Senior Digital Electronics Engineer (Spacecraft Avionics)

Location: Hybrid at hirify.global UK, Harwell, Didcot, Oxfordshire, United Kingdom

Company

hirify.global develops on-orbit servicing solutions focused on life extension, refurbishment, in-space situational awareness, end-of-life services, and active debris removal.

What you will do

• Design and develop command and data-handling subsystems for spacecraft across the full engineering lifecycle.
• Review subsystem requirements and define data, processing, test, and verification plans.
• Design and review circuits and PCB designs for spacecraft avionics applications.
• Plan and conduct electrical subsystem and system-level verification, including environmental testing.
• Define telemetry and telecommand interfaces with payloads, platform units, and ground segments.
• Support avionics architecture trade-offs, supplier coordination, anomaly investigation, and root-cause analysis.

Requirements

• Diploma, bachelor's, or master's degree in electrical engineering or a relevant engineering or science discipline.
• At least 5 years of commercial experience designing electronic or command and data-handling systems for satellites.
• Experience with spacecraft standards and interfaces including CCSDS, I2C, RS422, SpaceWire, or CAN.
• Understanding of spacecraft command and data-handling systems and their electrical interfaces.
• Experience developing and conducting test plans for spacecraft avionics.
• Good understanding of systems engineering and requirements management throughout the project lifecycle.

Nice to have

• Experience physically testing hardware and handling flight equipment in a cleanroom environment.
• Experience with GNSS testing and satellite time synchronization.
• Radiation-tolerance analysis and radiation-hardness assurance for low-Earth-orbit applications.
• Knowledge of debris removal, end-of-life operations, in-orbit servicing, and digital space electronics design.

Culture & Benefits

• Flexible working around core hours with hybrid working available depending on role requirements.
• Optional 9/75 working pattern.
• 25 days of holiday, increasing yearly to a maximum of 28 days, plus 8 bank holidays.
• Life insurance, long-term sick pay, and private healthcare.
• Relocation allowance considered, with access to a modern office and cleanroom facility.
• Inclusive, international work environment with regular social events.