Senior IT Infrastructure Engineer

Recruiter:

Recru-it

Job Ref:

PE011468/LM

Date posted:

Friday, January 23, 2026

Location:

Cape Town, South Africa

Salary:

Market Related Monthly

SUMMARY:
Job Description:
The Senior IT Infrastructure Engineer is responsible for the setup, configuration, support, and
maintenance of our client’s hybrid infrastructure environment, which includes on-premises and cloud
based servers, storage, and network switches. The role ensures optimal performance, security, and
availability of infrastructure services and supports continuous improvement through upgrades, patching,
and documentation.

Responsibilities:

Hybrid Infrastructure Operations

Deploy, configure, and maintain Windows and Linux servers across on-premises and Microsoft Azure environments.
Manage HP Synergy blade servers and associated storage technologies.
Administer Hyper-V clusters and failover configurations for Microsoft SQL Server.
Perform regular patching, firmware updates, and server upgrades in line with the company’s IT standards.
Monitor system performance and proactively resolve issues to ensure high availability.

Network Infrastructure

Configure and maintain HP/Aruba network switches and LAN/WAN/VPN connectivity.
Support perimeter security and internal network segmentation.
Configuration and management of Azure Virtual Networks (VNets)
Implementation of Network Security Groups (NSGs)
Monitoring of Azure network connectivity, performance, and availability
Integration with on-prem infrastructure via VPN and ExpressRoute
Troubleshooting and optimization of hybrid network routing
Collaborate with Security teams to ensure network compliance and resilience.

Internet Connectivity

LAN/WAN/VPN infrastructure management
ISP coordination and performance optimization
Network monitoring and proactive issue resolution
Alignment with hybrid cloud and continuity strategies

IP Telephony

IP telephony and VoIP system administration
Integration with Microsoft Teams and collaboration platforms
Hardware/software support for telephony infrastructure
Documentation of telephony architecture and service providers

Cloud Integration

Support integration between on-premises infrastructure and Microsoft Azure services.
Administer Azure AD, DNS, and Microsoft 365 services including SharePoint Online and Remote Desktop Services.
Assist in cloud migration and optimization initiatives.

Backup and Recovery

Implement and manage VEEAM backup and disaster recovery solutions.
Conduct regular backup validation and recovery testing.
Lead Disaster Recovery Test Initiatives for the company.

Support and Escalation

Provide 2nd and 3rd level technical support for infrastructure-related incidents.
Participate in standby and after-hours escalation support.
Document root cause analysis and contribute to continuous service improvement.

Documentation and Reporting

Maintain accurate technical documentation including SOPs, topology diagrams, and configuration logs.
Report on system health, capacity, and risk posture to the IT Infrastructure Manager.

Collaboration and Mentorship

Work closely with the IT Infrastructure Manager and other engineers to align with the company’s IT strategy.
Mentor junior engineers and contribute to knowledge sharing across the team.

Experience in the following technologies and concepts:

HP Synergy / Server Blade Infrastructure
Storage Technologies – Preferable HPE and Fiber Channel
Hyper-V and Hyper-V Clusters
Failover Clusters for MS SQL Server
LAN/WAN/VPN Technology
Microsoft AD / Azure AD / DNS
Remote Desktop Services
Microsoft 365 and SharePoint Online
DNS and Cert management
IP Telephony
VEEAM Backup and Recovery
Operating Systems – Microsoft and Linux
In-depth understanding of TCP/IP and internetworking with heterogeneous technologies
Perimeter Security
Progression and capacity planning.

Minimum requirements:

Diploma/Degree in Information Technology or related fields
Minimum 5 years’ experience in IT infrastructure engineering.
Strong knowledge of Windows/Linux server administration, virtualization, and networking.
Experience with HP Servers, Switches, Hyper-V, Microsoft SQL Server, and Azure technologies.
Familiarity with ITSM practices (Incident, Problem, Change Management).
Proficiency in technical documentation and system architecture.
Networking fundamentals and Administration.
Documentation/Technical Authoring
Knowledge of Systems Architecture.
ITIL certification advantageous.
HP Networking Certifications
Network Professional (ACNP)) will be advantageous.
Microsoft Certifications (e.g., AZ-104, AZ-305) will be advantageous.
Linux Certifications (e.g., LPIC-1, RHCSA) will be advantageous.
Cisco CCNA or CCNP (as complementary networking knowledge) will be advantageous.

POSITION INFO:
Job Description:
The Senior IT Infrastructure Engineer is responsible for the setup, configuration, support, and
maintenance of our client’s hybrid infrastructure environment, which includes on-premises and cloud
based servers, storage, and network switches. The role ensures optimal performance, security, and
availability of infrastructure services and supports continuous improvement through upgrades, patching,
and documentation.

Responsibilities:

Hybrid Infrastructure Operations

Deploy, configure, and maintain Windows and Linux servers across on-premises and Microsoft Azure environments.
Manage HP Synergy blade servers and associated storage technologies.
Administer Hyper-V clusters and failover configurations for Microsoft SQL Server.
Perform regular patching, firmware updates, and server upgrades in line with the company’s IT standards.
Monitor system performance and proactively resolve issues to ensure high availability.

Network Infrastructure

Configure and maintain HP/Aruba network switches and LAN/WAN/VPN connectivity.
Support perimeter security and internal network segmentation.
Configuration and management of Azure Virtual Networks (VNets)
Implementation of Network Security Groups (NSGs)
Monitoring of Azure network connectivity, performance, and availability
Integration with on-prem infrastructure via VPN and ExpressRoute
Troubleshooting and optimization of hybrid network routing
Collaborate with Security teams to ensure network compliance and resilience.

Internet Connectivity

LAN/WAN/VPN infrastructure management
ISP coordination and performance optimization
Network monitoring and proactive issue resolution
Alignment with hybrid cloud and continuity strategies

IP Telephony

IP telephony and VoIP system administration
Integration with Microsoft Teams and collaboration platforms
Hardware/software support for telephony infrastructure
Documentation of telephony architecture and service providers

Cloud Integration

Support integration between on-premises infrastructure and Microsoft Azure services.
Administer Azure AD, DNS, and Microsoft 365 services including SharePoint Online and Remote Desktop Services.
Assist in cloud migration and optimization initiatives.

Backup and Recovery

Implement and manage VEEAM backup and disaster recovery solutions.
Conduct regular backup validation and recovery testing.
Lead Disaster Recovery Test Initiatives for the company.

Support and Escalation

Provide 2nd and 3rd level technical support for infrastructure-related incidents.
Participate in standby and after-hours escalation support.
Document root cause analysis and contribute to continuous service improvement.

Documentation and Reporting

Maintain accurate technical documentation including SOPs, topology diagrams, and configuration logs.
Report on system health, capacity, and risk posture to the IT Infrastructure Manager.

Collaboration and Mentorship

Work closely with the IT Infrastructure Manager and other engineers to align with the company’s IT strategy.
Mentor junior engineers and contribute to knowledge sharing across the team.

Experience in the following technologies and concepts:

HP Synergy / Server Blade Infrastructure
Storage Technologies – Preferable HPE and Fiber Channel
Hyper-V and Hyper-V Clusters
Failover Clusters for MS SQL Server
LAN/WAN/VPN Technology
Microsoft AD / Azure AD / DNS
Remote Desktop Services
Microsoft 365 and SharePoint Online
DNS and Cert management
IP Telephony
VEEAM Backup and Recovery
Operating Systems – Microsoft and Linux
In-depth understanding of TCP/IP and internetworking with heterogeneous technologies
Perimeter Security
Progression and capacity planning.

Minimum requirements:

Diploma/Degree in Information Technology or related fields
Minimum 5 years’ experience in IT infrastructure engineering.
Strong knowledge of Windows/Linux server administration, virtualization, and networking.
Experience with HP Servers, Switches, Hyper-V, Microsoft SQL Server, and Azure technologies.
Familiarity with ITSM practices (Incident, Problem, Change Management).
Proficiency in technical documentation and system architecture.
Networking fundamentals and Administration.
Documentation/Technical Authoring
Knowledge of Systems Architecture.
ITIL certification advantageous.
HP Networking Certifications
Network Professional (ACNP)) will be advantageous.
Microsoft Certifications (e.g., AZ-104, AZ-305) will be advantageous.
Linux Certifications (e.g., LPIC-1, RHCSA) will be advantageous.
Cisco CCNA or CCNP (as complementary networking knowledge) will be advantageous.

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