Senior Software Engineer - Test Infrastructure

Location: Onsite in Golden, Colorado, US; collaboration with teams in San Francisco, California, and Toulouse, France.

Salary: USD 140,000–210,000 per year

Company

hirify.global provides end-to-end spacecraft missions as a service, integrating, launching, and operating satellites for governments, companies, and research institutions.

What you will do

• Design, build, deploy, and maintain high-fidelity Hardware-in-the-Loop testbeds emulating spacecraft systems, sensors, and communication links.
• Develop Electrical Ground Support Equipment for spacecraft assembly, integration, testing, validation, and verification.
• Build tools and frameworks for simulating faults, edge cases, and mission scenarios that are difficult to reproduce with physical hardware.
• Collaborate with systems, software, hardware, and operations teams to evolve test platforms and requirements.
• Extend test infrastructure for continuous-integration pipelines and realistic system-level validation of code changes.
• Troubleshoot issues across software, embedded hardware, networking, and system configuration.

Requirements

• Master’s degree in Computer Science or a similar field.
• 2+ years of experience working with Linux systems, including configuration, debugging, and system-level troubleshooting.
• Strong understanding of networking fundamentals, OSI layers, packet analysis, and TCP/IP and UDP data exchange protocols.
• Hands-on experience with embedded systems or low-level hardware such as Raspberry Pi, Arduino, or microcontrollers.
• Proficiency in Python 3.9+ for test automation frameworks, device drivers, or test orchestration tools.
• Experience containerizing applications with Docker.
• Familiarity with at least one modern CI tool, such as Jenkins, GitLab CI, Buildkite, or CircleCI, and experience integrating test pipelines.
• Ability to work independently with some guidance, take ownership, adapt across multiple responsibilities, and learn evolving technologies.

Nice to have

• Experience designing or automating complex HIL/SIL testbeds, signal conditioning, fault injection, or hardware emulation.
• Experience with Infrastructure-as-Code systems, specifically NixOS.
• Familiarity with networking simulation tools such as network emulators or virtual switches.
• Interest or experience with hardware test automation frameworks, including custom Python-based test rigs.

Culture & Benefits

• Collaborative culture centered on ownership and close work with internal and external teams.
• Company-paid medical, dental, and vision insurance, with FSA and HSA options.
• Employer-paid life, disability, and parental leave benefits.
• Flexible time off, sick leave, 12 paid holidays, and a 401(k) plan with equity options.
• Daily catered lunches, snacks, social events, off-sites, and international exposure to the France-based team.
• Relocation assistance when applicable.

Hiring process

• Attach a copy of the resume in English for review across the international offices.