Cloud & Security Infrastructure Specialist

Cloud & Security Infrastructure Specialist

We are seeking an experienced Cloud & Security Infrastructure Specialist to join our team. This role is responsible for designing, implementing, operating, maintaining, and upgrading security solutions across cloud (Azure) and on-premises environments, with a strong focus on Firewalls, WAF, and Netscaler.

Key Responsibilities:

• Plan, implement, operate, maintain, and upgrade security solutions in cloud and on-premises environments.
• Build, configure, and manage server environments and cloud infrastructure.
• Operate and manage Firewalls (Checkpoint, Fortinet) including:
• Policy creation, firewall architecture, upgrades, and VPNs (S2S).
• CLI and GUI configuration, Firewall Policy Management.
• Familiarity with different Blades/Modules.
• Manage and operate WAF solutions (F5):
• Proactive and reactive WAF management.
• Log analysis, anomaly detection, and response to cyber incidents in network and applications.
• Implementation and automation of WAF policies in cloud environments.
• Manage PKI infrastructure, including certificates and internal services.
• Write and maintain Infrastructure-as-Code scripts, Python automation, and APIs for security operations.
• Monitor, troubleshoot, and respond to cyber security incidents and network anomalies.
• Manage DNS, DHCP, ARP, routing (static & dynamic), IP subnetting, and secure LAN/WAN communications.
• Provide on-site support for critical incidents, including hospital environments.
• Ensure backup, recovery, and operational efficiency of cloud and on-premises systems.

Required Qualifications:

• 4+ years of experience with public cloud environments - Must
• 3+ years of experience in Information Security and network communications - Must
• Hands-on experience with Firewalls, WAF, and Netscaler - Must
• Deep knowledge of network communications:
• 7-layer OSI model, packet structure, DNS, ARP, DHCP, routing, IP subnetting - Must
• Hands-on experience with Firewall management (Checkpoint/Fortinet): architecture, policy creation, VPNs, CLI/GUI, Blades/Modules - Must
• Experience with Netscaler - Must
• Experience managing WAF (F5), including proactive/reactive security, log analysis, anomaly detection, and automation - Must
• Strong understanding of PKI infrastructure - Must
• Willingness to provide on-site support in case of critical incidents - Must
• Experience with F5 products - Must
• Familiarity with cloud technologies: Azure, Kubernetes (K8S), OpenShift (OCP).
• Python scripting and API automation experience.