Senior OT/ICS Security Consultant & Team Lead

NCS Pte Ltd; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

NCS Pte Ltd is seeking an experienced security consultant specializing in OT/ICS to join our team. The ideal candidate has 10+ years in information security and will lead engagements, assess threats, and advise clients on security posture.

You will drive business development, lead presales, manage senior stakeholders, and build trusted relationships while delivering high-quality reports and playbooks. Singapore-based Government/CII experience is advantageous.

Qualifications

• Minimum of 10 years in information security with substantial OT/ICS security experience.
• Demonstrated track record in business development, presales, or practice growth—building client relationships that convert to revenue.
• Experience in Singapore-based Government and/or Critical Information Infrastructure (CII) projects is a plus.

Responsibilities

• Lead and develop a team of consultants to deliver OT/ICS security engagements, providing coaching, quality assurance, and technical direction.
• Serve as engagement lead and primary escalation point on complex or high-value projects, ensuring deliverables meet quality, timeline, and margin expectations.
• Manage multiple concurrent projects and delivery teams, balancing resourcing, utilisation, and client priorities.
• Conduct and oversee security assessments and audits to identify threats, vulnerabilities, risks, and control gaps in ICs/OT environments.
• Develop security policies, procedures, and standards, as well as incident response plans, procedures, and playbooks.
• Perform cyber threat modelling and develop cyber threat profiles based on relevant threat actor TTPs.
• Design scenarios for cybersecurity Table-Top Exercises (TTX) and facilitate delivery for ICs/OT clients.
• Perform security architecture reviews on ICs/OT systems to identify control gaps and advise on remediation roadmaps.
• Develop and optimise methodologies, frameworks, workpapers, report templates, and tools to improve consistency, quality, and efficiency of service delivery.
• Prepare and review high-quality reports and documentation for clients.
• Stay updated with the latest cybersecurity trends, threats, regulatory developments, and technologies affecting ICs/OT environments.

Skills

OT/ICS security

Business development

Presales

Team leadership

Executive communication

Education

Degree or higher in Cybersecurity, Computer Science, Engineering, or Information Systems

Job description

NCS Pte Ltd is seeking an experienced security consultant specializing in OT/ICS to join our team. The ideal candidate has 10+ years in information security and will lead engagements, assess threats, and advise clients on security posture.

You will drive business development, lead presales, manage senior stakeholders, and build trusted relationships while delivering high-quality reports and playbooks. Singapore-based Government/CII experience is advantageous.