Senior Systems Administrator

This role is designed for a high-level technical expert capable of maintaining a robust, scalable infrastructure while serving as a bridge between day-to-day operations and long-term engineering goals. You will be responsible for the health of our virtualized environments, cloud integration, and security posture.

The Senior Systems Administrator ensures the stability, security, and performance of our global IT infrastructure. This involves managing complex hybrid environments (VMware and Azure), overseeing advanced troubleshooting across the stack, and collaborating with cross-functional teams to implement new technologies through standardized, documented processes.

• Manages related Service Desk Tool queues and tickets
• Resolve or elevate incidents and service requests, maintaining relevant records promptly and efficiently within SLA
• Deployment and configuration of vMware Virtual Machines in vCentre and Azure
• Installation and management of IT security tools
• Build new systems and deploy application software
• Install new software releases and system upgrades
• Review and update of SOPs and other relevant documentation
• Remote Desktop Gateway management, configuration, and troubleshooting
• Configuration of monitoring tools
• Active Directory management and troubleshooting
• VPN Configuration and troubleshooting
• General vCentre management and troubleshooting
• Certificate Management
• Partner with Engineering, Development and Professional Services teams to ensure successful implementation of new technologies and assures SOP’s are accurately recorded and updated
• Advanced level technical troubleshooting and fault-finding IT systems and 3rd party tools/services

• Knowledge of Windows Server technologies, SQL, Active Directory, storage and backup devices, VMWare, Citrix and other solutions as necessary to fulfil job responsibilities.
• Proficiency in server, storage and virtualization standards, techniques and tools.
• Analytical/problem-solving skills
• Clear and concise verbal and written communication to all levels of the organization
• Effectively organize and prioritize work.
• Simultaneously manage and deliver multiple projects.
• Effectively collaborates with peers, cross-functional teams, team leaders and engineering to achieve end-to-end product and process quality.
• Effectively influences others to ensure levels of quality and timeliness are met during the service improvement and delivery process
• Ability to be available for after hours and standby when required
• Ability to work North American or United Kingdom hours if and when required
• Experience with SaaS models and large-scale distributed web architecture utilising Cloud technologies

• VMWare Certified
• Azure and /or AWS Certified
• Networking certified
• ITIL v3 or v4 nice to have
• Cyber Security Certification a plus

MRI is proud to be an inclusive employer. We welcome and celebrate diversity across all backgrounds, including ethnicity, religion, sexual orientation, gender identity, disability, age, military, veteran status and more.

We believe that Belonging is a direct result of Diversity, Equity, and Inclusion. Those values are woven into the fabric of who we are and are foundational to our continued success. Come and see for yourself!