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Salary
≈ $92k – $208k per year (Estimated)
Location
In office (Luxembourg City)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 25, 2026.

Overview
Company
Impact
Profile match
EnduroSat is a Bulgarian space technology company founded in 2015 and based in Sofia. It builds modular nanosatellites and shared satellite services for commercial and scientific missions. The company has delivered spacecraft and components to customers worldwide.

About us

We are EnduroSat! A fast-growing space scale-up at the forefront of satellite innovation, specializing in advanced software-flexible satellites for commercial, governmental, and scientific endeavors.

  • This is more than a job, it`s a mission

    We are making space universally accessible and redefining the possible

  • We get things done

    We take ownership of what we do and we work hard to make a difference

  • We are fearless

    Transpаrancy is our only way forward. We dare to address and resolve issues head-on

  • We learn from our mistakes

    We deliver, take informed risks, and evolve to achieve our goals. We compare with the best version of ourselves

What is the role?

As a Senior Systems Engineer, you will be responsible for defining, designing, and overseeing the development of space systems, including satellites, ground segments, and user devices. Your role involves translating user and stakeholder requirements into detailed system and subsystem specifications, and guiding the engineering teams throughout the system's lifecycle. You will develop system architectures, manage system validation, and ensure optimal performance from both space and ground components.

Some of your daily tasks will also include:

  • Coordinating the design and development of space systems by breaking down high-level requirements into detailed technical specifications
  • Collaborate with cross-functional teams to understand payload requirements and translate them into system specifications
  • Collaborating with software and hardware engineers to align components and optimize overall system performance
  • Engaging with stakeholders to gather and refine user requirements, ensuring their needs are met from concept to deployment
  • Conducting end-to-end validation and performance modeling to ensure seamless integration and operation of the systems
  • Writing and managing technical requirements to guide the project towards successful execution.
  • Implement test procedures to verify payload performance and reliability
  • Utilize various programming languages and tools to develop software components and systems
  • Work closely with hardware engineers, project managers, and other stakeholders to deliver integrated satellite solutions.
  • Design and develop software solutions for satellite payloads, ensuring compliance with industry standards. Utilize various programming languages and tools to develop software components and systems

What do we look for?

  • BSc or MSc degree in aerospace engineering, electronics, computer science, wireless communications, or similar fields
  • Experience in the design of space systems from proposal stage through to detailed design.
  • Experience in systems-of-systems design and system performance modeling, with high-level requirements decomposition into well-defined system and subsystem requirements.
  • Experience in End-to-End validation of space systems including both space and ground components.
  • Knowledge of satellite communications (Link budgets, protocols, commercial products)
  • Professional requirements writing experience

How to Stand Out:

  • Previous experience in project execution applying ECSS standards
  • System modeling and simulation tools such as Matlab, Simulink and Python
  • Knowledge of cloud-based architectures
  • Knowledge of security architectures and standards applicable to space systems.
  • Knowledge of satellite onboard processing and image processing and the potential use of AI algorithms for edge computing

Why EnduroSat?

  • Fast-paced and delivery-focused culture

    We work with well-defined quarterly based objectives, that allow us to fast-track the progression of our work and improve as we go

  • Tough engineering challenges & hard-core R&D

    You will be able to work on unique space technology and build next-gen innovations, while mentored by world-recognized space experts

  • Constant learning and progression

    Own your personal growth by navigating through our career progression framework and educational programs

  • Chance to join our space educational program

    Meet international space experts and improve your knowledge and skillset with our hands-on educational program

At EnduroSat, we embrace diversity and strive to create an inclusive environment where everyone is treated with fairness and respect. We are committed to equal employment opportunities without discrimination against any employee or job applicant on the basis of race, color, religion, sex, national origin, age, disability, sexual orientation, or gender identity. Additionally, this position is suitable for people with disabilities in accordance with the People with Disabilities National Regulation Act, ensuring accessibility and accommodation in the workplace.

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