Job Summary

We are seeking a highly experienced and strategic Senior OT Cybersecurity Engineer to join our team. In this role, you will be responsible for designing, implementing, and overseeing comprehensive cybersecurity solutions for operational technology (OT) environments, including SCADA systems, PLCs, and industrial control systems. You will lead the development of security architectures, conduct vulnerability assessments, and facilitate the implementation of security controls in accordance with industry standards and regulatory requirements.

Responsibilities

Design, develop, and implement comprehensive cybersecurity architectures for operational technology environments in compliance with industry standards and client requirements.
Conduct security assessments, threat modeling, and risk analysis of SCADA systems, PLCs, and industrial control networks.
Lead the implementation of security controls, including network segmentation, access controls, and defense mechanisms across OT infrastructure.
Develop and implement OT cybersecurity policies, procedures, and standards aligned with regulatory requirements and best practices.
Perform vulnerability assessments and manage contractors to perform penetration testing on industrial control systems and provide remediation recommendations.
Design and oversee the deployment of anomaly-detection and security-monitoring solutions for OT environments.
Provide technical guidance and mentorship to cybersecurity and OT engineering teams on security best practices and emerging threats.
Collaborate with operational teams to ensure security implementations maintain system availability and performance.
Review and assess third-party OT systems, devices, and integration designs for security compliance and alignment with company standards.
Manage and coordinate security patch management, firmware updates, and security hardening across OT systems.
Lead incident response and forensic investigation activities for security events in operational technology environments.
Prepare comprehensive security reports, risk assessments, and presentations for senior management and stakeholders.
Liaise with vendors, integrators, and external consultants to ensure security requirements are met throughout the project lifecycle.
Stay current with emerging OT cybersecurity threats, vulnerabilities, and mitigation strategies through continuous professional development.
Maintain compliance with all relevant Australian and international health, safety, environmental, quality, and cybersecurity legislative requirements.
Mandatory Skills
Bachelor of Engineering in Electrical, Communications, Control Systems or equivalent degree.
10 years of experience in operational technology (OT) systems, industrial control systems (ICS), or SCADA environments.
10 years of experience in a senior cybersecurity role specifically focused on OT/ICS security, risk and threat assessment, and security architecture design.
Strong knowledge of OT cybersecurity frameworks and standards (NIST) and their implementation.
Demonstrated expertise in leading security assessments, penetration testing, and vulnerability management in operational technology environments.
Advanced knowledge of anomaly detection systems and security monitoring in industrial environments.
Proficiency with security tools, SIEM platforms, and OT-specific monitoring solutions.
Strong project management capabilities and experience managing security budgets and resource allocation.
Preferred Skills
Knowledge of industrial control systems, including PLC programming, SCADA platforms, and distributed control systems (DCS).
Experience managing and coordinating security implementation across multiple OT systems and vendors.
Advanced proficiency in Scripting for security automation and analysis.
Relevant security certifications (CISSP, GICSP, ISA/IEC 62443 Cybersecurity Expert, or equivalent) are highly desired.
Qualifications
Expert verbal and written communication skills with the ability to convey complex security concepts to both technical and non-technical audiences.
Demonstrated ability to work under pressure, manage competing priorities, and maintain focus on accuracy and attention to detail in security-critical environments.
Able to maintain strong relationships with senior management, vendors, and peers while pushing for positive schedule, quality, and strategic outcomes.
Highly organized, reliable, hands-on team player with the ability to lead cross-functional security initiatives.
Proactive, innovative, and forward-thinking approach to emerging security challenges and technology advancements.

TECHNICAL LEAD - OT SECURITY OPERATIONS