Network Security Engineer

5-8 Years

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Early Applicant

Job 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

58 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+.