Zscaler Security Engineer

About PersistentWe are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 23 sequential quarters of growth with $422.5M in Q3 FY26 revenue, up 4.0% Q-o-Q and 17.3% Y-o-Y growth. Our 26,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We won the 2025 ISG Star of Excellence™ Award for AI and Data Excellence and were named a Leader in the Everest Group Talent Readiness for Next-generation Data, Analytics and AI Services PEAK Matrix® Assessment 2025.About PositionRole: Zscaler Security EngineerLocation: Mountain View CA / San Diego CA / Plano TXExperience: 8+ yearsJob Type: Full TimeMandatory Skills: Zscaler, ZIA, ZPA, ZDX, ZCC, EndpointWe are seeking a Security Engineer who will be responsible for designing, deploying, and operating Zero Trust security solutions using Zscaler technologies (ZIA, ZPA, ZDX). This role involves deep technical expertise in cloud security, endpoint integration, and advanced network troubleshooting, acting as a Level 3 escalation point for critical incidents. The engineer will partner closely with cross-functional teams to ensure secure, optimized, and resilient access for enterprise users and applications. Expertise You'll BringZscaler: ZCCP‑IA, ZCCP‑PA, ZCCASecurity: CEH, CISSP (added advantage)Networking: CCNP SecurityAWS Cloud CertificationsBS/MS in Computer Science or related area or equivalent relevant experience8+ years of network security / cloud security / Zero TrustStrong hands-on expertise with ZIA, ZPA, ZDX, ZCC (mandatory). Solid understanding of: TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, Proxy architecture, authentication (SAML/AD), IPSec/GREProficiency in packet analysis (Wireshark, tcpdump). Experience with AWS/GCP (networking fundamentals).Strong Analytical, Problem solving, and creative mindsetExperience with various Software Development Lifecycle Process (Agile Development, SCRUM methodologies. etc.)Strong stakeholder communication with leadership and cross-functional teams. Excellent communication skills. Communicates clearly, succinctly, and persuasively to all levels of employees, customers, and managementAbility to work independently and lead problem-solving efforts. Excellent troubleshooting and documentation skills.Ability to work under pressure and in fast‑paced enterprise environments.What You’ll DoZero Trust & Zscaler EngineeringDeploy and manage Zscaler ZIA, ZPA, ZDX for large enterprise environments.Design and optimize security policies:SSL Inspection, URL Filtering, Sandbox, Access & Timeout Policies, Client Forwarding.Support Zscaler migration and integration with Workspace ONE / MDM platforms.Deploy and manage ZPA App Connectors in data centers and cloud (AWS preferred).Endpoint & Zscaler Client Connector (ZCC)Manage ZCC agent profiles, configuration updates, rollout strategy.Maintain SSL Inspection Exemption lists for certificate‑pinned applications.Support development and monitoring of DLP policies.Advanced Troubleshooting & OperationsPerform L3–L7 troubleshooting using tools such as:Wireshark, tcpdump, MTR, Zscaler Analyzer, ZSATunnel & ZSATray logs.Use ZDX and other Zscaler diagnostics to analyze latency and performance issues.Act as Level‑3 escalation for P1/P2 incidents and coordinate with Zscaler TAMs & Support.Manage Zscaler‑related tickets and escalations in ServiceNow.Collaboration & DocumentationCollaborate with infrastructure, cloud, network, and security teams.Create and maintain SOPs, documentation, and knowledge articles.BenefitsCompetitive salary and benefits packageCulture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certificationsOpportunity to work with cutting-edge technologiesEmployee engagement initiatives such as project parties, flexible work hours, and Long Service awardsAnnual health check-upsInsurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parentsOur company fosters a values-driven and people-centric work environment that enables our employees to:Accelerate growth, both professionally and personallyImpact the world in powerful, positive ways, using the latest technologiesEnjoy collaborative innovation, with diversity and work-life wellbeing at the coreUnlock global opportunities to work and learn with the industry’s bestLet’s unleash your full potential at Persistent - persistent.com/careers For more details, please contact Bharath Veluru (bharath_veluru@persistent.com)“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”