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# Software and Modelling Engineer - Space Engineering

- **Company:** Cs Group
- **Location:** Stevenage, UK
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), Software Applications, Unit Testing, C++ (Programming Language), CAN Bus, Communications Protocols, Continuous Delivery, Continuous Integration, Software Debugging, Software Design Patterns, Linux, Hardware-In-The-Loop Simulation, Linux System Administration, Object-Oriented Software Development, Software Architecture, Software Maintenance, Real-Time Operating Systems, Red Hat Enterprise Linux, Software Engineering, Software Systems, Strategies of Testing, UML, Multithreading, Software Verification, Information Technology
- **Published:** August 2, 2026
- **Apply:** https://www.careerjet.co.uk/job/gb605888e06b1afe8fa387d2784e2d659d/eaa

## About the Role

You will have the following qualifications and relevant experience:

 * University degree in Computer Science, Software Engineering, Aerospace Engineering or a related technical discipline;
 * At least 4 years of industrial experience in software engineering (5+ years preferred);
 * Strong software design and development experience using C++;
 * Good working knowledge of Java (primarily for software testing activities);
 * Experience designing and debugging real-time software in Linux (RedHat) environments;
 * Experience with Hardware-in-the-Loop (HIL) systems;
 * Experience working with Continuous Integration and Continuous Deployment (CI/CD) environments;
 * Strong understanding of multi-process and multi-threaded software architectures;
 * Experience with software testing methodologies and unit testing frameworks;
 * Knowledge of Object-Oriented Analysis and Design (OOAD) using UML or similar modelling techniques;
 * Good understanding of the complete Software Development Life Cycle (SDLC);
 * Knowledge of software design patterns and modern coding best practices;
 * Familiarity with software development frameworks, tools and utilities;
 * Experience with machine-to-machine communication protocols;
 * Excellent communication and presentation skills in English.

The following experience would be considered a strong advantage:

 * Experience with spacecraft avionics systems;
 * Knowledge of ECSS software standards, particularly ECSS PUS;
 * Experience with SpaceWire, MIL-STD-1553 and CAN Bus communication protocols;
 * Previous experience working on ESA or other space programmes.

## Description

As part of the On-board Software and Functional Verification (FV) team, you will contribute to the development of software for the ESA Vigil satellite programme, supporting one of Europe's flagship space missions.
Working in a Continuous Deployment environment, you will be involved in the design, implementation, integration and verification of on-board software, collaborating closely with multidisciplinary engineering teams to ensure the successful delivery of high-quality software solutions.
Your responsibilities will include:

 * Designing, developing and maintaining on-board software using C++;
 * Developing and maintaining software models and simulation environments;
 * Supporting hardware-in-the-loop (HIL) design, integration and testing activities;
 * Debugging and troubleshooting real-time software in Linux environments;
 * Contributing to Continuous Integration and Continuous Deployment (CI/CD) pipelines;
 * Designing and implementing multi-process and multi-threaded software applications;
 * Developing and executing software verification activities, including unit and integration testing;
 * Applying software engineering best practices, object-oriented design principles and design patterns;
 * Producing and maintaining technical documentation in accordance with ECSS standards;
 * Working closely with systems, avionics and verification engineers throughout the software development lifecycle;
 * Communicating technical concepts effectively to both technical and non-technical stakeholders.


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