Tier 3 Infrastructure Engineer
- Midrand, Johannesburg
- Permanent
- Full-time
- Provide L2-L3 administration, troubleshooting, and maintenance of:
- Firewalls, IDS/IPS, VPNs, security appliances, and cloud security solutions
- Routing, switching, and wireless networking
- VMware vCenter and Hyper-V hypervisors
- Server hardware and components
- Storage infrastructure (SAN and vSAN)
- Linux and Windows systems administration
- Active Directory and identity management
- Cloud platforms including Azure, AWS, and Google Cloud
- Monitor network and systems performance
- Manage and maintain security infrastructure and tools such as firewalls, vulnerability management systems, and SIEM
- Assist with IT and security-related projects, including backups, business continuity, and disaster recovery
- Proactively monitor IT system security and respond to security events and incidents
- Analyze and triage security events from SIEM tools
- Respond to and remediate security incidents and threats reported via service desk
- Handle requests related to network, security, and hypervisor infrastructure
- Assist with additional system administration tasks as needed
- Stay current on cybersecurity trends and provide recommendations for improvements and best practices
- Help design, implement, and manage endpoint security solutions such as anti-malware, antivirus, and mobile device management
- Automate repetitive tasks where possible
- Provide technical input for IT security standards aligned with industry frameworks such as ISO 27001 and SOC 2
- Develop and maintain security safeguards for the organization's cloud environments
- Train and upskill junior staff
- Microsoft MCSE, Cisco CCNA, VMware certifications
- Linux, Azure, AWS, or Google Cloud certifications
- EC Council CEH, Security+, CISSP
- Fortinet FCP, FCSS
- 10+ years' experience in network and security support across on-premise and cloud environments
- Minimum 5 years' experience with:
- Network administration and support for firewalls, switches, wireless (Fortinet & Cisco), and VPN clients
- Windows Server 2012+ and Active Directory/DNS/DHCP administration
- Linux system administration
- Backup and recovery solutions
- Virtual environment administration and configuration
- Contact Hire Resolve today for your next career-changing move
- Our client is offering a highly competitive salary for this role based on experience.
- Send your CV to:
- We will contact you telephonically in 3 days should you be suitable for this vacancy. If you are not suitable, we will put your CV on file and contact you regarding any future vacancies that arise.