At a Glance
- 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 chance to work on cutting-edge technologies.
- 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 70000 - 90000 £ 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
- Identify weaknesses in authentication, cryptographic controls, and mobile architectures
- Develop proof-of-concept exploits and custom tooling
- Produce high-quality reports with practical remediation guidance
- Work closely with software engineers and product teams to validate fixes
- Research emerging mobile attack techniques and adversarial methods
- Support improvements to security monitoring and detection capabilities
- Mentor development teams on secure mobile development practices
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
- Experience analysing APK and IPA binaries
- Ability to bypass certificate pinning, anti-debugging, and anti-tamper controls
- Strong understanding of:
- Android and iOS security models
- Secure storage (Keychain / Keystore)
- Cryptographic implementations
- OAuth and authentication protocols
- Scripting and automation skills to build custom testing tools
- Excellent communication skills and the ability to explain findings clearly
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 Southampton employer: Oscar Associates (UK) Limited
Join a pioneering UK technology company that is redefining digital identity and biometric security, where your expertise as an Offensive Security Engineer will be valued and nurtured. With a hybrid working model, you will enjoy a flexible work-life balance while collaborating with innovative teams on cutting-edge mobile security projects. The company fosters a culture of continuous learning and growth, offering ample opportunities for professional development and mentorship in a dynamic and supportive environment.
Contact Details:
Oscar Associates (UK) Limited Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Offensive Security Engineer (Mobile) in Southampton
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Oscar Associates (UK) Limited, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through Oscar Associates (UK) Limited
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Oscar Associates (UK) Limited. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Offensive Security Engineer (Mobile) in Southampton
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Oscar Associates (UK) Limited insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Oscar Associates (UK) Limited that you’re committed to staying ahead in the game.
How to prepare for a job interview at Oscar Associates (UK) Limited
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at Oscar Associates (UK) Limited to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Oscar Associates (UK) Limited.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
