Senior Engineer, Payload Test, meoSphere

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

Company

SES develops secure connectivity services and broadband through its meoSphere next-generation Medium Earth Orbit satellite constellation.

What you will do

• Assemble and integrate payload units, subsystems, harnesses, panels, structures, test benches, and spacecraft interfaces.
• Develop AIT plans, procedures, test specifications, configurations, and EGSE/MGSE requirements.
• Prepare test equipment, instrumentation, cleanrooms, thermal vacuum chambers, EMC chambers, vibration tables, and RF ranges.
• Execute functional, performance, environmental, RF, antenna, and end-to-end link tests using EGSE, RF equipment, and data acquisition systems.
• Analyse telemetry, logs, and test data; produce test and nonconformance reports and support root cause analysis and corrective actions.
• Maintain configuration control and support analytical model correlation using environmental test results.

Requirements

• Degree in Aerospace Engineering, Electrical or Electronic Engineering, Physics, or a related discipline.
• At least 5 years of relevant experience, including practical experience in hardware test environments, ideally with payload hardware.
• Understanding of RF and/or digital payload architectures, including repeaters, transponders, active antennas, processors, or amplifiers.
• Hands-on experience with oscilloscopes, power supplies, RF instruments, data loggers, EGSE, and other laboratory test equipment.
• Ability to read, write, and interpret schematics, ICDs, and test procedures.
• Strong problem-solving skills, attention to detail, and a methodical, process-oriented approach.
• Good communication skills and ability to work in multidisciplinary, international teams.
• Ability to work independently with limited supervision.
• Eligibility for ESA/EU SECRET personnel security clearances and willingness to undergo the required security clearance procedure.
• Fluent written and spoken English required.

Nice to have

• Any other European language.

Culture & Benefits

• Permanent employment contract.
• Work in an international, multidisciplinary environment focused on satellite payload development.
• Inclusive workplace committed to equal employment opportunities and diverse backgrounds.
• At least 60% onsite work and willingness to travel domestically and internationally are required.