Sr. Staff Software Development Engineer in Test, CASB Inline

About The Role

Please note, this team is hiring across all levels and candidates are individually assessed and appropriately leveled based upon their skills and experience.

As part of the Inline CASB team, you will have a unique opportunity to work on a world-class CASB solution that provides unparalleled visibility and control for widely used enterprise applications. Netskope Cloud Data Plane engineers architect and design one of the most scalable, high-performance cloud data planes in the world, processing 10+ Gbps of traffic.

In this role, you will be working on Deep Packet Inspection (DPI) of CASB Inline traffic. You will build core functionality to intercept and inspect traffic the CASB Inline traffic which include Generative AI applications in the data path, invoking essential services like DLP (Data Loss Prevention) and Threat Protection (TSS) and enforcing CASB Inline Real-Time Policies (RTP). You will be instrumental in developing state-of-the-art techniques, including AI/ML, to detect activities and apply advanced policies, all at line rate.

This is a high-impact position for a technical leader who excels at solving challenging problems and mentoring a world-class engineering team.

What's In It For You

In this role you will be a key member of our in-line CASB Inline product, which have been recognized by Gartner as market leaders in their Magic Quadrant reports: Netskope CASB in Gartner 2023 SSE Magic Quadrant

What you will be doing

• Apply thorough knowledge of Data Plane architecture, packet processing pipelines, and network protocols (e.g., HTTP).
• Build, test, and maintain services for real-time deep traffic inspection, Data Loss Prevention (DLP), and threat mitigation at line rate.
• Contribute to the architecture and design of distributed systems, ensuring scalability, reliability, and efficiency.
• Design effective, automatable test plans and simulate negative scenarios, including chaos testing.
• Develop and document scalable test automation scripts tailored for large, parallelized CI/CD infrastructure.
• Evaluate and implement the right tools to optimize the automation framework.
• Write and maintain high-quality product and automation code.
• Conduct rigorous code reviews across the team to enforce best practices, style guidelines, efficiency, and testability.
• Partner with engineering, product management, and support teams throughout the SDLC to align on strategy, risks, and mitigations.
• Review product designs to proactively suggest improvements for both user experience and testability.
• Drive customer escalations to closure by recreating issues, analyzing debug logs, and collaborating with developers on Root Cause Analysis (RCA).

Required Skills And Experience

• 14+ years designing and developing automated test frameworks for scalable, enterprise-grade cloud services (microservices architecture).
• Programming Mastery: Deep expertise in Python.
• AI-Driven Development: Proven track record of championing AI-assisted testing workflows to accelerate feature velocity and elevate code quality.
• Network Security: Extensive experience with Firewalls, WAF, IDP/IPS, L7 Access-Policies, L7 DDoS, and HTTP proxies. (SASE architecture experience is a major plus).
• Core Protocols: Deep understanding of TCP/IP, HTTP/S, TLS/SSL decryption (MITM), DNS, WebSockets, and L3 VPNs (IPsec, WireGuard).
• Identity (Bonus): Knowledge of IAM, SSO, SAML, OpenID, OAuth2, and MFA.
• System Internals: Extensive Linux system-level knowledge, including multi-threading, CPU scheduling, and memory management.
• Data Processing: Advanced grasp of algorithms and data structures for real-time in-line data processing and data plane/data path testing.
• Optimization: Strong background in performance optimization and the scalability of complex systems.
• Automation Frameworks: Expertise in Day-1 REST API automation and UI tools like Robot Framework, Selenium, Playwright MCP, and Healenium.
• Testing Methodologies: Deep experience in Solution, Load, Stress, and Longevity testing within an L7 Security context.
• Cloud & Messaging: Hands-on proficiency with Docker, Kubernetes, Helm, Kafka, and NATS.
• Packet Analysis: Proficient in capturing and analyzing network traffic using Wireshark, tcpdump, and libpcap.
• Deep Debugging: Exceptional analytical and troubleshooting skills using tools like gdb and Valgrind.

Additional Skills

• Candidates should be eager to learn new products and technologies.
• Excellent communication and collaboration skills, capable of working effectively with cross-functional teams and stakeholders.
• Determined and ever ready to roll up sleeves to respond to the needs of customers proactively and promptly.
• Achievement oriented and willing to take responsibility for their own actions.
• Believe in innovation and out-of-the box thinking to foster originality of ideas.

Education

• BSCS or equivalent required, MSCS or equivalent strongly preferred

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