SYSTEMA Blog

The Role of System Integrators in MES Implementations

Written by Hartmut Dreischke | December 22, 2025

Manufacturing Execution Systems (MES) are foundational to modern high-tech manufacturing. For manufacturers operating in domains supported by Critical Manufacturing MES, including semiconductors, electronics, medical devices and industrial equipment, implementation is not simply an IT rollout. Success requires aligning the MES platform with equipment diversity, factory cadence, regulatory constraints, and long-term operational strategies.

Why System Integrators Are Essential

An MES requires:

  • A clear understanding of production workflows across fabs and tools
  • Extensive integration experience to connect legacy and modern machines with modern MES capabilities
  • An approach that balances regulatory needs with minimal disruption to production

A system integrator serves as a partner to manufacturers adopting Critical Manufacturing’s MES, ensuring that the platform functions as intended in live, high-precision environments. Their role is to support, not replace, internal MES ownership, helping translate platform features into reliable operational behavior.

How Integration Partners Support Critical Manufacturing MES Deployments

Integration needs become most visible at key implementation stages:

  • At the production edge – Equipment acquired across decades of technology cycles must communicate with a modern MES. Integration partners help establish that interoperability.
  • Through the digital backbone – By deploying message-oriented middleware that supports event-driven communication, integrators help manufacturers avoid point-to-point architectures and create consistent, scalable data flows across MES, ERP, equipment, and analytics platforms.
  • During process automation – Recipe execution, dispatching, and validation are automated in controlled increments, ensuring optimizations don’t disrupt throughput.
  • Across distributed IT landscapes – Multiple sites require synchronized decision-making. Integration partners ensure middleware supports accurate, low-latency data exchange between fabs, cloud services, and MES.
  • Through lifecycle support – Post-go-live, integration partners assist with monitoring, refinements, and documentation as production changes require new capabilities and/or functionality.

Use Cases in Practice

Smart WIP Management

Through message-oriented middleware, Critical Manufacturing MES can receive real-time equipment data to support WIP management strategies like dispatching, scheduling, and AI-driven workflows.

Reporting & Analytics

Continuous data delivery enables SPC/APC systems, and AI/ML models to operate in step with actual production states. Decisions reflect current context, not delayed point-in-time snapshots.

Automated Equipment Setup

Recipe and parameter data can be coordinated through the MES without adding operator workload. Consistency improves while adhering to equipment constraints.

Predictive Maintenance with Message Bus Integration

Sensor and MES event data routed through middleware can feed predictive models to anticipate failures. Manufacturers protect uptime and avoid high-cost tool idling.

Cross-Site Coordination

With a message bus enabling shared communication with the MES and other connected systems, fabs can align order, quality, and inventory data, supporting consistent execution across sites.

Beyond Go-Live: Co-Stewardship

Critical Manufacturing’s MES evolves with production maturity. A system integrator supports that evolution by providing:

  • Architectural guidance
  • Equipment connectivity
  • Progressive automation support
  • Visual and operational transparency
  • Migration assurance
  • Application Management Services (AMS)

This shared model protects productivity while adapting to new technologies or product variants.

What Manufacturers Gain from Experienced MES Integration

In regulated and high-value sectors, integration expertise helps manufacturers:

  • Connect MES capabilities without disrupting operations
  • Extend the life of equipment investments
  • Align MES deployments with enterprise IT standards and regulatory requirements
  • Establish communication frameworks that supports scalability and adoption of emerging technologies

MES Success Requires Partnership

Critical Manufacturing’s MES provides the operational platform for manufacturing execution. System integrators ensure the platform operates as designed across real production conditions, multi-site networks, and evolving automation layers.

MES success is achieved through partnership and collaboration between software, production, and integration teams working in tandem to meet the long-term needs of high-precision manufacturing environments.

If you are assessing how to strengthen your MES foundation through equipment integration, middleware alignment, or multi-site coordination, we would be glad to explore your requirements and share what approaches have proven effective in similar environments.