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 security testing frameworks.
* Strong understanding of authentication, authorisation, encryption, and cryptography patterns.
* Up-to-date awareness of emerging mobile security technologies and trends.
Working Model
* Hybrid: 2 days per week onsite in Bristol
* Inside IR35 contract
If you are a Mobile Security Engineer seeking your next project, we would love to hear from you.