SimSoftware

Groupe SII; Stevenage; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Competitive Basic Salary

6% Employers Contribution + 6% salary

Private Medical Insurance

Life Cover and Income Protection

25 days holiday

10 days full sick pay per year

Flexible working

Cycle to Work & TechScheme

Continuous professional development

Udemy platform access

Job summary

Groupe SII is seeking two full-time Simulation Software Engineers to join the SimSoftware team in Stevenage on-site. You will develop and maintain simulation software, contribute to design, testing and integration, and work with CI/CD and issue tracking tools in a structured engineering environment.

Strong modern C++ development is required. Desirable skills include C#, GoogleTest, RTC/EWM and MADGE/MASCOT. The role offers a competitive salary and benefits package with flexible working options.

Qualifications

• Proficient in modern C++ development.
• Experience with Jira, Git, Jenkins, Artifactory and UML tooling.
• Nice to have C#, GoogleTest, RTC/EWM and MADGE/MASCOT knowledge.

Responsibilities

• Develop and maintain simulation software within the SimSoftware environment.
• Contribute to system design, implementation, testing and integration.
• Work with configuration management, CI/CD, and issue tracking tools.
• Collaborate with multidisciplinary engineering teams to deliver high-quality simulation capabilities.

Skills

Modern C++

Jira

Git

Jenkins

Artifactory

UML

C#

GoogleTest

RTC/EWM

MADGE/MASCOT

Tools

Jira

Git

Jenkins

Artifactory

UML

Job description

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR. With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust, Transparency, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner. Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise. Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

#Let’sTechTogether

THE OPPORTUNITY

We are seeking two (2) full-time equivalent Simulation Software Engineers to join the SimSoftware team immediately. The role focuses on simulation development activities, contributing to high-quality, mission-critical software solutions. Candidates must be able to work full time on-site in Stevenage and demonstrate strong expertise in modern C++ development within a structured engineering environment.

Key Responsibilities

• Develop and maintain simulation software within the SimSoftware environment.
• Contribute to system design, implementation, testing, and integration activities.
• Work with configuration management, CI/CD, and issue tracking tools.
• Collaborate with multidisciplinary engineering teams to deliver high-quality simulation capabilities.

Essential Skills & Experience

Strong modern C++ development experience. Experience with:

• Jira
• Git
• Jenkins
• Artifactory
• UML

Desirable

• C#
• GoogleTest
• Rational Team Concert (RTC)/Engineering Workflow Management (EWM)
• MADGE / MASCOT

Benefits

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 10 days full sick pay per year
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• Corporate access to the Udemy platform
• If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.

http://www.groupe-sii.com/en