iOS Security Researcher - IL

Office based: Herzliya - Israelvia Dataflowsecurity CareersPosted Feb 9, 2026
Match with my CV

Technical skills

iOS developmentAndroid developmentCybersecurity

Role signals

Finance

About this role

We are looking to fill the position of a security researcher in our iOS team based in Israel. A person in this role will conduct vulnerability research in the iOS ecosystem.

Responsibilities

  • Help develop and carry out the iOS team research strategy by doing vulnerability research, reverse engineering, fuzzing, and exploit development on iOS.
  • Provide unbiased insights and ideas to the research team.
  • Develop proof-of-concept code and exploits to the quality standard of DFSEC.
  • Remain on top of various developments related to iOS such as new security mitigations, new features, etc.

Requirements

  • Deep knowledge of mobile (Android/iOS) architecture and internals.
  • Solid understanding of predominant bug classes and patterns.
  • Solid understanding of current and upcoming security mitigations.
  • Ability to conduct long-term and widely scoped security research projects as part of a broader team effort.
  • Exploitation experience is a plus, but not required.
  • Good written English.

What we offer

  • Finance: Highly competitive compensation package with an additional monetary bonus system based on exploitable vulnerability findings.
  • Career Development: Further your career by joining a team of established and experienced security researchers.
  • Work Environment: Hybrid flexibility
  • Balance remote work with in-office collaboration at our Herzliya office.
  • Elevate your expertise: Alongside the industry's most accomplished security minds.
  • For more information, please review our Recruitment Policy at Open dfsec.com/recruitment-policy-en

Before you apply

  • 1Which parts of your CV prove experience with iOS development, Android development, and Cybersecurity?
  • 2Which recent work examples would make your application stronger for this role?
  • 3What details from the original source listing should you confirm before applying?

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