MES Technical Developer

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