IT/OT Consultant & Architect - Immediate start!

Square One Resources; Greater London; On-site; GBP 108,000 - 148,000; Full time

Job summary

Square One Resources seeks an IT/OT Consultant & Architect for a global technology and engineering organisation. The role delivers UNS/data architecture experience within high-profile manufacturing projects and requires 3 days per week on client site in West London.

Immediate start on a 4-month contract. You will conduct OT assessments, lead workshops, and define scalable OT foundations, including edge, cloud, cybersecurity, integration, and enterprise manufacturing data platforms to enable

Responsibilities

• 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.

Job description

Job Title: IT/0T Consultant & Architect
Location: West London - 3 days a week
Salary/Rate: £690
Start Date: Immediate start!
Duration: 4 months

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.

IT/OT Consultant & Architect - Key Responsibilities

• 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.