Principal Flight Software Engineer I

Roman Health Pharmacy LLC; Idaho Falls (ID); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Company stock options

Health insurance

Dental insurance

Vision insurance

Retirement plans

Job summary

A leading aerospace technology firm is seeking a Senior Software Engineer to design and implement advanced mission systems including satellites and ground operations. The successful candidate will have over 9 years of experience in software development, exceptional skills in C/C++, and expertise in developing multiple flight software systems. This position offers a dynamic work environment with opportunities for professional growth and a competitive benefits package including stock options.

Qualifications

• Minimum of 9 years of industry experience in software development with a bachelor's degree.
• Experience developing multiple flight software systems is required.
• Hands-on development and troubleshooting of software systems and hardware is crucial.

Responsibilities

• Design and implement software for mission systems including satellites and ground stations.
• Architect, design, and develop space system software.
• Provide post-production customer support in orbit.

Skills

C programming

C++ programming

Software testing

Project management

Excellent written communication

Excellent verbal communication

Education

Bachelor of Science (BS) or Master of Science (MS) in Computer Science, Electrical Engineering, or Computer Engineering

Tools

Software configuration management tools

Defect tracking tools

Job description

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we develop out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic cross‑functional environment, fostering learning and engagement across the organization. If you seek hands‑on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward‑thinking individuals to join our team.

In this position, you will be responsible for low‑level and high‑level software in CesiumAstro’s products through all phases of the development process—key projects include satellite flight software and mission data and operations systems for space missions. Our goal is to create an out‑of‑the‑box hardware and software experience that enhances our customers’ ability to rapidly integrate our products into their systems.

As a software team member, you will design from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in‑orbit support. The ideal candidate has experience at nearly every level of the software stack, including microcontrollers, low‑level drivers, board support packages, and user interfaces focused on applications and data management. Experience in software testing, high‑reliability qualification, software engineering, and project management is also required. Excellent written and verbal communication skills are essential, as you will present engineering design reviews to customers and the executive team and participate in proposal writing.

JOB DUTIES AND RESPONSIBILITIES

• Design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
• Architect, design, develop, code, test, debug, and document space system software.
• Serve as a subject‑matter expert on space software systems throughout CesiumAstro.
• Review code and system designs; analyze code for efficiency, stability, and scalability.
• Integrate and validate new product designs; provide expert guidance to direct product design.
• Support software quality assurance and optimize I/O performance.
• Provide post‑production / in‑orbit customer support.
• Interface with hardware design and development engineers.
• Mentor junior team members.
• Assess third‑party and open‑source software.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

• Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering.
• Minimum of 9 years of industry experience in software development with a bachelor’s degree, or a minimum of 7 years with a master’s.
• Experience developing multiple flight software systems.
• Hands‑on development and troubleshooting of software systems and hardware (e.g., motors, power distribution units, etc.).
• Programming experience in C or C++.
• Experience interfacing a variety of open‑source software to create an integrated system.
• Familiarity with software configuration management tools, defect tracking tools, and peer review.
• Excellent understanding of multi‑threaded applications and resource management.
• Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

• Experience with products for aerospace applications.
• Experience with satellite operations or mission data systems, including COSMOS.
• Experience with NASA’s cFS flight software framework.
• Adequate knowledge of reading electronics schematics and component data sheets.
• Experience with ARM processors and fully‑featured microcontrollers.
• Experience in design and development of a Software Development Kit (SDK).

CesiumAstro considers several factors when extending an offer, including role responsibilities, candidate experience, education/training, and key skills. Full‑time employment includes company stock options and a generous benefits package, including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.