Support equipment upgrades and legacy system modernization, including hardware replacement, software migration, testing, commissioning, and production release.

Required Skills

• 1-2 years of experience with one or more of the following PLC programming tools: Siemens TIA Portal, Allen Bradley RSLogix, Client Fanuc LogicMaster; PLC troubleshooting, industrial automation, or control‑system support.
• 1-2 years of experience troubleshooting electrical controls, instrumentation, sensors, actuators, motor controls, or electro‑mechanical equipment.
• 1-2 years of experience reading and interpreting electrical schematics, wiring diagrams, I/O lists, control drawings, or mechanical drawings.
• 1-2 years of experience developing, modifying, testing, or debugging software used to control automated equipment or manufacturing systems.
• 1-2 years of experience creating or maintaining technical documentation, wiring diagrams, equipment configuration records, software revisions, or change‑control documentation.

Desired Skills

• PLC programming experience with Siemens TIA Portal, Allen-Bradley RSLogix, Studio 5000, Client Fanuc LogicMaster, or similar PLC platforms.
• LabVIEW programming experience using National Instruments development tools.
• Experience with industrial wiring, control panels, field devices, instrumentation, equipment communications, or conductor termination.
• Experience reverse engineering legacy control systems, mapping I/O points, documenting signal flow, or creating as‑built electrical drawings.
• Experience with equipment upgrades, hardware obsolescence planning, software migration, manufacturing data systems, relational databases, document control, or formal change management.