Software Engineer; Mid

Overview

Cimarron is seeking a mid-level Software Engineer to support the Axiom Space Ground Support Equipment (GSE) Space Suits avionics team in Houston, TX.

• Develop, integrate, and maintain firmware within the Avionics group.
• Design and develop communication interfaces such as UART, SPI, I2C, USB, RS232, RS485, Ethernet, or similar protocols.
• Design and implement solutions using ADCs, DACs, interrupts, DMA, timers, digital potentiometers, and GPIO.
• Collaborate with hardware engineers to bring up new boards, debug hardware and software interactions, and develop device drivers.
• Participate in software architecture design activities and code reviews.
• Develop hardware-in-the-loop (HIL) systems and integrate them with simulation environments.
• Contribute to system-level documentation, including ICDs, design artifacts, test reports, and operational procedures.
• Contribute to system verification and validation activities.
• Troubleshoot and resolve issues related to performance, memory, timing, and reliability.
• Communicate project progress, status, and potential risks clearly to stakeholders and leadership.
• Implement and maintain agile project management practices throughout the project lifecycle, adapting to changing requirements and priorities.
• Perform additional job duties as assigned in support of cross-functional initiatives and overall program success.

• Due to facility security requirements, only U.S. citizens or permanent residents are eligible for consideration at this time.
• Ability to complete a pre-employment background check and drug screening, which will include but is not limited to testing for marijuana use.
• 5 or more years of experience with embedded systems, firmware, and/or driver development.
• Experience developing communication interfaces such as UART, SPI, I2C, USB, RS232, RS485, Ethernet, or similar protocols.
• Experience designing with ADCs, DACs, interrupts, DMA, timers, digital potentiometers, and GPIO.
• Experience with hardware bring-up, embedded debugging tools (e.g., JTAG, oscilloscopes, logic analyzers), and embedded tool chains.
• Strong understanding of real-time constraints, deterministic execution, and safe, reliable embedded design principles.
• Strong proficiency in C/C++ and Python, with familiarity with modern embedded development practices.
• Experience applying software and firmware security best practices.
• Experience using version control systems such as Git and Git Lab within continuous integration pipelines.
• Proficiency in software testing methodologies.
• Demonstrated ability to solve complex problems proactively using sound judgment.
• Strong organizational skills with the ability to meet tight deadlines while delivering high-quality results.
• Demonstrated success delivering results in ambiguous, fast-moving environments.
• Ability to present complex technical topics to management and other stakeholders.
• Bachelor's degree (or higher) in Computer Engineering, Electrical Engineering, Aerospace Engineering, Computer Science, or a related technical discipline.

• Exposure to software development in Linux environments.

Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.