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- Tasks: Lead mobile security assessments and simulate real-world attack scenarios to identify vulnerabilities.
- Company: Innovative UK tech company at the forefront of digital identity and biometric security.
- Benefits: Competitive salary, hybrid working, and opportunities for professional growth.
- Other info: Mentorship opportunities and a collaborative environment focused on cutting-edge technology.
- Why this job: Join a dynamic team and make a real impact in mobile security.
- Qualifications: 4+ years in offensive security with expertise in mobile application security.
The predicted salary is between 65000 - 75000 £ per year.
We're working with an innovative UK technology company operating at the forefront of digital identity and biometric security. As their security function continues to grow, they're looking to appoint an experienced Offensive Security Engineer with a strong focus on mobile application security.
The Opportunity:
You'll take ownership of sophisticated red team and mobile security assessments across iOS and Android environments, simulating real-world attack scenarios to identify vulnerabilities before they can be exploited. The role combines hands-on offensive testing, exploit development, research into emerging threats, and close collaboration with engineering teams to ensure vulnerabilities are remediated effectively. This position would suit someone who enjoys reverse engineering, breaking mobile protections, and staying ahead of evolving threats in areas such as biometrics, authentication, and device compromise.
Key Responsibilities:
- Conduct advanced mobile application penetration testing across iOS and Android
- Perform reverse engineering, runtime manipulation, and instrumentation attacks
- Simulate realistic adversarial scenarios including:
- Rooted and jailbroken devices
- Emulator and Frida-based attacks
- Certificate pinning bypass
- Session manipulation and API abuse
- Biometric spoofing and presentation attacks
About You:
You will have strong experience in offensive security, penetration testing, or mobile security research, with a genuine passion for understanding how complex systems can be attacked and improved.
Essential Experience:
- 4+ years in Red Teaming, Penetration Testing, or Mobile Security
- Deep expertise in Android and/or iOS application security
- Strong experience with tools such as:
- Frida
- Ghidra
- Hopper
- IDA Pro
- Burp Suite
- Android and iOS security models
- Secure storage (Keychain / Keystore)
- Cryptographic implementations
- OAuth and authentication protocols
Desirable:
- Experience with biometric systems and identity verification technologies
- Security research background
- Contributions to open-source tooling or vulnerability research
- Exposure to threat modelling and secure architecture reviews
If this sounds like you, apply now or reach out directly.
Offensive Security Engineer (Mobile) in London employer: Oscar Technology
Contact Detail:
Oscar Technology Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Offensive Security Engineer (Mobile) in London
✨Tip Number 1
Network like a pro! Attend industry meetups, conferences, or online webinars related to mobile security. Connecting with professionals in the field can lead to job opportunities that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially any offensive security assessments you've conducted. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Don’t just apply; engage! When you find a role that excites you, reach out to current employees on LinkedIn. Ask them about their experiences and express your interest in the position. It shows initiative and can help you get noticed.
✨Tip Number 4
Keep learning and stay updated! The world of mobile security is always evolving. Follow relevant blogs, join forums, and participate in online courses to keep your skills sharp. This not only helps in interviews but also shows your commitment to the field.
We think you need these skills to ace Offensive Security Engineer (Mobile) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in offensive security and mobile application security. We want to see how your skills align with the role, so don’t be shy about showcasing your relevant projects and achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about mobile security and how your background makes you a perfect fit for our team. We love hearing personal stories that connect your experience to the job.
Show Off Your Skills: If you’ve got experience with tools like Frida, Ghidra, or Burp Suite, make sure to mention them! We’re looking for someone who can hit the ground running, so highlight any hands-on experience you have with these tools in your application.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen on joining our innovative team!
How to prepare for a job interview at Oscar Technology
✨Know Your Tools Inside Out
Make sure you’re well-versed in the tools mentioned in the job description, like Frida, Ghidra, and Burp Suite. Be prepared to discuss how you've used these tools in past projects or assessments, as this will show your hands-on experience and technical expertise.
✨Showcase Your Problem-Solving Skills
During the interview, be ready to walk through your thought process when tackling complex security challenges. Use examples from your experience with mobile application penetration testing or reverse engineering to illustrate how you identify and exploit vulnerabilities.
✨Stay Updated on Emerging Threats
Demonstrate your passion for offensive security by discussing recent trends or emerging threats in mobile security. This could include new attack vectors or techniques you've researched. It shows that you're proactive and committed to staying ahead in the field.
✨Communicate Clearly and Effectively
Since you'll need to produce high-quality reports and work closely with engineering teams, practice explaining complex concepts in simple terms. During the interview, focus on how you can convey your findings clearly, ensuring everyone understands the implications of security vulnerabilities.