Sr. Security Researcher II, Persona Ops (Remote) in London

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. 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 also a mission‑driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. 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.

About The Role: CrowdStrike is looking for a self‑starting, action‑oriented, and highly motivated Senior Security Researcher II to join our Counter Adversary Operations Team. This position requires the candidate to track and collect information related to Russian‑language eCrime actors, tools, tradecraft, and techniques in a wide variety of environments, including the deep and dark web, and is instrumental in providing unique insight into finished Intelligence products used by CrowdStrike customers and stakeholders. The successful candidate will be an operational security (OPSEC)‑savvy, detail‑oriented problem solver, and have substantial experience driving concurrent projects and executing assigned tasks to completion with minimal direction.

What You’ll Do:

• Collect unique, relevant actionable, and timely information to answer established standing and ad‑hoc requirements related to Russian/Eastern‑European eCrime actors.
• Leverage advanced engagement skills and OSINT tradecraft to follow up on leads, identify Russian/Eastern‑European eCrime threat actors, and track them in various online communities.
• Identify current and emerging cyber threats and trends pertaining to Russian/Eastern‑European eCrime, including technical information.
• Create consistently clear, highly‑contextualised internal reports of collected information in a way that enables robust analysis.
• Collaborate with teams producing analytical reports and threat estimates pertaining to Russian/Eastern‑European eCrime topics.
• Employ secure virtual operational tradecraft methods and practices.

What You’ll Need:

• Extensive experience navigating a wide variety of cyber threat actor environments, including social media, hidden services, and forums.
• In‑depth familiarity with a wide variety of Russian‑language eCrime groups.
• Practical knowledge of technical terminology, tools, and tactics employed by eCrime actors, particularly those used by Russian‑language eCrime actors.
• Ability to perform comprehensive direct engagement and OSINT investigations using Russian‑language skills.
• Ability to adapt quickly to changing environments and devise creative solutions to difficult problems and scenarios with persistence.
• Ability to work as part of a team as well as independently and proactively.
• Ability to work effectively under tight deadlines with minimal guidance.
• Excellent attention to detail.

Bonus Points:

• Additional background in Russian/Eastern European geopolitical issues and language capabilities including, but not limited to, Russian and Ukrainian.
• Prior intelligence community, human intelligence (HUMINT), or cyber threat intelligence background highly preferred. Practical experience with virtual HUMINT is highly desirable.

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.

Equal Employment Opportunity Statement: 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.