Job Title: Mobile Security Engineer (Contract) Location: Bristol (Hybrid – 2 days onsite per week) Contract Length: 6 months Day Rate: £450/day (Inside IR35) Overview We are looking for an experienced Mobile Security Engineer to join a large-scale financial services programme. You’ll play a key role in strengthening mobile application security, reviewing security posture, implementing best practices, and contributing to the development of secure mobile tooling. Key Responsibilities * Perform regular reviews and assessments of mobile application security posture. * Conduct hands-on mobile platform security testing, threat modelling, and implementing mitigation strategies. * Develop and maintain mobile-focused penetration testing tools, scripts, policies, and procedures. * Ensure alignment with mobile app security standards across Android and iOS environments. Essential Skills & Experience * Proven experience in mobile security engineering. * Strong knowledge of mobile platform security, threat modelling, and mitigation frameworks. * Hands-on experience conducting mobile application security assessments. * In-depth understanding of Android/iOS mobile security standards. * Ability to develop or customise security tools for mobile environments. Desirable Skills * Experience with mobile app development and DevSecOps tooling. * Familiarity with mobile automation or se...