Mobile Security Engineer

Mobile Security Engineer (Contract)

Location: Hybrid – 3 days onsite

Contract Type: Long-term contract

About the Role

We are looking for a skilled Mobile Security Engineer to play a pivotal role in strengthening the security posture of our mobile platform. You will be responsible for designing and delivering a robust, scalable security framework that protects mobile applications across the organisation.

This role sits within a dedicated mobile security team that provides a comprehensive suite of security components and services, including penetration testing, obfuscation, and security consultancy. The team’s mission is to enable mobile engineers to build and deliver features confidently in a constantly evolving threat landscape.

Key Responsibilities

  • Design, build, and enhance a world-class mobile security framework
  • Conduct threat modelling and implement effective mitigation strategies
  • Perform regular security reviews of mobile applications
  • Develop and maintain penetration testing tools, scripts, and processes
  • Provide security consultancy and guidance to mobile engineering teams
  • Stay ahead of emerging threats through research and continuous improvement
  • Support and enhance services such as penetration testing and security assessments

Essential Skills & Experience

  • Strong experience in mobile application security (Android & iOS)
  • Proven expertise in threat modelling and risk mitigation techniques
  • Hands-on experience reviewing and improving mobile security posture
  • Experience developing pen-testing tools, scripts, and security frameworks
  • In-depth knowledge of mobile security standards and best practices

Desirable Skills

  • Familiarity with mobile development environments
  • Experience with DevSecOps tooling and automation frameworks
  • Strong understanding of:
  • Authentication & authorisation
  • Encryption & cryptography principles
  • Experience using mobile security testing tools
  • Proactive mindset with interest in emerging security technologies

What You’ll Bring

  • A hands-on, proactive approach to mobile security
  • Strong problem-solving and analytical skills
  • Ability to work collaboratively with engineering teams
  • Passion for building secure, scalable mobile solutions

Working Model

  • Hybrid role: 3 days onsite per week
  • Long-term contract engagement

Job Details

Company
Coltech
Location
Greater Bristol Area, United Kingdom
Hybrid / Remote Options
Posted