L3 Network Security Engineer (India)

Required Skills & Experience

• 7+ years of experience in network security engineering, with at least 2 years at L3 / senior escalation level. (Must have enterprise level experience)
• Hands-on production experience with ZTNA / SASE platforms: Zscaler (ZIA, ZPA, ZDX) and Palo Alto GlobalProtect.
• Previous experience with complex troubleshooting across firewalls and performing firewall rule reviews, policy optimization, and segmentation improvements.
• Deep expertise with NGFWs: Fortinet FortiGate (FortiManager/FortiAnalyzer) and Palo Alto Networks (Panorama).
• Proven track record on high-stakes, business-critical projects and 24x7 operations, including major migrations or cutovers.
• Strong Python skills for network and security automation (e.g., requests, Netmiko, Paramiko, NAPALM, REST APIs, JSON/YAML, Git).
• Solid foundation in TCP/IP, routing (BGP, OSPF), switching, VLANs, NAT, IPsec/SSL VPN, DNS, and load balancing.
• Strong troubleshooting skills, including packet capture and log analysis.
• Excellent written and verbal communication, with the ability to explain technical risk to technical and non-technical stakeholders.

Nice to Have Skills & Experience

• Experience in healthcare or another regulated environment (HIPAA, PHI protection).
• Preferred certifications: Fortinet NSE 4 and Zscaler certifications.

Job Description

Insight Global is looking for a senior-level (L3) Network Security Engineer to design, secure, and operate the network that supports our client's clinical and business operations. You will be a technical authority on Zero Trust Network Access (ZTNA) and next-generation firewall (NGFW) platforms. This role carries high responsibility: our client's networks support patient care, so uptime, security, and sound change discipline are critical.