Network Security Engineer - Advanced Level

About the role

As an IIT Network Security Engineer, you will play a critical role in designing, engineering, and managing the Industrial Control systems security posture. You will ensure that the network infrastructure aligns with corporate and industrial security policies and standards, protecting against evolving cyber threats. This role involves operating and maintaining key security technologies—such as firewalls, IDS/IPS, and other advanced controls—while applying DevOps principles to drive automation, scalability, and resilience.

Key responsibilities

• Design, implement, and manage network security strategies across the industrial networks - internal and external connections
• Research and recommend industry best practices and emerging technologies in network security
• Operate and maintain security appliances (Palo Alto, Fortigate), including upgrades and patching
• Build and manage network security infrastructure using DevOps practices and automation tools
• Contribute to the Zero-Ops vision by developing solutions that reduce manual intervention and improve operational efficiency
• Support security operations: monitoring, analysis, incident response, and vulnerability management
• Evaluate security advisories and vulnerabilities, providing timely recommendations and mitigations
• Participate in ad-hoc vulnerability assessments and response planning
• Coordinate with stakeholders across Cybersecurity, Projects, and internal customers
• Develop and maintain operational processes and documentation for ongoing support and hygiene

About you

• Proficient with security platforms: Palo Alto (Firewall, Panorama), Fortigate (Firewall, FortiManager), Cisco (ASA, FTD, FMC)
• Strong understanding of networking fundamentals: TCP/IP, OSI model, routing/switching, ACLs
• Familiarity with security technologies: firewalls, VPNs, IDS/IPS, encryption, authentication, vulnerability management, and incident response
• 5 to 10 years of relevant experience
• Experience supporting global operations or stakeholders
• Prior remote working experience
• Strong communication and stakeholder management skills
• 24 x 7 on-call support (1 week rotation, approximately 4-5 weeks rotation cycle)
• Overtime required on ad-hoc basis for working beyond scheduled working hours