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PLC Software Engineer

Company: VirtualVocations
Location: Vista
Posted on: May 24, 2025

Job Description:

A company is looking for a PLC Software Engineer to support the design, development, and deployment of control software for steam-generating heat pump systems.
Key Responsibilities

Design, develop, and maintain PLC software for Siemens Simatic S7 PLCs and ET 200SP distributed I/O hardware
Develop sequences of operation and integrate PID loops, sensors, and VFDs for continuous control applications
Assist in bench testing, writing commissioning scripts, and troubleshooting PLC software bugs

Required Qualifications

B.S. in Computer Science, Electrical Engineering, or related engineering discipline
5-7 years of experience in software development with a focus on PLC programming
Proficiency in Structured Control Language (SCL) and Function Block Diagram (FBD) according to IEC 61131-3 standards
Experience writing and testing code for Siemens PLCs, with exposure to PID control and VFDs
Familiarity with industrial communication protocols (e.g., PROFINET, OPC-UA, Modbus)

Keywords: VirtualVocations, Costa Mesa , PLC Software Engineer, IT / Software / Systems , Vista, California

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