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

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