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L3 Enterprise Infrastructure Engineer
The Recruitment PigJohannesburg, Gauteng, South Africa19 hours ago
Job descriptionServe as the primary escalation point for critical issues related to virtualized environments (Hyper-V and / or VMware), Windows Server architecture, and complex Active Directory configurations. Manage and optimize core on-premise infrastructure, ensuring stability and performance across server, storage, and identity services. Perform structured Root Cause Analysis (RCA) on major incidents to address systemic failures and prevent recurrence. Provide expert configuration, management, and troubleshooting for complex L2 / L3 networking, routing, switching, and secure WAN / VPN solutions. Administer and maintain enterprise-grade firewalls and wireless environments (e.g., Fortinet, Meraki), diagnosing sophisticated connectivity and edge security issues. Manage and test sophisticated backup and Disaster Recovery (DR) solutions (e.g., Veeam or Cove), ensuring verifiable data integrity and recovery readiness. Administer Endpoint Detection and Response (EDR), Email Security, and other advanced security platforms. Collaborate with the dedicated security division on vulnerability management and Continuous Threat Exposure Management (CTEM) strategies. Lead the technical execution of complex client projects (migrations, deployments, upgrades) from planning through to delivery. Mentor L1 and L2 engineers, fostering a culture of technical excellence and structured troubleshooting. Maintain meticulous technical documentation, architectural diagrams, and Standard Operating Procedures (SOPs), adhering to formal change control processes. Drive continuous service improvement by seeking opportunities to automate repetitive tasks using scripting and RMM tooling. Experience : Minimum of 5+ years operating at a dedicated L3 level within a Managed Service Provider (MSP) or a highly complex, multi-site enterprise environment. Certifications : Mandatory possession of CompTIA Network+ and ITIL Foundation certifications. Highly valued professional certifications include the Microsoft Certified : Enterprise Administrator Expert track, Azure Administrator, or similar high-level vendor qualifications (Fortinet, VMware, etc.). Technical Expertise : Proven, expert-level administration of : Hyper-V and / or VMware virtualization platforms. The full Microsoft 365 suite, including Exchange Online, Intune, and Entra ID (Azure AD). Enterprise-grade firewalls (e.g., Fortinet) and complex routing / switching (L3 troubleshooting, VPNs). Modern backup and security platforms (EDR, Email Security). Logistics : Valid driver’s licence and reliable transport is required for occasional client travel. The ideal candidate is a structured problem-solver with a profound sense of ownership, who thrives in a fast-paced environment and possesses : Exceptional professional communication skills, especially when communicating complex technical issues to clients and executives. The ability to remain calm and methodical when handling high-pressure, major incidents. A structured approach to troubleshooting, strong follow-through, and a commitment to the principle that “done means documented”.
L3 Enterprise Infrastructure Engineer required in Johannesburg.
We are seeking a highly specialized and disciplined Level 3 (L3) Enterprise Infrastructure Engineer to serve as a Subject Matter Expert and the final point of technical escalation.
This role is foundational to our service delivery strategy, requiring deep technical mastery to maintain, deploy, and troubleshoot mission-critical cloud, server, and network infrastructure.
You will be responsible for leading complex technical projects, driving automation, and ensuring the highest level of stability for environments where system downtime carries catastrophic risk. This position demands a proactive approach, strong ownership, and meticulous documentation discipline.
Location : Johannesburg, South Africa (On-site with required travel to client sites; participation in a standby rotation for critical after-hours incidents and changes).
Reports To : Service Delivery Manager.
Salary Range : R40,000 – R60,000 per month (Based on experience).
Key Responsibilities
As a top-tier engineer, your focus will be on complex problem resolution, strategic implementation, and technical leadership.
Cloud & Modern Workplace Architecture :
- Design, deploy, and administer advanced Microsoft 365 and Azure environments, specializing in Entra ID (Azure AD), security configurations, and Conditional Access Policies.
- Manage complex configurations for the full M365 stack, including Exchange Online, SharePoint, and Intune / Microsoft Endpoint Manager, ensuring consistent device and user policy application.
- Develop and implement solutions that utilize Microsoft platforms to enable effective, secure, and collaborative digital workflows across client organizations.
Core Infrastructure & Virtualization :
Enterprise Networking & Edge Security :
Security & Data Resilience :
Leadership & Service Discipline :
Minimum Requirements
We require an established professional with deep experience in the Managed Services space :
Windows Server, Active Directory, and Group Policy management.
Personal Attributes
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Infrastructure Engineer • Johannesburg, Gauteng, South Africa
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