Senior OT Cybersecurity Engineer​/Specialist

Worley Consulting

Worley Consulting is a global group of consultants, scientists, engineers, and digital experts dedicated to solving the world’s critical infrastructure, environmental, energy, and resource challenges.

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 telecom infrastructure, SCADA, PLC, and DCS platforms. 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.

Candidates should possess extensive experience in OT/ICS security, SCADA system architecture, industrial control protocols, and network segmentation, with a proven track record of safeguarding critical infrastructure, mining, and Oil & Gas production environments.

This is a full-time hybrid position based at a Worley office in the U.S. or Canada: in the United States:
Phoenix, Arizona;
Houston, Texas, or Charleston, West Virginia. In Canada, Calgary/Edmonton, Alberta; or Sudbury/Markham/Sarnia, Ontario.

• Design, develop, and implement comprehensive cybersecurity architectures for operational technology environments in compliance with industry standards and client requirements.
• Conduct security assessments, threat modelling, and risk analysis of SCADA systems, PLCs, and industrial control networks.
• Lead the implementation of security controls, including network segmentation, access controls, and defence 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.
• Assist in new tenders, RFPs, and contract negotiations by providing technical security assessments and recommendations.
• Stay current with emerging OT cybersecurity threats, vulnerabilities, and mitigation strategies through continuous professional development.
• Maintain compliance with all relevant American and international health, safety, environmental, quality, and cybersecurity legislative requirements.

• Significant experience in operational technology (OT) systems, industrial control systems (ICS), or SCADA environments.
• Demonstrated experience in a senior cybersecurity role specifically focused on OT/ICS security, risk and threat assessment, and security architecture design.
• Significant experience in engineering design of green‑ and brownfield projects with operational technology (OT) systems, industrial control systems (ICS), or SCADA environments. Full design project lifecycle from FEED to handover.
• Demonstrated experience in a consultancy role for major clients in the US and Canada.
• Experience leading teams of consultants in a project environment and managing inter‑office…