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Remote Sr. Network Security Engineer

Remote Sr. Network Security Engineer

Nextbridge IT SolutionsThiruvananthapuram, IN
23 hours ago
Job type
  • Remote
Job description

We are seeking an experienced subject matter expertise (SME) in the Fortinet . This critical role is centered on high-severity incident management, complex security troubleshooting, and architectural improvements to our network infrastructure. The ideal candidate must have proven experience with Zero-Trust principles, specifically with Zscaler (ZIA / ZPA) . You will thrive in high-pressure situations and have deep, hands-on experience managing secure enterprise network environments. The candidate must be able to join within 30 days after receiving the job offer.

Responsibilities

  • Serve as the final L3 escalation point for all network security-related Major Incidents (MIM) and Priority-1 (P1) issues, with a primary focus on the Fortinet and Zscaler ecosystems.
  • Take full ownership of the Fortinet Security Fabric, including expert-level configuration, management, and troubleshooting of FortiGate firewalls, FortiManager, and FortiAnalyzer.
  • Design, implement, and manage Fortinet SD-WAN solutions, focusing on routing optimization, policy creation, failover, and performance tuning.
  • Configure and maintain FortiSwitch and FortiAP deployments, ensuring seamless and secure LAN and WLAN connectivity.
  • Implement, manage, and troubleshoot the Zscaler Zero-Trust platform, including Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).
  • Lead technical resolution during critical network outages and security incidents by hosting bridge calls and war rooms.
  • Perform comprehensive root cause analysis (RCA) and deliver detailed post-incident reports to stakeholders.
  • Collaborate with vendors, including Fortinet, Zscaler, and ISPs, to escalate complex issues and expedite service restoration.
  • Proactively monitor network and security performance, tuning alerts and dashboards using tools like ScienceLogic.
  • Partner with Information Security teams to enforce Zero-Trust policies, ensure network compliance, and maintain secure remote access.

Qualifications

  • 5–8 years of hands-on experience as a Network Security Engineer in a large-scale enterprise environment.
  • 2+ years of direct experience in a Major Incident Management (MIM) or L3 escalation role is required.
  • Expert-level knowledge of the Fortinet Security Fabric , including FortiGate policy configuration, VPNs (IPsec / SSL), high availability (HA), FortiSwitch, FortiAP, and SD-WAN.
  • Demonstrable experience with Zero-Trust architecture and hands-on expertise in implementing and managing Zscaler (ZIA and ZPA).
  • Solid understanding of core networking and routing protocols, including BGP, OSPF, VLANs, ACLs, NAT, and QoS .
  • Proficiency with ITIL frameworks, specifically Incident, Problem, and Change Management processes.
  • Experience with network monitoring and analysis tools (e.g., ScienceLogic, Wireshark).
  • Industry certifications are highly preferred :

  • Fortinet : NSE 5 / 6 or higher is strongly desired.
  • Zscaler : Zscaler Certified Cloud Administrator (ZCCA) / Professional (ZCCP) is a significant plus.
  • Cisco : CCNP Enterprise / Security is beneficial.
  • Ideal Candidate Profile

  • Crisis Management : Demonstrates a calm, structured, and commanding presence during high-pressure incidents.
  • Technical Depth : An expert in Fortinet and Zscaler technologies with a broad and deep understanding of modern network security principles.
  • Collaborative Mindset : Works effectively across internal teams, vendors, and business stakeholders to drive swift resolutions.
  • Clear Communicator : Provides clear, concise, and timely updates during incidents and in post-mortem documentation.
  • Proactive Ownership : Goes beyond reactive fixes to identify underlying issues, recommend optimizations, and improve network resilience.
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    Network Security Engineer • Thiruvananthapuram, IN

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