OT Security Consultant — Hybrid, Client-Facing

83zero Ltd; City Of London; Hybrid; GBP 90,000 - 110,000; Full time

Job summary

83zero Ltd is recruiting an experienced OT Security Consultant to join a well-established cybersecurity team, working with clients across energy, manufacturing, oil & gas, and pharmaceuticals in the UK. The role focuses on securing operational technology environments and delivering practical improvements.

You will conduct OT security assessments, review networks and controls, identify vulnerabilities and develop policies, roadmaps and trusted guidance for clients while working in a hybrid

Qualifications

• Experience in OT/ICS security environments (SCADA/ICS).
• Understanding of OT network architecture and security controls.
• Experience conducting security assessments and gap analyses.
• Familiarity with IEC 62443 or NIST frameworks.

Responsibilities

• Conduct OT security assessments, audits and risk assessments.
• Review OT networks, systems and security controls.
• Identify vulnerabilities and recommend improvements.
• Develop OT security policies, procedures and roadmaps.
• Provide technical guidance and act as trusted advisor to clients.

Skills

OT security

OT network architecture

Risk management

Security assessments

IEC 62443

NIST

Client communication

Job description

83zero Ltd is recruiting an experienced OT Security Consultant to join a well-established cybersecurity team, working with clients across energy, manufacturing, oil & gas, and pharmaceuticals in the UK. The role focuses on securing operational technology environments and delivering practical improvements.

You will conduct OT security assessments, review networks and controls, identify vulnerabilities and develop policies, roadmaps and trusted guidance for clients while working in a hybrid