Senior Simulation Software & Security Engineer

Job Description

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.

Boeing Global Services SW Engineering provides aerospace industry leadership in custom software development, engineering and technical services, and a range of other services to support training centres. Join the Commercial Simulation Binary team as a Senior Simulation Software & Security Engineer part of the SW Engineering team supporting Training Solutions. In this role, you will also help define, implement, and harden the security architecture for a complex iOS application built with Unreal Engine and extensive proprietary native C++ libraries.

Hiring details:

This requisition is for a locally hired position in Crawley. Benefits and pay are determined at the local level and are not part of Boeing U.S. based payroll.

This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options.

Position Responsibilities:

Own, extend, and maintain a large native C++ codebase: design, implement, review, and ship high-quality, cross-platform code for Windows, Linux, and iOS.

Deliver across the full development lifecycle: feature development, bug fixes, refactors, performance tuning, and ongoing maintenance.

Build, improve, and troubleshoot automated build systems and CI/CD pipelines to increase reliability, reduce build times, and ensure reproducible cross-platform builds.

Develop and maintain cross-platform tooling for code generation, packaging, signing, deployment, and release automation in partnership with DevOps.

Design and implement security architecture and runtime protections for a complex iOS application with native C++ components, including integrity checks, jailbreak/anti-debug detection, and tamper response.

Protect proprietary C++ libraries and sensitive data from reverse engineering and unauthorized extraction using hardening, obfuscation, and other protection techniques.

Define secure interfaces between Unreal Engine and native libraries, apply least-privilege and robust input validation, and implement secure handling of downloaded/runtime-accessed content.

Evaluate and select security-related libraries, frameworks, and third-party protection tools; partner with teams to harden build, signing, and release pipelines and ensure secure cloud authentication/token handling.

Implement and manage security logging, telemetry, and data controls for adversarial detection, and perform security validation activities including static/dynamic analysis, fuzzing, and reverse-engineering assessments.

Collaborate cross-functionally with product, QA, and engineering teams, mentor junior engineers, and advocate engineering best practices to balance security, performance, maintainability, and user experience.

Basic Qualifications (Required Skills/Experience):

Bachelor of Science degree or higher from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science

Very strong proficiency in modern C/C++ and low-level programming skills, ability to write clear, maintainable, and efficient code

Experience developing iOS application security architecture

Experience with secure cryptography usage and key management

Experience with secure storage on iOS

Preferred Qualifications (Desired Skills/Experience):

7+ years of applicable experience

iOS/macOS development experience

Knowledge of packaging and deployment for mobile platforms (IPA creation, code signing)

Experience with unit testing frameworks and test automation

Knowledge of native application security for desktop and mobile applications

Knowledge of build caching and distributed build systems

Background in performance optimization, memory management, and multithreaded programming

Proven experience working directly in and modifying a large, existing code base

Proven experience handling multiple tool chains for cross-platform development

Hands-on experience with automated build and CI systems

Strong debugging skills with experience using debuggers and profiling tools

Familiarity with source control workflows and branching strategies

Excellent communication skills and ability to work effectively on a cross-functional team

Experience with software cracking for security improvement, including runtime integrity and memory control strategies

Experience with jailbreaking and permissionless debugger attachment

Experience with reverse engineering

Experience developing secure cloud authentication and token handling

Experience with security-focused static analysis, dynamic analysis, fuzzing, and adversarial validation

The Boeing benefits package goes above and beyond, focusing on your physical, emotional, financial and social well-being. Here’s a snapshot of what we offer:

Competitive salary and annual incentive plans

Continuous learning - you’ll develop the approach and skills to navigate whatever comes next

Success as defined by you - we’ll provide the tools and flexibility, so you can make a meaningful impact, your way

Inclusive culture - you’ll be embraced for who you are and empowered to use your voice to help others find theirs

Excellent Adoption and Parental leave options

23 days plus UK public holidays and a Winter Break between Christmas and New Year

Pension Plan with up to 10% employer contribution

Company paid BUPA Medical Plan

Short Term Sickness: 100% pay for the first 26 weeks

Long Term Sickness: 66.67% of annual salary from 27th week

6x annual salary life insurance

Learning Together Programme to support your on-going personal and career development

Access to Boeing’s Well Being Programs, tool and incentives

Conflict of Interest

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Applications for this position will be accepted until Jul. 31, 2026

Export Control Requirements:

This is not an Export Control position.

Education

Bachelor's Degree or Equivalent Required

Relocation

Relocation assistance is not a negotiable benefit for this position.

Visa Sponsorship

Employer will not sponsor applicants for employment visa status.

Shift

Not a Shift Worker (United Kingdom)

We have teams in more than 65 countries, and each person plays a role in helping us become one of the world’s most innovative, diverse and inclusive companies. We are a Disability Confident Committed employer and welcome applications from candidates with disabilities. Applicants are encouraged to share with our recruitment team any accommodations required during the recruitment process. Accommodations may include but are not limited to: conducting interviews in accessible locations that accommodate mobility needs, encouraging candidates to bring and use any existing assistive technology such as screen readers and offering flexible interview formats such as virtual or phone interviews.