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IT Infrastructure Manager | Waterfall, Midrand, Gauteng
PSG Konsult LtdJohannesburg, ZA5 days ago
Job descriptionDevelop 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. 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. 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. 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. 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. 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). 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. 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. 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. 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. 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. 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. 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. 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. 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. Produce regular reports on infrastructure health, capacity, performance, and risk posture. Present insights and recommendations to IT leadership and governance committees. 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. 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 ICT jobs
Job title : IT Infrastructure Manager | Waterfall, Midrand, Gauteng
Job Location : Gauteng, Johannesburg
Deadline : October 25, 2025
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Responsibilities :
Infrastructure Strategy & Planning
Hybrid Environment Management
Network & Connectivity Oversight
Landscape Documentation
Desktop Computers
Security & Compliance
Monitoring, Maintenance & Lifecycle Management
Incident & Change Management
IT Continuity Responsibilities
Cloud Integration and DevOps
Infrastructure as Code (IaC)
Internet Connectivity
Audio Visual
Telephony
Financial Management
Team Leadership & Vendor Management
Operational Reporting
Minimum requirements :
Experience in the following technologies and concepts :
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It Infrastructure Manager • Johannesburg, ZA
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