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Network Security Specialist

Job in 400001, Mumbai, Maharashtra, India
Listing for: airtel
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support, Systems Engineer, Systems Administrator
Job Description & How to Apply Below
• Role:
Firewall - L2



Experience:

5 to 10 years of experience working on Network Security



Location:

Mumbai

• Product Certification PA/Checkpoint/Cisco ASA/Fortinet
Required Candidate profile

• Overall 3-6 years’ experience in network security with at least 3 years in managing PA/CHECKPOINT/CISCO ASA/FORTINET solutions

• Proficiency with management PA/CHECKPOINT/CISCO ASA/FORTINET

• Experience in working with Windows, Linux, Unix environments

Hands-on experience in commissioning and Implementation of PA/CHECKPOINT/CISCO ASA/FORTINET solutions and integrating with various management and authentication authorization tools (email, AD, IAM, SIEM)

• Experience in automating processes using scripting, configuration (SOAR) tools

• Experience in managing policies and exceptions

• Experience in packet capture, analysis, and troubleshooting tools

Product knowledge of PA/CHECKPOINT/CISCO ASA/FORTINET solution.

• Incident, problem, service request management, change management, configuration management &capacity management of PA/CHECKPOINT/CISCO ASA/FORTINET Setup

• Proactively utilize network monitoring tools to isolate events before service degradation occurs

• Supporting incident monitoring and incident analysis/response initiatives

• Coordinate with users to ensure timely and satisfactory resolution for any trouble tickets, troubleshooting layers 1, 2, and 3 of the OSI Model.

• Troubleshooting network, transport, session, presentation and applications layers

• Conducting daily performance checks on devices, periodic audits and compliance

• Performing immediate troubleshooting as the situation dictates for any network outages as reported by users, sensors, and/or operational personnel

• Implement, and maintain network security policy, standards, and procedures.

• Deploying and maintaining access and security policies for PA/CHECKPOINT/CISCO ASA/FORTINET solutions.

• Maintaining service levels as well as oversight of the day-to-day configuration, administration and monitoring of the network security infrastructure in a 24/7.

• Co-ordination with OEMs for TAC support, RMA, replacement & and reconfiguration of PA/CHECKPOINT/CISCO ASA/FORTINET .

• Creating technical documentation, as-built network diagrams, inventory control documentation, and security documentation.

• Co-ordinate helpdesk team, other IT support teams, and application support teams to jointly troubleshoot and fix the high priority/severity incidents.

• Investigate, isolate, and resolve PA/CHECKPOINT/CISCO ASA/FORTINET incidents with RCA.

• Designing and implementing PA/CHECKPOINT/CISCO ASA/FORTINET solutions for DC/DR/Cloud and Branch office environments.

• Create SOP/Run book and update knowledgebase in ITSM tools.

• Work to automate and integrate the tools with REST API/SDK with security dashboard, and Infosec tools (AD, IDAM, PAM, SIEM, SOAR, etc.)

• Closure of compliance and audit points as per the agreed timelines.

• Patch updates, and upgradation as per the Bank's compliance and audit requirements

• Should be able to Lead and mentor L1 & L2 engineers team.

• Must be comfortable in reading packet captures and analysis (Wireshark/Pcap).

• Excellent verbal and written communication skills

• Demonstrated success in managing, analyzing, and solving complex issues

• Ownership of their technology.

• Ensure Ticket closure in SLA and follow up for escalated tickets

• SLA reporting for respective technology.
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