IT/OT Integration Architect

Salt Digital Recruitment; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading recruitment agency is seeking an experienced IT/OT Integration Architect to lead integration projects connecting IT and operational technology environments. The successful candidate will have over 15 years of experience, strong cybersecurity knowledge, and excellent communication skills. This contract role offers an opportunity to work on cutting-edge IT/OT convergence projects in London.

Benefits

Collaborative environment

Professional growth opportunities

Qualifications

• 15+ years of experience in IT architecture or OT systems.
• Proven expertise in integrating IT and OT environments.
• Strong understanding of ICS and OT network protocols.

Responsibilities

• Lead IT/OT integration projects, ensuring seamless connectivity.
• Design and implement data flows for analytics and reporting.
• Communicate technical concepts clearly to all stakeholders.

Skills

IT/OT integration

Cybersecurity

Stakeholder management

Network design

Communication skills

Tools

Modbus

OPC UA

PROFINET

Ethernet/IP

Cloud platforms

Job description

Overview

We are seeking an experienced IT/OT Integration Architect with a proven track record in designing, implementing, and securing converged IT and OT environments. The ideal candidate will have deep technical expertise, strong leadership skills, and the ability to drive integration projects across complex industrial ecosystems.

Key Responsibilities

• Lead IT/OT integration projects, ensuring seamless connectivity between IT applications and operational technology systems.
• Design and implement robust data flows to enable analytics, reporting, and informed decision-making.
• Partner with cyber security teams to ensure compliance with international standards and regulations (e.g., IEC 62443, NIST, ISO 27001).
• Assess, mitigate, and continuously monitor cyber security risks within IT/OT convergence.
• Develop and review OT network architectures, including industrial control systems (ICS).
• Implement and manage network segmentation, firewalls, switches, and routing within OT environments.
• Prepare detailed Low-Level Designs (LLD) and Bill of Materials (BOM) documentation.
• Communicate technical concepts clearly and effectively to stakeholders at all levels.

Must-Have Qualifications

• 15+ years of experience in IT architecture, OT systems, or related domains.
• Proven expertise in IT/OT integration across industrial systems and networks.
• Strong understanding of ICS, OT network protocols, and industrial communication standards (e.g., Modbus, OPC UA, PROFINET, Ethernet/IP).
• Hands-on experience in cybersecurity within OT environments, including risk assessments.
• Practical knowledge of network design, segmentation, and security controls.
• Excellent communication and stakeholder management skills.

Nice-to-Have Qualifications

• Industry certifications such as GICSP, CISSP, CCNP, or ISA/IEC 62443.
• Experience integrating OT with cloud platforms (e.g., Azure IoT, AWS Greengrass).
• Familiarity with digital twin and smart manufacturing technologies.
• Exposure to SCADA, DCS, and PLC systems.
• Previous experience conducting plant surveys and site assessments.

What We Offer

• Opportunity to work on cutting-edge IT/OT convergence projects with global client.
• Exposure to next-generation industrial technologies including Cloud, AI/ML, and Digital Twin.
• Collaborative, innovative environment with strong professional growth opportunities.

*Rates depend on experience and client requirements

Job Information

• Job Reference: JO-2509-356042
• Salary:
• Salary per: annum
• Job Duration: 12
• Job Start Date: 08/09/2025
• Job Industries: Cyber Security Jobs
• Job Locations: Greater London
• Job Types: Contract