PLC Controls Engineer

MINTH GROUP

. Develop, program, troubleshoot, and maintain Siemens SIMATIC S7-1200, S7-1500, and applicable legacy S7-300/S7-400 PLC systems .

Posted 11/11/2026full-timeLewisburg • Tennessee • United StatesMid-LevelSenior💰 $0 - $95,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Siemens SIMATIC PLC programming and troubleshooting, with proficiency in TIA Portal, STEP 7, and WinCC. Capable of integrating and maintaining automated manufacturing systems while ensuring compliance with safety and quality standards.

Highest-signal resume keywords

Siemens SIMATIC PLC ProgrammingTIA Portal ProficiencyWinCC HMI DevelopmentIndustrial Automation ExperienceElectrical Controls Understanding

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PLC ProgrammingTroubleshootingLadder LogicFunction Block DiagramStructured Control LanguageElectrical Schematics ReadingRoot Cause AnalysisPreventive MaintenanceVersion ControlChange Documentation

Soft Skills

CommunicationProblem-SolvingTeam CoordinationTrainingProject Management

Tools & Technologies

TIA PortalSTEP 7WinCCPROFINETPROFIBUSIndustrial EthernetOPC UAAutomation EquipmentElectrical Diagnostic ToolsControl Panel Designs

Certifications & Qualifications

Bachelor's Degree in Electrical EngineeringControls EngineeringAutomation EngineeringMechatronics Engineering

Industry Keywords

Industrial AutomationManufacturing EquipmentLean5SKaizenIATF 16949Safety PLCsLockout/Tagout ProceduresOEM Delivery ObjectivesProduction Quality Monitoring

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Develop, program, troubleshoot, and maintain Siemens SIMATIC S7-1200, S7-1500, and applicable legacy S7-300/S7-400 PLC systems
Use TIA Portal and STEP 7 for Ladder Logic, Function Block Diagram, and Structured Control Language (SCL)
Diagnose PLC hardware, software, I/O, and communication faults; maintain program backups, version control, and change documentation
Support commissioning, validation, and integration of automated manufacturing equipment
Design, configure, troubleshoot, and maintain Siemens WinCC HMI and SCADA applications
Develop operator interfaces, alarms, status displays, and production monitoring screens
Integrate PLC and HMI/SCADA systems for reliable real-time equipment and process information
Support controls for injection molding, painting, chroming, assembly, and material-handling operations
Troubleshoot automated lines, sensors, actuators, servo drives, VFDs, and control components
Coordinate with Maintenance and Production to resolve downtime, cycle-time losses, and recurring faults while meeting OEM delivery objectives
Configure and troubleshoot PROFINET, PROFIBUS, Industrial Ethernet, and applicable OPC UA interfaces
Integrate PLCs, HMIs, remote I/O, drives, sensors, and MES or production monitoring systems
Maintain accurate network configurations and control-system architecture documentation
Support design, installation, commissioning, startup, and validation of automated equipment
Review electrical schematics, control panel designs, and equipment specifications
Coordinate with vendors and integrators on FAT, SAT, new product launches, and engineering changes
Improve machine uptime, cycle time, OEE, and automation performance
Perform root cause analysis of recurring failures and implement approved corrective actions
Support preventive and predictive maintenance, Lean, 5S, and Kaizen initiatives
Support IATF 16949-aligned processes, customer requirements, error-proofing, traceability, and production quality monitoring
Support safety PLCs, interlocks, emergency stops, guarding, and validated engineering changes
Maintain PLC programs, HMI configurations, electrical drawings, and troubleshooting records
Develop troubleshooting guides and train Maintenance Technicians, Electricians, and Production personnel
Communicate technical risks, project status, and corrective actions to Engineering and plant leadership

Requirements

What you’ll need

Bachelor's degree in Electrical, Controls, Automation, or Mechatronics Engineering, or equivalent technical education and substantial relevant experience
3–5 years of industrial automation, PLC programming, or controls engineering experience
Hands-on Siemens SIMATIC PLC programming and troubleshooting
Proficiency with TIA Portal, STEP 7, and WinCC
Understanding of electrical controls, sensors, actuators, motor controls, PROFINET, PROFIBUS, and Industrial Ethernet
Ability to read electrical schematics and independently diagnose complex manufacturing automation problems
Follow company policies, OSHA requirements, and Lockout/Tagout procedures
Use required PPE and report unsafe equipment or electrical conditions
Validate control changes to protect machine safeguards and personnel
Ability to stand, walk, bend, kneel, and access equipment and control cabinets safely
Occasionally lift up to 50 pounds with assistance as appropriate
Use programming and electrical diagnostic tools in active production environments
Occasional evenings, weekends, overtime, shutdown, and launch support as needed