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.

About the Position

As a Test Engineer at Arkadia,you will playa central roleinvalidatingour propulsion products,from development prototypes to commercial flightengines and systems.

You will support the development team during early-stage testing and technology maturation,operating with autonomythe testing activities associated with commercial engines and propulsion systems (acceptance,qualificationand recurring production tests).

Thisrole is a key partof ourtesting andhardware validationactivities.



You will work hands-on with propulsioncomponents,systems, testbenchesand ground support equipmentat our TestCenter, ensuring that everyelementthat leaves our facilities has been rigorously verified.

As Arkadia expands its product range and increases production, this role will take on greater responsibility in planning,coordinationand improvement oftesting activities.

What you'll be doing

Support development test campaignsfrom early prototypes toqualification units

Executeacceptance testing ofalready qualifiedcomponents (thrusters, tanks, etc.) and completepropulsion systems.

Testtypes includehot-firing,pressure testing (e.g.,leak, proof, burst)and environmental (e.g.,vibration, thermalvacuum)

Prepare and review test plans,proceduresand test readiness documentation

Analyze test data and produce technical reports

Coordinate test execution with development,systemsandA&Iteams;

Investigate anomalies and contribute to root cause analysis

Ensure compliance with internal safety standards and test facility procedures

Contribute to the evolution and optimization of test benches and GSE

Improve documentation,repeatabilityand efficiency of recurring test activities





What you'll need

BSc. in Aerospace Engineering, Mechanical Engineering or similar

Experience executing structured test campaigns (development and/or qualification)

Strong understanding of

Pressurized fluid systems

Hands-on experience working with hardware

Experience writing test documentation and technical reports

Ability to troubleshoot during live test operations in a structured and safe manner

Organized, methodical and rigorous mindset

Strong ownership attitude and ability to coordinate across teams

Comfortable in fast-paced, hardware-driven environments

Advanced English (spoken and written)

Nice to have

Experience with monopropellant or bipropellant propulsion systems

Experience supporting production or recurrentacceptance testing

Experience coordinating testing at external facilities or suppliers

Experience designing ormodifyingtest benches or ground support equipment

Familiarity with ECSS standards

Basic knowledge of control and automation tools(LabVIEW)

Experience with environmental testing (e.g.,vibration, shock, thermal vacuum

Spanish is a plus

Why Arkadia?

Because here you will

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

📌 Test Engineer (Madrid)
🏢 ARKADIA SPACE
📍 Madrid