OT Technical Manager (ANM Systems)

SSE PLC; Portsmouth; On-site; GBP 52,000 - 77,000; Full time

Benefits offered by this job

Private healthcare discounts

Gym membership discounts

Online GP

Counselling service

Cycle to Work

Family leave benefits

Job summary

SSE plc is seeking a permanent, full-time OT leader to support DERMS and enabling systems within the OT domain. The role focuses on operational technology resilience and ensuring 99.999% service availability, spanning live and pre-production environments across critical infrastructure.

Portsmouth or Perth will serve as base locations with flexible first options. You will lead the OT support team, drive cybersecurity and vulnerability management, and coordinate governance for incidents and

Qualifications

• Proven experience in Operational Technology within a critical services environment.
• Experience leading and developing technical teams in high-availability settings.
• Experience managing OT cyber security activities including patching and risk reduction.

Responsibilities

• Lead the support, security and resilience of critical OT systems.
• Manage cyber security and vulnerability activities across operational systems.
• Provide day-to-day leadership for the OT support team and build capability for BAU and incident response.
• Oversee asset, engineering and technical governance across control room systems.
• Coordinate project and incident response governance during incidents.

Skills

OT experience

Leadership

Cyber security

Incident response

Stakeholder management

Capacity planning

Job description

Base Location: You'll be expected to spend 50% of your working week in one of the following locations : Portsmouth or Perth

Salary: £51,600 - £77,400 + performance-related bonus and a range of benefits to support your finances, wellbeing and family.

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

Candidates for this role will be required to obtain vetting to SC level through UK Government. The criteria normally includes 5 years UK residency, further information can be found here: United Kingdom Security Vetting: Applicant - GOV.UK ( www.gov.uk )

The role

This role will work within our DERMS & Enabling Systems Pillar within OT. The role is responsible for the operational support, maintenance and resilience of Operational Technology (OT) systems supporting Control Room operations, ensuring resilient, high availability services and an effective response to faults and incidents. They will provide leadership in the development of OT Apprentices, Graduates and Technicians, building capability and succession within the team. The role also oversees capacity planning and controlled access to Critical National Infrastructure (CNI) environments across live and pre-production systems, ensuring appropriate governance and resource alignment. Acting as responsible person for the Central and local Distributed Energy Resource Management Systems (DERMS)and other key operational platforms, the role is accountable for ensuring system reliability, resilience and security, delivering and sustaining a target of 99.999% availability.

You will

• Lead the support, security and resilience of critical operational technology systems, ensuring they remain safe, compliant and highly available.
• Manage cyber security and vulnerability activities across operational systems, including patching, monitoring and reducing operational risk.
• Provide day-to-day leadership for the support team, developing capability, managing resources and building skills for business-as-usual and incident response.
• Oversee asset, engineering and technical governance across key control room systems, ensuring standards, controls and safe working practices are consistently applied.
• Coordinate project and incident response governance, leading readiness, recovery planning and cross-team collaboration during operational or cyber incidents.

You have

• Proven experience in Operational Technology, technical support or a related engineering environment, with the knowledge and judgment needed to operate effectively in a critical services role.
• Strong experience supporting and maintaining Operational Technology systems, including ANM, SCADA, data historians, telemetry and communications platforms.
• Good understanding of OT support, incident management and operational resilience, with experience working in high-availability live environments.
• Experience managing OT cyber security activities, including patching, vulnerability remediation and operational risk reduction.
• Strong stakeholder, resource planning and team development skills, with the ability to build capability, manage priorities and support operational delivery

Candidates for this role will be required to obtain vetting to SC level through UK Government. The criteria normally includes 5 years UK residency, further information can be found here: United Kingdom Security Vetting: Applicant - GOV.UK ( www.gov.uk )

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.

Our IT division powers growth across all SSE business areas by making sure we have the systems, software and security needed to take the lead in a low carbon world. They provide expertise, advice and day-to-day support in emerging technologies, data and analytics, cyber security and more.

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.