Senior Automation & Controls Engineer – PLC/SCADA

Siemens; Pomona (CA); On-site; USD 103,000 - 139,000; Full time

Job summary

Siemens in Pomona, CA, is seeking a Senior Automation/Controls Engineer to own the site’s automation systems, architecture, and technology roadmap, leading PLC, HMI, and SCADA development. You will drive AMR and digital manufacturing initiatives from concept to startup and operational support.

You’ll integrate robotics, machine vision, and IT/OT convergence, while mentoring engineers and upholding safety, cybersecurity, and industry standards.

Qualifications

• Bachelor’s degree in Engineering or a related technical field
• 5+ years of experience in industrial automation and controls engineering
• Advanced experience with Siemens PLC platforms, TIA Portal, and STEP 7
• Experience with Node-RED, REST APIs, Python, Java, and software integrations
• Experience with SCADA, MES, and industrial Edge technologies
• Strong knowledge of industrial networking and communication protocols, including Profinet, Ethernet/IP, Modbus TCP, OPC UA, and Profibus
• Proven project leadership, problem-solving, communication, and cross-functional collaboration skills
• Legally authorized to work in the United States on a continual and permanent basis without company sponsorship

Responsibilities

• Owning the site’s automation systems, technical architecture, and technology roadmap while leading the design, programming, commissioning, and support of PLC, HMI, and SCADA control systems.
• Independently driving automation projects—including AMR, PLC, Andon, and digital manufacturing initiatives from concept through startup and operational support.
• Integrating robotics, machine vision systems, autonomous mobile robots (AMRs), and automated equipment into manufacturing processes.
• Driving IT/OT integration and continuous improvement of MES and Edge applications using APIs, Node-RED, and modern software development practices.
• Troubleshooting complex controls, networking, and automation issues to minimize downtime, while partnering with production, maintenance, quality, engineering, and IT teams to improve performance and reliability.
• Mentoring engineers, establishing automation standards and best practices, and ensuring compliance with safety, cybersecurity, and industry standards.

Skills

Industrial automation

Project leadership

Cross-functional collaboration

Problem-solving

Communication

Education

Bachelor's degree in Engineering

Tools

Siemens PLC platforms

TIA Portal

STEP 7

Node-RED

REST APIs

Python

Java

SCADA

MES

Industrial Edge

Profinet

Ethernet/IP

Modbus TCP

OPC UA

Profibus

Job description

Siemens in Pomona, CA, is seeking a Senior Automation/Controls Engineer to own the site’s automation systems, architecture, and technology roadmap, leading PLC, HMI, and SCADA development. You will drive AMR and digital manufacturing initiatives from concept to startup and operational support.

You’ll integrate robotics, machine vision, and IT/OT convergence, while mentoring engineers and upholding safety, cybersecurity, and industry standards.