Specialist, Infrastructure & Systems Administration

ROLE SUMMARY: 

The Specialist, Infrastructure & Systems Administration is responsible for the administration, maintenance, 

and optimization of the organization's server and systems infrastructure across on-premises datacentres and 

cloud environments. The role ensures the availability, security, reliability, and performance of critical IT 

systems while providing advanced technical support and serving as an escalation point for complex 

infrastructure issues. The Specialist plays a key role in operating system management, system monitoring, 

patch and vulnerability management, automation initiatives, capacity planning, backup and recovery 

operations, and the continuous improvement and modernization of enterprise infrastructure services. 

ROLES & RESPONSIBILITIES:

• Design, deploy, and maintain server and systems infrastructure in alignment with the organization's

 

operational and business requirements.  

• Install, configure, and troubleshoot server hardware, operating systems, and software components to ensure

 

optimal functionality.  

• Implement and manage virtualization technologies (e.g., Microsoft Hyper-V, VMware) to maximize resource

 

utilization, scalability, and efficiency.  

• Monitor, analyse and optimize server and system performance to ensure high availability, reliability, and

 

consistent service delivery.  

• Perform capacity planning and proactively identify potential performance bottlenecks before they impact

 

operations.  

• Implement and maintain security controls to safeguard server and systems infrastructure against internal and

 

external threats.  

• Apply necessary security updates and patches in a timely manner, ensuring adherence to industry standards

 

and regulatory requirements.  

• Design, implement, and manage backup solutions, ensuring critical data and systems are protected through

 

reliable, well-documented backup procedures.  

• Develop, maintain, and regularly test disaster recovery (DR) plans to ensure business continuity, validating

 

backup integrity and recovery processes to meet defined recovery objectives (RPO/RTO). 

• Support and participate in internal and external audits, providing required evidence, documentation, and

 

remediation actions to ensure compliance with organizational policies and regulatory requirements.  

• Conduct regular system audits and security assessments to identify, address, and remediate vulnerabilities.  

• Adhere to IT Service Management (ITSM) processes and best practices (e.g., ITIL), ensuring effective

 

incident, problem, and service request management in line with defined SLAs.  

• Follow change management procedures for all infrastructure modifications, ensuring changes are properly

 

assessed, documented, approved, and implemented with minimal risk and disruption.  

• Plan, coordinate, and execute infrastructure projects and modernization initiatives, including deployments,

 

migrations, and upgrades, ensuring delivery within scope, schedule, and quality standards.  

• Provide advanced technical support to resolve server-related issues and incidents, serving as an escalation

 

point for complex problems.  

• Collaborate with cross-functional teams to understand business needs and deliver effective, reliable IT

 

solutions.  

• Maintain a strong working knowledge of Microsoft 365 applications and services to support integrated

 

enterprise environments.  

• Drive continuous improvement by evaluating existing systems, processes, and technologies, recommending

 

and implementing enhancements to improve efficiency, reliability, security, and service quality.  

• Remain available on-call to address emergencies, ensuring 24/7 support coverage for critical systems.  

• Provide regular reports on server performance, capacity utilization, and security posture to relevant

 

stakeholders.  

• Develop and maintain detailed, up-to-date documentation for server configurations, operational procedures,

 

and best practices.