Your Talent,

Our Journey

As Fluid Systems Engineer you will participate in several tasks around fluidic simulation, testing and integration of both ground and on-board equipment. To test all elements of the engine, multiple test benches will be integrated before the end of this year. After which, both stages will need to be integrated and tested as well. The test results will need to be analyzed to see how the system responded in real life conditions.

Your main missions will consist in :

• Identify all the fluid functions for vehicle and ground proximity means (filling, pressurization, and conditioning facilities)- Carry-out sizing studies of the different processes
• Dynamic modeling of fluid processes
• Search for appropriate technical solutions
• Participate in vehicle integration studies with other departments (propulsion, architecture and industrial departments)
• Define detailed specifications for fluid systems components and collaborate with  suppliers ensuring compliance with quality standards and technical requirements.
• Write operational documentation of fluid processes for program development reviews.
• Develop the test logic of the ground segment and stages installations.
• Analyze test results in order to continuously improve vehicle performance.
• Liaise with other engineering departments (structures, avionics, quality, etc) in order to understand the systems various constraints such as mechanical, electrical, control command and environmental.

• Bachelor’s or Master’s degree in Mechanical, Aerospace, Chemical, or Energy Engineering (or equivalent).
• 2+ years of relevant experience in the aerospace, chemical, energy, or a similar industry.
• Strong understanding of fluid mechanics, thermodynamics, and system modelling.
• Knowledge of valve technologies, pressure regulators, and industrial piping is a strong plus.
• Hands-on experience with modelling software (e.g., Ecosim) is an asset, as well as familiarity with CAD tools (NX, CATIA…), CFD software (Fluent, Star-CCM+), and programming languages (Python, MATLAB, Fortran).
• Comfortable with iterative design processes and able to adapt in a fast-moving development environment.
• Strong teamwork and communication skills, with the ability to work effectively across disciplines.
• Fluent in English (spoken and written).

Reporting to the System Department, you will play a key role in ensuring the performance, coherence, and qualification of the system.

Your main responsibilities will include:

• Writing and managing system requirements for one launcher stage, and preparing and executing its verification and validation plan;
• Ensuring consistency between stage specifications, subsystem specifications, and their interfaces;
• Verifying alignment of the system with operational and launch system-level requirements;
• Preparing and supervising the stage acceptance specifications and tests;
• Defining the verification and qualification logic and drafting the validation plan for technical requirements;
• Organizing and contributing to major technical reviews (PDR, CDR, QR, etc.);
• Participating in subsystem development reviews and coordinating across technical departments;
• Managing configuration control and development planning;
• Providing technical support to production teams when needed.

Bachelor’s or Master’s degree in Engineering or equivalent;

At least 10 years of experience in a similar position or in a related field (space, aerospace, or complex systems);

Strong background in systems engineering with a solid multi-domain understanding;

Excellent analytical and synthesis skills, curiosity, and open-mindedness;

Good command of English, both written and spoken;

Strong communication and teamwork abilities in a multidisciplinary environment.

Ability to adapt quickly, work efficiently in a fast-paced environment, and make pragmatic decisions under tight schedules.

The intern’s duties will be :

• Write Assembly, Integration and Test (AIT) procedures for the onboard electronics sub-assemblies for the EPSILON project.
•  Develop automated procedures in the Syclone environment.
•  Set up the measurement acquisition system via the Beckhoff PLC ecosystem (HMI development, card selection, cabling, etc.).
• Participate in the design of integration and validation benches for electronic equipment.

The intern will learn about AIT electrical and electronic processes in the aerospace and Newspace sectors.

Technical skills:

• Excel and databases
• Knowledge of electronics and test script and HMI development.

Soft skills: Independent student who enjoys working in a team, proactive, able to generate ideas

As part of their duties, the intern will:

• Perform internal inspection/measurement of parts manufactured internally or externally
• Write control procedures for measurement operations
• Compile statistics on measurements and support defect analysis
• Potentially create a simple program on the CMM (Coordinate Measuring Machine)
• Calculate measurement uncertainty and process capability

He will learn various things :

• Implement and document a complete measurement protocol
• Analyze defects to improve the quality of received and internally produced parts
• Use a CMM for basic dimensional inspections

Education: 2nd year and above in a Bachelor of Technology in Physical Measurements (BUT Mesures Physiques)

Technical skills: Use of basic inspection tools, development of measurement protocols, measurement analysis, technical drawing interpretation

Soft skills: Ability to work in a multidisciplinary team, attentive listening, curiosity, willingness to learn, autonomy

The main responsibilities for this position include:

▪ Improving a clock synchronization feature to produce a disciplined clock for a CPU, based on external synchronization signals
▪ Developing specialized hardware drivers for RS422 based communication protocols
▪ Offloading specific CPU computations to the FPGA to improve system performance
▪ Developing software test benches, plan and run integration tests to validate the behavior of the IPs

▪ Education: Pursuing a degree in Electronics, Computer Science or a related field
▪ Technical skills: Proficiency in Hardware Description Language, preferably VHDL. Knowledge of typical microcontroller’s communication protocols is a plus (RS422, Ethernet, etc..)

▪ Soft skills: Proactive, autonomous, good communication and collaboration
abilities

An intern is needed to lead the development of this tool, leveraging data already available from an internal protocol description system. This project will play a key role in enhancing diagnostic capabilities across engineering teams and ensuring mission reliability.

• State-of-the-art of network protocol analysis
• Generate a complete ethernet decoding plugin from internal data (Wireshark)
• Document the development (user manual, test plan ..)
• Participate in avionics test campaign

The candidate will develop strong technical skills in network protocol analysis, Python programming, and plugin development for Wireshark. The intern will collaborate closely with engineers, improving their ability to communicate technical ideas, manage project timelines, and deliver robust and maintainable software in a multidisciplinary environment.

• Education: Pursuing a degree in Electronics, Computer Science or a related field
• Technical skills: Proficiency in Python (Django is a plus); familiarity with Wireshark, network protocols, and packet analysis
• Soft skills: Proactive, autonomous, good communication and collaboration abilities

The mission is involved in fiber optic instrumentation using integrated Bragg gratings (FBG) for the development and operation of integrated launchers.

• State of the art
• Constraint of embedded FBG measurements / conditionning
• Existing technologies tradeoff
• MVP Development and prototype testing
• Test campaign

• Education: Electronics master / engineer degree preparation
• Technical skills: analog & digital electronics, filtering, embedded electronics & software, sensor & instrumentation, optical notions
• Soft skills: innovative, test & proactive mindset

The Fluid & Propulsion Systems Department is responsible for the development of the launcher’s main engines, auxiliary propulsion, onboard fluid systems, as well as ground and test facilities fluid systems.

Within this department, the Fluid Systems team specifically focuses on:

• Designing fluid systems based on functional needs, system architecture, and fluid selection for all company fluid systems (launcher, ground, and test facilities).
• Choosing the appropriate components to meet the functional requirements.
• Modeling system behavior to validate design choices.
• Defining operation procedures for the fluid systems.
• Ensuring safety and reliability across all designed systems.
• Analyzing test results to verify system behavior and performance.
• Optimizing existing systems to improve reliability and efficiency.

As a Group Lead – Fluid System Engineer, you will play a dual role, combining technical expertise and managerial leadership. While actively contributing to the design and development of the launcher’s fluid systems, you will also be responsible for leading and structuring a team of 8 full-time engineers, ensuring efficient project execution, resource management, and talent development.

Technical leadership and coordination

• Oversee the design, development, and optimization of fluid systems for the launcher, ground, and test facilities.
• Ensure that system functional needs, architecture, fluid selection, and component choices align with performance, reliability, and safety requirements.
• Guide the team in system modeling, test analysis, and optimization to improve efficiency and robustness.
• Ensure smooth coordination with other engineering teams, integrating fluid systems within the overall vehicle architecture.
• Contribute to strategic planning and technical roadmaps, in collaboration with the Department Head.

Team management

• Lead, support, and mentor a team of engineers and interns, fostering a collaborative and high-performance environment. Promote a culture of knowledge sharing, technical efficiency and continuous improvement.
• Define human and budgetary resource needs, in alignment with the Team Lead and company priorities.
• Conduct performance reviews, goal setting, and career development discussions, in coordination with HR.
• Support the team’s skills development by identifying relevant training opportunities.
• Oversee team well-being and engagement, including team-building initiatives and fostering a positive work environment.

• Bachelor’s or Master’s degree in mechanical, aerospace, chemical, or energy engineering (or equivalent).
• 5+ years of relevant experience in the aerospace, chemical, or energy industry (or similar), including experience in a leadership or coordination role.
• Strong expertise in fluid mechanics, thermodynamics, and system modeling.
• Knowledge of valves, pressure regulators, and industrial piping is a plus.
• Hands-on experience with modeling software (EcoSim), CAD tools (NX, Catia), CFD tools (Fluent, Star CCM+), and programming languages (Python, Matlab, Fortran) is highly appreciated.
• Strong team leadership, mentoring, and interpersonal skills.
• Excellent communication skills and ability to work cross-functionally.
• Fluent in English (French is a plus).