Sr. Software Engineer - Windows Sensor (Hybrid)

CrowdStrike Holdings, Inc.$140K — $215K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years in designing and developing high-quality Windows software with C/C++ or similar languages.
  • Experience or interest in reverse engineering, threat detection, or malware analysis.
  • In-depth knowledge of Windows OS internals, components, APIs, and design.
  • Strong teamwork skills with ability to lead, mentor, and collaborate in a distributed environment.
  • Experience utilizing AI technologies to enhance decision-making and efficiency.

Responsibilities

  • Design and develop detection logic for identifying cyber threats.
  • Research detection techniques including reverse engineering and big-data analysis.
  • Extend Falcon Sensor capabilities using domain-specific languages and tools like C++ and Python.
  • Create robust solutions for complex problems.
  • Own features through the entire lifecycle from design to deployment.
  • Implement engineering best practices to ensure code reliability and performance.
  • Promote a culture of learning and technology advocacy within the team.
  • Troubleshoot product issues as needed, supporting customer care.

Benefits

  • Market-leading compensation and equity awards.
  • Comprehensive wellness programs for physical and mental health.
  • Generous vacation and holiday policies.
  • Paid parental and adoption leave.
  • Professional development opportunities for all employees.
  • Employee Networks and volunteer opportunities for connection.
  • Dynamic office culture with excellent amenities.
Full Job Description
About the Team:

Content Development (CD) is a team within the Endpoint Protection area of CrowdStrike-the area responsible for enabling detections and preventions of malicious behaviors on the Falcon Platform. The CD team focuses on strategic, forward-leaning research into new Falcon Sensor capabilities to identify the tactics and techniques used by adversaries. We accomplish this by focusing on OS security and internals across all major supported platforms (Windows, macOS, and Linux) and exposing the right data to the sensor in a supportable and performant manner. Most of our projects involve months of research, planning, coordination, and implementation to be successful. We currently support several key Falcon Sensor technologies that detection and response teams leverage to increase telemetry, alerts, and preventions on the platform.

About the Role:

As a sensor engineer within the Windows Content Development team, you will focus on the analysis and development of detection technologies for attack techniques across supported Windows OS versions. The role requires both research and implementation, working collaboratively to develop detection logic within the Falcon sensor's user-mode and kernel-mode components. These components observe system activity, recognize malicious behavior, provide on-box prevention and remediation capabilities, and send relevant security telemetry to the Falcon Cloud. You'll find creative and resourceful ways to detect and respond to Windows-specific threats while also developing cross-platform features that leverage telemetry from common OS subsystems such as file system, memory, process, and network activity.

Successful engineers in this role have a strong software engineering background, deep Windows Internals expertise, and significant experience in the security space. As a Senior Engineer, you'll serve as a key resource and subject matter expert for engineers across the team and the broader company, collaborating with a wide range of teams as you drive your own initiatives and contribute to other projects. You'll be expected to make meaningful contributions across the full development lifecycle - from initial concept through design, implementation, release, and post-release support. We pride ourselves on a quality-first mindset and are looking for engineers who thrive on being challenged and take ownership of what they build.

Location:
  • This is a hybrid role based out of Redmond WA, Sunnyvale CA, Austin TX, NYC, or Toronto ON with an expectation of being in the office at least 2 days per week.


What You'll Do:
  • Design and build detection logic and systems leveraged across teams within CrowdStrike to detect cyber attackers and stop breaches.
  • Research techniques for detecting malicious activity, including some reverse engineering and/or big-data analysis.
  • Leverage Domain-specific languages, C++, Python, and other tools as appropriate to extend Falcon Sensor capabilities.
  • Build elegant, robust, and reliable solutions for complex technical problems.
  • Own features from design to delivery, developing them into production-level solutions for deployment.
  • Apply engineering best practices-secure coding, testing paradigms, debugging, performance, code reviews, CI/CD, and OS internals-to ensure our sensor code is fast and reliable.
  • Obsess about learning, and champion the newest technologies & tricks with others, raising the technical IQ of the team.
  • Be an energetic 'self-starter' who champions for quality-first outcomes while being empowered to take ownership and be accountable for deliverables, both individually and when leading a project team.
  • Troubleshoot issues within the product when necessary, assisting customer support.


What You'll Need:
  • 5+ years of experience designing, developing and delivering high-quality Windows software in C/C++ or other low-level programming languages.
  • Demonstrated experience or interest in the fields of reverse engineering, threat detection, malware analysis, or related security topics.
  • Low-level OS knowledge of Windows operating system internals, components, APIs, and design.
  • Team player - able to lead, mentor, communicate, collaborate, and work effectively in a globally distributed team.
  • Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.


Bonus Points:
  • Prior experience working on EDR / sensor products.
  • Prior experience working with low-level code, such as OS kernel, firmware or device drivers.
  • Prior security experience, particularly in exploit and vulnerability analysis.
  • Experience working with high-availability and big data systems.
  • Experience leveraging frontier AI/LLM technologies to accelerate developer velocity, increase feature quality, and improve overall team outcomes.
  • Experience working with large-scale automated test frameworks and infrastructure.


#LI-DR1

#LI-DG1

#LI-Hybrid

Benefits of Working at CrowdStrike:
  • 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 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 $140,000 - $215,000 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 Canada ULC is committed to equal pay for equal work in its compensation practices. The base salary range for this position in Canada is $150,000 - $200,000 CAD per year + variable/incentive compensation + equity + benefits. A candidate's salary is determined by various factors including, but not limited to, relevant work experience, skills, certifications and location.This is Canadian-based employment, and it is expected that all employees maintain legal entitlement to work in Canada. Applicants selected to move forward in the hiring process are subject to background checks, including but not limited to criminal record, credit, and/or reference checks.

About CrowdStrike Holdings, Inc.

CrowdStrike Holdings, Inc. Careers

Joining CrowdStrike Holdings, Inc. presents an unparalleled opportunity to advance a career in the tech industry with a company at the forefront of digital security. As a leader in cybersecurity solutions, CrowdStrike Holdings, Inc. offers a range of job opportunities that cater to a variety of skills and experiences, from entry-level positions to senior leadership roles.

Explore Job Opportunities

CrowdStrike Holdings, Inc. is continuously seeking talented individuals who are passionate about protecting organizations against cyber threats. With a commitment to innovation and excellence, the company is hiring professionals who are eager to contribute to a team that values hard work and creative solutions.

Innovation and Professional Growth

At CrowdStrike Holdings, Inc., employees are encouraged to push the boundaries of technology and leadership. The company supports professional growth through robust training programs, including leadership development and diversity training, ensuring that every team member has the resources to thrive in their career.

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The culture at CrowdStrike Holdings, Inc. is dynamic and inclusive, fostering a workplace where diversity is celebrated and every voice is heard. Employees enjoy comprehensive benefits that support both their professional and personal lives, enhancing job satisfaction and team morale.

Internship Programs

For those starting their career, CrowdStrike Holdings, Inc. offers internship programs that provide a rich learning environment. Interns gain hands-on experience, working alongside seasoned professionals and participating in projects that deliver real-world solutions.

Networking and Career Advancement

CrowdStrike Holdings, Inc. emphasizes the importance of networking within the industry, offering numerous opportunities for employees to connect with thought leaders and innovators. These connections can lead to career advancement and a deeper understanding of the cybersecurity landscape.

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