Job Summary:

We are looking for an experienced Senior MES Technical Developer with in-depth expertise in Siemens Opcenter Execution (formerly Camstar) to lead the design, development, and deployment of MES solutions tailored for high-tech electronics or semiconductor manufacturing.

Key Responsibilities:

• Lead the development and customization of MES workflows, user interfaces, and logic within Siemens Opcenter Execution.
• Implement unit-level traceability for complex manufacturing processes, including die attach, wire bond, SMT, test, and packaging.
• Customize Opcenter modules using C#, .NET, XML, Camstar APIs, LOVs, and BPM tools.
• Drive integration of MES with equipment data collection systems (FDC, RMS, SPC) for smart manufacturing and AI readiness.
• Collaborate with cross-functional teams (IT, QA, Engineering, Production) to gather requirements and ensure MES functionality aligns with business needs.
• Troubleshoot and resolve MES-related issues, optimize performance, and lead root cause analysis for incidents.
• Support MES upgrades, validation, and deployment across multiple factory locations.
• Mentor junior developers and contribute to MES development standards and documentation.

Required Qualifications:

• Bachelor’s degree in Computer Science, Electronics, or related engineering discipline.
• 5+ years of hands-on experience with Siemens Opcenter Execution / Camstar in a high-volume manufacturing environment.
• Proficiency in C#, .NET Framework, SQL (Oracle or SQL Server), XML/Web Services.
• Strong understanding of semiconductor/electronics assembly and test processes, especially in OSAT/EMS environments.
• Experience in MES integration with equipment automation and factory systems using SECS/GEM, OPC, or MQTT protocols – preferable

Desirable Skills & Tools:

• Equipment interface integration using SECS/GEM, OPC UA, MQTT.
• Knowledge of SPC, FDC, RMS, or AI/ML data pipeline integration with MES.
• Version control (Git), DevOps tools, Agile/Scrum methodologies.

Soft Skills:

• Strong problem-solving and troubleshooting skills
• Excellent communication and cross-functional collaboration
• Leadership mindset with ability to mentor junior developers
• Structured approach to documentation and change control

Preferred Certifications (Optional):

• Siemens Opcenter MES Developer Certification
• Microsoft Certified: Azure Developer / .NET Developer