IT/OT Architect

Consult; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Consult is seeking an experienced IT/OT Consultant & Architect to drive OT modernization for manufacturing clients. You will conduct multi-site assessments, lead workshops, and define scalable data foundations that span edge, cloud, cybersecurity, and enterprise data platforms.

The role requires designing standardised OT information models, governance, and interoperable data across sites, with on-site commitments in West London three days a week.

Qualifications

• IT/OT architecture and data architecture experience with OT systems.

Responsibilities

• Conduct multi-site OT assessments, maturity evaluations, and discovery activities.
• Lead workshops, site surveys, and stakeholder interviews to analyze OT systems and data flows.
• Define scalable OT Data Foundation and North-Star Architectures for edge, cloud, and manufacturing data.
• Design OT information models, asset hierarchies, naming conventions, and governance.
• Architect industrial connectivity and data integration using OPC UA, MQTT, Historians, and UNS principles.
• Develop transformation roadmaps, standards, deployment strategies, and business cases for OT modernization.

Skills

IT/OT architecture

Data architecture

OPC UA

MQTT

SCADA

PLC

Unified Namespace

Industrial connectivity

Job description

A global technology and engineering organisation delivering digital, infrastructure, and industrial solutions across multiple sectors are looking for an experienced IT/OT Consultant & Architect with excellent UNS/data architecture experience is immediately required by global professional services for high profile manufacturing industry assignment.

Candidates applying must be able to work on client site, 3 days per week in West London.

• Conduct multi-site OT assessments, maturity evaluations, and discovery activities across manufacturing facilities to establish the OT baseline, identify gaps, and define standardization opportunities.
• Lead workshops, site surveys, Gemba walks, and stakeholder interviews to analyze OT systems, industrial networks, data flows, PLC/SCADA/Historian environments, and IT/OT integration landscapes.
• Define scalable OT Data Foundation and North-Star Reference Architectures encompassing edge, cloud, cybersecurity, integration, and enterprise manufacturing data platforms.
• Design and standardize OT information models, asset hierarchies, naming conventions, and governance frameworks to enable consistent, trusted, and interoperable manufacturing data across sites.
• Architect industrial connectivity and data integration solutions using OPC UA, MQTT, Historians, and Unified Namespace (UNS) principles to support real-time data access, enterprise visibility, and AI-ready manufacturing ecosystems.
• Develop transformation roadmaps, technology standards, deployment strategies, and business cases that align OT modernization initiatives with operational excellence, cybersecurity, and digital manufacturing objectives.

Required Skills

it/ot architecture data architecture opc ua mqtt scada plc unified namespace industrial connectivity