Crowdstrke

6 days ago

Sr. Engineer II, Sensor - Sensor Performance Engineering (Hybrid)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Own deep-dive Windows performance investigations for the Falcon sensor, from triage to root cause and shipped fixes. Bridge kernel-mode internals with ETW/WPA trace analysis to improve sensor observability and diagnose customer issues. Develop and extend ETW/WPP diagnostic instrumentation, perform WPA/ETL bottleneck and CPU attribution, and author PRs for performance-critical Windows callbacks. Serve as an architectural authority for how the sensor interacts with Windows subsystems.

Location: Sunnyvale, Austin, Redmond

Workplace: Hybrid

Employment Type: Full time

Job Function: Solutions Engineering & Sales Engineering

Seniority: Mid level

Key Responsibilities

•Own deep-dive performance analysis of the Falcon sensor on Windows, from triage through root cause to shipped fixes, including application compatibility and AV/EDR process interactions.
•Develop and improve ETW-based diagnostic instrumentation by extending WPP providers, adding new event IDs, and versioning existing events.
•Perform WPA/ETL analysis for customer support cases and internal benchmarking, including ETWReader bottleneck identification and per-component CPU attribution.
•Review and author PRs targeting Windows sensor performance improvements such as load image callbacks, registry filter drivers, and process/thread notification routines.
•Identify sensor observability gaps and drive tooling improvements to close them.

Pay and Benefits

Salary: USD 160,000 - 250,000 annually

Equity and Bonus:Equity

Perks:Health Insurance401kPaid LeaveParental LeaveEquity

Key Requirements

•10+ years of hands-on Windows kernel-mode development or deep Windows systems engineering.
•Expert proficiency with Windows Performance Analyzer (WPA), xperf, ETW/WPP tracing, and ETL file analysis, including stack attribution and CPU sampling.
•Strong knowledge of Windows kernel APIs relevant to endpoint security, including registry filter manager callbacks, process/thread notification callbacks, load image callbacks, and access token/impersonation APIs.
•Experience debugging complex multi-process interactions such as file I/O storms and SCM/RPC-driven registry operations, and their impacts on application performance.
•Proven use of AI technologies to enhance decision-making, streamline workflows, and improve efficiency and outcomes.

Experience:10+ years

Tech Stack:WindowsWindows Performance Analyzer (WPA)XperfETWWPPETLETWReaderWPP providersWindows kernel APIsFalcon sensorSQL ServerVDIAVDAnyConnectVPNCluster Shared Volume (CSV)

Company Brief

Crowdstrke

Provides cloud-native endpoint protection, threat intelligence, and security operations solutions that prevent breaches and stop sophisticated cyberattacks across endpoints, cloud workloads, identity, and APIs for enterprises worldwide.

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: Sunnyvale, United States

Founded: 2011

Glassdoor: 4.4

Website LinkedIn

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Crowdstrke

6 days ago

Sr. Engineer II, Sensor - Sensor Performance Engineering (Hybrid)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Location: Sunnyvale, Austin, Redmond

Workplace: Hybrid

Employment Type: Full time

Job Function: Solutions Engineering & Sales Engineering

Seniority: Mid level

Key Responsibilities

•Own deep-dive performance analysis of the Falcon sensor on Windows, from triage through root cause to shipped fixes, including application compatibility and AV/EDR process interactions.
•Develop and improve ETW-based diagnostic instrumentation by extending WPP providers, adding new event IDs, and versioning existing events.
•Perform WPA/ETL analysis for customer support cases and internal benchmarking, including ETWReader bottleneck identification and per-component CPU attribution.
•Review and author PRs targeting Windows sensor performance improvements such as load image callbacks, registry filter drivers, and process/thread notification routines.
•Identify sensor observability gaps and drive tooling improvements to close them.

Pay and Benefits

Salary: USD 160,000 - 250,000 annually

Equity and Bonus:Equity

Perks:Health Insurance401kPaid LeaveParental LeaveEquity

Key Requirements

•10+ years of hands-on Windows kernel-mode development or deep Windows systems engineering.
•Expert proficiency with Windows Performance Analyzer (WPA), xperf, ETW/WPP tracing, and ETL file analysis, including stack attribution and CPU sampling.
•Strong knowledge of Windows kernel APIs relevant to endpoint security, including registry filter manager callbacks, process/thread notification callbacks, load image callbacks, and access token/impersonation APIs.
•Experience debugging complex multi-process interactions such as file I/O storms and SCM/RPC-driven registry operations, and their impacts on application performance.
•Proven use of AI technologies to enhance decision-making, streamline workflows, and improve efficiency and outcomes.

Experience:10+ years

Tech Stack:WindowsWindows Performance Analyzer (WPA)XperfETWWPPETLETWReaderWPP providersWindows kernel APIsFalcon sensorSQL ServerVDIAVDAnyConnectVPNCluster Shared Volume (CSV)

Company Brief

Crowdstrke

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: Sunnyvale, United States

Founded: 2011

Glassdoor: 4.4

Website LinkedIn