Lead OT Security Architect: Build Ground-Up OT SOC

Investigo; Greater London, North East, Glasgow; Hybrid; GBP 100,000 - 130,000; Full time

Job summary

Investigo is seeking a pivotal OT Security Architect to build an OT SOC capability from the ground up. You will define monitoring, detection engineering, incident response and client delivery for critical infrastructure OT environments.

You will shape the service, influence the technology stack, create standards, build playbooks, mentor team members and become the go-to OT expert within the business. This is a rare chance to build something impactful.

Qualifications

• Strong OT / ICS security experience.
• Solid understanding of industrial protocols and Purdue Model.
• Experience protecting manufacturing, energy, utilities or critical infrastructure environments.
• Ability to blend hands-on technical expertise with strategic thinking.
• Confidence to build, influence and lead rather than simply maintain.

Responsibilities

• Building and evolving an OT SOC capability from scratch.
• Designing and refining OT detection use cases, alerting and response processes.
• Leading incident response activities across industrial environments.
• Working with technologies such as Claroty, Dragos, Nozomi, CrowdStrike and SIEM platforms.
• Acting as the technical authority for OT security internally and externally.
• Helping grow the team, sharing knowledge and setting the standard as the capability scales.

Skills

OT security experience

Industrial protocols

Purdue Model

Manufacturing/critical infrastructure

Hands-on and strategic thinking

Leadership and influencing

Tools

Claroty

Dragos

Nozomi

CrowdStrike

SIEM platforms

Job description

Investigo is seeking a pivotal OT Security Architect to build an OT SOC capability from the ground up. You will define monitoring, detection engineering, incident response and client delivery for critical infrastructure OT environments.

You will shape the service, influence the technology stack, create standards, build playbooks, mentor team members and become the go-to OT expert within the business. This is a rare chance to build something impactful.