Mission Security Engineer

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 Mission Security Engineer to join our team in our Denver, Colorado location. In this role, you will work drive the mission security infrastructure to protect our on-orbit services. You will be integral to advancing trusted on-orbit servicing capabilities that will deliver our vision of a sustainable space environment.

• Identify, trade, and implement various security controls across the satellite, satellite command and control, network, and satellite ground systems.
• Lead, substantiate, and agree on system security design trade-offs in support of design maturation and program success.
• Oversee security design and reporting process for the mission, from cloud to satellite.
• Evolve security requirements into system solutions that account for the maturity of the design and available technology.
• Apply technical security knowledge to drive the analysis, investigation, and resolution of engineering problems, including future applications, and engineering developments.
• Lead in customer and supplier meetings and presentations related to mission security at all project stages.
• Prepare mission security related technical responses to bids, presentation materials and reports, for a variety of applications and customers.
• Collaborate with customers and suppliers as well as staff from other parts of Astroscale.

• Experience with network, hardware, and software security architectures and design evolution at various levels of the mission design lifecycle.
• Experience with cloud-based, on premises, and satellite security controls, architectures, and operations.
• Experience with NIST security controls and concepts, specifically NIST SP 800-53 and NIST SP 800-171.
• Collaborative communication and interpersonal skills with the ability to work both independently and as part of a team.
• Experienced professional with greater than 5 years’ experience in network, cyber, satellite, or satellite ground system security.
• Bachelor’s degree, Master’s degree or PhD in science, technology, engineering or math, or equivalent experience.

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: $130,000 – $160,000. 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 August 27, 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.