Automation / Controls Engineer (PLC Integration - Siemens / MES / Robots)
Automation
Control Systems
Data Integration
Electrical Engineering
Engineering
Industrial Automation
Industrial Networking
Mes Integration
Opc Da
Plc Languages
PLC Programming
Programmable Logic Controller
Robotic Automation
Siemens
Siemens Automation
Siemens Plcs
Siemens Step7
System Integration
System Integrations
Systems Integration
Job Description
CAC Staffing is seeking an Automation / Controls Engineer with deep Siemens PLC/ST/LAD programming expertise to support MES integration across a multi-PLC, multi-vendor manufacturing environment. This onsite contract role in Elmira, NY focuses on diagnosing and resolving alarms, faults, and data-flow issues to sustain high production uptime in a fast-paced setting.
Overview
The successful candidate will back high-volume manufacturing operations with a strong foundation in PLC programming, hands-on troubleshooting, and the ability to collaborate across controls, IT/OT, and robotics teams. Experience across multiple PLC platforms and a drive to improve system reliability are key components of this role.
Responsibilities
- Diagnose and resolve PLC alarm events, system faults, and communication problems across multiple machines, robotic cells, and roughly forty networked PLCs
- Analyze, debug, and modify Structured Text (ST) and Ladder Logic (LAD) within Siemens environments, with TIA Portal preferred
- Implement and retrofit a standardized ST-based data collection and communication framework across several PLCs
- Maintain consistent tag structures, naming conventions, and data mapping to support MES integration
- Support and troubleshoot OPC/gateway communication layers between PLCs and MES
- Identify and resolve data integrity, latency, and network communication issues on PROFINET and TCP/IP networks
- Collaborate with manufacturing, IT/OT, and robotics teams to enable system integration and improve uptime
- Optimize PLC code for performance, memory usage, and communication efficiency
- Determine root causes of recurring faults and drive continuous improvement to reduce MTTR and fault frequency
Requirements
- Bachelor’s degree in Electrical Engineering or equivalent experience
- 5+ years of PLC programming and troubleshooting in a manufacturing environment
- Proficiency with Siemens PLCs, with TI Portal (TIA Portal) preferred
- Experience with Structured Text (ST) and working knowledge of Ladder Logic (LAD)
- Experience with MES integration, OPC UA/DA, or similar communication layers
- Familiarity with industrial Ethernet networks (PROFINET, TCP/IP, EtherNet/IP)
- Ability to troubleshoot across PLC logic, control hardware, and network communication layers
- Experience in high-speed or high-volume manufacturing environments
Technologies
- Siemens PLCs (TIA Portal)
- Structured Text (ST)
- Ladder Logic (LAD)
- OPC UA, OPC DA
- Industrial Ethernet networks (PROFINET, TCP/IP, EtherNet/IP)
- MES integration
Preferred Qualifications
- Experience with non-Siemens PLC platforms such as Omron, Mitsubishi, and Inovance
- Experience with robotic systems and automated production cells
- Knowledge of safety circuits, interlocks, and machine safety standards
- Familiarity with SCADA/HMI systems (FactoryTalk View, WinCC, Ignition)
- Experience working in multi-vendor, multi-platform control environments
Why join this opportunity
- Work on complex, large-scale automated manufacturing systems
- Exposure to MES integration, multi-PLC architectures, and advanced automation environments
- Direct impact on production uptime and system performance
- Collaborative, fast-paced engineering environment
Interview Process
- Virtual interview (Zoom or similar)
- Final on-site or technical discussion with the engineering team
Additional Information
- Must be authorized to work in the United States (U.S. Citizen, Green Card, or valid work authorization)
- This is a contract position
Pay
Pay: $60.00 - $110.00 per hour
Work Location
Location: Elmira, NY (onsite)
Similar Jobs
