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57 Zscaler Performance Engineer Jobs Hiring Near You

Zscaler

Sr. Staff DevOps Engineer - Federal

Bellevue, WA · Hybrid

$146K - $188K/yr

Build comprehensive SRE dashboards and implement intelligent alerting frameworks to detect regional ... performance requirements with cost-efficiency Who You Are (Success Profile) * You thrive in ...

Zscaler

Principal Software Development Engineer

San Jose, CA · Hybrid

$158K - $212K/yr

Design high-performance data models and access patterns: optimize ingest and querying across RDS ... Strong data engineering and persistence skills building efficient ingest and query patterns across ...

Zscaler

Staff Site Reliability Engineer

San Jose, CA · Hybrid

$66.75 - $88.75/hr

You are an SRE with proven experience in Linux/UNIX System Administration and hands-on expertise in ... Analyze and troubleshoot systems performance and complex issues across operating systems and ...

Zscaler

Principal Rust Developer

Bellevue, WA · Hybrid

Optimize system performance through profiling tools across kernel-space and user-space * Engage in code reviews, system design discussions, technical documentation, and mentoring junior engineers Who ...

Zscaler

Senior Product Marketing Manager

San Jose, CA · Hybrid

$141K - $185K/yr

... SaaS performance insights * Define buyer and user personas with an emphasis on hybrid work, secure access, and digital user experience use cases * Partner with product, engineering, and sales to ...

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Zscaler Jobs Information

What is it like to work at Zscaler?

Zscaler is a company that prioritizes innovation, collaboration, and customer satisfaction, fostering a dynamic and fast-paced work environment. The company's structure is organized into agile teams that work closely together to develop and deliver cloud-based security solutions, with a focus on innovation and customer success. Working at Zscaler may appeal to candidates who are passionate about cybersecurity, enjoy working in a collaborative and dynamic environment, and are motivated by the opportunity to make a significant impact in the rapidly evolving field of cloud security.
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Infographic showing various Performance Engineer job openings at Zscaler in the United States as of July 2026, with employment types broken down into 5% Internship, and 95% Full Time. Highlights an 61% Physical, and 39% Remote job distribution.
Senior Software Development Engineer-Network, Security, LLM (AI Security)

Senior Software Development Engineer-Network, Security, LLM (AI Security)

Zscaler

Bellevue, WA • Hybrid

Other

Posted 14 days ago

Job description

Role

We are looking for a Senior Software Development Engineer-AI Security to join our team. This is a Hybrid role based in San Jose, CA or Bellevue, WA (3 days in office), reporting to the Director of Software Engineering in the Emerging Tech department. You will build a high-reliability, low-latency AI security solution capable of scaling to hundreds of millions of users. In this role, you will be crucial in enhancing security capabilities for the AI within the world's largest cloud security platform by designing and implementing core infrastructure components and distributed systems while collaborating closely with stakeholders throughout the development lifecycle.

What you'll do (Role Expectations)

  • Develop high-performance networking code for multiple desktop platforms using the Rust language and platform-native APIs
  • Improve code quality through building solid, testable, and well-documented software foundations
  • Design and implement major development projects with a focus on scalability, security, and performance
  • Collaborate with product managers and cross-functional teams to deliver customer-impacting features
  • Debug and solve complex network-related problems and enhance system functionality

Who You Are (Success Profile)

  • You thrive in ambiguity by comfortably building the path as you walk it, viewing a dynamic environment as raw material to create meaningful outcomes.
  • You act like an owner with a deep passion for the mission and a strong bias for action, seamlessly navigating between high-level strategy and hands-on execution.
  • You are a natural problem-solver who is energized by complex challenges and laser-focused on delivering high-impact solutions.
  • You are a high-trust collaborator who is ambitious for the team's success, actively embracing a culture of candor, respect, and continuous feedback.
  • You are a lifelong learner with a growth mindset, constantly developing your skills and seeking purpose in everything you do.

What We're Looking for (Minimum Qualifications)

  • Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving 
  • Bachelor's degree in computer science, engineering, or a related field
  • 3+ years of software engineering experience with deep expertise in the Rust programming language and familiarity with lower-level languages such as C/C++
  • Strong knowledge of system and network programming including firewalls, VPNs, protocols, TCP/IP, UDP, DNS, QUIC, H/3, and proxies
  • Familiarity with system concepts such as virtual memory, multi-threading, system APIs, SLM/LLM models, and excellent debugging and problem-solving skills in both networking and system-level contexts

What Will Make You Stand Out (Preferred Qualifications)

  • Deep understanding of AI security frameworks, threat modeling for large language models, and mitigating vulnerabilities unique to AI-driven architectures
  • Familiarity with DevOps pipelines, VPN technologies, and a strong understanding of security protocols and standards
  • Experience writing testable, low-complexity code with dependency injection, proficiency in Swift or Python, and direct experience validating AI-driven products using MLOps principles

#LI-Hybrid #LI-YC2

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