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SES Satellites · 18 hours ago

(Senior) Engineer, Payload Test, meoSphere

Long Beach, CA

Contract

Onsite

Mid, Senior Level

$120K/yr - $150K/yr

5+ years exp

SES Satellites is a company focused on delivering secure connectivity services through its next-generation Medium Earth Orbit (MEO) satellite constellation, meoSphere. They are seeking a Senior Engineer, Payload Test to oversee the assembly, integration, and testing of satellite payloads, ensuring they meet performance and quality standards.

Communications InfrastructureHardwareSatellite CommunicationTelecommunicationsWired Telecommunications

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Assembly & Integration

Perform mechanical and electrical assembly of payload units, subsystems, and harnesses according to drawings, ICDs, and work instructions

Integrate payload equipment on panels, structures, and test benches, ensuring correct configuration management and traceability

Support integration of payloads onto the spacecraft platform, including interface checks and functional verification

Test Planning & Preparation

Contribute to development of AIT plans, procedures, and test specifications (functional, performance, and environmental)

Define test setups, configurations, and EGSE/MGSE needs for payload verification

Coordinate preparation of test equipment, instrumentation, and facilities (cleanroom, thermal vacuum chambers, EMC chambers, vibration tables, RF ranges, etc.)

Functional & Performance Testing

Execute payload functional tests, performance tests, and end-to-end link tests using EGSE, RF test equipment, and data acquisition systems

Analyse telemetry, logs, and test data to verify compliance with requirements and to identify anomalies or performance trends

Generate test reports, nonconformance reports (NCRs), and support root cause analysis and corrective actions

Environmental & Qualification Campaigns

Plan and execute environmental test campaigns (vibration, shock, thermal vacuum, EMC, RF/antenna tests) for payload units and integrated payloads

Ensure proper configuration control and instrumentation during environmental testing

Support correlation and update of analytical models with test results

Qualification

Aerospace EngineeringElectrical/Electronic EngineeringRF payload architecturesHardware test environmentsLabTest equipmentFluency in EnglishProblem-solving skillsAttention to detailCommunication skillsTeamwork

Required

Degree in Aerospace Engineering, Electrical/Electronic Engineering, Physics, or a related discipline

Minimum of 5 years of relevant experience

Practical experience in hardware test environments, ideally on payload hardware

Solid understanding of RF and/or digital payload architectures (e.g., repeaters, transponders, active antennas, processors, amplifiers)

Hands-on experience with lab and test equipment (oscilloscopes, power supplies, RF instruments, data loggers, EGSE)

Ability to write/read and interpret schematics, ICDs, and test procedures

Strong problem-solving skills, attention to detail, and a methodical, process-oriented mindset

Good communication skills and ability to work in multidisciplinary, international teams

Strong ability to work independently and with limited supervision

Fluency in English, both written and spoken, any other European language is considered as an asset

Eligibility for NATO/EU security clearances is essential. Candidates must be prepared to undergo a security clearance procedure, as this position may require holding such clearance

Willing to work at least 60% onsite from office

Willingness to travel domestically and internationally