Network Security Specialist Zscaler Secure Internet Access Xanika Infotech

10.0 - 15.0 years

15 - 25 Lacs

pune

Work from Office

Job Title: Network Security Specialist Zscaler Secure Internet Access, DDoS, NGF Location: Pune (On-site) Work Mode: Immediate Joiners Preferred Openings: 3 Positions Job Summary: We are hiring Cybersecurity Experts with 10+ years of experience in networking and cybersecurity domains. This role demands in-depth technical knowledge of Zscaler Secure Internet Access (SIA) , DDoS mitigation , and Next-Gen Firewalls (NGF) . You will play a key role in designing, deploying, and maintaining secure and scalable network security infrastructures for enterprise-level environments. Key Responsibilities: Design, implement, and troubleshoot secure network infrastructures, especially focusing on Zscaler SIA, DDoS mitigation, and NGF technologies. Monitor network traffic and security events using tools such as Wireshark , Zscaler logs , and other SIEM platforms. Ensure high availability and performance of secure connectivity across data centers , cloud platforms, and hybrid environments . Implement and manage SSL/TLS , HTTP/HTTPS , DNS , IPv4/IPv6 , proxies , and AAA systems (LDAP, MS AD, SAML/OAuth). Handle VPN configurations, GRE/IPSec tunnelling , and firewall rule base management. Work on DLP policies , zero trust architecture , and cloud-based security principles . Required Skills: Strong hands-on experience with: Zscaler Secure Internet Access (ZIA) Next-Gen Firewalls (Palo Alto, Fortinet, etc.) DDoS mitigation tools (Akamai, Radware, Arbor, etc.) Wireshark for packet-level analysis Deep understanding of: Network protocols : SSL, HTTP/S, DNS, IPv4/6, proxy services Authentication systems : LDAP, Active Directory, SAML/OAuth Experience in cloud security environments (AWS, Azure, GCP) Preferred Skills & Certifications: Certifications (any): CISSP PCSAE / PCCSE CCNP / CCIE (Security or R&S) Knowledge of: Data Loss Prevention (DLP) Cloud Access Security Broker (CASB) Zero Trust Network Access (ZTNA) Zscaler Internet Access (ZIA) and Private Access (ZPA)

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