Company Description

Astroscale U.S. is dedicated to the global Astroscale vision of ensuring the safe and sustainable development of space for future generations.  Astroscale U.S. Inc. is a leading provider of on-orbit servicing solutions — including inspection, transportation, life extension, debris removal and refueling — for the U.S. government and commercial operators around the world. Headquartered in Denver, Colorado, Astroscale U.S. applies world-class rendezvous, proximity operations and docking capabilities, mission design, policy, and economics expertise to solve the complex challenges our customers face.

Astroscale U.S. Inc. is currently seeking a Software Test Engineer to join the team in our Denver, Colorado office. As part of the Software Test team you will design and develop test routines and infrastructure to exercise and validate software and hardware components for our satellite mission programs.

Job Description

Develop and execute test plans and test cases for our software and hardware systems
Work alongside program and team leadership to manage the test plan and implementation of the test framework
Participate in design and code reviews to ensure that software meets quality standards
Create and execute system level verification, validation, integration, and test plans
Continuously improve the software testing process to ensure high quality software delivery
Rapidly prototype software to prove out design concepts and participate in development of hardware-in-the-loop systems
Collaborate with internal partner organizations and third-party organizations.
Assess software and system issues to find solutions, including across software-hardware interfaces

Qualifications

Professional experience developing Python
Professional experience with software test development
Familiarity with C, modern C++, bash, Linux, Git and Docker
Familiarity with cloud services and modern CI/CD practices
Familiarity with Rust or an interest in learning it
Excellent verbal and written communication skills
Experience with, or interest in, software/hardware integration
Experienced professional with greater than 4 years’ experience in software development, preferably within aerospace or defense, and demonstrated team lead experience.
Bachelor’s degree, Master’s degree or PhD in science, technology, engineering or math, or equivalent experience.

Additional Information

If you’re passionate about our mission and believe you’d be an outstanding addition to our team, don’t worry about checking every single box—or having a background solely in aerospace or defense. At Astroscale U.S., we’re committed to fostering a diverse, inclusive, and open-minded environment. We embrace a wide range of perspectives, experiences, and ways of thinking. If you’re excited about contributing to our work and think you’d thrive in this role, we encourage you to apply.

Salary range: $105,000 – $130,000. The salary range represents the low and high end of the Astroscale U.S. Inc. salary range for this position. Actual salaries will vary and may be above or below the range based on various factors including but not limited to experience, knowledge, and ability as applicable to the role.

The application deadline is September 2, 2025.

Please note Astroscale U.S. is a U.S. Government registered, export control compliant company, as such applicants should be a U.S. person or U.S. citizen.
Astroscale U.S. Inc. is an E-Verify employer.