Tier 3 Infrastructure Engineer
Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 1, 2026. Job Mail scores C on the Alion truth index.
A South African company that provides a range of IT and communication solutions is seeking a highly skilled and experienced Tier 3 Infrastructure Engineer to provide advanced technical support and expertise. In this role, you will be responsible for maintaining, troubleshooting, and optimizing complex IT infrastructure systems.
Responsibilities:
Provide Advanced Administration and Support: Handle L2-L3 administration, troubleshooting, and maintenance for a wide range of infrastructure components, including:
Networking: Fortinet Firewalls, IDS/IPS, VPNs, security appliances, routing, switching, and wireless networking.
Virtualization: VMware vCenter and Hyper-V Hypervisors.
Systems: Linux, Windows Server (2012+), Active Directory, DNS, and DHCP.
Storage: SAN and vSAN storage infrastructure.
Cloud: Azure, Amazon Web Services (AWS), and Google Cloud.
Manage Security Infrastructure: Maintain and improve security with proactive monitoring and event management. This includes managing firewalls, vulnerability management systems, and SIEM.
Respond to and Remediate Incidents: Analyze and triage security events and alarms detected by the SIEM system. Respond to security incidents and threats logged on the service desk, performing remediation and mitigation as needed.
Manage IT Projects: Assist with IT and security-related projects, rollouts, and infrastructure maintenance, including backups (VEEAM), business continuity, and disaster recovery.
Develop and Maintain Security: Provide technical input on company IT security standards in alignment with industry best practices like ISO27001 and SOC 2. Design, implement, and manage endpoint security solutions (e.g., anti-malware, MDM) and safeguards for the organization's cloud footprint.
Drive Process Improvement: Identify opportunities for automation of repetitive tasks and contribute to the upskilling and training of junior staff.
Stay Current: Remain up-to-date with industry trends in cybersecurity, providing input to the business on innovations and improvements.
Minimum Requirements:
Certifications required:Microsoft MCSE / Cisco CCNA / VMware
Linux / Azure / AWS / Google Cloud
EC Council CEH / Security+ / CISSP
Fortinet FCP / Fortinet FCSS
10+ years of overall experience in a Network & Security support environment.
At least 5 years of experience in the following:
Network administration and support for firewalls, switches, and wireless (Fortigate & Cisco).
Windows Server 2012 and newer administration, including Active Directory.
Linux administration.
Backup and recovery.
Proven ability to administer and configure virtual environments.
NB: Application Deadline is 11th August 2025
Benefits:
- Competitive salary based on experience (salary can potentially be more based on experience/skills)
IF you meet the above requirements and want to make a career-changing move, apply today by emailing your CV to [email protected]
You can also connect with Daniel on LinkedIn or contact Hire Resolve
If you meet the above requirements we will contact you within 3 working days