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IT Infrastructure Manager | Waterfall, Midrand, Gauteng

IT Infrastructure Manager | Waterfall, Midrand, Gauteng

PSG Konsult LtdJohannesburg, Gauteng, South Africa
15 hours ago
Job description

Job title : IT Infrastructure Manager | Waterfall, Midrand, Gauteng

Job Location : Gauteng, Johannesburg

Deadline : October 25, 2025

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Responsibilities

  • Infrastructure Strategy & Planning

    • Develop and maintain PSG’s 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.
  • Landscape Documentation

    • 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 PSG’s 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 PSG’s 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 PSG’s 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

    • Bachelor’s 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
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