Role description

Senior Network Security Engineer – ZTNA Job Summary

We are seeking an experienced Senior Network Security Engineer to lead the design, architecture, and implementation of enterprise Zero Trust Network Access (ZTNA) solutions. The role focuses on driving secure access transformation initiatives, replacing legacy VPN architectures with identity-aware access models, and supporting enterprise-wide Zero Trust adoption across on-premises, cloud, and hybrid environments.

Key Responsibilities

- Translate business and security objectives into scalable Zero Trust access architectures.
- Design, implement, and support enterprise-scale ZTNA solutions across global environments.
- Lead secure access transformation initiatives, including migration from traditional VPN solutions to Zero Trust access models.
- Develop least-privilege access frameworks based on user identity, device posture, and application context.
- Design secure access solutions for remote employees, third-party partners, and privileged users.
- Drive application segmentation and access policies aligned with Zero Trust principles.
- Collaborate with application and infrastructure teams to onboard applications into ZTNA platforms.
- Design secure access strategies for internet-bound and private application access use cases.
- Implement policy tuning, traffic steering, and user experience optimization within ZTNA environments.
- Participate in security architecture reviews to ensure alignment with enterprise security standards.
- Provide security visibility, telemetry analysis, risk reporting, and security posture assessment for access security platforms.
- Support security audits, compliance initiatives, and continuous improvement of Zero Trust frameworks.




- Partner with global cybersecurity, infrastructure, and business stakeholders to deliver secure access solutions.
- Stay current with emerging security threats and advancements in Zero Trust technologies.

Required Skills

Proficient

- ZTNA

Experience
- 10+ years of experience in network security architecture and engineering.
- Demonstrated experience designing and implementing enterprise Zero Trust access solutions.
- Experience leading secure access modernization and VPN replacement initiatives.

Education
- Bachelor’s Degree in Computer Science, Network Engineering, or a related field, or equivalent experience.

Preferred Certifications
- Industry-recognized network or security certifications.
- Zero Trust and access security-related certifications.

Why Join UST

UST delivers technology-led solutions that help global organizations accelerate digital transformation. You'll have the prospect to work on large-scale security modernization initiatives, collaborate with global teams, gain exposure to cutting-edge technologies, and grow your career through continuous learning and innovation-driven projects.

Skills

Aruba SSE, Zscaler, OSPF

About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.

📌 Senior Network Security Engineer – ZTNA (Bengaluru)
🏢 UST
📍 Bengaluru