Senior/Principal Software Engineer

Redcanyonsoftware

Merritt Island, FL Remote contract

Posted: March 31, 2026

Required Skills

Job Description

🚀 Senior / Principal Flight Software Engineer – Space Systems

*REMOTE*

Working with a leading U.S. aerospace company looking to add Senior and Principal-level Flight Software Engineers to their satellite team.

This is a hands-on role focused on building and testing embedded flight software for spacecraft, with exposure across the full mission lifecycle. from early concept through on-orbit operations.

What you’ll be doing:

• Develop and test embedded C/C++ flight software for satellite platforms

• Contribute across the full lifecycle:

• Requirements definition & trade studies

• Software architecture & development

• Integration with flight hardware

• Verification, validation, and operations

• Support GNC-related software integration and system performance analysis

• Build internal tools to evaluate flight software performance and mission compatibility

• Work closely with hardware, systems, and test teams in a highly collaborative environment

Testing & Integration:

• Execute testing across:

• Unit, module, and system levels

• Hardware-in-the-Loop (HIL) / FlatSat environments

• Develop test frameworks, tools, and ground support software

• Support debugging, validation, and anomaly resolution

Additional exposure:

• Contribute to modeling & simulation efforts

• Support new mission concepts and proposals

• Evaluate impacts of new hardware, architectures, and mission profiles

What they’re looking for:

• 9–15+ years of experience in software engineering (level dependent)

• Strong background in embedded software development (C/C++)

• Experience with flight software, avionics, or aerospace systems

• Hands-on experience with hardware/software integration and testing

• Exposure to one or more of the following:

• GNC algorithms

• RTOS (VxWorks, Integrity, etc.)

• Device drivers / BSP / bring-up

• HIL / simulation environments

• Software verification & validation

• Ability to operate as a high-level IC across multiple domains

Education:

• Bachelor’s degree in a STEM field required

• Master’s degree preferred - 7 years of experience

Travel:

• Up to ~20% travel (domestic)

• Occasional international collaboration

Quick take:

This is a high-impact IC role for engineers who want to stay deeply technical while working on cutting-edge spacecraft and flight software systems.

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