Senior OT Cyber Engineer: Secure Critical Infra (Remote)

Paradigm Tech; Manchester; Hybrid; GBP 75,000 - 90,000; Full time

Job summary

Paradigm Tech is seeking a Senior OT Cyber Security Engineer to protect critical OT/ICS environments. You will lead security engagements, design secure architectures, and drive risk assessments across complex industrial settings.

The role emphasizes practical OT security expertise, familiarity with industrial protocols, and delivery of secure solutions for critical infrastructure projects.

Qualifications

• Experience in OT/ICS cybersecurity across industrial environments.
• Knowledge of IEC 62443, NIST, or NCSC guidance.
• Experience with OT network security (firewalls, segmentation, monitoring).
• Ability to communicate technical concepts to clients.
• Background in critical infrastructure, energy, manufacturing, or similar sectors.

Responsibilities

• Lead OT/ICS security assessments across industrial environments.
• Design and implement secure network architectures for OT systems.
• Conduct risk assessments, threat modelling, and vulnerability analysis.
• Support incident response and remediation within OT environments.
• Work closely with clients to define and improve their OT security posture.
• Contribute to best practices, standards, and security frameworks.

Skills

OT/ICS security

Threat modelling

Risk assessments

Network security

Industrial protocols

Tools

Modbus

DNP3

OPC

Job description

Paradigm Tech is seeking a Senior OT Cyber Security Engineer to protect critical OT/ICS environments. You will lead security engagements, design secure architectures, and drive risk assessments across complex industrial settings.

The role emphasizes practical OT security expertise, familiarity with industrial protocols, and delivery of secure solutions for critical infrastructure projects.