Montash
Technical Support Manager (SC Cleared)
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Job Title: OT Technical Support Manager (SC Cleared)
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 Required
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.
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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
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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 (e.g. IEC 62443, NIST Cybersecurity Framework, NCSC CAF)
- Experience operating within a regulated environment with formal incident and change management processes
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