Platform Engineer - OT Security

SSE plc; United Kingdom; Hybrid; GBP 51,000 - 61,000; Full time

Job summary

SSE plc, based in the United Kingdom, is seeking a Platform Engineer - OT Security to support secure delivery and operation of technology platforms across SSE Thermal's generation, storage and network operations.

This role spans OT, cyber security, cloud services and hybrid infrastructure, helping maintain secure and reliable platforms for critical energy operations.

Qualifications

• Experience supporting enterprise infrastructure and hybrid environments.
• Strong troubleshooting in Windows Server, AD, Entra ID, Hyper‑V and Azure.
• Experience with vulnerability management, backup/recovery, identity services and security monitoring.

Responsibilities

• Support the operation, maintenance and continuous improvement of IT and OT platforms to remain secure, resilient and available.
• Administer hybrid infrastructure services across on‑premises and cloud environments, including virtualization, identity, networking and platform services.
• Support security operations activities including vulnerability remediation, access controls and platform hardening.
• Develop automation and scripting to improve reliability and efficiency.
• Collaborate with internal teams, suppliers and project stakeholders to deliver new capabilities and lifecycle management.

Skills

Hybrid infrastructure administration

Windows Server

Active Directory

Azure

Hyper‑V

Security operations

Scripting (PowerShell, Bash)

DevOps tooling (Azure DevOps)

Tools

Azure DevOps

Entra ID

NIS regulations awareness

Job description

Base Location: You'll be expected to spend at least 50% of your working week from one of the following locations: Reading, Havant, Leeds, Glasgow, Perth, Aberdeen or Inverness.

Salary: £50,964 - £60,899 and a range of benefits to support your finances, wellbeing and family.

Working Pattern: Permanent | Full Time | Flexible First options available.

The role

We're looking for a Platform Engineer - OT Security to join our OT Security Value Stream and support the secure delivery, operation and continual improvement of technology platforms across SSE Thermal's generation, storage and network operations.

This role provides a unique opportunity to work across Operational Technology (OT), cyber security, cloud services and hybrid infrastructure, helping to maintain secure, resilient and reliable platforms that support critical energy operations.

You will

• Support the operation, maintenance and continuous improvement of IT and Operational Technology platforms, ensuring services remain secure, resilient and available.
• Administer and support hybrid infrastructure services across on-premises and cloud environments, including virtualisation, identity, networking and platform services.
• Support security operations activities, including vulnerability remediation, access controls, monitoring, platform hardening and service assurance.
• Develop automation, scripting and process improvements to increase platform reliability, operational efficiency and user experience.
• Work collaboratively with internal teams, suppliers and project stakeholders to deliver new capabilities and support the lifecycle management of existing services.

You have

• Experience supporting enterprise infrastructure, platform services or hybrid technology environments, including server, virtualisation, cloud or network technologies.
• Strong troubleshooting and problem-solving skills, with experience supporting technologies such as Windows Server, Active Directory, Entra ID, Hyper‑V, Azure, storage platforms, networking and firewall technologies.
• Experience supporting secure and resilient technology services, including vulnerability management, backup and recovery, identity services, privileged access management, security monitoring or endpoint security solutions.
• Experience using scripting, automation or DevOps tooling such as PowerShell, Bash, Azure DevOps or similar technologies to improve operational efficiency and service reliability.
• Strong communication and collaboration skills, with the ability to work effectively across technical and non-technical teams. Experience or interest in Operational Technology (OT), cyber security, industrial control systems, Linux (RHEL), NIS regulations and critical infrastructure environments would be advantageous.

About SSE

SSE’s purpose is to provide energy needed today while building a better world of energy for tomorrow. We do this by developing, building, operating and investing in electricity infrastructure and businesses needed in the energy transition. Our Transforming for Growth investment plan sees us investing £33bn in critical electricity infrastructure across the five years to 2030.

SSE Thermal keep the lights on for millions of people while pioneering low-carbon technologies. From ground-breaking carbon capture and storage projects to plans for what might be the world's first hydrogen-fired power station, we're transforming how we generate energy.

Flexible benefits to fit your life

Enjoy discounts on private healthcare and gym memberships. Wellbeing benefits like a free online GP and 24/7 counselling service. Interest-free loans on tech and transport season tickets, or a new bike with our Cycle to Work scheme. As well as generous family entitlements such as maternity and adoption pay, and paternity leave.

Work with an equal opportunity employer

SSE will make any reasonable adjustments you need to ensure that your application and experience with us is positive. Please contact [e-mail] / 01738 275 846 to discuss how we can support you.

We're dedicated to fostering an open and inclusive workplace where people from all backgrounds can thrive. We create equal opportunities for everyone to succeed and especially welcome applications from those who may not be well represented in our workforce or industry.