Posted on: 17/12/2025
Description :
Key Responsibilities :
Shift Leadership & Incident Response :
- Lead network security operations during assigned shifts; manage escalations and ensure SLA compliance.
- Investigate and respond to network-based threats (DDoS, lateral movement, unauthorized access).
- Execute network security playbooks and document RCA for incidents.
Network Security Operations :
- Configure, monitor, and maintain firewalls (Palo Alto, Fortinet, Check Point) and VPN solutions.
- Manage IDS/IPS systems and ensure detection fidelity.
- Implement and enforce network segmentation and zero-trust principles.
Zscaler Administration :
- Operate and troubleshoot Zscaler ZIA/ZPA policies for secure web and application access.
- Monitor logs and alerts for anomalies; collaborate with network teams for policy optimization.
Threat Detection & Hunting :
- Perform network-based threat hunting using flow analysis, packet captures, and threat intel.
- Tune IDS/IPS signatures and Zscaler policies to reduce false positives and improve detection coverage.
Reporting & Compliance :
- Prepare and present network security posture reports, including firewall rule audits, VPN usage, and threat trends.
- Ensure compliance with frameworks (ISO 27001, NIST CSF) and support audit readiness.
Required Qualifications :
- 5 to 8 years in Network Security / SOC / Incident Response.
- Hands-on experience with firewalls, VPN, IDS/IPS, and Zscaler ZIA/ZPA.
- Proven Shift Lead experience in a 247 environment.
- Strong understanding of TCP/IP, routing, switching, and network protocols.
- Excellent communication and reporting skills.
Nice-to-Have :
- Experience with cloud networking security (Azure/AWS/GCP).
- Familiarity with DDoS mitigation, proxy/DLP, and network forensics.
- Certifications : CCNP Security, PCNSE, Zscaler Certified Professional, Security+, CySA+.
Tools & Technologies :
Firewalls :
IDS/IPS :
Zero Trust :
VPN :
Monitoring :
- Network incident MTTD/MTTR.
- Firewall rule audit compliance.
- VPN uptime and secure access SLA.
- Threat detection accuracy and false positive reduction.
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Posted in
CyberSecurity
Functional Area
Cyber Security
Job Code
1592236
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