RF Test Engineer

About Capella

Capella, an IonQ company, builds trusted space systems that deliver secure, rapid, and actionable Earth intelligence to amplify decision-making for allied partners. As the first U.S. company to launch and operate a commercial Synthetic Aperture Radar (SAR) constellation, Capella provides precise, high-resolution radar imagery in any condition—day or night, through clouds, smoke, and darkness. Capella is defining the future of space-based intelligence through a vertically integrated approach that spans spacecraft design, advanced radar payloads, manufacturing, automated tasking, and low-latency delivery of mission-ready data. Capella designs for the realities of modern defense and intelligence: speed, sovereignty, and resilience. Powered by IonQ, Capella is creating the world’s first quantum-enabled Earth observation network—transforming how intelligence is delivered through innovation, speed, and trust. This next-generation architecture will provide governments and global partners with a decisive edge: the ability to see, decide, and act with confidence in any environment.

Capella was named one of Fast Company’s 10 Most Innovative Companies in Space in 2023 and is a trusted partner of the U.S. Space Force, U.S. Air Force, U.S. Navy, NASA, the National Reconnaissance Office, and allied government agencies worldwide. Built In recognized IonQ on three of its 2025 Best Places to Work lists.

What Makes Capella Unique?

Capella, an IonQ company, spans national security, advanced sensing, and next-generation compute to deliver secure, mission-ready intelligence. Capella’s culture is built on collaboration, rigorous engineering, and a shared commitment to delivering solutions that strengthens global stability and security. Team members work side-by-side with some of the most innovative minds in space systems, quantum-enabled technologies, and mission-critical operations. Capella values curiosity, resilience, and a willingness to tackle hard problems with precision and creativity. Capella welcomes and encourages applicants whose perspectives are historically underrepresented in technology, national security, and aerospace. No prior space experience is required. Diverse viewpoints strengthen Capella’s ability to innovate and to deliver meaningful impact for partners worldwide.

About the Role & Team

The Spacecraft Manufacturing & Test team is a small-but-growing group that works closely together and collaborates throughout the company. From component production and testing to launch vehicle integration, we work hard to navigate technical and schedule challenges to deliver safe, functional spacecraft. This requires schedule flexibility during challenging times, but we seek to maintain work-life balance in return.

This role is open to a range of engineering backgrounds (software, electrical, physics, etc.) and experience levels. Your ability to learn and desire to solve problems are the most important qualifications.

Role Responsibilities

• Integration and test of RF components and subassemblies
• Verification and troubleshooting of RF subsystems through all phases of spacecraft integration
• Develop and execute test plans and procedures for components and spacecraft systems
• Develop/maintain test scripts within an existing test automation framework
• Analyze test data and provide recommendations for improvements in both test quality and efficiency
• Collaborate with cross-functional teams to troubleshoot and resolve issues
• Conduct environmental testing to ensure performance in various conditions
• Participate in design reviews and provide input on testability
• Maintain test equipment and facilities
• Develop new electrical and mechanical ground support equipment
• Adhere to safety and quality standards

Required Qualifications

• Hands-on experience with RF test equipment such as network analyzers, spectrum analyzers, and arbitrary waveform generators
• Knowledge of RF system architecture and impairments
• Knowledge of antenna properties and transmission line theory
• Hands-on experience working with RF PCB-based circuits
• Familiar with scripting/automation using Python
• Experience and comfort handling and operating spacecraft flight hardware safely
• A methodical approach to testing and problem solving of complex systems
• A track record of safe and effective testing of complex systems
• Ability to work in a fast-paced and dynamic environment
• To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Capella Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.

Desired Qualifications

• Bachelor's degree in Mechanical, Aerospace, Electrical Engineering or related field
• 3+ years of equivalent experience in test engineering or similar technical field
• Knowledge of spacecraft subsystems and operations
• Experience operating in a contamination- and ESD-sensitive environment
• Experience testing high-power RF electronics

Compensation

The annual salary range for this role is $93,064 - $118,457, depending on qualifications, experience, and level of responsibility. The final job level and annual salary will be determined based on the education, qualification, knowledge, skills, ability, and experience of the final candidate(s), specific office location and calibrated against relevant market data and internal team equity. Benefits listed in this posting may vary depending on the nature of your employment with Capella.

Benefits/Perks

In addition to an opportunity to take part in an innovative, collaborative and fast-growing business with a highly motivated and skilled team, we also take pride in taking care of our employees. Here are just a few ways that we show our appreciation:

• We provide extensive medical coverage, including strong vision and dental plans, flexible spending accounts, and additional supplemental health options.
• Paid Flexible Time Off Policy
• 401(k) Plan with Company Match to help you invest in your long-term retirement goals
• Parental Leave program
• Lifestyle Spending Account
• Commuter & Parking Benefits
• Mental Health Resources
• Monthly Phone Stipend
• Furry friends? We’ve got you covered with dog-friendly work environment & them with pet insurance options

Equal Opportunity Statement

Capella is an equal opportunity employer, committed to creating a diverse and inclusive workplace, and upholding equitable hiring practices.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic under federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws, including the CA Fair Chance Initiative for Hiring Ordinance. We actively encourage members of recognized minorities, women, Veterans, and those with disabilities to apply, and we work to create a welcoming and supportive environment for all applicants throughout the interview process. If you need assistance or require an accommodation during the job application process, please notify [email protected]

To learn more about us, explore our site: https://www.capellaspace.com/ and follow us on X and LinkedIn to see our SAR imagery!