Senior OT Infrastructure Engineer in Glasgow

We are Systal: a global managed network, cloud and security transformation specialist.

We provide complex and strategic technology services for enterprise businesses, managing 200,000+ assets across 93 countries. These services help our customers achieve strategic technology transformation and maximise the business value, security and innovative potential of their IT infrastructure.

Role Overview

The OT Infrastructure Engineer will support and maintain critical Operational Technology infrastructure across a secure and highly regulated environment. The role will focus on day-to-day operational support, infrastructure maintenance, patching, monitoring and incident resolution across Windows-based server platforms, Nutanix infrastructure and associated OT systems.

The successful candidate will work closely with senior engineers, security teams and operational stakeholders to ensure infrastructure availability, resilience and compliance across the OT estate.

What will you be doing?

• Support and administer Windows Server infrastructure within OT environments.
• Maintain and operate Nutanix virtualisation platforms.
• Administer Active Directory, DNS and Group Policy services.
• Support SCCM/MECM administration within an on-premises environment.
• Perform server patching, updates and vulnerability remediation activities.
• Monitor infrastructure health, capacity and performance.
• Support backup, recovery and disaster recovery activities.
• Investigate and resolve infrastructure incidents and service requests.
• Support operational change implementation and maintenance activities.
• Maintain technical documentation, operational procedures and asset records.
• Assist with compliance and audit activities within regulated environments.
• Work collaboratively with OT security and operational technology teams.
• Participate in on-call support and out-of-hours maintenance activities where required.

Who are we looking for?

• Good understanding of Active Directory, DNS and Group Policy
• Experience supporting enterprise infrastructure environments
• Hands‑on experience with Nutanix infrastructure administration
• SCCM/MECM administration experience in an on-premises environment
• Experience supporting physical and virtual server infrastructure
• Strong troubleshooting and problem‑solving skills
• Experience with patch management and infrastructure lifecycle activities
• Understanding of backup and recovery processes
• Experience working within operationally critical or regulated environments
• Strong communication and documentation skills

Why come and work with us at Systal?

Competitive salary, benefits package.

Unrivalled training and development, ensuring you stay at the top of your field. We want you to be the best in your chosen field and continuously support training.

Fantastic working environment – our state‑of‑the‑art offices and established remote teams create a positive environment to work in both in person and virtually.

Systal’s core is its people. Our culture and success are founded upon having the best performing people in a high performing culture to deliver the best‑in‑class customer experience. Our mission is to be the world’s most trusted technology services partner – inspiring, empowering and enabling the innovation and transformation of today and tomorrow. And we want you to join us!