About CrowdStrike

CrowdStrike stands as a global leader in cybersecurity, safeguarding people, processes, and technologies that power modern organizations. Since 2011, our unwavering mission has been to stop breaches using the world's most advanced AI-native platform, the Falcon platform. Serving customers across all industries, CrowdStrike ensures businesses run smoothly, communities stay safe, and lives progress without interruption. We foster a mission-driven culture that empowers every CrowdStriker with flexibility and autonomy to own their careers. With a relentless focus on innovation and fanatical commitment to customers, community, and each other, we're always seeking talented individuals passionate about cybersecurity. The future of security starts with you at CrowdStrike.

Role Overview

This Sr. Software Engineer II, Linux Sensor position within the CTIO team is at the forefront of delivering cutting-edge innovation for our lightweight Linux sensor agent, a core component of the CrowdStrike Falcon Host platform. The Falcon Host sensor is a driver installed on client machines that monitors system activity, detects malicious behavior, provides on-box prevention, and streams telemetry to the cloud. Processing thousands of events per second, it offers deep endpoint visibility, rich correlation, and threat blocking. The cloud aggregates this data for prioritized threat summaries. In this hybrid role based in Redmond, WA (with options in Sunnyvale, CA or Austin, TX), expect to be in the office at least 2 days per week. You'll own design and development of core features spanning OS subsystems like file systems, memory, processes, and networking, with shared components across Windows and macOS. Operating under Agile principles, the CTIO team ships frequently while driving the company's technology vision, engineering excellence, and alignment with business goals against emerging threats.

Key Responsibilities

As a Sr. Software Engineer II, you'll dive deep into high-impact work:

• Collaborate across all sensor development teams on architecture and strategic initiatives company-wide.
• Conceptualize and develop innovative product features for the Linux sensor.
• Provide expert guidance to teams on designing and implementing cross-platform software for Windows, macOS, and Linux.
• Take full ownership of features from initial design through delivery, including sprint-end product demonstrations.
• Thrive in cross-functional collaboration with geographically distributed teams.

Qualifications & Requirements

To excel in this role, bring:

• Deep knowledge of C/C++ programming.
• Extensive, fundamental understanding of Linux OS internals.
• Proven experience debugging memory corruption issues, process contentions, and system performance bottlenecks.
• Demonstrated success collaborating on major features and releases.
• Strong ability to lead, mentor, communicate, and operate effectively in distributed teams.

Bonus points for a strong background in scalable, lightweight, high-performance systems; in-depth OS expertise; Agile methodologies; security principles; and eBPF experience.

Benefits & Perks

CrowdStrike offers unmatched rewards as a market leader in compensation and equity. Enjoy comprehensive physical and mental wellness programs, competitive vacation and holidays for recharge, paid parental and adoption leaves, and professional development for all employees. Build connections through Employee Networks, geographic groups, and volunteer opportunities. Experience our vibrant, remote-first culture with world-class office amenities. Certified as a Great Place to Work™ globally, we prioritize belonging, valuing everyone and empowering success. We support veterans and individuals with disabilities through affirmative action.

Career Growth

At CrowdStrike, career ownership is key. Our remote-first culture provides flexibility while fostering autonomy. The CTIO team offers exposure to strategic innovation, cross-platform development, and leadership in cybersecurity. Mentorship, Agile practices, and frequent shipping accelerate your growth. Professional development programs ensure advancement regardless of level or role, aligning with our commitment to engineering excellence and emerging threats.

Why Join CrowdStrike

Join a mission that matters: stopping breaches with the Falcon platform. Our remote-first culture balances hybrid work with collaboration. Be part of a premium team driving cybersecurity innovation, with limitless passion for customers and community. Competitive salary from $160,000-$250,000 USD (with upside potential), equity, and perks make this the ideal launchpad for your career in a technology leader.

Role FAQs

Is this role fully remote?

No, it's hybrid with at least 2 days/week in office (Redmond, WA; Sunnyvale, CA; or Austin, TX).

What platforms does the sensor support?

Primarily Linux, with cross-platform components for Windows and macOS.

What experience level is required?

Senior level with deep C/C++, Linux internals, and debugging expertise.

Does CrowdStrike offer visa sponsorship?

Please check our careers page for details on relocation and sponsorship.

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