Provide third-level support for complex network infrastructure, diagnose advanced issues, mentor junior engineers, and ensure network performance and security.
Senior Network Engineer (L3)1
Job Description/Responsibilities:
Operational Responsibilities:
- Provide third-level support for complex network infrastructure, including routers, switches, firewalls, and wireless access points.
- Diagnose and resolve advanced network issues escalated from L1 and L2 support, applying in-depth knowledge of networking protocols and technologies.
- Conduct thorough root cause analysis for recurring network problems and develop permanent solutions to mitigate future occurrences.
- Monitor network performance and analyze traffic patterns using advanced network monitoring tools to proactively identify and address potential bottlenecks, security threats, or performance issues.
- Collaborate with vendors and service providers to troubleshoot hardware or software issues, coordinating efforts to ensure timely resolution and minimal impact on operations.
- Perform regular audits of network configurations, ensuring adherence to industry best practices, security standards, and regulatory requirements.
- Mentor and train junior network engineers, sharing expertise on advanced troubleshooting techniques, network design principles, and security best practices.
- Participate in on-call rotation and provide after-hours support for critical network incidents (Major Incident Management-MIM) or maintenance activities, ensuring the availability and reliability of network services. End-to-End responsibility.
Certifications required :
- CompTIA Network+
- Cisco CCNA & CCNP
- Juniper JNCIP-ENT
- CISSP
- JUNIPER (JNCIA-Junos)
- PCNSA (Palo-alto firewall certification)
- NSE (Fortinet Network Security)
- NSE 1: The Fundamentals
- NSE 2: The Threat Landscape
- NSE 3: Fortinet Solutions
- NSE 4: FortiOS Security
Must Hands-on Experience with Network Equipment Vendors:
- Juniper Networks (Router, Switch, Firewall, and Wi-Fi - MIST)
- Palo Alto Networks (Firewall)
- F5 Networks (Load balancer)
Top Skills
Firewalls
Network Infrastructure
Network Monitoring Tools
Routers
Switches
Wireless Access Points
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