2644197 Kreios Space S.L. Nigrán, Spain Software Engineering Embedded Software Engineer Your mission
At Kreios Space, we are looking for an Embedded Software Engineer to join our team on-site in Porto do Molle (Nigrán) and help us build robust, efficient, and thoughtfully designed embedded solutions for real-world space applications.
In this role, you will contribute to the development, integration, testing, and continuous improvement of embedded systems that have a direct impact on the final product. We are looking for someone with a solid firmware background, good technical judgment, and a hands-on mindset who enjoys solving challenges and seeing their work translate into something tangible and meaningful.
Your main responsibilities will include:
  • Designing, developing, and maintaining embedded software for electronic devices and systems.
  • Contributing to the integration of reliable and efficient embedded solutions.
  • Debugging, testing, and optimizing code to ensure performance and stability.
  • Creating and maintaining clear, useful technical documentation.
  • Supporting the selection of components and development tools based on project needs.
]]> Your profile
We are looking for someone with experience in embedded software or firmware development who is excited to contribute to innovative technical projects in a collaborative environment.
You’ll be a great fit if you have:
  • A degree in Telecommunications Engineering, Computer Engineering, Electronics, or a related field.
  • Previous experience in embedded software or firmware development.
  • Strong programming skills in C and C++.
  • Experience working with microcontrollers (MCUs) and common embedded architectures such as ARM, STM32, ESP32, PIC, or similar.
  • Experience with communication modules and common interfaces such as SPI, UART, and I2C.
  • Experience with CAN is a plus, and knowledge of other communication protocols will also be valued.
  • A solid understanding of embedded systems and modular, maintainable firmware development.
  • Ability to interpret electronic schematics and work comfortably in environments where software and electronics come together.
  • Experience using debugging and analysis tools such as oscilloscopes, logic analyzers, or multimeters.
  • Familiarity with Git and technical documentation practices.
  • A good level of English to work with documentation, tools, and communicate within an international environments.
Nice to have:
  • Experience with RTOS is valued, but it is not required.
  • Knowledge of Linux, especially in connectivity or system integration contexts.
We’ll also value these personal strengths:
  • Clear communication and a collaborative mindset.
  • Analytical thinking and a practical approach to problem-solving.
  • Attention to detail and commitment to quality.
  • Autonomy, adaptability, and eagerness to keep learning.
  • Genuine interest in technology and motivation to contribute to projects with real impact.
]]> Why us?
At Kreios Space, you won’t just be working on isolated developments- you’ll be contributing directly to the product. Your work will have a visible impact on what we build, how it performs, and how it evolves. This is a great opportunity for someone who enjoys being close to the technology, the decisions, and the final outcome.
We also care a lot about creating an environment where people genuinely enjoy working together. We have a very good team atmosphere, close collaboration, and a culture where ideas are welcome and contributions are valued.
What we offer:
  • The opportunity to work on technology with real product impact.
  • A collaborative and innovative environment where you can contribute from day one.
  • Meaningful technical challenges and the chance to work close to the final product.
  • Continuous learning and professional growth opportunities.
  • A strong team culture and a genuinely positive working environment.
  • An on-site role in Porto do Molle (Nigrán).
  • Fresh fruit in the office every week, plus coffee and milk always available.
]]> permanent experienced full-time 2-5 software,newspace,satellite,VLEO,ABEP general_and_other_engineering engineering 2026-05-21T12:10:48+00:00 2610370 Kreios Space S.L. Nigrán, Spain Technology Lead Systems Engineer (Platform Systems) Your mission
You will be the technical owner of our satellite platform- the person who turns mission needs into a buildable, testable and reliable system, and who is not afraid to go hands-on when reality hits hardware.
  • Own the platform technical direction: define and drive the system architecture, requirements, interfaces and budgets to ensure a coherent end-to-end platform.
  • Make the right engineering calls: lead trade-offs across mass, power, thermal, data, RF and reliability to converge on a design the team can actually deliver.
  • Bring systems to the lab: define the verification approach and actively support AIT and test campaigns (planning, procedures, acceptance criteria, reports).
  • Be the “go-to” technical problem solver: troubleshoot anomalies, unblock the team, and push issues to closure with pragmatic engineering judgement.
  • Connect specialists into one system: align subsystem/domain experts across departments, ensuring interfaces, assumptions and decisions are consistent and documented.
  • Enable execution with structure: work with a Project Manager who supports planning and delivery tracking, so you can focus on technical leadership and hands-on execution.
  • On-site role: work from our facilities in Porto do Molle (Nigrán, Spain), close to the hardware, the lab and the engineering team.
]]> Your profile
  • Engineering degree in Aerospace / Industrial / Telecommunications / Electronics (or similar).
  • 7+ years in space systems engineering, with participation in flight projects.
  • Proven hands-on experience in system/subsystem integration and verification (AIT).
  • Strong background in:
    • Requirements engineering & traceability
    • System architecture & interface management (ICDs)
    • V&V / test logic (procedures, reports, anomaly tracking)
    • Risk & reliability methods  and engineering margins
    • Space standards (ECSS or equivalent)
  • Comfortable working across structures, avionics, ADCS, thermal, propulsion, SW/FDIR and operations.
  • Mindset/skills: technical leadership, autonomy, clear communication, prioritization, ability to move from high-level architecture to detailed problem solving.
Nice to have
  • MBSE / SysML and architecture tools.
  • Exposure to EGSE/MGSE, TVAC/vibration, EMC/EMI campaigns.
  • Experience with avionics/electrical interfaces, harnessing, C&DH, or on-board SW verification.
  • Strong configuration/documentation discipline (baselines, change control, review packages).
]]> Why us? At Kreios Space, we’re not just building technology- we’re redefining propulsion in orbit.
This is a place for people who want to push boundaries, challenge conventions, and work on problems that have never been solved before. We operate at the intersection of cutting-edge physics, aerospace engineering, and real-world impact- where your work doesn’t stay on paper, it flies.

What makes us different:


Real impact, real ownership: You won’t be a small cog in a large machine. Here, you’ll take full ownership of critical systems and see your work move from concept to space. Decisions are fast, responsibility is real, and your contribution is visible.
Deep-tech challenges at the frontier: We’re tackling problems that only a handful of teams in the world are attempting. This means high intellectual rigor, constant learning, and the opportunity to work alongside exceptional engineers and scientists.
Top-tier talent, low ego culture: We’re building a team of ambitious, high-performing people who care deeply about what they do- but who also value collaboration, humility, and clarity of thinking.
A company on a mission, not just a roadmap: Kreios is not optimizing an existing solution- we are creating a new category in space propulsion. Joining now means shaping the technology, the culture, and the future of the company.
Growth that matches your ambition: As we scale, so will your scope. This is the right place if you want your career trajectory to be as bold as the problems you’re solving.]]> permanent experienced full-time 5-7 ABEP,VLEO,Satellite,LeadSystemsEngineer,Platform aeronautic_and_avionic_engineering engineering 2026-04-22T15:10:28+00:00 2631716 Kreios Space S.L. Nigrán, Spain Thermo-Mecanical Mechanical Engineer Your mission As a Senior Mechanical Engineer, you will contribute to the mechanical design and development of Kreios Space’s satellite platform and ABEP thruster systems. You will work closely with multidisciplinary teams across the full development cycle, supporting the design, integration, validation and improvement of both laboratory and flight hardware. Your mission will be to ensure that mechanical solutions are robust, reliable and aligned with the demanding requirements of space environments.]]> Your profile
  • Senior professional with 5+ years of experience in mechanical design, ideally in the aerospace sector or other high-performance technology environments.
  • Strong experience with CAD tools such as SolidWorks or similar.
  • Experience with FEM tools, such as FEMAP and Nastran.
  • Solid understanding of materials, structures and mechanical design in demanding operating conditions; space environment knowledge is a strong plus.
  • Experience supporting the development, integration and validation of hardware.
  • Comfortable working in multidisciplinary teams, contributing actively across different stages of the development process.
  • Analytical and detail-oriented, with a rigorous approach to design, validation and problem-solving.
  • Proactive mindset, with the ability to suggest improvements and adapt in fast-paced, technically demanding environments.
  • Good communication skills, with the ability to document and explain technical solutions clearly.
]]> Why us?
At Kreios Space, you won’t be joining a large, layered organization where engineering is far from decision-making. You will work close to the core of the technology, alongside the people designing, building and testing it.
This is a hands-on role in a deep-tech environment where mechanical engineering has a direct impact on hardware performance, manufacturability and iteration speed. You will contribute to real systems, real constraints and real technical trade-offs, not just documentation or isolated design tasks.

We are building ambitious space technology from the ground up, which means high ownership, fast learning and close collaboration across disciplines. If you enjoy working on complex hardware, moving between design and practical implementation, and being part of a team that is shaping the product as it evolves, this is the kind of environment where you can do your best work.
]]> permanent experienced full-time 5-7 space,satellite,ABEP,mechanical,CAD,design mechanical_engineering engineering 2026-05-12T09:45:33+00:00 2377800 Kreios Space S.L. Nigrán, Spain Managment Talent Pool Open Application Your mission Your profile We want to understand your interests, your goals, what you are currently working on, and what you expect from Kreios Space for your career development.
We are always looking for people who bring:

  • Passion for aerospace and technology.

  • Curiosity and creativity to solve problems in new ways.

  • Team spirit and willingness to collaborate across disciplines.

  • Commitment to excellence and attention to detail.

  • A proactive and growth-oriented mindset.

Who should apply
Whether you are an engineer, researcher, business developer, project manager, or simply someone motivated to contribute to the future of space, we would love to hear from you.

]]> Why us? Real impact : At Kreios Space, you will be an active part of the entire process, from the initial ideas to the final result. It's part of how we work: autonomy, trust and real responsibility from day one. We want you to see the direct impact of your work and have the freedom to propose, decide and build.

Innovation: We work at the frontier of the space industry. Our air-breathing propulsion system, fuel-free and truly disruptive, is designed to unlock very low Earth orbits, opening entirely new opportunities for satellites and the services they enable.

Conditions that boost your talent: We create an environment where your talent can thrive: flexible working hours, a compensation package tailored to you, continuous training, and access to cutting-edge technical infrastructure to help you achieve your best work.

Equity: We believe in rewarding the people who make our mission possible. Alongside a competitive salary, you’ll have access to our company share plan, because at Kreios Space, success is something we build together.

At Kreios, we value and celebrate diversity, striving to create an inclusive environment where everyone is treated with fairness, respect, and dignity.
 We are committed to providing equal employment opportunities and do not discriminate against any employee or applicant on the basis of race, color, religion, sex, gender identity or expression, nationality origin, age, or disability.]]> permanent experienced full-or-part-time 2-5 other other 2025-10-07T17:19:37+00:00 2377773 Kreios Space S.L. Nigrán, Spain Tec&Business Profile - Intermediate RF Analyst Your mission Kreios Space is seeking an RF Analyst responsible for analyzing space communications in Earth‑space and space‑space links within the telecommunications domain. You will be part of an engineering team dedicated to the analysis and modeling of communication systems, including the design and evaluation of antenna parameters, the study of signal transmission and reception processes, and the analysis of communication techniques and architectures, always considering technical aspects with a clear orientation toward business needs and opportunities in the telecom sector.

Responsibilities

Under the direction of the Mission Manager, and in close interaction with the different work teams, you will be responsible for the following tasks:
  • Perform communication link analysis for Earth‑space and space‑space scenarios within the telecommunications domain.
  • Participate in the analysis and modeling of communication systems in space environments.
  • Design, evaluate, and optimize antenna parameters according to system requirements.
  • Develop studies on signal transmission and reception considering technical and operational constraints.
  • Analyze and select communication techniques and architectures suitable for each mission or application.
  • Prepare technical documentation and support decision‑making with arguments based on performance, feasibility, and business requirements in the telecom sector.
  • Collaborate with other engineering teams to ensure coherence between design, modeling, and commercial needs.
  • Identify improvement opportunities in current systems and contribute to defining business‑oriented solutions.
]]> Your profile Education

Degree in Telecommunications Engineering, Electronics, or equivalent. Master’s degree desirable.

Minimum Knowledge
  • Solid foundations in electronic communications and RF systems.
  • Knowledge of space communication links (Earth‑space and space‑space).
  • Basic handling of simulation and communication system modeling tools.
  • Understanding of antenna parameters and operation.
  • Understanding of modulation, demodulation, signal transmission, and signal reception processes.
  • Familiarity with link budgets and performance calculations.
  • General knowledge of the telecommunications sector and its technical requirements.
  • Ability to interpret technical documentation and produce clear reports.
Desired Knowledge
  • Previous experience in space communications analysis or satellite projects.
  • Advanced use of simulation tools (HFSS, CST, STK, GNURadio, etc.).
  • Familiarity with advanced communication architectures (MIMO, beamforming, SDR, error‑correction techniques, etc.).
  • Experience in interference analysis, spectral coexistence, and spectrum planning.
  • Proficiency with RF simulation tools.
  • Knowledge of Matlab, Python, C+.
Experience

At least 2 years working with advanced RF systems.

Interpersonal Skills
  • Technical precision.
  • Ability to analyze and solve complex problems.
  • Organized and methodical, capable of meeting project milestones.
  • Collaborative mindset; comfortable working with cross‑functional teams.
  • Good communication skills and clear documentation.
  • Proactive attitude.
  • Ability to work in multidisciplinary teams and complex engineering environments.
]]> Why us? Real impact : At Kreios Space, you will be an active part of the entire process, from the initial ideas to the final result. It's part of how we work: autonomy, trust and real responsibility from day one. We want you to see the direct impact of your work and have the freedom to propose, decide and build.

Innovation: We work at the frontier of the space industry. Our air-breathing propulsion system, fuel-free and truly disruptive, is designed to unlock very low Earth orbits, opening entirely new opportunities for satellites and the services they enable.

Conditions that boost your talent: We create an environment where your talent can thrive: flexible working hours, a compensation package tailored to you, continuous training, and access to cutting-edge technical infrastructure to help you achieve your best work.

Equity: We believe in rewarding the people who make our mission possible. Alongside a competitive salary, you’ll have access to our company share plan, because at Kreios Space, success is something we build together.

At Kreios, we value and celebrate diversity, striving to create an inclusive environment where everyone is treated with fairness, respect, and dignity.
 We are committed to providing equal employment opportunities and do not discriminate against any employee or applicant on the basis of race, color, religion, sex, gender identity or expression, nationality origin, age, or disability.]]> permanent experienced full-time 2-5 RF Engineer,Telecomunications,Electric Propulsion,Space systems_and_process_engineering engineering 2025-10-07T17:00:44+00:00 2377566 Kreios Space S.L. Nigrán, Spain Tec&Business Profile - Intermediate RF Engineer Your mission RF Engineer, you will contribute to the development of Kreios Space’s electric propulsion systems for Very Low Earth Orbit (VLEO).

Your mission will be to support the design, simulation, assembly and testing of RF and microwave antennas used in our air-breathing plasma thrusters, helping transform advanced research into robust, flight-ready hardware.

You will work closely with propulsion, plasma physics and systems teams in a hands-on environment, contributing to laboratory testing, data analysis and design iterations.]]> Your profile
  • Degree in Electrical Engineering, Telecommunications, Physics or a related field
  • Background in RF/microwave engineering or antennas, gained through professional experience, research or academic projects
  • Strong interest in space technologies, electric propulsion and experimental work
  • Comfortable working in a laboratory environment and interacting with hardware
  • Fluent in English

    • We are open to candidates at different levels of experience. The role and responsibilities can be adapted based on seniority.


    Specific Knowledge
    • RF and microwave fundamentals (impedance matching, S-parameters, antennas)
    • Experience with electromagnetic simulation tools (HFSS, CST, COMSOL or similar)
    • Hands-on experience with RF measurement equipment (VNA, spectrum analyzer, signal generator, power meters)
    • Ability to support antenna tuning, RF testing and post-processing of measurement data
    • Basic programming or scripting skills (Python, MATLAB or similar)
    • Knowledge of plasma systems, EMC/EMI or space hardware is considered a plus

    Interpersonal Skills

    • Curious and proactive, with a strong learning mindset
    • Methodical and detail-oriented, especially in experimental and test environments
    • Comfortable collaborating within multidisciplinary engineering teams
    • Clear communicator, able to document and explain technical work
    • Adaptable and resilient in a fast-moving startup context
    • Positive attitude, constructive sense of humor and ability to contribute to a healthy, enjoyable work environment



    ]]>     Why us?
  • Work on real space hardware that will fly in orbit, not just simulations or papers
  • Be part of a fast-growing European space startup shaping the future of sustainable space operations
  • Hands-on access to labs, test campaigns and cutting-edge technology from day one
  • Join a highly collaborative, respectful and supportive team where knowledge is shared openly
  • Enjoy a great work environment that values trust, autonomy, learning and good energy at work
  • Strong technical growth path in a scaling company, where your work has visible impact and you actively help shape both the technology and the way we work
    • ]]>     permanent experienced full-time 1-2 RF Engineering,Microwave Engineering,RF Antenna Design,Electromagnetic Simulations,Satellite Propulsion,Space Hardware,Plasma Thrusters,Electric Propulsion rf_and_wireless_engineering engineering 2025-10-07T14:55:56+00:00     2637749 Kreios Space S.L. Nigrán, Spain Technology Satellite Operations Engineer (VLEO Missions) Your mission Kreios Space is building the next generation of satellite for Very Low Earth Orbit (VLEO). We are looking for a Satellite Operations Engineer to help define, prepare and execute mission operations for satellites flying closer to Earth than conventional platforms. In this role, you will contribute across the full operational lifecycle, from mission preparation and validation on ground to launch, early operations, commissioning and routine in-orbit activities.
     
     You will work hands-on with flight operations concepts, procedures, telemetry analysis and operational planning, while collaborating closely with systems, software and mission teams. This is an opportunity for someone who enjoys turning complex mission concepts into safe, disciplined and scalable operations in a demanding technical environment.
     
         ]]>     Your profile What you will do
    • Own the definition, planning and execution of spacecraft operations for VLEO missions.
    • Prepare operational concepts, timelines, procedures and command sequences for nominal and off-nominal scenarios.
    • Contribute to launch, early operations and commissioning activities, including readiness preparation and anomaly response support.
    • Monitor spacecraft telemetry and assess platform and payload health, performance and trends.
    • Work with mission analysis and systems engineering teams to translate mission objectives into practical operational constraints and workflows.
    • Collaborate with flight software and ground segment teams to validate operational tools, interfaces and automation scripts.
    • Support simulation campaigns, integrated tests and mission rehearsals before flight.
    • Develop contingency procedures, operational checklists and mission documentation.
    • Contribute to the continuous improvement of operations processes, data review methods and console practices.
    • Coordinate operational inputs with external partners when needed, including ground segment and mission support providers.
    What we are looking for
    • Bachelor’s or Master’s degree in Aerospace Engineering, Telecommunications, Electronics, Computer Science, Physics or a similar technical discipline.
    • Solid understanding of spacecraft architecture, subsystems and mission operations principles.
    • Experience in satellite operations, mission preparation, AIV, system validation or a comparable hands-on space environment.
    • Experience with Python, MATLAB or similar scripting and analysis tools.
    • Comfort working with multidisciplinary engineering teams in a fast-moving development context.
    • Clear written and verbal communication in English.
    • A proactive mindset and willingness to take ownership of operational topics from definition to execution.
    Nice to have
    • Experience with mission analysis or orbit simulation tools such as STK or equivalent.
    • Knowledge of ECSS, CCSDS or other applicable space standards.
    • Exposure to ground segment infrastructure, TT&C systems or mission control environments.
    • Experience supporting launch and early orbit operations, commissioning or real-time console activities.
    • Familiarity with Earth observation or telecommunications mission concepts.
    • Understanding of the constraints associated with VLEO missions, such as atmospheric drag, lifetime management and highly iterative operational planning.
    • Experience with automation, data pipelines or internal tooling for operations teams.
    ]]>     Why us?
  • Work on missions that aim to make long-duration VLEO operations a reality.
  • Be part of a highly technical team developing spacecraft and enabling technologies with direct mission impact.
  • Take ownership early and contribute across the full mission lifecycle, from preparation to in-orbit execution.
  • Grow in a fast-evolving environment where initiative, technical depth and collaboration are genuinely valued.
  • Join a company that is building ambitious space technology from Galicia with an international outlook.
  • Contribute to a culture based on respect, inclusion, accountability and shared ambition.
    • If this challenge sounds like a fit for you, we would love to hear from you. 
    Join Kreios Space and help shape how satellites are operated in Very Low Earth Orbit.]]>     permanent experienced full-time 2-5 satellite,VLEO,ABEP,SatelliteOperations,mission aeronautic_and_avionic_engineering engineering 2026-05-18T18:02:12+00:00     2553093 Kreios Space S.L. Nigrán, Spain Technology Test Technician (Propulsion & Vacuum Systems) Your mission As a Test Technician, you will be directly involved in the core of our propulsion development efforts. You will prepare and operate our vacuum test facilities, work hands‑on with real hardware, and support engineers during key testing campaigns. Your work will contribute directly to validating components and subsystems that will fly in space, becoming an essential part of our experimental and testing operations.
    Location: Porto do Molle, Nigrán.
    ]]>     Your profile

    What You Will Do:

    • Prepare and condition vacuum chambers for propulsion testing.
    • Execute and supervise experimental tests, ensuring compliance with procedures and safety standards.
    • Support laboratory and experimental activities across different engineering teams.
    • Assist in the design, setup and maintenance of vacuum chambers and cleanroom infrastructure.
    • Assemble propulsion subsystems: sensors, gas lines, structural components.
    • Perform manual workshop tasks (cutting, assembly, basic machining).
    • Maintain test equipment and facilities in optimal operating condition.
    • Follow safety protocols for gases, vacuum systems and high‑voltage equipment.

    What You Bring:

    Essential:
    • Experience using measurement and control instrumentation.
    • Strong hands‑on skills: cutting, assembling, basic machining.
    • Knowledge of safety procedures for high‑voltage systems, fluids and gases.
    • Ability to communicate in English (spoken and written).
    Nice to have:
    • Experience with vacuum chamber design/assembly/operation.
    • Knowledge of cleanroom environments and operational standards.
    • Experience mounting sensors (e.g., thermocouples, pressure sensors) and propulsion‑related components.

    Your Strengths:

    • Teamwork in multidisciplinary environments.
    • Adaptability to support diverse tasks.
    • Proactive approach to solving technical issues.
    • Attention to detail and strong adherence to procedures.
    ]]>     Why us?
    • Work on cutting‑edge electric propulsion technology.
    • High‑impact, hands‑on role with real hardware that will reach space.
    • Young, international and highly technical team.
    • Fast career growth as the company and testing team scale.
    • Be part of one of Europe’s most promising aerospace deep‑tech startups.
    ]]>     permanent experienced full-time 1-2 testing,vacuum chamber,satellite,propulsion aeronautic_and_avionic_engineering engineering 2026-03-04T10:43:37+00:00