Senior IT Infrastructure Engineer at Kontak Recruitment

• The IT Infrastructure Engineer is responsible for configuring, supporting, and maintaining the hybrid IT infrastructure environment, which spans on-premises and Microsoft Azure platforms. The role focuses on stability, performance, security, and availability of infrastructure services, while contributing to continuous improvement initiatives, upgrades, and disaster recovery readiness.
• This role suits an experienced infrastructure engineer who is technically hands-on, comfortable operating in an enterprise environment, and able to take ownership of complex infrastructure components.

Minimum Requirements:

• Diploma or Degree in Information Technology or a related field
• Minimum of 5 year’s experience
• Strong practical experience in server administration, virtualization, and networking
• Exposure to enterprise or regulated IT environments
• Familiarity with ITSM practices (Incident, Problem, Change Management)
• Strong documentation and troubleshooting skills

Certifications (Advantageous, not mandatory)

• ITIL
• Microsoft Azure certifications (AZ-104, AZ-305)
• HP or Aruba Networking certifications
• Linux certifications (LPIC-1, RHCSA)
• Cisco CCNA or CCNP (beneficial but not essential)

Technical Experience

• Windows and Linux Server Administration
• HP Server and Blade Infrastructure
• Storage Technologies (HPE, Fibre Channel advantageous)
• Hyper-V and Failover Clustering
• LAN, WAN, VPN networking
• Microsoft Active Directory, Azure AD, DNS
• Microsoft 365 and SharePoint Online
• Remote Desktop Services
• IP Telephony and VoIP environments
• VEEAM Backup and Recovery
• TCP/IP networking fundamentals
• Perimeter and network security concepts

Key Responsibilities:
Hybrid Infrastructure Operations

• Deploy, configure, and maintain Windows and Linux servers across on-premises and Microsoft Azure environments.
• Administer HP server and blade infrastructure, including associated storage technologies.
• Manage Hyper-V environments, including clustering and failover configurations.
• Perform server patching, firmware updates, and upgrades in line with IT standards and change processes.
• Monitor infrastructure performance and proactively address capacity, availability, and performance risks.

Network Infrastructure

• Configure and support LAN, WAN, VPN, and internet connectivity.
• Administer HP / Aruba network switches and assist with perimeter and internal network segmentation.
• Configure and manage Azure networking components, including VNets and Network Security Groups (NSGs).
• Support hybrid connectivity between on-prem and cloud environments (VPN and ExpressRoute).
• Collaborate with security teams to ensure network compliance and resilience.

Cloud & Microsoft Services

• Support integration between on-premises infrastructure and Microsoft Azure services.
• Administer Active Directory, Azure AD, DNS, and Microsoft 365 services, including SharePoint Online and Remote Desktop Services.
• Contribute to cloud migration, optimisation, and modernisation initiatives.

Backup, Recovery & Continuity

• Implement and manage VEEAM backup and disaster recovery solutions.
• Perform backup verification and recovery testing.
• Participate in, or lead (for senior level), disaster recovery testing initiatives.

Support & Escalation

• Provide 2nd and 3rd line support for infrastructure-related incidents.
• Participate in standby and after-hours support as required.
• Conduct root cause analysis and contribute to problem management and service improvement.

Documentation & Collaboration

• Maintain accurate technical documentation, including SOPs, system diagrams, and configuration records.
• Report on infrastructure health, risks, and capacity to management.
• Senior-level candidates will mentor junior engineers and contribute to technical knowledge sharing.