Zscaler L2 Engineer

Role & responsibilities

• Troubleshooting L1/L2/L3 tickets and submitting the RCA.
• Implementing information Security products and submitting the reports.
• Presenting the appropriate solutions at customer meetings.
• Keeping well informed of general technical developments, company products and services.
• Maintaining accurate up to date reporting using the company systems and providing ad-hoc manual reporting where required.

Ensuring that product, technical and market knowledge is kept up to date by reading literature, networking, attending training courses, liaising with other colleagues and sharing unique knowledge with the rest of the company.

Preferred candidate profile

• 3+ years of experience in similar domains
• Mandatory hands-on experience on one or more of the following: Firewall, Proxy, IPS, Web Security, Mail Security / F5 / Zscaler (Zscaler is must)
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP)
• IP addressing & sub netting, Routing Concepts (OSPF, BGP), VLSM/CIDR
• In-depth knowledge of L2 technology and protocols like VLANs, VLAN Tagging (IEEE 802.1q), LACP, VLAN trunking, STP (IEEE 802.1D and other 802.1 implementations.)
• Strong knowledge in VPN: Design, Implementation Scenarios, Connectivity troubleshooting and other Algorithms such as DES, 3DES, MD5, SHA, PKI, IPSEC Site to Site & Remote Access VPN
• Security, Firewalls, access and perimeter control, vulnerability management and intrusion detection. Strong knowledge on various attacks like SYN flood, Replay attacks and the mitigation techniques

Implementation scenarios, configuration and troubleshooting of Firewall related issues