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. 

SKILLS: 
Technical Skills 
• Provide L2 and L3 technical support for end-user services including Microsoft Teams, Outlook, Exchange, 
and network printers. 
• Strong hands-on experience installing, configuring, and administering Windows Server (2016 / 2019 /2022 
and later) environments. 
• Solid working knowledge of core infrastructure services, including Active Directory (AD), Group Policy 
Objects (GPOs), DNS, DHCP, WINS, and DFS. 
• Proficiency with Microsoft identity technologies, including Active Directory, Azure Active Directory (Entra 
ID), and Microsoft 365 (O365) integration.
• Experience with Azure AD and Active Directory migration projects, including hybrid identity and directory 
synchronization. 
• Administration of Exchange Admin Center, file sharing services, and Microsoft 365 services. 
• Proficiency in virtualization technologies, including VMware (vCenter, ESXi) and Microsoft Hyper-V. 
• Experience managing data backup and recovery solutions to ensure data protection and business continuity. 
• Working knowledge of endpoint security solutions, such as Symantec Endpoint Protection and McAfee 
Endpoint Security. 
Soft Skills & Competencies 
• Excellent problem-solving and analytical skills. 
• Strong project management, documentation abilities and Ability to work independently and as part of a team. 
• Outstanding communication skills, with the ability to explain complex technical concepts to non-technical 
stakeholders.