Test Engineer, RF

The role

You will help integrate, test and validate spacecraft systems and RF components for Loft's space missions. You will run hands-on functional, integration and environmental tests, and troubleshoot issues with RF, electrical and system engineers.

What you will do

• Develop, run and maintain test plans and procedures for spacecraft, RF and electrical components.
• Perform functional, integration and validation testing of spacecraft hardware.
• Support assembly, integration and testing of RF components and subsystems.
• Troubleshoot electrical, RF and system-level issues found during testing.
• Operate RF test equipment such as spectrum analyzers, VNAs and signal generators.
• Analyze test results, document anomalies and support corrective actions.
• Support thermal vacuum, vibration and EMI/EMC testing as needed.
• Work with electrical, mechanical, RF and systems engineers on spacecraft integration.
• Improve test procedures, equipment, automation and testing efficiency.
• Support spacecraft electrical checkout and functional verification during AIT.

Required qualifications

• Bachelor's degree in Electrical Engineering, Aerospace Engineering or a related technical field, or equivalent relevant experience.
• Hands-on experience in test engineering, including execution, validation, troubleshooting and analysis.
• Experience testing electrical, electronic, aerospace or other complex hardware systems.
• Foundational understanding of RF concepts or some practical RF testing exposure, with willingness to develop RF expertise.
• Familiarity with electrical test equipment and laboratory testing environments.
• Strong analytical and troubleshooting skills.
• Ability to interpret technical documentation, test procedures and engineering specifications.
• Strong communication skills and ability to collaborate with cross-functional engineering teams.
• Resume attached in English.

Nice to have

• Experience with spacecraft assembly, integration and testing (AIT) or satellite hardware.
• Hands-on experience with RF test equipment, including VNAs, spectrum analyzers, signal generators or RF chambers.
• Experience testing RF subsystems, transceivers, amplifiers, antennas or communication systems.
• Familiarity with TT&C, GPS/GNSS testing or spacecraft communication systems.
• Experience with EMI/EMC, thermal vacuum or vibration testing.
• Experience with test automation or scripting in Python, MATLAB, LabVIEW or similar.
• Familiarity with RF system performance analysis, signal processing or RF simulations.
• Experience developing or improving test procedures and troubleshooting complex spacecraft or electronic systems.

Benefits

• 100% company-paid medical, dental and vision for you and your dependents.
• 100% company-paid life, AD&D and disability insurance.
• Fully paid parental leave: 16 weeks for birthing parents, 10 weeks for non-birthing parents.
• Flexible time off and 12 paid holidays.
• HSA with employer contribution, FSAs and commuter benefits.
• Carrot Fertility, One Medical and a free Employee Assistance Program.
• 401(k) and equity.
• Daily catered lunches and snacks in office.
• Annual company off-site and regular social events.
• International exposure to the team in France.
• Relocation assistance when applicable.

Before you apply

• Applicants are encouraged to apply even if they do not meet every qualification.
• Resume must be attached in English.

About the company

Loft provides governments, companies and research institutions a fast, reliable way to deploy missions in orbit, integrating, launching and operating spacecraft. Founded in 2017, it has flown more than 30 missions and has offices in San Francisco, Golden and Toulouse.