Senior Software Engineer, Test Infrastructure
- Salary
- $213,000 - $237,000
- Level
- Senior
Not stated in the posting: work type, visa.
Open. First seen 2 October 2026.
About the role
About the role
Muon seeks a Senior Software Engineer to join our Software Test team. An ideal candidate is an expert in software testing processes, an accomplished software tool developer, and experienced with Hardware-in-the-Loop and Simulations driven testing. In this role, you will be a major contributor to the best-practices and architecture of our software testing infrastructure.
You will work with engineers across our department to implement testing policy and deliver testing capabilities, improving our velocity and ability to launch successful missions. This position is based at our San Jose, CA office.
Responsibilities
- Build and support in-house software testing infrastructure, including hardware testbed capabilities as well as simulated test scenarios.
- Break down complex technical goals into detailed and well-explained proposals.
- Integrate feedback from client teams to drive iterative improvements to our testing tools and procedures.
- Expand test coverage by developing novel off-nominal test scenarios.
- Work closely with the Simulations team to integrate simulation tools into automated testing campaigns.
- Lead by example with reliable estimation and planning.
- Ensure team alignment with company goals and success against performance metrics.
- Mentor Test and Simulation team engineers.
Qualifications
- Proven ability to deliver reliable software testing infrastructure.
- B.S. or equivalent experience in Computer Science or a related field.
- 8+ years' experience as a software engineer in a team environment.
- Strong programming experience in Python.
- Experience with version control systems (e.g., Git) and continuous integration/continuous deployment (CI/CD) pipelines (e.g. Github Actions).
- Familiarity with Linux systems administration and Docker containers.
- Willingness to operate in novel technical domains.
- Excellent communication and presentation skills.
Nice-to-have Skills
- Knowledge of C/C++.
- Fluency in statistical analysis.
- Familiarity with common electronics test equipment (e.g., oscilloscopes, multimeters, power supplies, logic analyzers).
- Experience testing embedded hardware projects, like robotics, autonomous vehicles, or aerospace.
- Experience designing infrastructure or orchestration for running and reporting on end-to-end integration tests on large multi-component systems.
- Experience with Hardware-in-the-Loop integration testing.
- Familiarity with cloud deployment environments, like Kubernetes and virtual instances.
- Experience with Software-in-the-Loop simulation.
Salary
The salary range for this role is $213,000 - $237,000 plus a competitive equity grant and comprehensive benefits package. Final compensation will be based on skills, qualifications, experience, and geographic location as assessed during the interview process.
About Muon Space
Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale.
Muon Space's standard text
From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world.
Taking Care of Our Team
At Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave.
Our mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity.
Muon Space's standard text
We value diversity in the workplace, and that starts with our applicants. We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application! In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.
Muon is currently registered and able to hire in the following states:
AL, AZ, CA, CO, CT, DC, FL, GA, IL, IA, ID, MD, MA, MI, MN, MO, NJ, NY, NC, OH, OR, PA, TN, TX, VT, VA, WA
ITAR/EAR Requirements
This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency.
Muon Space's standard text
The Company may, for legitimate business reasons, decline to pursue any export licensing process.
What this role asks for
Particular to this role
Docker · Git · GitHub · Kubernetes · Test Automation
Rare in Muon Space's other 118 open postings.
In most of Muon Space's ads
Python
Named in most of its open postings, whatever the role.
83% of this description is written for the role. The rest is Muon Space's standard text, folded away below.
Read against Muon Space's other open postings on this site.
The team: Engineering - Software HIRES STEADILY
This role is one of 38 open in Engineering - Software. 7 were posted in the last 30 days and the oldest in January: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (26 of 38), C++ (21 of 38), CI/CD (17 of 38), Embedded Systems (12 of 38), Linux (12 of 38), FPGA (11 of 38), AWS (9 of 38)
OTHER ROLES ON THIS TEAM
- Ground Software Engineering Intern (Summer 2027) posted Oct 15
- Staff Software Engineer, Government Programs posted Oct 2
- Staff Software Engineer, IR Data Products posted Oct 2
- Senior Remote Sensing Data Scientist, Cal/Val posted Oct 2
- Remote Sensing Data Scientist posted Oct 2
- Senior Software Engineer, IR Data Products posted Oct 2
- Flight Software Engineering Intern (Summer 2027) posted Sep 30
- Technical Program Manager, Software posted Sep 16
- Staff Software Engineer Clearance, Flight Software posted Sep 15
- Senior Software Engineering Manager, Test Infrastructure posted Sep 14
- Software Engineer, Computer Vision / Image Processing posted Sep 14
- Software Engineer, Computer Vision / Machine Learning posted Sep 14
- Senior Software Engineer, Cloud Image/ML Compute Architecture posted Sep 14
- Senior Software Engineering Manager, Simulation Infrastructure posted Sep 14
- Senior Software Engineer, Simulation Infrastructure posted Sep 4
- Software Engineer, Customer Solutions posted Aug 26
- Engineering Manager, Compute Components posted Aug 17
- FPGA RF Signal Processing Engineer posted Aug 17
- Senior FPGA Engineer, Networking & Security posted Aug 17
- Platform Engineer, Onboard Compute posted Aug 17
- GPU Software Specialist, Onboard Compute posted Aug 17
- Senior Software Engineer, Government Programs posted Aug 11
- Staff Software Engineer, Onboard Compute Architecture posted Aug 7
- Software Engineer, IR Data Products posted Aug 6
- Senior Technical Program Manager, Software posted Aug 6
- Senior Software Engineering Manager, Flight Software posted Aug 5
- Senior Software Engineer, Software Platform posted Aug 5
- Software Engineer, Simulation Infrastructure posted Aug 5
- Software Engineer, Entry-Level posted Aug 5
- Software Engineer, Frontend posted Jul 15
- Senior Software Engineering Manager, Software Platform posted Jul 15
- Senior FPGA RF Signal Processing Engineer posted Jul 15
- Senior Flight Dynamics Software Engineer, Mission Planning Platform posted May 30
- Staff Software Engineer, Simulation Infrastructure posted May 12
- Senior Software Engineer, Ground Software posted Mar 18
- Senior Software Engineer, Flight Software posted Jan 15
- Software Engineer, Flight Software posted Jan 13
From the team and dates on Muon Space's own job board.
See Software Engineer salaries in the United States →
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