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# IT/OT Infrastructure Engineer

- **Company:** Intuition IT Solutions Ltd
- **Location:** London, UK
- **Salary:** £104,000.0
- **Contract:** Temporary contract
- **Skills:** Communications Protocols, Ethernet, Supervisory Control and Data Acquisition (SCADA), Laboratory Information Management Systems, Modbus, Message Queuing Telemetry Transport (MQTT), Profibus, OPC Unified Architecture, DataOps, RS-232, Serial Communications, Data Lakes, Templating, Information Technology, Integration Frameworks, Apache Kafka, Multiaccess Edge Computing, GXP
- **Published:** November 5, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-69121A83AE30DBFDFF/

## About the Role

* Strong experience in OT/IT manufacturing systems integration across L1-L4.
 * Good understanding of ISA-95 and manufacturing system architecture.
 * Hands-on knowledge of industrial communication protocols:
 + OPC UA, MQTT, Sparkplug B
 + Modbus, PROFINET, PROFIBUS
 + EtherNet/IP and RS-232/serial communication.
 * Experience integrating MES and/or LIMS platforms.
 * Practical knowledge of PLC, DCS, and SCADA environments.
 * Experience defining technical standards, integration frameworks, and reference architectures.
 * Strong knowledge of industrial data modelling, naming conventions, information hierarchies, and data contextualisation.
 * Excellent stakeholder management, communication, and technical documentation skills.

Desirable Skills & Experience

 * Experience implementing Unified Namespace (UNS) architectures.
 * Exposure to platforms such as HiveMQ, EMQX, Ignition, HighByte, or Kafka.
 * Knowledge of Industrial DataOps and edge computing platforms.
 * Experience integrating robotics, AGVs, and AMRs.
 * Familiarity with laboratory integration standards such as SiLA 2 and AnIML.
 * Understanding of historians, data lakes, cloud platforms, and industrial analytics architectures.
 * Knowledge of ISA-88, IEC 62443, and GAMP 5.
 * Degree in Engineering, Automation, Computer Science, or a related discipline, or equivalent practical experience.

## Description

* Define and maintain L2-to-L3 connectivity standards across PLC, DCS, SCADA, MES, robotics, laboratory instruments, and other manufacturing equipment.
 * Develop reference architectures and integration patterns for industrial equipment and manufacturing systems.
 * Establish UNS information models, including namespace hierarchy, topic naming conventions, payload structures, and ISA-95/ISA-88 alignment.
 * Define standards for data quality, timestamping, event-based data, edge buffering, and store-and-forward mechanisms.
 * Support UNS platform implementation, including broker architecture, connectors, onboarding, and governance.
 * Define integration processes and standards for MES, LIMS, ERP, historians, and analytics platforms.
 * Develop technical documentation, architecture standards, design templates, URS/FS specifications, and testing protocols.
 * Review technical designs, ensure compliance with architecture standards, and provide technical guidance to engineering teams and vendors.
 * Collaborate with OT, IT, cybersecurity, automation, quality, and validation teams.
 * Ensure compliance with GxP, ALCOA+, CSV/CSA, IEC 62443, and Purdue Model security principles.
 * Provide technical leadership, mentoring, and guidance to engineers and system integrators.