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This job expired on 24/08/2026. It no longer accepts applications.
Security Analyst – Network & Cloud Security
Prime System Solutions · Johannesburg
Job description
About the role
We are seeking a seasoned Security Analyst with deep expertise in network infrastructure, cybersecurity, and Managed Service Provider (MSP) operations. The role will focus on securing client environments, ensuring compliance, and driving operational excellence across a global client base.
Key responsibilities
- Design, implement and manage secure LAN/WAN architectures for enterprise and MSP clients.
- Conduct firewall audits, vulnerability assessments and infrastructure hardening (Cisco ASA, FTD, Fortinet, SonicWall).
- Perform real‑time security monitoring using SIEM tools and respond proactively to alerts and incidents.
- Manage and troubleshoot Next‑Generation Firewall devices and enforce security policies.
- Oversee client onboarding and off‑boarding, including system configuration, access provisioning and documentation handover.
- Configure and support cloud platforms (Microsoft Azure, AWS, Google Cloud) to strengthen client security posture.
- Administer Microsoft 365 environments – user provisioning, Exchange Online, licensing and security settings.
- Deploy and manage monitoring and security tools such as SolarWinds, Nagios XI, Auvik, Cisco OpenDNS, Datto RMM, NinjaOne and Dark Web Monitoring.
- Configure Layer 2/3 networking (VLANs, STP, OSPF, EIGRP, BGP, QoS, IPSec VPNs, MPLS).
- Implement AAA, MFA, IDS/IPS and RADIUS solutions for secure network access.
- Contribute to ISO 27001 compliance initiatives and maintain ITIL‑aligned change management processes.
- Design disaster‑recovery plans and manage Microsoft Server environments (AD, DNS, DHCP, RDS) and virtualization platforms.
- Produce detailed technical reports and ensure compliance with contractual and regulatory requirements.
Required profile
- 8‑12 years of hands‑on experience in network infrastructure, NOC operations and cybersecurity.
- Bachelor’s degree in Computer Engineering, Computer Science or a related field.
- CCNP Security (or equivalent) certification; CCIE or CCIE Security preferred.
- Strong understanding of ITIL frameworks and ISO 27001 security standards.
- Experience working in MSP environments managing multi‑client infrastructure.
Required skills
- Cisco ASA, Cisco FTD, Fortinet FG Series, SonicWall, NetScaler firewalls.
- Cisco routers & switches, Nexus, Meraki, Ubiquiti, Arista networking gear.
- Routing protocols: OSPF, EIGRP, BGP, MPLS, IPSec VPN.
- RMM tools: Datto RMM, Kaseya, NinjaOne, ConnectWise.
- Cloud platforms: Microsoft Azure, Amazon Web Services, Google Cloud Platform.
- SIEM platforms (e.g., AlienVault) and security monitoring tools.
- Microsoft 365 administration, Exchange Online, Active Directory, DNS, DHCP, RDS.
- Virtualization platforms and disaster‑recovery planning.
- ITIL change management and ISO 27001 compliance processes.
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Prime System Solutions
Johannesburg
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