Job Title: Mobile Security Engineer Employer: Lloyds Banking Group Location: Gloucestershire, United Kingdom Employment Type: Permanent Reference Number: 10826_e65f875a7d77a864983771640b279676 Job Details Location: Bristol Harbourside Hours: Full-time Working Pattern: Hybrid, 40% office About Lloyds Banking Group We’re on a journey to build the bank of the future, and we need your help. As part of our extensive transformation programme, we’re redefining what a bank is from the inside out, impacting more than 26 million customers across Lloyds Bank, Halifax, Bank of Scotland and Scottish Widows. In the digital capability, we deliver simpler, continuous interactions across online, mobile and branches. Our Team We’re passionate about delivering new features for customers across our brands in the mobile space. The Digital Platform mobile teams are fully agile, striving for excellence. Join our team and benefit from internal Hackathons, coding challenges, bi‑weekly platform meetings and an engineering community that shares knowledge and learning. Role Overview This role is pivotal in building, delivering and driving the security of our mobile platform. You will design and deliver a world‑class security framework, including penetration testing, obfuscation, consultancy and services. Your work will enable commercial and service‑mindful colleagues to build their own propositions autonomously, focusing on the best experience for our customers while using enterprise‑standard components. What we need from you – essential skills and experience

Excellent knowledge and experience of mobile security penetration testing methodologies Ability to develop and maintain penetration testing security tools, scripts, policies and procedures Capability to perform mobile application security assessments to identify design and implementation flaws, potential vulnerabilities and threats Demonstrable systematic and analytical problem‑solving approach, with the ability to monitor, analyse and resolve specific security issues or events General awareness of emerging mobile security threats, trends and technologies

Desirable knowledge and experience

Familiarity with DevSecOps tooling, testing and automation frameworks Background or hands‑on knowledge in mobile development Native code proficiency: assembly (ARM/ARM64), C, Rust Understanding of encryption and cryptographic protocols: SSL/TLS, AES, RSA Experience with tools: Hopper, Radare, IDA Pro, Jeb, Jadx, Burp Suite Pro, Xcode, Android Studio, ADB, Apktool, YARA, Frida, Objection, Cycript, Theos, Cydia Substrate Passion for mobile platforms and keen interest in upcoming OS changes, tools, APIs and security libraries Familiarity with programming languages: C, Java, Kotlin, Objective‑C, Swift, JavaScript, Python, Bash

About working for us Our focus is to ensure we’re inclusive every day, building an organisation that reflects modern society and celebrates diversity in all its forms. We welcome applications from under‑represented groups. We are disability confident; if you need reasonable adjustments to our recruitment processes, just let us know. Benefits

A generous pension contribution of up to 15% An annual bonus award, subject to Group performance Share schemes, including free shares Benefits adaptable to your lifestyle, such as discounted shopping 30 days’ holiday, with bank holidays on top A range of wellbeing initiatives and generous parental leave policies

If you’re excited by the thought of becoming part of our team Ready for a career where you can have a positive impact as you learn, grow and thrive? #J-18808-Ljbffr