Senior Simulation Software & Security Eng - iOS/Unreal

Manor Royal Business District; Crawley; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Learning Together Programme

BUPA Medical Plan

Pension Plan

UK holiday entitlement

Wellbeing programs

Job summary

Boeing is seeking a Senior Simulation Software & Security Engineer in Crawley, United Kingdom. You will own and extend a large native C++ codebase across Windows, Linux, and iOS, delivering across the full development lifecycle while hardening security architecture for an Unreal Engine-based iOS application.

This onsite role requires collaboration with cross-functional teams and mentoring of junior engineers.

Qualifications

• Bachelor’s degree or higher in engineering, CS, or related field.
• Strong modern C/C++ and low-level programming skills.
• Experience with iOS security architecture and cryptography.
• Experience with secure storage on iOS and key management.
• Experience with security tooling, fuzzing, and reverse engineering.

Responsibilities

• Own, extend, and maintain a large native C++ codebase for Windows, Linux, and iOS.
• Deliver full development lifecycle: new features, bug fixes, and performance tuning.
• Improve CI/CD pipelines and cross-platform build reliability.
• Design security architecture and runtime protections for iOS apps with native C++ components.
• Collaborate with product/QA/engineering and mentor junior engineers.

Skills

C++

iOS development

Security architecture

Cryptography

Debugging

CI/CD

Cross-platform

Unreal Engine

Education

Bachelor's degree or higher

Tools

Unreal Engine

Xcode

Code signing

Static/Dynamic analysis tools

Job description

Boeing is seeking a Senior Simulation Software & Security Engineer in Crawley, United Kingdom. You will own and extend a large native C++ codebase across Windows, Linux, and iOS, delivering across the full development lifecycle while hardening security architecture for an Unreal Engine-based iOS application.

This onsite role requires collaboration with cross-functional teams and mentoring of junior engineers.