Summer 2026 – Test Engineering Internship

CesiumAstro • Westminster, CO

71d

About The Position

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Summer 2026 – Test Engineer Intern to our team for the summer. If you enjoy working in a fast-paced, startup environment and are passionate about leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you. As a Test Engineer Intern, you will have the opportunity to gain experience in electronics and test theory as well as hands-on lab work. This position will span various aspects of electronics test engineering while supporting the daily operations of our organization. This internship is an excellent opportunity for individuals interested in pursuing a career in test. In the space industry, test engineering is a critical technical field that combines deep technical knowledge with extensive hands-on experience. Test engineer interns play a broad role that ranges from working on test plans and procedures to designing test PCBs, along with spending plenty of time in the lab assembling and testing cutting-edge phased array systems and components. Cesium interns regularly present their work to peers, mentors, and Cesium executive leadership throughout the course of the summer. As such, excellent written and verbal communication skills are required.

Requirements

• Current enrollment in a Bachelor’s or Master’s program in engineering at an accredited institution
• Strong analytical and problem-solving abilities to assess and improve test processes
• Ability to work effectively in a team environment, share ideas, and contribute to collective goals
• Excellent verbal and written communication skills to collaborate with cross-functional teams and present findings
• High level of attention to detail to ensure accuracy in process documentation and quality control activities
• Willingness to learn and adapt to changing priorities and project requirements
• Proactive and self-motivated with a desire to take on new challenges and responsibilities

Nice To Haves

• Hands-on experience with lab instruments such as digital oscilloscopes, spectrum analyzers, RF signal generators, and vector signal analyzers
• Programming or scripting experience, such as Python, LabVIEW, SQL, MATLAB, or Embedded C
• Understanding of RF and mixed-signal hardware (e.g. amplifiers, filters, ADCs/DACs, antennas)

Responsibilities

• Collaborate with the test engineering team to execute tests in the electronics lab, such as functional testing, digital signal integrity verification, or power converter control loop measurements
• Work with test architectures and test systems, including equipment selection, test fixtures, data logging methodology, and interfaces
• Assemble complex test setups, working with design engineers and technicians
• Executing tests at the prototype, qualification, and acceptance stages
• Assist in troubleshooting and resolving production issues by applying engineering principles and problem-solving skills
• Collect and analyze data from test processes to identify trends and areas for improvement
• Assist in quality control activities, including inspections, testing, and root cause analysis for non-conforming products

Benefits

• All CesiumAstro internships are compensated competitively
• Located onsite at one of our facilities

What This Job Offers

• Career Level: Intern
• Education Level: Bachelor's degree
• Number of Employees: 101-250 employees