Senior Engineer, Payload Systems, meoSphere (Satellite Systems)

Location: Betzdorf, Luxembourg; at least 60% onsite from the office; national and international travel required

Company

SES is developing meoSphere, a next-generation Medium Earth Orbit satellite constellation for secure connectivity, broadband internet, government agencies, enterprises, and commercial customers.

What you will do

• Design satellite payloads and key communication, networking, power, and navigation subsystems.
• Support design trades covering payload capacity, mass, power, spectral resources, volume, duty cycles, and mission performance.
• Translate mission requirements into technical specifications, system requirements, and engineering constraints.
• Build and execute spacecraft and payload simulations and models under varied operating and environmental conditions.
• Use Python, MATLAB, and/or C++ for performance analysis, Monte Carlo studies, and validation of design assumptions.
• Develop test plans, procedures, and verification strategies for payload and system performance.

Requirements

• Degree in Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Telecommunications, Physics, or a related field.
• Strong understanding of satellite subsystems, particularly payloads, RF systems, and spacecraft platforms.
• Hands-on experience with system modelling, simulation, and performance assessment.
• Proficiency in Python, MATLAB, and/or C++ for simulation, analysis, and tool development.
• Experience with requirements development, ConOps definition, and system-level design processes.
• Strong analytical, problem-solving, communication, documentation, teamwork, and independent task-management skills.
• Eligibility for ESA/EU/NATO/National SECRET personnel security clearances and willingness to undergo a security clearance procedure.
• Willingness to work at least 60% onsite from the office and travel nationally and internationally.

Nice to have

• Experience in a satellite operator or satellite manufacturing environment.
• Knowledge of model-based systems engineering tools or standards.
• Familiarity with digital payloads, phased arrays, and advanced communication system architectures.
• Experience with environmental testing, satellite integration, or in-orbit payload commissioning.

Culture & Benefits

• Permanent employment.
• Owner’s mindset focused on shipping, learning, iterating, prototyping, and hardening.
• Pragmatic engineering rigor using reviews and verification to accelerate delivery.
• Collaborative, low-ego work across multidisciplinary engineering teams.
• Equal employment opportunity employer.