Technical Support Manager

Job Title: OT Technical Support Manager

Location: Perth, Scotland (1-2 days onsite per week)

Contract Length: 6 months

Start Date: October 2026

IR35: Inside

Interview Process: 1 Stage, MS Teams (technical test required as part of process)

Clearance Provided When Onboarding: SC

We are supporting a major utilities client in hiring an OT Technical Support Manager to lead the operational support, maintenance and resilience of high-availability operational technology (OT) systems, with a focus on incident response, service delivery, patching and vulnerability remediation.

This is a hands-on operational leadership role covering the day-to-day support and operational management of core OT platforms, including DMS, SCADA, data historians, telemetry and communications systems. The successful candidate will own incident management, fault diagnosis and recovery within a high-availability environment, lead OT patching and vulnerability remediation activity, and manage resourcing, capability and development across a technical team.

This role suits an experienced OT/Utilities operations professional with strong incident management and team leadership skills, comfortable owning service delivery and stakeholder relationships within a regulated, critical national infrastructure setting.

Key Responsibilities

• Lead the operational support and day-to-day management of OT platforms, including DMS, SCADA, data historians, telemetry and communications systems
• Own incident management, fault diagnosis, recovery and operational resilience across high-availability OT environments
• Lead OT patching, vulnerability remediation and maintenance activity in line with agreed schedules and compliance requirements
• Manage resource allocation, capability mapping, coaching and development across the technical support team
• Provide strong operational leadership, ensuring service delivery commitments are consistently met
• Manage relationships with stakeholders and suppliers to ensure effective, coordinated operational support

Essential Skills

• Strong experience in the support and operational management of OT platforms, including DMS, SCADA, data historians and telemetry systems
• Experience in incident management, fault diagnosis, recovery and operational resilience within high-availability environments
• Experience with OT patching, vulnerability remediation and maintenance activities
• Experience with resource allocation, capability mapping, coaching and development of technical teams
• Strong operational leadership and stakeholder management experience

Desirable Skills

• Domain experience within the utilities or wider critical national infrastructure sector
• Familiarity with OT security standards and frameworks (eg IEC 62443, NIST Cybersecurity Framework, NCSC CAF)
• Experience operating within a regulated environment with formal incident and change management processes