OT Security Consultant - Hybrid, Client-Focused

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

Job summary

83zero Ltd is seeking an experienced OT Security Consultant to join its cybersecurity team. You will work with clients across sectors such as energy, manufacturing, oil & gas and pharmaceuticals to improve OT security in operational environments.

The role involves conducting assessments, advising on controls, and developing roadmaps while collaborating closely with clients in a hybrid work model.

Qualifications

• Experience in OT/ICS security environments, with exposure to SCADA or industrial control systems.
• Strong understanding of OT network architecture, security controls and risk management.
• Experience conducting security assessments, gap analyses and producing recommendations.
• Familiarity with IEC 62443 or NIST frameworks would be beneficial.
• Excellent communication skills and ability to work directly with clients.

Responsibilities

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

Skills

OT/ICS security

Client-facing

Risk assessments

IEC 62443 familiarity

Job description

83zero Ltd is seeking an experienced OT Security Consultant to join its cybersecurity team. You will work with clients across sectors such as energy, manufacturing, oil & gas and pharmaceuticals to improve OT security in operational environments.

The role involves conducting assessments, advising on controls, and developing roadmaps while collaborating closely with clients in a hybrid work model.