Senior SAS and Cyber Security Commissioning Engineer

Hitachi Automotive Systems Americas, Inc.; Riyadh; On-site; SAR 299,000 - 375,000; Full time

Job summary

A global engineering firm is seeking a Senior SAS and Cyber Security Commissioning Engineer in Riyadh, Saudi Arabia. The role involves leading the commissioning of Substation Automation Systems with a focus on integrated cyber security measures. Eligible candidates should possess a Bachelor's degree in Electrical Engineering or a related field, with at least 5 years of relevant experience. This full-time position requires expertise in cyber security practices, strong analytical and problem-solving skills, and the ability to mentor junior engineers.

Qualifications

• 5+ years of experience in commissioning Substation Automation Systems.
• Expertise in cyber security principles applied to OT environments.
• Proficient in interpreting electrical schematics and network diagrams.

Responsibilities

• Lead commissioning activities for Substation Automation Systems.
• Develop and implement cyber security commissioning plans.
• Prepare detailed commissioning reports and documentation.

Skills

Commissioning Substation Automation Systems

Cyber security principles

Problem-solving skills

Analytical skills

Communication skills

Education

Bachelor’s degree in Electrical Engineering

Master's degree preferred

Tools

Siemens relays

GE relays

ABB relays

Firewalls

SIEM

Job description

.Senior SAS and Cyber Security Commissioning Engineer page is loaded## Senior SAS and Cyber Security Commissioning Engineerlocations: Riyadh, Riyadh, Saudi Arabiatime type: Full timeposted on: Posted Todaytime left to apply: End Date: February 12, 2026 (29 days left to apply)job requisition id: R0116685**Location:**Riyadh, Riyadh, Saudi Arabia**Job ID:**R0116685**Date Posted:**2026-01-12**Company Name:**HITACHI ENERGY LTD**Profession (Job Category):**Engineering & Science**Job Schedule:**Full time**Remote:**No**Job Description:****The Opportunity**We are seeking a highly skilled and experienced Senior SAS and Cyber Security Commissioning Engineer to lead the successful commissioning of Substation Automation Systems (SAS) with an emphasis on integrated cyber security measures. This role involves ensuring the robust and secure operation of critical infrastructure projects.**How You’ll Make an Impact*** Lead and execute the commissioning activities for Substation Automation Systems (SAS), including protective relays, RTUs, SCADA systems, and communication networks, ensuring adherence to project specifications and industry standards.* Develop, review, and implement comprehensive cyber security commissioning plans for SAS, incorporating secure configurations, network segmentation, access controls, and intrusion detection/prevention systems.* Perform Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) for SAS and cyber security components, identifying and resolving any discrepancies or vulnerabilities.* Conduct thorough testing of cyber security controls, including vulnerability assessments, penetration testing, and incident response drills, to validate the integrity and resilience of operational technology (OT) environments.* Collaborate closely with design engineers, project managers, and clients to understand system requirements, provide technical expertise, and ensure seamless integration of SAS and cyber security solutions.* Troubleshot complex technical issues related to SAS hardware, software, and cyber security configurations, providing timely and effective resolutions.* Develop and deliver training to clients and internal teams on SAS operation, maintenance, and cyber security best practices.* Prepare detailed commissioning reports, as-built documentation, and cyber security compliance reports.* Stay abreast of the latest industry standards, technologies, and threats in substation automation and cyber security, recommending continuous improvements.* Mentor junior engineers and provide technical guidance on SAS and cyber security commissioning methodologies.* You will be responsible for ensuring compliance with applicable external and internal regulations, procedures, and guidelines.* Living Hitachi Energy core values of safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business.**Your background*** Bachelor’s degree in electrical engineering, Computer Engineering, Cyber Security, or a related field. Master's degree preferred.* Minimum of 5 years of progressive experience in commissioning Substation Automation Systems (SAS) and/or industrial control systems.* Demonstrable expertise in cyber security principles and practices specifically applied to Operational Technology (OT) environments, including IEC 62443 standards.* Extensive hands-on experience with various protective relays (e.g., Siemens, GE, ABB), RTUs, SCADA systems, and industrial communication protocols (e.g., IEC 61850, Modbus TCP/IP, DNP3).* Proven experience in configuring and commissioning network devices (firewalls, switches, routers) and security tools (SIEM, IDS/IPS) within critical infrastructure.* Strong understanding of cyber security frameworks (e.g., NIST CSF, ISO 27001) and their application in OT/ICS environments.* Relevant industry certifications such as GICSP, CISSP, CEH, or equivalent are highly desirable.* Proficiency in interpreting electrical schematics, network diagrams, and control logic.* Excellent problem-solving, analytical, and communication skills, with the ability to articulate complex technical concepts to diverse audiences.* Ability to travel frequently to project sites, sometimes for extended periods.* Proficiency in both spoken & written English.## Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.## This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe.From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference.Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons.