Controls Engineer

Job Overview We are seeking an experienced Controls Engineer with deep expertise in legacy Siemens S7-300 PLCs and SIMATIC STEP 7 (Classic) software to support an automation project for a customer local to our office in Greer, SC.This role focuses on troubleshooting, modifying, and supporting established Siemens automation equipment on-site.

Key Responsibilities Diagnose, modify, and optimize PLC logic on legacy Siemens S7-300 hardware using SIMATIC STEP 7 (v5.x).Troubleshoot automated machine sequences, I/O faults, and communication networks (PROFIBUS / PROFINET).Support on-site floor modifications, process improvements, and line recoveries directly with the customer.

Read and interpret electrical schematics to resolve hardware and wiring-related control issues.

Required Qualifications Siemens S7-300 Expertise:
Proven hands-on programming and troubleshooting experience with Siemens S7-300 series controllers and legacy STEP 7 software.

Industrial Communications:
Solid understanding of PROFIBUS-DP and PROFINET industrial fieldbus protocols.

On-Site Troubleshooting:
Strong ability to diagnose automated machinery downtime independently and execute real-time logic changes.

Location:

Must be local to or within daily commuting distance of Greer, SC (no travel/per diem available).You should be proficient in:

PLC Troubleshooting Skills Troubleshooting Skills Troubleshooting Industrial Automation EquipmentPLC Programming Experience Electrical / Electronic Systems Field Service Readiness Industrial Electrical Systems Machines & technologies you'll use:

Programmable Logic Controller (PLC) (Siemens)