Principal OT Consultant

lacuna-talent; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Flexible working

Pension scheme

Life assurance

Share save scheme

Maternity/paternity leave

Green car/cycle schemes

Wellbeing support

Learning & development

Inclusive culture

Job summary

lacuna-talent is seeking a Principal OT Consultant to lead cyber security services across ICS/SCADA environments. You will manage client relationships, oversee delivery teams, and contribute to the growth of global OT capabilities alongside the OT Director.

Hybrid role based in London or Manchester with on-site at client locations as required. Strong leadership, security framework expertise, and a track record delivering OT projects are essential.

Qualifications

• Proven experience leading OT security projects in critical infrastructure.
• Strong knowledge of OT/ICS security frameworks.
• Experience delivering to international teams.
• Excellent written and verbal communication.
• Security clearances eligibility.

Responsibilities

• Deliver OT cyber security services including architecture, assurance, and engineering.
• Assess design and implement security controls for industrial environments.
• Conduct risk assessments and gap analyses using NIST and IEC 62443.
• Translate findings into business-focused reporting and remediation plans.
• Guide delivery teams and oversee project execution.
• Stay current on OT threats, vulnerabilities, mitigations.
• Support international teams and attend client sites when required.

Skills

ICS/SCADA expertise

OT/IT convergence

NIST IEC 62443

Team leadership

Consulting experience

Technical reporting

OT project delivery

Security certifications

Education

STEM degree or equivalent

Job description

Location:Hybrid in London orManchester, with on-site work at client locations as required.

We are working with a global client seeking a Principal OT Consultant to lead and deliver cyber security services across industrial control system (ICS) and SCADA environments. The role involves managing client relationships, overseeing delivery teams, supporting business development efforts, and contributing to the growth of global OT capabilities alongside the OT Director.

Key Responsibilities:

• Deliver OT cyber security services, including architecture, assurance, and engineering


• Assess, design, and implement security controls for industrial environments


• Conduct risk assessments and gap analyses using frameworks such as NIST and IEC 62443


• Translate technical findings into business-focused reporting and remediation plans


• Guide delivery teams and oversee project execution


• Stay current on OT-specific threats, vulnerabilities, and mitigations


• Support international teams and attend client sites when required

Required Skills:

• Strong expertise inICS/SCADA and OT/IT convergence


• Practical experience with NIST, IEC 62443, and related standards


• Proven team leadership and consulting experience


• Excellent written, verbal, and presentation skills


• Certifications such as GIAC GICSP, IEC 62443


• Experience delivering OT projects within critical national infrastructure environments

Preferred Qualifications:

• CISSP, CISM, CRISC, CISA, ISO 27001 LI/LA


• STEM degree or equivalent industry experience


• Demonstrated experience in team development and people management


• Eligibility for Security Clearance

Benefits Include:

• Flexible working arrangements


• Pension, life assurance, and share save scheme


• Maternity and paternity leave


• Community and volunteering programmes


• Green car and cycle schemes


• Modern offices


• Wellbeing and mental health support


• Ongoing learning and development


• Inclusive and collaborative culture