Arkadia, established in 2020, is a pioneering force in the space industry. We have a clear vision: to make space exploration sustainable, accessible, and innovative. We are an in-space propulsion company, developing and commercializing the most performing chemical systems using green propellants, the real alternative to traditional storable propulsion.

Our headquarters are located in Castellon de la Plana on the Costa Azahar. We operate a 100% privately managed orbital engine Test Center at Castellón Airport, the first of its kind in Europe. This facility provides agility, flexibility and speed for tailored, rapid propulsion developments and for testing of engine prototypes and products.

At Arkadia, we trust in every member of our team as we specialize in developing cutting-edge propulsion systems. Our company culture is built on collaboration, innovation, and personal growth. We offer a friendly and stimulating work environment where you can thrive. We value work-life balance, which is reflected in adaptable schedules and ongoing professional development opportunities. If you are seeking an opportunity to contribute to the future of space exploration,

About the Position

As aSystemsEngineer for Propulsion Systemsat Arkadia, you will play a key role in defining and maturing propulsion productsand technologiesfrom concept to qualificationand flight.

You willbe responsible fordefining andmaintainingthecross-product and cross-project tools and technologies that will enable the design engineers to build propulsion systems for commercial contracts.Occasionallyyou will support the product and project development directly, in design, analysis, test campaigns and/or project milestone reviews.

This is a high-impact role where your decisions influence real hardware, realcampaignsand real missions, across the entire product range.

You will work in close coordination withvariousproduct experts and project engineers,as well ascustomersandsuppliers to ensure technical and programmatic coherence.

What you'll be doing





- Define andmaintainthe design rules for all propulsion systems.
- Define andmaintainthe high-level requirements system,includingcross-project applicability and flow-down toproducts.
- Ensure compliancewithhigh-level authorities such as launch andrangesafety.
- Managehigh-leveltechnicalbudgetsdefinitionand methods(mass, power, performance,margins,etc).
- Coordinate product assurance tasks and documentation.
- Create operations manuals and system-level documentation such as FMEA or RAMS.
- Define interfaces across internalproducts for system-level compatibility.
- Coordinate and own system design tasks tocomply withcommercial contracts.
- Supportmanufacturing,integrationand testcampaigns.
- Identifyand mitigate technical risks throughout thedevelopmentlifecycle.
- Contribute to customer technical discussions and design reviews.

What you'll need

- 3years of experience insystems engineering forspace systems.
- Strongorganizational skills.
- Understanding ofdesign rules, sizing,budgetsand margins.
- Knowledge of product management and development cycles.
- Knowledge of launch manuals and/or range safety.
- Familiarity with documentationand review processes.
- Experience working in multidisciplinary development environments.
- Comfortable taking ownership in fast-paced, iterative teams.
- Experience withrequirements management.
- Advanced English (spoken and written).

Nice to have

- Familiarity with ECSS standards, NASAGEVSor similar frameworks.
- Familiarity with SpaceX and Ariane launch manuals.
- Experience withproduct testing.
- Hands-onexperience in system design.
- Knowledge of US Range Safety requirements.

What we Offer

- Work alongside a passionate and highly skilled space team
- Havereal technicalownership and visibility across disciplines
- Stay close to hardware and test campaigns
- Enjoy flexibility and a collaborative atmosphere
- Receive onboarding and accommodation support if relocating
- Benefit from the facilities and ecosystem of the university campus where we are based

If this resonates with you, we would love to hear from you.

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📌 Systems Engineer (Castellón de la Plana)
🏢 ARKADIA SPACE
📍 Castellón de la Plana