companyStoke Space Technologies logo

Principal EMI/EMC Engineer

Stoke Space TechnologiesKent, WashingtonNew
On-site Full-time $129.2K/yr - $252.1K/yr

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Experience Level

Senior

Qualifications

Develop and implement detailed EMI/EMC requirements, specifications, control plans, and design guidelines for the launch vehicle and its subsystems, ensuring alignment with platform-level needs down to hardware. Conduct analyses for conducted and radiated emissions and susceptibility, bonding and grounding, lightning effects (both direct and indirect), electrostatic discharge (ESD), triboelectric charging, multipaction, and spacecraft charging. Work closely with avionics, RF, power, propulsion, structures, and software teams to integrate EMI/EMC best practices and mitigation strategies early in the design process. Create and execute EMI/EMC test plans and procedures, including pre-compliance checks, formal qualification, and system-level testing. Lead troubleshooting and root-cause analysis for EMI/EMC issues, implementing corrective measures and validating effectiveness. Document all EMI/EMC processes, including requirements, analyses, test reports, verification matrices, and certification packages to facilitate internal reviews and external audits.

About the job

Stoke Space Technologies is building Nova, a fully reusable launch vehicle designed for frequent, reliable, and cost-effective space transportation. The company’s mission centers on making space access routine and affordable, supporting a sustainable future on Earth.

The avionics system forms the backbone of Stoke’s reusable space vehicles. As the first Principal EMI/EMC Engineer, this role will shape the company’s entire electromagnetic environmental effects (E3) program from inception. The position is based in Kent, Washington.

Role overview

This is a foundational, hands-on position in a startup setting. The Principal EMI/EMC Engineer will take ownership of all electromagnetic compatibility and interference (EMC/EMI) efforts, ensuring avionics and electronic systems perform reliably in demanding electromagnetic environments. The work directly impacts the safety and success of each mission.

What you will do

  • Define and manage requirements for EMI/EMC across the company’s space systems
  • Design and implement solutions to mitigate electromagnetic risks
  • Assess and address EMC risks throughout the product lifecycle
  • Plan and conduct EMI/EMC testing on avionics and related systems
  • Coordinate with external agencies for EMI/EMC certification
  • Help develop company-wide standards for avionics EMI/EMC

What we look for

  • Expertise in electromagnetic effects and environments
  • Ability to work independently and adapt quickly to changing information
  • Strong problem-solving skills and a drive to find practical solutions
  • Comfort working in a collaborative, startup environment

This role requires initiative, focus, and the flexibility to respond to new challenges as they arise. The Principal EMI/EMC Engineer will play a key part in shaping Stoke’s approach to avionics reliability and mission success.

About Stoke Space Technologies

Stoke Space Technologies is committed to revolutionizing space transportation through innovative technology and a focus on sustainability. Our mission is to facilitate a scalable and reliable space economy that can benefit humanity as a whole.

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