Senior iOS Vulnerability Researcher

🔒 Confidential Employer
Posted 25 March 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Vulnerability Research Reverse Engineering Python C/C++ ARM64 iOS

FULL DESCRIPTION

Opportunity in an industry leading Vulnerability Research team.

Senior iOS Vulnerability Researcher

We are looking for experienced and passionate people who have a background in vulnerability research, offensive security and reverse engineering on Apple platforms.

The role:

  • You'll join our team looking to identify vulnerabilities in Apple platforms using both static and dynamic analysis techniques
  • You'll develop Proof-of-Concepts for vulnerabilities identified
  • You'll use common VR toolsets such as fuzzers and reverse engineering tools; as well as have access to custom tooling built in-house (as well as developing your own!)
  • You'll need to present your findings in a useful and accessible way to others
  • You'll have access to internal and external training and conferences to refine and hone your skillsets

The ideal candidate:

  • Previous experience in the security industry
  • Experience in modern programming languages such as Python and Rust
  • Experience in low level languages such as C, C++, Objective C, etc
  • Experience reverse engineering ARM64
  • Direct experience in vulnerability research and/or reverse engineering on Apple platforms
  • Significant experience in the low-level internals of Apple platforms, including topics such as runtime internals, platform security features, exploit mitigations and the XNU kernel
  • Interested and passionate about learning new things, taking things apart, and getting stuck into new problems and challenges

Salary:

Packages are competitive and differ according to researcher experience. Full details can be discussed upon an invitation to interview.

Perks and benefits:

  • 25 days annual leave + bank holidays
  • Annual bonus based on company targets
  • 7% matched pension
  • Training and conference budgets
  • Private medical insurance
  • Employee assistance program
  • 4x death in service
  • Cycle to work scheme
  • Company socials throughout the year
  • Free soft drinks, hot drinks, beer and snacks in office

The location:

You'll have the opportunity to work remotely, from our office in the centre of Basingstoke, UK (6-minute walk from the local shopping centre & train station) or from our London office (Southwark).

[Employer hidden — view at passion-project.co.uk] is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We aim to respond to all candidates via email within a week of their application. Please note that emails may go to your spam or junk folder.

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