Senior On-Site Engineer

OCU Group; Glasgow; On-site; GBP 52,000 - 65,000; Full time

Job summary

OCU Group in Glasgow is seeking an experienced Senior On-Site Engineer to own Digital Technology across the site and serve as the senior technical point of contact for IT services. You will lead the delivery of high-quality IT support, mentor on-site engineers, and drive improvements in service performance while coordinating with site leadership and cross-functional teams.

This role blends hands-on technical work with leadership, requiring strong communication with senior stakeholders and a

Qualifications

• 7+ years' IT support experience in multi-site or enterprise environments.
• Ownership experience of a site, region or service area.
• Strong knowledge of Microsoft 365, Windows, macOS and enterprise apps.
• Identity and access management experience (MFA, joiner/leaver).
• Proven track record managing complex escalations and major incidents.
• Experience mentoring IT engineers.
• Excellent communication with senior stakeholders.
• Autonomous work with hands-on approach.
• Strong documentation and asset management.

Responsibilities

• Take ownership of Digital Technology across the site, acting as the senior point of contact for technical issues and escalations.
• Lead the resolution of complex technical incidents, ensuring issues are properly investigated and permanently resolved.
• Provide advanced hands-on support across end-user devices, Microsoft 365, Windows, macOS, applications, identity, access and connectivity.
• Monitor site service performance, identify recurring issues and drive improvements to service quality and user experience.
• Lead the local response to major incidents, providing clear updates to site leadership and wider support teams.
• Mentor and coach on-site engineers, developing technical capability and maintaining high standards of service delivery.
• Work collaboratively with Service Desk, Infrastructure, Workplace and Security teams to improve technology services.
• Oversee third-party suppliers and contractors attending site, ensuring work is delivered to the required standard.
• Maintain accurate asset records, technical documentation and knowledge articles.
• Support site changes, equipment installations and technology improvements, ensuring minimal disruption to operations.

Skills

Senior IT experience

Microsoft 365

Windows/macOS

Identity & access mgmt

Escalation handling

Mentoring engineers

Strong communication

Autonomous working

Tools

Intune

JAMF

RMM platforms

PowerShell

Job description

Senior On-Site Engineer

Application Deadline: 28 December 2026

Department: OCU Digital

Employment Type: Permanent - Full Time

Location: Glasgow

Reporting To: John Antonio

Description

The Opportunity

We are looking for an experienced Senior On-Site Engineer to take ownership of Digital Technology across one of our sites, acting as the senior technical point of contact and leading the delivery of a high-quality IT service.

This is more than a traditional IT support role. You will take responsibility for site technology performance, managing complex escalations, driving permanent solutions and ensuring colleagues receive a consistent and reliable service.

Alongside your hands-on technical responsibilities, you will mentor and develop other on-site engineers, setting standards for technical delivery, customer service and continuous improvement. Working closely with site leadership and wider Digital Technology teams, you will play a key role in strengthening service delivery and supporting the continued growth of the business.

What You’ll Do

• Take ownership of Digital Technology across the site, acting as the senior point of contact for technical issues and escalations.
• Lead the resolution of complex technical incidents, ensuring issues are properly investigated and permanently resolved.
• Provide advanced hands-on support across end-user devices, Microsoft 365, Windows, macOS, applications, identity, access and connectivity.
• Monitor site service performance, identify recurring issues and drive improvements to service quality and user experience.
• Lead the local response to major incidents, providing clear updates to site leadership and wider support teams.
• Mentor and coach on-site engineers, developing technical capability and maintaining high standards of service delivery.
• Work collaboratively with Service Desk, Infrastructure, Workplace and Security teams to improve technology services.
• Oversee third-party suppliers and contractors attending site, ensuring work is delivered to the required standard.
• Maintain accurate asset records, technical documentation and knowledge articles.
• Support site changes, equipment installations and technology improvements, ensuring minimal disruption to operations.

What you'll bring

Essential

• 7+ years' experience in IT support within a multi-site or enterprise environment, including senior or lead-level responsibilities.
• Proven experience taking ownership of a site, region or service area, with accountability for service performance and user experience.
• Strong technical knowledge of Microsoft 365, Windows, macOS, endpoint devices and enterprise applications.
• Experience with identity and access management, including MFA, permissions and joiner and leaver processes.
• A track record of managing complex technical escalations and major incidents through to resolution.
• Experience mentoring, coaching or developing other IT engineers.
• Excellent communication skills, with the confidence to engage with senior stakeholders and non-technical colleagues.
• Ability to work autonomously, prioritise competing demands and maintain a hands-on approach to technical support.
• Strong documentation, asset management and problem-solving skills.

Desirable

• ITIL Foundation or an equivalent understanding of IT service management.
• Experience with problem management, root cause analysis and reducing recurring incidents.
• Familiarity with endpoint management tools such as Intune, JAMF or RMM platforms.
• Experience with PowerShell, scripting or automation to improve service efficiency.
• Experience managing third-party suppliers and technology vendors.
• Understanding of change management and assessing the impact of technology changes on site operations.