Senior OT Cybersecurity Engineer/ Specialist

Americas

Worley Consulting. Be part of the solution.

Overview 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 partner with our customers to find solutions that create value over the life of their assets, implement new technologies to run assets more efficiently, secure and safeguard social license, support local communities and accelerate the energy transition. We evaluate options, identify opportunities and risks to support our customers’ decision making; assist with asset strategy and selection, business case preparation, concept and feasibility studies, technology evaluation, energy strategies and asset operational excellence.

Purpose We are seeking a highly experienced and strategic Senior OT Cybersecurity Engineer to join our team. The role involves designing, implementing and overseeing comprehensive cybersecurity solutions for OT environments, including telecom infrastructure, SCADA, PLC and DCS platforms. Responsibilities include developing security architectures, conducting vulnerability assessments and facilitating implementation of security controls in line with industry standards and regulatory requirements. Candidates should have 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.

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.

Overall Responsibilities and Key Accountabilities

Design, develop and implement comprehensive cybersecurity architectures for operational technology environments.

Conduct security assessments, threat modelling and risk analysis of SCADA systems, PLCs and industrial control networks.

Lead 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; provide remediation recommendations.

Design and oversee 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.

What You Will Bring – Technical and Industry Experience

Significant experience in operational technology (OT) systems, industrial control systems (ICS) or SCADA environments.

Senior cybersecurity role focused on OT/ICS security risk and threat assessment and security architecture design.

Experience in engineering design of green‑ and brownfield projects with OT systems; full design lifecycle from FEED to handover.

Consultancy experience for major clients in the US and Canada.

Leadership of consultant teams and inter‑office work management.

Knowledge of PLC, SCADA, DCS platforms and industrial control systems.

Comprehensive understanding of industrial protocols (Modbus, Profibus, EtherCAT, OPC, DNP3) and network segmentation strategies.

Knowledge of OT cybersecurity frameworks and standards (ISO27001, NIST CSF and SPs Frameworks, ISA/IEC62443, CIRCIA Act) and their implementation in engineering design.

Experience leading security assessments, penetration testing and vulnerability management in OT environments.

Expertise in zero‑trust architecture, micro‑segmentation and defense‑in‑depth strategies for OT systems.

Advanced knowledge of anomaly detection systems and security monitoring in industrial environments.

Experience managing security implementation across multiple OT systems and vendors.

Proficiency with security tools, SIEM platforms and OT‑specific monitoring solutions.

Advanced proficiency in Python, SQL and scripting languages for security automation and analysis.

Relevant security certifications desired (CISSP, GICSP, ISA/IEC 62443 Cybersecurity Expert or equivalent).

Strong project management capabilities and experience managing security budgets and resource allocation.

Expertise in writing risk and threat assessment reports and conducting workshops with clients.

Soft Skills

Expert verbal and written communication skills, conveying complex security concepts to technical and non‑technical audiences.

Ability to work under pressure, manage competing priorities and maintain focus on accuracy and attention to detail.

Strong relationships with senior management, vendors and peers while driving positive schedule, quality and strategic outcomes.

Confidentiality and protection of sensitive security information and intellectual property.

Highly organized, reliable, hands‑on team player with ability to lead cross‑functional security initiatives.

Effective management of own time, willingness to work overtime as necessary.

Enthusiastic, proactive, open, service‑minded and spontaneous working attitude and communication style.

Proven commitment to thoroughness in security assessments and implementations.

Proactive, innovative and forward‑thinking approach to emerging security challenges and technology advancements.

Education – Qualifications, Accreditation, Training

Recognized bachelor’s or master’s degree in telecommunications, electrical, electronics, control systems, computer science or a related field from an accredited college or university.

Please note: No agency representation or submissions will be recognized for this vacancy.

Worley Consulting offers an excellent remuneration and benefits package, a friendly, professional, dynamic and flexible work environment along with the opportunity to develop your career prospects locally and internationally.

We strive to be an industry leader in health, safety and environmental performance. Our vision is to achieve zero harm to people and assets, and zero environmental incidents. We select people who share our values, beliefs and commitment to this vision and who demonstrate the expected behaviours, competencies and performance associated with their prospective roles within the company.

We’re committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state or local law.

Our policy is to conduct background checks for all U.S. candidates who accept an offer of employment with us.

We thank all candidates for their interest; however, only those selected for interviews will be contacted. Worley Group is an equal opportunity employer.

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