Senior Onsite IT Infrastructure Engineer

University of Johannesburg; South Africa; Sur place; ZAR 60 000 - 81 000; Plein temps

Résumé du poste

Medtronic in Johannesburg is seeking a Senior IT Technologist to deliver advanced, hands-on infrastructure support across office, manufacturing, distribution, administrative, and lab environments. You will ensure the stability, performance, and uptime of critical IT systems on site.

This role requires collaborating with local and global IT teams to support and optimize infrastructure operations. Strong networking, compute, storage, and security knowledge, plus after-hours support and occasional

Qualifications

• Matric plus IT diploma/degree with 4+ years of relevant experience.
• Experience across networks, servers, storage, and backup solutions.
• Strong troubleshooting and diagnostic capability in infrastructure environments.
• Advanced knowledge of networking, device security, and enterprise systems.
• Proficiency in monitoring and troubleshooting tools.
• Ability to independently perform infrastructure tasks (rack, stack, cabling).
• Experience with Cisco, Juniper, or Dell Technologies.
• Strong communication and stakeholder engagement skills.

Responsabilités

• Design, deploy, and document infrastructure solutions that meet business, architecture, and compliance requirements.
• Manage system configuration, capacity, compatibility, reliability, and overall infrastructure performance.
• Monitor environments, troubleshoot issues, analyze logs, and implement changes to improve performance and efficiency.
• Provide advanced support for network infrastructure, including routers, switches, wireless, firewalls, and multi-site connectivity.
• Maintain secure and reliable LAN, WAN, and MAN networks, including patching, segmentation, and upgrades.
• Deliver onsite infrastructure support, including diagnostics, hardware installation, cabling, configuration, and asset lifecycle management.
• Lead or support local and multi-site infrastructure projects, ensuring milestones, resources, and delivery timelines are met.
• Coordinate vendors, procurement, and onsite service activities while aligning business, site, and regional infrastructure needs.
• Collaborate with stakeholders, global IT teams, and service providers to provide technical guidance, status updates, and recommendations.
• Create and maintain technical documentation, standards, SOPs, and support for networking, compute, storage, backup, cloud, and hybrid environments.

Connaissances

Networking

Troubleshooting

Vendor management

Project coordination

Documentation

PowerShell

Formation

Matric + 3-year IT diploma/degree

CCNA certification

Outils

Cisco

Juniper

Dell Technologies

SCCM

Intune

PowerShell

Description du poste

Medtronic in Johannesburg is seeking a Senior IT Technologist to deliver advanced, hands-on infrastructure support across office, manufacturing, distribution, administrative, and lab environments. You will ensure the stability, performance, and uptime of critical IT systems on site.

This role requires collaborating with local and global IT teams to support and optimize infrastructure operations. Strong networking, compute, storage, and security knowledge, plus after-hours support and occasional