CeleresCeleres is a high-tech company, committed to the design, integration, and operation of complex, mission-critical applications and systems throughout the world.We perform turnkey projects, engineering services and product development for our customers, developing state-of-the-art systems in the Space, Aerospace, Energy, Scientific Facilities and Defense and Security sectors.

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With a end-to-end approach, we seamlessly navigate the entire service cycle, from meticulous validation and ongoing maintenance to effective obsolescence management.Job descriptionCeleres is a high-tech engineering company specialising in the design, integration and operation of complex, mission-critical systems and applications worldwide.We deliver turnkey projects, engineering services and advanced technological solutions across the Space, Aerospace, Energy, Scientific Facilities and Defence & Security sectors.

Our end-to-end approach covers the entire system lifecycle, from initial design and development to validation, maintenance and obsolescence management.The role:With extensive experience in the space industry, Celeres develops launch vehicle systems, including the Ariane family, as well as Ground Control & Command systems for launchers and Earth observation satellites, serving both civil and military applications.We are looking for a Senior Engineer for Ground Segment Development to join our engineering team and contribute to the development of a mission control centre for a European spacecraft.In this role, you will be involved in the design, integration and configuration of space mission control and data preparation systems based on the EGS-CC (European Ground Systems – Common Core) architecture,



supporting the monitoring and control of the spacecraft.Position activities:Your main responsibilities will include:System Integration & Configuration: Integrate, configure and customize EGS-CC components to develop mission-specific ground control systems (EGSE/MCS).Software Development & Extension: Develop custom adapters, plugins and extensions within the Java/OSGi framework to adapt EGS-CC functionalities to specific space mission requirements.Data Modelling: Define, validate and maintain mission database models using the EGS-CC Conceptual Data Model (CDM) and Eclipse Modeling Framework (EMF).Verification & Testing: Perform Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT) and end-to-end validation of mission control systems.Technical Documentation: Prepare and maintain design documentation, Interface Control Documents (ICDs), test plans and procedures in accordance with space software engineering guidelines.Technical Leadership & Mentoring: Act as a subject matter expert on EGS-CC standards and technologies, providing technical guidance to junior engineers and collaborating with ESA and industry consortium stakeholders.RequirementsYour profile:Degree in Computer Engineering, Telecommunications Engineering or a related technical discipline.At least 5 years of professional experience in software engineering.Strong proficiency in Java development and component-based modular architectures using OSGi (Apache Karaf/Felix).Experience with Model-Driven Engineering, particularly Eclipse Modeling Framework (EMF), Eclipse RCP and XML/JSON data modelling schemas.Solid understanding of ECSS standards,



particularly ECSS-E-ST-70-41 and Packet Utilisation Standard (PUS), as well as spacecraft telemetry and telecommand (TM/TC) processing.Familiarity with modern Web UI technologies, including ReactJS, Redux and TypeScript.Experience with DevOps practices, Docker and CI/CD pipelines.Strong analytical and problem-solving skills, particularly when troubleshooting complex middleware and distributed software architectures.Ability to work effectively in multicultural, multi-company engineering teams and international project environments.High level of English (B2).Nice to have:At least 3 years of direct experience working with the EGS-CC kernel, EGS-CC web components or CDM modelling tools.Previous experience working on European space programmes.Knowledge of ground segment systems and spacecraft mission operations.What do we offer?Stability: A full-time position with a permanent contract.Challenging projects: The opportunity to work on cutting-edge technological projects with international impact.Work-life balance: Flexible working hours and a hybrid working model.Professional growth: Access to exclusive discounts on training programmes with UOC and opportunities for continuous learning and development.Versátil benefits: A Flexible Compensation Plan tailored to your needs, including Ticket Restaurant and the option to purchase additional holidays. xkdbapo Wellbeing & workplace: Modern, well-connected headquarters in Barcelona, with a welcoming working environment and additional office perks.We are committed to equal employment opportunity regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, etc.Location: Barcelona (Spain)Contract: PermanentWorking day: Full timeSector: Engineering and automotiveVacancies: 1Discipline: EngineeringWork modality: Hybrid

📌 Senior Engineer for Ground Segment development (Barcelona)
🏢 Gtd System & Software Engineering
📍 Barcelona