Network Security L2 Engineer

Job Description

Role : L2 Engineer – Network Security Engineer

This position is responsible for day-to-day administration of network firewalls, Routers, Switches, Load balancers (LLB+SLB) and proxy systems designed to protect networks and systems from malicious / unauthorized network access or misuse.

He / she ensures all the Business-Critical Systems are monitored, identify possible escalations and notify / seek assistance from track lead. Follow all the process and procedures defined for maintaining the environment.

He / she should possess strong technical and subject matter expertise in at least five or more of the following security specialties :

Firewalls : Palo Alto, Fortinet, Checkpoint, Juniper, Cisco

VPN - IPSEC, SSL VPN : Fortinet, Cisco, Palo Alto, Checkpoint, Juniper

IPS : Cisco, Palo Alto, Fortigate, Juniper

Unified Thread Management (UTM)

AAA services : ACS, Radius, RSA

Load Balancers : Radware, F5

Switches : Cisco, Juniper, HPE, Mellanox

Routers : Cisco, Juniper, HPE

Wireless : Cisco, HPE

Core Accountabilities :

Good Understanding on enterprise level Security based infrastructure systems planning, operations and maintenance, and management across multiple sites across the Globe.

Ability to handle escalation calls and resolve issues as per priority.

• Good understanding on Firewall (at least any three expert level ASA / Check Point / Palo Alto / FortiGate / Juniper etc.) and experience in handling security concepts (Rule ADD / Modify Delete, NAT, Faulty Firewall replacement, High Availability setup, packet capture, log analysis etc.) using CMD line and CSM / GUI / Smart console etc.
• Good knowledge on Load Balancers monitoring and troubleshooting, firmware upgrade, SSL offloading, Link Load Balancing Monitors, SLB’s, Service Weights & Service Groups.
• Troubleshoot and fix high priority issues related to Firewalls, Load balancers, IPS / IDS, Proxy, Switching, Routing. EDR feature knowledge and troubleshooting is added advantage.
• Work with the HW Vendors / TAC for the SW / HW related issues and provide the required fix.
• Troubleshoot Site to Site VPN (IPSEC / GETVPN / GRE / MGRE), Proxy related issue (In-house / Cloud Hosting) & End user remote access VPN issues.
• Involve in change management process for HW replacement / IOS upgrade / Config change / BW upgrade / Whitelisting or Blacklist URLs & FW Rule addition etc.
• Knowledge and experience in Incident, Change, Problem, Service request and Configuration Management Processes (ITIL certification is an added advantage).
• Monitor the queue and maintain regular updates on the Tickets as per agreed SLAs, providing the detailed closure summary on the tickets. Detailed Root cause summary to be documented for the Problem tickets. Document Pre & Post implementation logs & Script for change. Network Diagram Design, Documentation and updates.
• Working on the assigned tickets within the agreed Timeline / SLA as per the Ticket Priority / Severity and Adhere to the ITIL process with zero noncompliance.
• Upskilling current technical knowledge by learning new Technologies on the job and obtaining relevant technical certifications.

Behavioral & Leadership Competencies

Leadership Attributes

Qualifications : -

Technical Certifications :

Experience & Technical Competencies :