Sr Server Infrastructure Specialist

Position Title

Specialist – Senior Server Infrastructure

Department: Infrastructure & Data Centre Operations

Reports to: Supervisor – Servers, Exchange & Databases Infrastructure

Main Deliverables

• Design, implement, and operate secure, scalable, and highly available on‑prem and cloud server infrastructure
• Lead deployment, automation, monitoring, and lifecycle management of Windows, Exchange, Linux, and Azure environments
• Provide Level 3 technical ownership for server infrastructure, including performance optimization, security, DR, and capacity planning

Technical Stack

• Operating Systems & Platforms: Windows Server 2022/2019 (Datacenter, Azure Edition Gen2 Hotpatch)
• Exchange Server 2019/2016, Exchange Online
• Linux (various distributions)
• Cloud & Virtualization: Microsoft Azure (IaaS, VM encryption with CMK)
• VMware vSphere Hypervisor
• Identity & Core Services: Active Directory, GPO, DNS, DHCP, DFS, Kerberos, NTLM, RADIUS
• Automation & IaC: PowerShell, Terraform, Ansible
• SCCM (patching & OS deployment), Resolve or equivalent
• Monitoring & Operations: SCOM, SolarWinds or equivalent
• Security & Encryption: BitLocker (OS-level), Azure VM encryption (CMK), access controls
• Networking & Load Balancing: TCP/IP, VLANs, firewalls, VPNs
• F5 LTM/GTM, NGINX Plus
• Storage & Backup: SAN, iSCSI, NFS, HCI, Object Storage
• Backup & Recovery solutions for Windows & Exchange
• Containers & Databases: Docker, Kubernetes
• MSSQL, PostgreSQL
• Hardware & Other (Assets): Cisco UCS
• Data center power distribution knowledge

Requirements

• University degree in Computer Science, Computer Engineering, IT , or equivalent combination of education and experience
• 5+ years designing, implementing, and supporting Windows & Exchange Server environments, including HA, DR, security, and failover
• 5+ years hands-on experience with:
• Windows Server & Exchange administration
• Active Directory and core Microsoft infrastructure services
• SCCM-based patching and OS deployment
• Monitoring and troubleshooting Windows, Exchange, and Linux systems
• 2+ years experience with:
• Azure cloud services and Azure-hosted Windows/Exchange workloads
• VMware vSphere
• Linux administration
• Load balancers (F5, NGINX)
• Databases (MSSQL or PostgreSQL)
• Proven experience with:
• Infrastructure automation and IaC (PowerShell, Terraform, Ansible)
• Server security hardening and encryption (on‑prem and cloud)
• Storage technologies in datacenter and cloud environments
• Backup, recovery, and disaster recovery planning
• Migrating Windows & Exchange workloads to Azure
• Certifications preferred:
• Azure Solutions Architect Expert, Azure Administrator Expert, Microsoft 365, Azure/Hybrid Administration
• Experience with Microsoft vendor management is preferred

Responsibilities

• Design and implement server infrastructure solutions across Windows, Exchange, Linux, Azure, and cloud platforms
• Lead deployment, configuration, automation, and provisioning of VMs, storage, networking, and infrastructure services
• Monitor and optimize infrastructure performance, capacity, and availability
• Own capacity, availability, and lifecycle planning for server infrastructure
• Implement and maintain security controls in alignment with organizational and industry standards
• Provide Level 3 escalation support , including root cause analysis and permanent remediation
• Develop and maintain technical documentation, SOPs, as-built diagrams, and knowledge articles
• Create and validate disaster avoidance and recovery plans
• Collaborate with cross‑disciplinary IT teams to deliver end‑to‑end infrastructure solutions
• Support procurement activities including budgeting, forecasting, and vendor engagement
• Mentor and provide technical guidance to intermediate and junior infrastructure staff