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As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined …
Skills: Windows Kernel-Mode Development, Windows Performance Analyzer, ETW/WPP Tracing, ETL File Analysis, Windows Kernel APIs
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Redmond, Washington, United States · Hybrid
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Redmond, Washington, United States · Hybrid
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Redmond, Washington, United States · On-site
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Redmond, Washington, United States · On-site
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Redmond, Washington, United States · On-site
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Redmond, Washington, United States · Hybrid
$143k–$304k/yr
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Redmond, Washington, United States · Hybrid
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Redmond, Washington, United States · Hybrid
$120k–$261k/yr
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Skills: Distributed Systems, Secure Coding, AI-Assisted Development, System Design, Telemetry
Sunnyvale, California, United States • Hybrid
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Lead deep-dive performance analysis and root cause investigation of the Falcon sensor on Windows. Develop ETW-based diagnostic instrumentation and author performance improvements for kernel-mode components.
Requires over 10 years of experience in Windows kernel-mode development or systems engineering. Expert proficiency in WPA, ETW/WPP tracing, and Windows kernel APIs is essential.
As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation. We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.
About the Role:
The Sensor Performance Engineering team is seeking a Senior 2 Engineer to serve as a deep technical authority on Windows sensor performance. This is a hands-on role for an engineer who bridges kernel-mode internals, ETW/WPA trace analysis, and enterprise customer escalations. You will own the most complex performance investigations, shape the team's diagnostic tooling, and serve as an architectural voice for how the Falcon sensor interacts with Windows subsystems at the lowest levels.
CrowdStrike protects the world's most critical enterprises. The Sensor Performance Engineering team ensures the Falcon sensor does that without impacting the performance of the systems it protects. This role sits at the intersection of kernel engineering, performance science and customer impact — where the problems are genuinely hard, the stakes are high, and the work directly shapes the experience of some of the largest deployments in the world.
Location:
This role is hybrid, requiring 2x days per week on-site at one of the posted locations.
What You'll Do:
Own deep-dive performance analysis of the Falcon sensor on Windows, from initial triage through root cause to shipped fix — including application compatibility and AV/EDR process interaction issues.
Drive development and improvement of ETW-based diagnostic instrumentation, extending WPP providers, adding new event IDs, versioning existing events — to give the team visibility into previously opaque code paths.
Perform WPA/ETL analysis for customer support cases and internal benchmarking, including ETWReader-based bottleneck identification and per-component CPU attribution across sensor subsystems.
Review and author PRs targeting Windows sensor performance improvements: load image callbacks, registry filter drivers, and process/thread notification routines.
Identify sensor observability gaps and push for tooling to close them.
What You’ll Need:
10+ years of hands-on Windows kernel-mode development or deep Windows systems engineering
Expert-level proficiency with Windows Performance Analyzer (WPA), xperf, ETW/WPP tracing, and ETL file analysis — including stack attribution, CPU sampling, and per-component time accounting
Strong working knowledge of Windows kernel APIs relevant to endpoint security: registry filter manager callbacks, process/thread notification callbacks, load image callbacks, access token and impersonation APIs
Experience navigating complex multi-process interactions: file I/O storms, SCM/RPC-driven registry operations, process enumeration overhead, and their cascading effects on application performance
Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.
Bonus Points:
Background in enterprise performance benchmarking/analysis: SQL Server under load, VDI/AVD multisession, AnyConnect/VPN stack interactions, Cluster Shared Volume I/O
Track record of generating architectural ideas and advocating for them constructively within mulit-team environments.
#LI-CW1
Market leader in compensation and equity awards
Comprehensive physical and mental wellness programs
Competitive vacation and holidays for recharge
Paid parental and adoption leaves
Professional development opportunities for all employees regardless of level or role
Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections
Vibrant office culture with world class amenities
Great Place to Work Certified™ across the globe
CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.
CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.
If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike.com for further assistance.
Find out more about your rights as an applicant.
CrowdStrike participates in the E-Verify program.
Notice of E-Verify Participation
CrowdStrike, Inc. is committed to fair and equitable compensation practices. Placement within the pay range is dependent on a variety of factors including, but not limited to, relevant work experience, skills, certifications, job level, supervisory status, and location. The base salary range for this position for all U.S. candidates is $160,000 - $250,000 per year, with eligibility for bonuses, equity grants and a comprehensive benefits package that includes health insurance, 401k and paid time off.For detailed information about the U.S. benefits package, please click here.
CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of enterprise risk — endpoints and cloud workloads, identity and data. Powered by the CrowdStrike Security Cloud and world-class AI, the CrowdStrike Falcon® platform leverages real-time indicators of attack, threat intelligence, evolving adversary tradecraft and enriched telemetry from across the enterprise to deliver hyper-accurate detections, automated protection and remediation, elite threat hunting and prioritized observability of vulnerabilities. Purpose-built in the cloud with a single lightweight-agent architecture, the Falcon platform delivers rapid and scalable deployment, superior protection and performance, reduced complexity and immediate time-to-value. CrowdStrike: We stop breaches.
Offices: Remote, US
Based on 167 listings with disclosed salaries, most security & safety jobs in Redmond, WA pay between $102k–$261k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 189 open security & safety positions in Redmond, WA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Microsoft, CrowdStrike, SpaceX, Amazon, Allied Universal, among others. Browse the listings above to see every active employer.
Yes — 106 of the 189 open security & safety positions offer remote or hybrid work (4 remote, 102 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
