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Security Analyst

Prime System Solutions · Johannesburg, Gauteng, South Africa

IT - Network / Systems / DB AdminSenior LevelQuick applyfull-time10 days ago

About The Role

We are looking for a seasoned Security Analyst with deep expertise in network infrastructure, cybersecurity, and MSP operations. The ideal candidate will have a strong background in firewall management, threat detection, cloud security, and client onboarding/offboarding. You will play a pivotal role in securing client environments, ensuring compliance, and driving operational excellence across our global client base.

KEY RESPONSIBILITIES

  • Design, implement, and manage secure LAN/WAN network architectures for enterprise and MSP clients.
  • Conduct firewall audits, vulnerability assessments, and infrastructure hardening across client environments (Cisco ASA, FTD, Fortinet, SonicWall).
  • Perform real-time security monitoring using SIEM tools and respond to alerts and incidents proactively.
  • Manage and troubleshoot Next-Generation Firewall (NGFW) devices and enforce security policies.
  • Oversee client onboarding and offboarding processes including system configuration, access provisioning/decommissioning, and documentation handover.
  • Configure and support cloud platforms including Microsoft Azure, AWS, and Google Cloud Platform for client security posture.
  • Administer Microsoft 365 environments — user provisioning, Exchange Online, licensing, and security configurations.
  • 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 including VLANs, STP, OSPF, EIGRP, BGP, QoS, IPSec VPNs, and MPLS.
  • Implement AAA, MFA, IDS/IPS, and RADIUS solutions to secure network access.
  • Contribute to ISO 27001 compliance initiatives and maintain ITIL-aligned change management processes.
  • Design and document disaster recovery plans for network and server infrastructure.
  • Manage Microsoft Server environments (AD, DNS, DHCP, RDS) and virtualization platforms.
  • Produce detailed technical reports and ensure compliance with contractual and regulatory requirements.

MUST HAVE

  • 8–12 years of hands-on experience in network infrastructure, NOC operations, and cybersecurity.
  • Proficiency with firewalls: Cisco ASA, FTD, Fortinet FG Series, SonicWall, and NetScaler.
  • Strong networking skills: Cisco Routers & Switches, Nexus, Meraki, Ubiquiti, and Arista.
  • Hands-on experience with RMM tools: Datto RMM, Kaseya, NinjaOne, ConnectWise, or equivalent.
  • Experience with cloud platforms: Microsoft Azure, AWS, and/or Google Cloud Platform.
  • Solid understanding of ITIL frameworks and ISO 27001 security standards.
  • Strong command over routing protocols: OSPF, EIGRP, BGP, MPLS, and IPSec VPNs.
  • Experience with MSP environments and managing multi-client infrastructure.
  • CCNP Security (or equivalent) certification.
  • Bachelor's degree in Computer Engineering, Computer Science, or a related field.

NICE TO HAVE

  • CCIE (Written or Lab) or CCIE Security Bootcamp completion.
  • AWS Certified Solutions Architect – Associate or equivalent cloud certification.
  • Experience with SIEM platforms such as AlienVault or similar tools.
  • Exposure to telecom technologies: GPON, MSAN, IPTV, Huawei U2000, or Alcatel AMS.
  • Experience with wireless infrastructure: UniFi APs and Controllers.
  • Familiarity with virtualization platforms (ESXi, Hyper-V) and Ubuntu/Linux server administration.
  • Prior experience in healthcare IT or data center environments.

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