Job Objective
The Senior Systems Administrator is responsible for delivering and supporting more than 500 virtual and standalone servers, along with the storage and backup infrastructure housed across two primary data centres, as well as the organization’s Azure cloud environment. The role focuses on maintaining stable operations, resolving technical issues, and executing project and change activities within agreed cost and time parameters. Key responsibilities include deploying, monitoring, maintaining, and upgrading servers, storage systems, operating systems, and software in coordination with other teams. The administrator also evaluates security vulnerabilities and manages systems using tools that monitor capacity and performance. This position is essential for ensuring strong customer support, driving continuous service improvement, and fostering a culture of safety and integrity within the team.
Key Responsibilities
- Lead activities to recover from incidents and complete subsequent problem management and root cause analysis
- Produce and update infrastructure roadmaps, including upgrade paths and end-of-life information
- Provide a structured weekly report that monitors progress on incidents, projects, and key activities
- Define and execute changes based on the agreed policy
- Work with Infrastructure and other ITC teams to design, develop, deploy, monitor, maintain, upgrade, and support servers, storage, operating systems, and software
- Serve as a key technical liaison, supporting other ITC teams with project implementation
- Keep key operational, known issues, and training documentation up to date
- Assess security vulnerabilities and take appropriate action to mitigate risks
- Use appropriate tools to monitor and manage applications, reporting on capacity, performance, and optimization, and taking necessary remediation action
- Develop and maintain excellent relationships with a diverse group of stakeholders, including users, vendors, and IT service organizations
- Identify and progress continuous service improvement activities
- Identify risks to service delivery, recommend options to address them, and execute approved options
- Actively promote a culture of HSSE (Health, Safety, Security, and Environment) awareness within the team and the wider organization
Essential requirements
- University degree in the field of Engineering/IT or related discipline
- Or related equivalent experience
- Microsoft Certified: Azure Administrator Associate (AZ-104)
- VMware Certified Professional (VCP)
- A minimum of 5 years of experience in a similar ITC Infrastructure administration role
- A proven track record in back-office infrastructure service delivery
- In-depth experience with the following technologies: Hyperconverged Infrastructure, ExaGrid storage systems, Virtualization: Specifically, VMware (ESXi hosts, vCenter administration, virtual disk operations, VM deployment), Enterprise VDI Administration (Citrix/AVD), Storage: RAID, SAN, DAS, NAS, OS Administration: Windows Server 2019/2022/2025, KMS, Licensing, Experience administering Linux enterprise operating systems, Backup: Veeam On-Premises and Cloud (Backup/Restore operations, backup types), Active Directory: User/Computer Management, Group Policy, AD Group Management, Authentication, Microsoft System Monitoring & Configuration Management: Systems Centre (SCOM, SCSM, SCCM), ARC, Intune and SolarWinds, Azure Services: ASR and AFS, managing Azure and on-premise workloads, Microsoft Online Administration
- Good knowledge of data center operations and technologies
- Strong understanding of Cyber Security principles
- Strong communication (verbal and written), analytical, and problem-solving skills
- Proactive thinking and the ability to come up with options and solutions
- Leads by example and is motivating, positive, and energetic
- Demonstrates strong customer empathy
Desirable criteria & qualifications
- ITIL V3 foundation and at least 1 ITIL Intermediate certification, preferably V3 Service Operations
- Azure Solutions Architect Expert (AZ-305)
- Certified Information Systems Security Professional (CISSP)
- Citrix CCA/CCP
- Red Hat RHCSA
Rotation
28 days on/28 days off
*Only applicants meeting the strict criteria outlined above will be contacted as part of the shortlisting process.