OT Security Engineer - HVDC/FACTS

Salary: £50,000 - 90,000 per year

Requirements:

• We require successful applicants to be based from either our Inverness or Aberdeen office, with a 50% office expectation.
• The role will involve regular travel to sites across Caithness, Aberdeenshire and Shetland, and we need candidates who are comfortable travelling to support project and operational activities.
• There may also be some European travel as required.
• You have an understanding of HVDC control systems.
• You have an understanding of HVDC operational environments.
• You have knowledge of OT / ICS cybersecurity regulations, standards and control frameworks, such as NIS, IEC 62443, NIST CSF or NCSC CAF.
• You have experience working with technical stakeholders, vendors or service providers in an engineering or operational environment.
• You have the ability to communicate clearly, challenge constructively and work collaboratively across project and operational teams.
• You have a full clean driving licence, as this role will require visits to a variety of remote locations.

Responsibilities:

• We support the secure design, delivery and operation of HVDC systems across SSEN Transmission.
• We work closely with project teams, vendors and operational colleagues to ensure cybersecurity requirements are understood, embedded and maintained across the HVDC lifecycle, from early project design through to live service and ongoing operations.
• We apply SSEN Transmission OT and HVDC cybersecurity requirements across projects, including reviewing and challenging vendor design deliverables and supporting procurement activities.
• We participate in security assurance, testing and commissioning activities, such as vulnerability scanning and penetration testing, ensuring security requirements are validated before commissioning.
• We attend cyber service meetings, support site security audits, review vulnerability reports, and participate in change management and outage planning for HVDC assets.
• We manage HVDC cyber risks through IT/OT risk processes, addressing changes and emerging vulnerabilities, and assist during maintenance and outages to meet cybersecurity standards.
• We contribute to HVDC service management strategies, define cybersecurity service expectations, oversee service delivery with vendors, and support service review and renewal activities.

Technologies:

• Embedded
• Support
• Security

More:

We are SSE, a company with a purpose to provide the energy needed today while building a better world of energy for tomorrow. We develop, build, operate and invest in electricity infrastructure and businesses needed in the energy transition, and our Transforming for Growth investment plan sees us investing 33bn in critical electricity infrastructure across the five years to 2030. Our IT division supports growth across all SSE business areas by providing the systems, software and security needed to lead in a low carbon world, with expertise in emerging technologies, data and analytics, cyber security and more. This is a permanent, full-time role with flexible first options available, based from our Inverness or Aberdeen office with a 50% office expectation and regular site visits across Caithness, Aberdeenshire and Shetland, plus some European travel as required. We offer a range of benefits to support your finances, wellbeing and family, including discounts on private healthcare and gym memberships, a free online GP and 24/7 counselling service, interest-free loans on tech and transport season tickets or a new bike through our Cycle to Work scheme, and generous family entitlements such as maternity and adoption pay, and paternity leave. We are an equal opportunity employer and are committed to fostering an open and inclusive workplace where people from all backgrounds can thrive.

last updated 35 week of 2026