Staff Software Development Engineer

Zscaler
San Jose
Workplace: OnsiteFull timeUSD 212,000 - 265,000 annuallyFunction: Product ManagementExperience: 8+ yearsSkills: ["Ownership","Problem-solving","Collaboration","Transparency","Resilience"]

Lead Zscaler’s Data Loss Prevention (DLP) engineering team within the Zero Trust Exchange. Own the architecture and delivery of high-throughput, low-latency DLP engines, dictionary matching, and intelligent content inspection pipelines running in C on FreeBSD and Linux. Blend deterministic pattern matching with NER/ML models while managing strict real-time performance trade-offs, mentoring systems engineers, and serving as escalation authority for critical production issues.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Zscaler
Zscaler
2 days ago

Staff Software Development Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Lead Zscaler’s Data Loss Prevention (DLP) engineering team within the Zero Trust Exchange. Own the architecture and delivery of high-throughput, low-latency DLP engines, dictionary matching, and intelligent content inspection pipelines running in C on FreeBSD and Linux. Blend deterministic pattern matching with NER/ML models while managing strict real-time performance trade-offs, mentoring systems engineers, and serving as escalation authority for critical production issues.
Location: San Jose
Workplace: Onsite
Employment Type: Full time
Job Function: Product Management
Seniority: Manager level

Key Responsibilities

  • •Manage, mentor, and grow a team of systems software engineers and principal architects for DLP engines, dictionary compilers, and distributed incident processing pipelines.
  • •Set technical direction and execution for line-rate pattern matching, regex evaluators, custom dictionary compilers, EDM and IDM, and indexed document matching in production proxy runtimes.
  • •Lead evaluation and operationalization of NER and ML models, balancing inspection accuracy and tokenization against network latency, compute complexity, and memory constraints.
  • •Maintain standards for multi-threaded C daemons on FreeBSD/Linux, designing robust shared memory structures, high-performance IPC, lockless concurrency, and memory-safe subsystems.
  • •Act as technical escalation authority for critical production issues, overseeing post-mortem analysis, profiling/leak detection, and scalable DLP incident streaming and enterprise integrations.

Pay and Benefits

Salary: USD 212,000 - 265,000 annually
Perks:Health InsurancePaid LeaveParental LeaveLearning Budget

Key Requirements

  • •8+ years of systems software engineering experience with 2+ years leading and managing high-performing software teams.
  • •Hands-on advanced proficiency in C on Linux or FreeBSD, with expertise in IPC, shared memory architectures, and POSIX concurrency primitives.
  • •Expert production troubleshooting and root-cause analysis, including post-mortem core dump analysis, GDB/LLDB debugging, Valgrind, and system-level performance tracing (eBPF or DTrace).
  • •Deep domain expertise in Data Loss Prevention (DLP), including regex evaluation engines, dictionary compilers, EDM/IDM profiles, and incident streaming/forensics pipelines.
  • •Practical understanding of Named Entity Recognition (NER) models and their runtime limitations in high-throughput data paths.
Experience:8+ yearsCybersecurityData loss preventionAI/MLZero trustSASE
Skills:OwnershipProblem-solvingCollaborationTransparencyResilience
Languages:En
Tech Stack:CFreeBSDLinuxInter-Process Communication (IPC)Shared memoryPOSIX concurrencyRegexNamed Entity Recognition (NER)Machine learningONNX RuntimeTensorRTQuantized NER modelsInline network proxiesDeep packet inspection (DPI)AVXHyperscanFreeBSD kernel internalsJailsNetwork stackVFS

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