Zscaler & Enterprise Security Engineer

SANKET KUMAR DASH

+91-933******* ************@*****.*** Kolkata, India

PROFESSIONAL SUMMARY

Cybersecurity Engineer with 4+ years of experience administering and supporting Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) in enterprise environments, including URL filtering, SSL/TLS inspection, cloud firewall policies, App Segmentation, App Connectors, and identity-based access enforcement. Skilled in configuring and maintaining traffic-forwarding methods (GRE/IPsec tunnels, PAC files, Zscaler Client Connector) and troubleshooting authentication failures, policy mismatches, SSL inspection issues, and application latency using web insights, audit, and connector log analysis. Currently acting as a Zscaler Subject Matter Expert (SME), re-configuring security policies in line with Zscaler recommendations, and expanding hands-on firewall administration across Fortinet and Palo Alto Networks platforms, including IP/port whitelisting and VPN tunnel log analysis. Experienced with identity and security tooling integration (Azure AD/Entra ID, OAuth, MCAS), policy review, rulebase cleanup, and least-privilege access design, alongside Microsoft Defender for Cloud (MDC) and Azure administration

(AZ-104 concepts).

SKILLS

Zscaler ZIA: URL Filtering, Web Security, SSL/TLS Inspection, Cloud Application Control, Sandbox, Cloud Firewall Policies Zscaler ZPA: App Segmentation, App Connector Configuration, Server Group/Segment Group Policies, Identity-Based Access Enforcement, SIPA

Traffic Forwarding: GRE/IPsec Tunnels, PAC Files, Zscaler Client Connector (ZCC), Cloud Connector Identity & Security Integration: Azure AD (Entra ID), OAuth, MCAS Governance & Information Protection, Policy Review & Rulebase Cleanup, Least Privilege Access

Cloud Security: Microsoft Defender for Cloud (MDC), CIS Benchmark Remediation, Secure Score Improvement, Azure Administration (AZ-104)

Ticketing & Ops: ServiceNow, BMC Helix, Incident Investigation, Root Cause Analysis Networking: TCP/IP, DNS, DHCP, Subnetting & VLSM, OSI Model, Routing & Switching Fundamentals, NAT & VPN Fundamentals, Wireshark Packet Analysis

PROFESSIONAL EXPERIENCE

Security Delivery Analyst Accenture April 2025 - Present Clients: Roehm & UKPOMS (August 2026 - Present)

• Acting as Zscaler Subject Matter Expert (SME) for Roehm, re-configuring security policies in line with Zscaler best-practice recommendations.

• Administering Fortinet firewalls for Roehm — whitelisting IPs and ports per business requirement and monitoring VPN tunnel logs, extending firewall expertise beyond the Palo Alto platform.

• Supporting Palo Alto firewall operations for UKPOMS, whitelisting and blocking IPs per business requirement in a new client environment.

• Building hands-on firewall administration experience across Fortinet and Palo Alto platforms while ramping up on two newly onboarded clients.

Client: PPL (April 2025 - July 2026)

• Administered and supported Zscaler cloud security platform (ZIA, ZPA, ZDX, Cloud Connector), delivering end-to-end subcloud onboarding and network integration by collaborating with cross-functional teams and stakeholders.

• Managed Palo Alto Networks firewall policies, analyzing VPN tunnel logs and configuring IP whitelisting/blocking by port — firewall rule and object management directly applicable to Check Point Security Gateway administration.

• Troubleshot Zscaler Client Connector (ZCC) connectivity issues including authentication/DTLS-TLS failover failures, MTU optimization, App Profile management, and traffic-forwarding configuration mismatches.

• Configured and maintained traffic-forwarding methods — Cloud Connector forwarding/bypass policies, PAC file changes, and traffic steering — to improve application accessibility, resilience, and latency across multiple data centers.

• Administered Zscaler Private Access (ZPA): deployed and monitored App Connectors, created Application Segments, and implemented identity-based access enforcement policies.

• Partnered with Zscaler Technical Account Managers to implement platform enhancements, tune policies, and improve service resilience and operational efficiency.

• Integrated Zscaler with Microsoft Cloud App Security (MCAS) via NSS and OAuth authentication, monitoring governance logs, investigating security events, and configuring Information Protection policies — enterprise identity/security tooling integration.

• Leveraged Microsoft Defender for Cloud (MDC) to assess Azure resources against CIS Benchmark controls, performing policy review and rulebase cleanup to remediate misconfigurations and improve Secure Score.

• Collaborated with resource owners and application teams on corrective actions, remediation validation, and least-privilege, risk-based access exceptions.

Security Delivery Associate Accenture April 2023 - March 2025 Client: AJG

• Provided L2/L3 administration and support for Zscaler Internet Access (ZIA) — SSL Inspection, Cloud Application Control, URL Filtering, and Sandbox policies — enforcing Zero Trust controls, reducing downtime, and improving user experience.

• Used Zscaler Digital Experience (ZDX) to troubleshoot application latency and connectivity issues, analyzing network paths, endpoint health, and application metrics to identify and resolve performance bottlenecks.

• Implemented Source IP Anchoring (SIPA) and administered Zscaler Private Access (ZPA), creating and managing Application Segments for secure, identity-based access to internal resources.

• Validated user access requests and resolved connectivity/policy-mismatch issues within a Zero Trust Network Access (ZTNA) environment.

CERTIFICATIONS

• Zscaler Internet Access (ZIA) Administrator

• Zscaler Private Access (ZPA) Administrator

• Zscaler Digital Experience (ZDX) Administrator

• Microsoft Azure Administrator (AZ-104)

• Getting Started with Wireshark: The Ultimate Hands-On Course - Udemy EDUCATION

B.Tech in Mechanical Engineering 2018 - 2022

Odisha University of Technology and Resources

LEADERSHIP

• Served as Head of the Braking Department, leading design, development, testing, and performance optimization of the vehicle's braking system at the International Go-kart Championship Season 8 (2020). EXTRA-CURRICULAR ACTIVITIES

• Winner of multiple football tournaments at club and corporate levels, including CCFC, CPC, Bharat Memorial Cup, and Arjuna Trophy.

• Represented teams in competitive football tournaments, demonstrating teamwork, leadership, and performance under pressure.

• Secured top positions in inter-college dance competitions during undergraduate studies.

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