Senior Zscaler Network Engineer

About Persistent

We 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 reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix� Assessment 2026 and Software Product Engineering PEAK Matrix� Assessment 2026.

About Position:

We are seeking an experienced Senior Network Security Engineer - Zscaler (ZIA & ZPA) to lead the integration, validation, and deployment of Zscaler-based security solutions across enterprise environments. This role will serve as the technical bridge between implementation partners, security teams, and network engineering teams to ensure successful delivery of ZIA, ZPA, App Connectors, identity integrations, routing, and cloud connectivity initiatives. The ideal candidate will possess strong expertise in Zero Trust security architecture, cloud security, network design, and enterprise security transformation programs.

• Role: Senior Zscaler Network Engineer
• Location: Pune, Mumbai
• Experience: 8 to 14 Years
• Job Type: Full-Time Employment

What You'll Do:

• Act as the technical integration lead between the organization's network team and Zscaler implementation partners.
• Review and validate ZIA architecture, configuration designs, and deployment strategies.
• Review and validate ZPA architecture, application segmentation models, and access requirements.
• Assess and validate App Connector architecture and deployment models.
• Validate routing requirements, network traffic flows, and connectivity dependencies.
• Evaluate identity integration requirements including SAML, SCIM, Entra ID, and Conditional Access policies.
• Coordinate with Zscaler implementation teams to ensure alignment with business and technical requirements.
• Validate cloud connectivity requirements across enterprise and cloud-hosted environments.
• Assess integration of Zscaler solutions with SD-WAN and network security platforms.
• Support application onboarding and access validation activities.
• Participate in proof-of-concept, pilot deployments, and user acceptance testing activities.
• Coordinate ZIA SaaS application validation and testing.
• Support ZPA application access validation and migration readiness assessments.
• Assist in rollback planning, validation testing, and deployment governance activities.
• Troubleshoot complex connectivity, authentication, and access-related issues.
• Participate in Architecture Review Boards (ARBs) and technical governance forums.
• Track technical risks, issues, dependencies, and mitigation plans.
• Support migration readiness reviews and ensure deployment compliance with enterprise standards.
• Drive Zero Trust adoption and security modernization initiatives.
• Collaborate with security, cloud, network, and infrastructure teams to ensure seamless implementation.

Expertise You'll Bring:

• 8 to 14 years of experience in Network Security, Cloud Security, and Enterprise Network Engineering.
• Strong hands-on expertise in Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).
• Experience designing and implementing App Connectors within enterprise environments.
• Strong understanding of SSL Inspection, security policies, and secure web access architectures.
• Experience with PAC file configuration and traffic steering methodologies.
• Hands-on experience with GRE and IPsec tunnel implementation and troubleshooting.
• Strong knowledge of identity and access management technologies including SAML, SCIM, Entra ID, and Conditional Access.
• Solid understanding of DNS, routing protocols, and enterprise network architecture.
• Experience validating integration between Zscaler and cloud platforms.
• Knowledge of Zero Trust Architecture and modern cybersecurity principles.
• Experience with SD-WAN integration and network transformation initiatives.
• Strong analytical, troubleshooting, and problem-solving capabilities.
• Excellent stakeholder management and vendor coordination skills.
• Experience participating in large-scale migration and transformation programs.
• Ability to work independently and lead technical discussions with internal and external stakeholders.
• Strong communication, documentation, and presentation skills.

Benefits:

• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Let?s unleash your full potential at Persistent -persistent.com/careers

?Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.?