Posted on: 29/01/2026
Firewall L2 Engineer
Experience : 4- 8 years
Location : Mumbai
Key Responsibilities :
- Commission and implement multiple network security/firewall solutions and integrate them with management, authentication, and authorization tools (e.g., email, AD, IAM, SIEM).
- Perform configuration management, capacity management, and ensure the day-to-day monitoring and administration of network security infrastructure in a 24/7 environment.
- Troubleshoot and resolve network security incidents; conduct root cause analysis (RCA).
- Support incident monitoring, incident analysis, and incident response initiatives.
- Utilize network monitoring tools proactively to isolate events and prevent service degradation.
- Coordinate with users to ensure timely and satisfactory resolution of trouble tickets, troubleshooting layers 1-3 of the OSI model (network, transport, session).
- Handle complex troubleshooting across network, transport, session, presentation, and application layers.
- Provide 24/7 support for troubleshooting network outages reported by users or monitoring systems.
- Design and implement network security policies, standards, and procedures.
- Conduct daily performance checks on devices and perform periodic audits and compliance checks.
- Maintain accurate technical documentation, including network diagrams, inventory control, and security documentation.
- Ensure closure of compliance and audit points in line with timelines.
- Work closely with OEMs for technical support, RMA, and reconfiguration of network security products.
- Coordinate with the helpdesk team, IT support teams, and application support teams to troubleshoot and resolve high-priority incidents.
- Collaborate with the client SPOC to set expectations for ad-hoc activities.
- Work on integrating security tools with REST APIs/SDKs, including tools like AD, IDAM, PAM, SIEM, SOAR.
- Design and implement network security solutions for Data Centers (DC), Disaster Recovery (DR), Cloud, and Branch Office environments.
- Guide, lead, and mentor L1 engineers to ensure knowledge transfer and efficient issue resolution.
- Ensure the ticket closure within SLA and escalate tickets when necessary.
Required Skillset :
- 4+ years of experience in network security, including at least 3 years working with multiple network security/firewall solutions.
- Strong conceptual understanding of network security and hands-on experience with Windows, Linux, and Unix environments.
- Expertise in packet capture, analysis, and troubleshooting using tools like Wireshark/Pcap.
- Strong experience with managing policies and exceptions in network security solutions.
- Proficiency in firewall consoles and network security tools.
- Hands-on experience with SIEM, IAM, AD, and other security tools.
- Ability to automate and integrate security tools via REST API/SDK.
- Experience with implementing and maintaining security measures across DC, DR, Cloud, and Branch Office environments.
- Knowledge in handling incident management, change management, and capacity management of network security solutions.
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Posted in
CyberSecurity
Functional Area
IT Security
Job Code
1607702