Zscaler

Principal Software Development Engineer

Zscaler
Apply
2 hours ago
San Jose, CA, USAStaff+
H1B Sponsor

Base Salary

$186k - $265k/yr

Responsibilities

  • Design, develop, and optimize system networking and security features for high-performance applications.
  • Create design and functional specifications and perform unit testing and automation to ensure quality.
  • Apply software design principles and troubleshooting expertise to deliver scalable and resilient improvements to Zero Trust Security Services.
  • Collaborate with Engineering Architects, Product Managers, Customers, and Solution Architects to understand use cases, review PRDs, resolve system issues, and optimize performance.
  • Coach and mentor junior team members while ensuring high-quality deliverables.
  • Support federal and security certifications including FIPS, FedRAMP, Common Criteria, and SOC2 compliance.

Requirements

  • Bachelor’s degree in Computer Science or a related field and 10+ years of experience in systems engineering for high-performance networking.
  • Master’s degree in Computer Science or a related field is preferred.
  • Expertise in Linux kernel-based L2/L3 networking, stateful firewalls, NAT, network drivers, routing protocols, and network protocols.
  • Proficiency in Go and Python with strong debugging and complex data path problem-solving skills.
  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions within the functional domain.
  • Strong communication and collaboration skills for designing scalable systems and working with cross-functional teams.
  • Preferred experience integrating AI/ML frameworks or intelligent data path analysis models for networking optimization and predictive threat detection.
  • Preferred experience with WireGuard, GRE, L2VPN, VRRP, FIPS, FedRAMP, TLS, DTLS, and QUIC.
  • Familiarity with AWS or Azure, Docker, Kubernetes, advanced virtualization, or security solutions.

Benefits

  • Hybrid work arrangement based in San Jose, California.
  • Various health plans, vacation and sick time, parental leave options, retirement options, education reimbursement, and in-office perks.
Zscaler

About Zscaler

5,001-10,000 employees

Zscaler (NASDAQ: ZS) is a pioneer and global leader in zero trust security. The world’s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across 160+ data centers globally, the Zscaler Zero Trust Exchange™ platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity. Stay Connected: LinkedIn: https://www.linkedin.com/company/zscaler Twitter: https://www.twitter.com/zscaler Facebook: https://www.facebook.com/Zscaler/ Instagram: https://www.instagram.com/zscalerinc/

Contact me