Software Engineer (Mid-Level) - (AESE070726.1)

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

Key Duties: 

• 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.

Required Skills, Experience, and Education: 

• 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 toolchains.
• 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 GitLab 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. 

Desired Skills, Experience, and Education: 

• Exposure to software development in Linux environments.

Business Profile:

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. 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.