The Development Test Engineer II at Impulse, will lead the planning, execution, and analysis of tests critical to validating next-generation in-space mobility systems. This role is highly cross-functional, interfacing with design, analysis, manufacturing, and operations teams to ensure products meet performance, safety, and reliability requirements. The ideal candidate combines strong engineering fundamentals with hands-on test experience in a fast-paced development environment. This position plays a key role in maturing early-stage designs into flight-ready hardware. Responsibilities • Design, build, and commission test fixtures for fluid, cryogenic, high-pressure, cyclic, environmental, mechanical, and structural testing • Execute tests safely and efficiently, including setup, operations, and troubleshooting during live test events • Strong problem-solving and troubleshooting capabilities • Work closely with design and manufacturing teams to ensure testability and rapid feedback cycles • Excellent technical writing and documentation skills Minimum Qualifications • 3+ years' experience testing aerospace or spaceflight hardware (propulsion systems, structures, mechanisms, avionics) • Bachelor’s degree in Mechanical, Aerospace, Electrical, or related engineering discipline • A demonstrated understanding of mechanical, propulsion, fluid, or structural systems • Strong data analysis skills using tools such as Python, MATLAB, or similar • Hands-on experience with hardware in a laboratory or test-stand environment • Ability to manage multiple test campaigns in a fast-paced environment Preferred Skills and Experience • 5+ years' experience testing aerospace or spaceflight hardware (propulsion systems, structures, mechanisms, avionics) • Familiarity with high-pressure fluid systems, cryogenic systems, or hazardous test operations • Proficiency with instrumentation, DAQ systems, and sensor selection/integration • Demonstrated ability to develop test plans, execute complex tests, and document results • Background in designing and automating test setups with NI, LabVIEW, PLCs, or similar platforms • Ability to interpret engineering drawings, FEA/CFD results, and system requirements • Prior involvement in fast-paced R&D or startup environments with rapid iteration cycles Additional Requirements: • Flexible schedule and willing to travel as needed Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.