Specialist - Network and Firewall

Job Title:

Experience:5+ years

Location: Bangalore/Chennai

Work from Office, 5 days in a week.

Overview:

• Configure, deploy, maintain, and troubleshoot infrastructure and customer carrier IPsec VPN tunnels.
• Investigate and diagnose incidents, resolve or escalate based on defined metrics and service levels.
• Log and update incident investigations and resolutions.
• Provide handson support for Cisco, Palo Alto, Juniper, Fortinet, and Aruba networks.
• Participate in ongoing infrastructure initiatives: firmware/IOS upgrades, hardware refreshes, security hardening, and enterprise monitoring improvements.
• Create and maintain detailed technical documentation (standards, processes, run books).
• Utilize monitoring tools such as SolarWinds, Network Physics, Sniffer, MRTG, and Cisco Works.
• Perform intermediate TCP/IP packet analysis using Wireshark or TCP dump.
• Work in a 24/7 shift environment.
• Communicate effectively with crossfunctional teams and stakeholders.

Required Skills & Experience

• 8+ years of handson experience in supporting and maintaining network routing, switching, and firewall infrastructure.
• Strong understanding of OSI and TCP/IP models, ICMP, TCP, UDP, ping, and traceroute.
• Experience in installing, configuring, and administering Cisco routers/switches, Cisco ASA, Cisco Firepower, Palo Alto, and Fortinet firewalls.
• Expertise in protocols and technologies: DS3, T1, BGP, OSPF, ATM, FrameRelay, IPsec, NAT, MPLS.
• Proficiency in routing and switching technologies: 802.1q, STP, RSTP, MSTP, VLAN, MPLS, VRF, VSS.
• Firewall management experience, preferably with Palo Alto (DNS Security, PANDB URL Filtering, Threat Prevention, Global Protect, Panorama, Wildfire).
• Knowledge of data center switches (Cisco 9500, 9400, 9300, 9200, 8300 series).
• Strong knowledge of IPsec sitetosite and remote VPN configuration and troubleshooting.
• Ability to troubleshoot wireless infrastructure issues.
• Familiarity with SDWAN solutions (preferred).

Certifications (Preferred)

• CCNA, CCNP
• ACE (Palo Alto Accredited Configuration Engineer)
• NSPSE (Network Security Professional Security Engineer)