OT Technical Support Manager

Experis IT; Perth; Hybrid; GBP 91,000 - 151,000; Full time

Job summary

Experis IT is seeking an experienced OT Technical Support Manager to lead the operational support, maintenance, and resilience of critical OT systems within a Utilities environment. This leadership role ensures availability, performance, security, and continuous improvement of high-availability OT platforms, with incident management, fault recovery, and workforce development.

Based in Perth, Scotland, the role offers hybrid working with 1-2 days on site, guiding stakeholder relationships across

Qualifications

• Proven experience supporting and managing OT environments.
• Experience managing incidents, fault diagnosis, service recovery, and outages in high-availability settings.
• Strong knowledge of OT patching, maintenance, and vulnerability remediation processes.

Responsibilities

• Lead the operational support and maintenance of critical OT platforms and services.
• Manage incident response, fault diagnosis, service restoration, and root cause analysis.
• Ensure resilience across high-availability environments and support business continuity.
• Oversee OT patching and vulnerability remediation programmes.
• Drive service delivery excellence and continuous improvement in OT support.
• Manage resource allocation and workforce planning for OT teams.
• Coach and develop technical support staff and stakeholders across functions.
• Ensure OT environments meet security, regulatory, and operational requirements.
• Monitor performance to identify improvements for stability and quality.
• Provide technical leadership across OT support and service management.

Skills

OT environments

DMS

SCADA

Data Historians

Telemetry

Communications Platforms

Job description

Job Title: OT Technical Support Manager

Location:

Hybrid | 1-2 Days Per Week On Site

Perth (Scotland)

Rate:

Up to £820 per day (Inside IR35)

Duration:

6 months+

Engagement Type:

Umbrella Only

Overview

Our client is seeking an experienced OT Technical Support Manager to lead the operational support, maintenance, and resilience of critical Operational Technology (OT) systems within a Utilities environment.

This is a leadership role focused on ensuring the availability, performance, security, and continuous improvement of high-availability OT platforms. The successful candidate will be responsible for incident management, fault recovery, service delivery, vulnerability remediation, workforce planning, and the ongoing development of technical support teams.

You will work closely with operational stakeholders, engineering teams, and business leaders to ensure OT services remain robust, resilient, and aligned to business and regulatory requirements.

What You'll Be Doing

• Lead the operational support and maintenance of critical OT platforms and services.
• Manage incident response activities, fault diagnosis, service restoration, and root cause analysis.
• Ensure operational resilience across high-availability environments, supporting business continuity and recovery activities.
• Oversee OT patching, maintenance schedules, and vulnerability remediation programmes.
• Drive service delivery excellence and continuous improvement initiatives across OT support functions.
• Manage resource allocation, workforce planning, and operational support capacity.
• Coach, mentor, and develop technical support teams, ensuring appropriate skills and capability development.
• Build strong relationships with key stakeholders across operational, engineering, and business functions.
• Ensure OT environments comply with operational, security, and regulatory requirements.
• Monitor system performance and identify opportunities to improve stability, resilience, and service quality.
• Provide technical leadership and operational guidance across OT support and service management activities.

What You'll Bring

• Proven experience supporting and managing Operational Technology (OT) environments.
• Strong experience with OT platforms including:
  • Distribution Management Systems (DMS)
  • SCADA Systems
  • Data Historians
  • Telemetry Systems
  • Communications Platforms
• Experience managing incidents, fault diagnosis, service recovery, and major outages within high-availability environments.
• Strong knowledge of OT patching, maintenance, and vulnerability remediation processes.
• Experience leading technical teams, including resource planning, capability mapping, coaching, and development.
• Strong operational leadership and stakeholder management skills.
• Experience delivering support services within critical infrastructure environments.
• Excellent communication, problem-solving, and decision-making capabilities.
• Ability to manage multiple priorities in a fast-paced operational environment.

Domain Experience

• Utilities
• Critical Infrastructure
• Operational Technology

Technology Experience

• Operational Technology (OT)
• DMS
• SCADA
• Data Historians
• Telemetry
• Communications Systems

Desirable Experience

• Experience supporting Critical National Infrastructure (CNI) environments.
• Knowledge of OT cybersecurity principles and best practices.
• Familiarity with ITIL service management processes and frameworks.
• Experience working within highly regulated operational environments.