Principal Software Engineer (C / Networking / Dataplane)

Zscaler
San Jose
Workplace: HybridFull timeUSD 185,500 - 265,000 annuallyFunction: Software EngineeringExperience: 12+ yearsEducation: mastersSkills: ["Ownership","Collaboration","Integrity","Customer obsession","Bias for action"]

Design and implement high-performance datapath features for load balancing and L7 protocol implementations, strengthening the scalability and security of global networking infrastructure. Apply deep C/C++ expertise with data structures and algorithms to build efficient systems. Leverage networking protocols (DNS, HTTP, TCP/IP, SSL/TLS) and Linux/Unix knowledge to optimize networking and security applications. Drive projects end-to-end with autonomous ownership and full deployment responsibility.

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FursaFursa
Zscaler
Zscaler
6 days ago

Principal Software Engineer (C / Networking / Dataplane)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Design and implement high-performance datapath features for load balancing and L7 protocol implementations, strengthening the scalability and security of global networking infrastructure. Apply deep C/C++ expertise with data structures and algorithms to build efficient systems. Leverage networking protocols (DNS, HTTP, TCP/IP, SSL/TLS) and Linux/Unix knowledge to optimize networking and security applications. Drive projects end-to-end with autonomous ownership and full deployment responsibility.
Location: San Jose
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Design and implement datapath features for load balancers, firewall rules, and L7 protocol implementations.
  • •Build high-performance systems using C programming and core data structures/algorithms.
  • •Independently drive moderately complex projects from conception through large-scale deployment with full ownership.
  • •Use expert knowledge of networking protocols and services, including DNS, HTTP, TCP/IP, and SSL/TLS.
  • •Optimize networking and security applications using Unix or Linux operating systems knowledge.

Pay and Benefits

Salary: USD 185,500 - 265,000 annually
Perks:Health InsurancePaid LeaveParental LeaveLearning Budget

Key Requirements

  • •12+ years building large-scale commercial networking and security applications using C or C++.
  • •Strong foundational knowledge of data structures and algorithms.
  • •Working experience with Linux, Unix, or similar operating systems.
  • •Advanced knowledge of networking protocols and services including DNS, HTTP, TCP/IP, and SSL/TLS.
  • •BS or MS degree in CS/CE or equivalent experience.
Experience:12+ yearsNetworkingSecurityCybersecuritySASEZero Trust
Education:Master's in CS/CE
Skills:OwnershipCollaborationIntegrityCustomer obsessionBias for action
Tech Stack:CC++DNSHTTPTCP/IPSSL/TLSLinuxUnixData structuresAlgorithms

Company Brief

Zscaler
Provides cloud-native security platform delivering secure access, threat protection, and zero trust services to organizations, enabling secure internet and private application access without traditional network appliances.
Industry: Cybersecurity
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Jose, United States
Founded: 2007
WebsiteLinkedIn