Simulation Software Engineer (Experienced or Senior level)

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 Simulation Software Engineer (Experienced or Senior level) part of the SW Engineering team supporting Training Solutions.
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, modify, and extend a large C++ code base: design, implement, review, and ship high-quality code.
• Work across the full development lifecycle: feature development, bug fixes, refactors, performance tuning, and maintenance.
• Build and improve automated build systems and CI/CD pipelines to increase build reliability and developer productivity.
• Develop and maintain cross-platform tooling for code generation, packaging, and deployment.
• Troubleshoot build failures, reduce build times, and ensure reproducible builds across platforms.
• Collaborate with product, QA, and DevOps to define requirements and deliverables.
• Mentor junior engineers and contribute to engineering best practices and coding standards.
• Support platform-specific development (Windows, Linux, iOS) and integration.

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
• Strong proficiency in modern C++, ability to write clear, maintainable, and efficient code

Preferred Qualifications (Desired Skills/Experience):
Level 3 (Experienced):

• 5+ 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

Level 4 (Senior):

• 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

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. 11, 2026
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)
Equal Opportunity Employer:
We are an equal opportunity employer. We do not accept unlawful discrimination in our recruitment or employment practices on any grounds including but not limited to; race, color, ethnicity, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military and veteran status, or other characteristics covered by applicable law.
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.