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Posted 21 July, 2026

Senior Staff Software Engineer - C and Networking Protocols( Open SSL)

Zscaler
Bangalore, IND Full Time
Reference: 102_705768_4959956007

Role

We are looking for a Senior Staff Software Development Engineer to join our team. This is a Hybrid role based in Bangalore, reporting to the Senior Manager, ZIA Core Engineering in the ZIA Cloud department. You will make ZIA software run in public cloud infrastructure by bringing strong public cloud knowledge, technical expertise in network security, hands-on development experience, and proven leadership capabilities. You will bring your vision and passion to our team of experts who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy through the world's largest cloud security platform.

What you'll do (Role Expectations)

  • Participate in the design, development, and optimization of firewall/SWG platforms in Cloud Infrastructure

  • Execute the technical roadmap for firewalls/SWG in Cloud Infrastructure, ensuring alignment with business goals

  • Work closely with engineering teams to enhance platform support for virtualized environments

  • Drive professional development and growth initiatives for team members

Who You Are (Success Profile)

  • You thrive in ambiguity and feel comfortable building the path as you walk it, seeing dynamic environments not as a hindrance but as raw material to build something meaningful.

  • You act like an owner, letting your passion fuel a bias for action while navigating seamlessly between high-level strategy and hands-on execution.

  • You are a tenacious problem-solver who seeks out challenges, knowing that finding solutions to the hardest problems delivers the biggest impact.

  • You are a high-trust collaborator who is ambitious for the team, embracing our challenge culture by giving and receiving ongoing feedback with clarity, candor, and respect.

  • You are a learner with a true growth mindset, actively seeking feedback to continuously develop yourself, become a stronger teammate, and work with purpose.

What We're Looking for (Minimum Qualifications)

  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain

  • 8+ years of experience in designing and implementing networking security software and public cloud infrastructure

  • Direct experience working on C programming and firewall or SWG technology

  • Strong understanding of TLS, OpenSSL, PQC, Hybrid KEM, QUIC, and Crypto accelerators

  • Experience in designing how NGFW/SWG solutions integrate with or extend native public cloud services, including Firewall/IPS, FreeBSD, and OpenSSL

  • Technical knowledge in BSD/Linux operating systems and their application in platform development

What Will Make You Stand Out (Preferred Qualifications)

  • Mastery of network security fundamentals including TCP/IP, DNS, HTTP(S), TLS 1.2/1.3, VPN technologies, NAT, and load balancing

  • Proven experience with virtualization technologies

#LI-RG

#LI-Hybrid

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