IT Infrastructure Manager

Job description:

The Infrastructure Manager is responsible for the strategic planning implementation and operational management of PSGs hybrid IT infrastructure. This includes on-premises and cloud environments enabled by Microsoft Azure HP and Aruba networking equipment HP servers and SAN storage Windows and Linux operating systems and SQL Server databases. The role ensures high availability performance scalability security and continuity of the infrastructure supporting all PSG divisions.

Responsibilities:

Infrastructure Strategy & Planning

Develop and maintain PSGs infrastructure roadmap aligned with business goals.

Lead infrastructure projects including upgrades migrations and capacity planning.

Evaluate and recommend new technologies and solutions to improve efficiency and resilience.

Hybrid Environment Management

Oversee the management of Windows and Linux servers Microsoft Azure and on-premises data centres.

Ensure seamless integration between cloud and on-prem environments.

Manage virtualization platforms storage systems and backup solutions.

Network & Connectivity Oversight

Manage core network infrastructure including HP/Aruba switches firewalls and WAN/LAN connectivity.

Ensure network performance security and redundancy across PSG locations.

Collaborate with the Firewall Engineer and Security teams on perimeter and internal network controls.

Maintain comprehensive infrastructure landscape documentation including topology diagrams system dependencies and configuration records.

Ensure documentation is up-to-date and accessible for audits troubleshooting and planning.

Align documentation with CMDB standards and change management processes.

Desktop Computers

Oversee procurement of desktop computers monitors and peripherals.

Manage the lifecycle of desktop hardware including deployment maintenance upgrades and decommissioning.

Maintain an accurate inventory of desktop assets including tracking usage and replenishment.

Coordinate with vendors and suppliers for warranty claims replacements and service agreements.

Implement standards and policies for desktop configurations and user access.

Monitor performance and usage trends to inform future procurement and support strategies.

Security & Compliance

Ensure infrastructure compliance with PSGs security policies and regulatory requirements (POPIA GDPR FSCA Joint Security Standard).

Support patching firmware updates and vulnerability remediation.

Collaborate with the Information Security Manager on risk mitigation and audit readiness.

Monitoring Maintenance & Lifecycle Management

Oversee infrastructure monitoring alerting and performance tuning.

Plan and execute hardware replacements firmware updates and preventative maintenance.

Maintain accurate asset records in the Configuration Management Database (CMDB).

Incident & Change Management

Manage infrastructure-related incidents and service requests via JIRA Service Management.

Participate in change advisory board (CAB) meetings and ensure proper documentation and testing of changes.

Lead root cause analysis and post-incident reviews.

IT Continuity Responsibilities

Develop and maintain PSGs IT Continuity Plan ensuring alignment with business continuity and disaster recovery strategies.

Identify critical infrastructure components and ensure redundancy and failover capabilities.

Conduct regular continuity testing including backup restoration failover simulations and recovery drills.

Collaborate with business units to define RTOs and RPOs for key systems.

Ensure continuity documentation is integrated with landscape and operational documentation.

Cloud Integration and DevOps

Design and manage CI/CD pipelines for infrastructure deployments.

Utilize JIRA DevOps tools to track deployments automation tasks and issue resolution.

Collaborate with development teams to integrate infrastructure with application delivery workflows.

Implement cloud-native monitoring and alerting solutions.

Infrastructure as Code (IaC)

Use Terraform ARM templates and Bicep for infrastructure provisioning and automation.

Automate deployment and configuration across hybrid environments.

Integrate IaC into CI/CD pipelines for consistent and repeatable infrastructure delivery.

Maintain version control and documentation of infrastructure definitions.

Internet Connectivity

Oversee PSGs internet services ensuring high availability and performance.

Coordinate with service providers for connectivity issues and upgrades.

Monitor bandwidth usage and implement optimization strategies.

Audio Visual

Manage AV systems for hybrid meetings and collaboration spaces.

Ensure proper functioning and support for video conferencing equipment.

Coordinate AV setups for internal and external events.

Telephony

Administer VoIP systems and mobile communication platforms.

Integrate telephony services with Microsoft Teams and other collaboration tools.

Monitor and maintain telephony infrastructure for reliability and cost-efficiency.

Financial Management

Compile and manage departmental budgets for IT infrastructure.

Approve vendor and service provider invoices related to infrastructure operations.

Track and report on infrastructure spend ensuring alignment with financial forecasts.

Team Leadership & Vendor Management

Lead and mentor infrastructure engineers and support staff.

Manage vendor relationships contracts and SLAs for infrastructure services and hardware.

Coordinate with service providers for installations maintenance and escalations.

Operational Reporting

Produce regular reports on infrastructure health capacity performance and risk posture.

Present insights and recommendations to IT leadership and governance committees.

Minimum requirements:

Bachelors degree in Computer Science Information Technology or related field.

8 years of IT infrastructure experience with 5 years in a leadership role.

Certifications: Microsoft Certified: Azure Solutions Architect or Administrator Aruba Certified Switching Professional Red Hat or Linux equivalent.

Strong knowledge of HP servers SAN storage Windows/Linux OS and SQL Server.

Experience with hybrid cloud environments and Azure services.

Experience in designing and executing IT continuity and disaster recovery plans including conducting DR drills and ensuring alignment with business continuity frameworks.

Familiarity with scripting (PowerShell Bash) and automation tools.

Experience in the following technologies and concepts:

Microsoft 365 and SharePoint Online

HP Synergy / Server Blade Infrastructure

Storage Technologies Preferable HPE and Fibre Channel

Hyper-V and Hyper-V Clusters

Failover Clusters for MS SQL Server

IP Telephony

Proficiency with various operating systems windows linux etc

LAN/WAN/VPN Technology

In-depth understanding of TCP/IP and internetworking with heterogeneous technologies

Familiarity with DevOps practices and tools (e.g. CI/CD pipelines Docker Kubernetes).

Understanding of scripting and programming languages including but not limited to PowerShell Python Perl Bash Java PHP etc.

Technical documentation