Cyber Security Engineer

At Hitachi Energy we are helping to build a more secure, sustainable and resilient energy future. As the energy sector becomes increasingly connected, cyber security has never been more important. We have an exciting opportunity for a Cyber Security Engineer to join our HVDC Service business, supporting the protection of critical infrastructure that underpins the global energy transition. This is a role where technical expertise meets real-world impact. You'll be working with some of the most advanced power systems in the world, helping customers maintain secure, reliable and compliant operational technology environments throughout the lifecycle of their assets. We're looking for someone who enjoys solving complex technical challenges and wants to make a genuine difference. Whether your background is in cyber security, networking, systems engineering or industrial control systems, you'll have the opportunity to develop your expertise while working alongside experienced specialists in a collaborative and supportive environment. As a Cyber Security Engineer, you'll work closely with customers, service teams and engineering colleagues to identify risks, implement security solutions and ensure critical systems remain protected against an evolving threat landscape. You'll be given the opportunity to take ownership, contribute new ideas and continue developing your career within a global technology leader. This is an excellent opportunity for someone looking to build on their cyber security experience while working in an industry that is directly supporting the world's journey towards a more sustainable energy future. How You'll Make An Impact - Support the delivery of cyber security services across HVDC and Power Quality installations, ensuring systems remain secure, available and compliant throughout their operational lifecycle. - Work closely with customers, project teams and service engineers to ensure cyber security requirements are understood and effectively delivered throughout the lifecycle of customer systems. - Design, implement and maintain secure network architectures, including firewalls, switches, routers and supporting infrastructure within critical operational technology environments. - Participate in cyber security assessments, vulnerability reviews and risk mitigation activities, identifying opportunities to strengthen system resilience and reduce operational risk. - Troubleshoot complex cyber security and networking issues, providing technical expertise and guidance to both customers and internal stakeholders. - Support the development and maintenance of cyber security documentation, procedures, policies and technical standards. - Act as a trusted technical advisor to customers, helping them understand cyber security risks, industry best practices and regulatory requirements. - Drive continuous improvement by identifying opportunities to enhance tools, processes and cyber security service offerings across the wider business. Background - Experience within cyber security, networking, systems administration or a related technical discipline. - Strong understanding of network infrastructure including routers, switches, firewalls and secure communications technologies. - Knowledge of cyber security principles, standards and best practices, ideally within industrial control systems, operational technology or critical infrastructure environments. - Experience working with Windows Server environments, Active Directory and security-focused system administration activities. - Proven ability to troubleshoot and resolve complex technical issues within networked environments. - Experience working directly with customers and stakeholders, building trusted relationships and providing technical guidance. - Strong analytical, problem-solving and communication skills, with the ability to explain technical concepts to both technical and non-technical audiences. - Degree qualification in Cyber Security, Computer Science, Information Technology, Engineering or a related discipline and/or relevant industry certifications would be advantageous. More About Us Hitachi Energy is dedicated to fostering an inclusive workplace where every team member can thrive and contribute their unique perspectives and skills. We provide competitive salaries, flexible working hours, professional development opportunities, and a supportive work environment that encourages growth and innovation through career development programs and Employee Resource Groups (ERGs). Specific benefits depend on the location and will be communicated during the interview process. Ready to make an impact? Apply now and join us to inspire the next era of sustainable energy! Publication date : 2026-10-12