Senior Software Engineer – Test Automation & Infrastructure
Posted Updated
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 are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for 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.
We are seeking a Senior Software Engineer – Test Automation & Infrastructure to develop and scale automated test systems supporting the validation of complex RF and satellite communications payloads. This role sits at the intersection of software development and hardware test engineering, building robust automation frameworks and infrastructure that ensure reliable, repeatable system validation.
You will play a key role in improving product quality, accelerating development cycles, and enabling seamless integration across hardware and software systems.
KEY RESPONSIBILIES
- Develop automated test software to control laboratory instrumentation such as signal generators, spectrum analyzers, power supplies, and network equipment.
- Implement and maintain test sequences for both system-level and component-level validation.
- Support integration and execution of tests across hardware and software environments.
- Debug and troubleshoot test failures across software, hardware, and interface layers.
- Ensure test systems produce accurate, repeatable, and reliable results.
- Design and implement software for device under test (DUT) control, including command handling, telemetry ingestion, and state management.
- Build reusable automation frameworks and scripts to streamline test development.
- Apply best practices in software engineering, including modular design, version control, and code reviews.
- Reduce manual intervention through efficient and scalable automation solutions.
- Develop tools and utilities to enhance test engineering productivity.
- Design and maintain scalable test automation infrastructure supporting multiple configurations and environments.
- Enhance existing frameworks for improved reliability, maintainability, and scalability.
- Integrate automated testing into CI/CD pipelines where applicable.
- Standardize tooling and infrastructure across teams to ensure consistency.
- Contribute to shared libraries and reusable automation components.
- Act as a technical bridge between software and test engineering teams.
- Collaborate with systems, hardware, and software teams to ensure system testability.
- Support integration of new components into existing test environments.
- Translate system requirements into effective automation strategies.
- Participate in design and integration reviews to ensure validation readiness.
- Identify and implement improvements to test automation architecture and codebase.
- Contribute to the evolution of next-generation test frameworks and infrastructure.
- Drive simplification and standardization to reduce development cycle time.
- Advocate for scalable, maintainable, and reusable design principles.
- Continuously improve test processes, tools, and methodologies.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
- 5–8 years of experience in software engineering, test automation, or related roles.
- Experience developing software that interfaces with hardware systems or laboratory instrumentation.
- Strong experience in test automation framework and infrastructure development.
- Proficiency in Python, C/C++, or similar.
- Familiarity with Git, CI/CD tools, automated test frameworks.
- Hardware/software integration and system-level testing expertise.
- Instrumentation control and data acquisition knowledge.
- Solid understanding of software development lifecycle (SDLC) and best practices.
- Proven debugging and root cause analysis skills across integrated systems.
- Ability to design scalable systems and think architecturally.
- Strong analytical skills with attention to detail.
- Ability to manage multiple priorities in a fast-paced environment.
- Effective communication skills across technical and non-technical audiences.
- Comfortable working in a laboratory environment with electronic test equipment.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include 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 will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
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As published by lever · 13 questions · 1 written answer
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Resume/CV, Full name, Email, Phone, Current location, Current company, LinkedIn URL
Short answers (2)
- If yes, please specify the individual(s) and the department or location in which they work: optional
- Full Legal Name
Pick from a list (10)
- As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. Are you a U.S. Person or eligible to obtain the required authorizations from the U.S. Department of State?
- Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at some point in the future. Otherwise select "No".
- Do you have a family member that is currently employed with CesiumAstro?
- Please indicate the highest level of education you have completed.
- Please select which of the following security clearances and/or access you currently hold. optional
- By submitting your application you hereby certify that the facts set forth in the above employment application are true and complete to the best of your knowledge. I certify that the information on this application is accurate and complete to the best of my knowledge and agree to have any of the information verified by CesiumAstro (the “Company”). By my signature below, I authorize any references submitted by me to the Company in support of this application to provide any and all information concerning my previous employment and any other pertinent information that they may have. I understand that I may be required to authorize the Company to obtain a consumer report or investigative consumer report, in accordance with applicable law, which authorization is contained in a separate document. Further, I release the Company and any other parties, agents, or persons from any and all liability or claims arising out of the disclosure or use of references or other information provided to the Company during the process of verifying the statements made in this application. I understand that any misrepresentation, falsification, or material omission of information on this application may result in my failure to receive an offer or, if I am hired, will result in my dismissal from employment. Furthermore, if hired, in consideration of my employment I agree to conform to the policies, rules and standards of the Company, including applicable safety rules, and agree that my employment can be terminated “at will” at any time, with or without cause, and with or without notice, either at my option or at the option of the Company. I understand that no employee or representative of the Company to which I am applying, has the authority to enter into any agreement for employment for any specified period of time, or to enter into any express or implied agreement to the contrary of at-will employment, except for a written agreement signed by me and the Chief Executive Office of the Company. I agree that this shall constitute a final and fully binding integrated agreement regarding the at-will nature of my employment relationship if I am hired. In addition, I understand that, if hired, I may be required as a condition of employment to take and pass drug and alcohol tests during employment to the extent required by policies of the Company consistent with applicable law. I acknowledge that I have personally completed this application, I have read all of the above statements, and understand them and agree to the terms and conditions therein. I confirm that I understand that my application may be subject to security checks under government regulations applicable in the aerospace and defense industry sectors. optional
- I have applied for employment with CesiumAstro, Inc. (the “Company”). In consideration of the Company's accepting and evaluating my application for employment, I hereby agree that I will comply with and be legally bound by the following terms and condition of this Agreement: 1. MAINTAINING THE CONFIDENTIALITY OF COMPANY PROPRIETARY INFORMATION. I understand that CesiumAstro, Inc. is an innovative company engaged in research and development, and that the Company's innovations and other Proprietary Information (as defined below) provide the Company with a competitive advantage in the marketplace. Accordingly, I agree to hold in strictest confidence, and not to disclose or make any use of at any time, any of the Company’s Proprietary Information which I may acquire or learn during my interview(s) or the application process for employment. The term “Proprietary Information” shall mean any and all trade secrets, confidential knowledge, data or any other proprietary information pertaining to any business of the Company or any of its customers, vendors, consultants, licensees or affiliates. 2. MAINTAINING CONFIDENTIALITY OF PROPRIETARY INFORMATION OF FORMER EMPLOYERS OR OTHERWISE ACQUIRED BY ME PRIOR TO MY EMPLOYMENT WITH THE COMPANY. I represent and agree that I will not breach any agreement to keep in confidence any third-party proprietary information, knowledge or data acquired by me in confidence or in trust prior to my application for employment with the Company. I will not improperly use, disclose or bring to the Company, or induce the Company to use, any confidential or proprietary information, documents or materials belonging to any previous employer or third parties. 3. NEW EMPLOYEE PROPRIETARY INFORMATION AND INVENTION AGREEMENT. I understand that if I am offered employment by the Company, and as a condition of my new employment, I will be required to enter into an attached New Employee Proprietary Information and Invention Agreement. Prior to any future employment with the Company, I acknowledge the opportunity to consult with legal counsel or other necessary advisors regarding the Agreement. optional
- As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. Are you a U.S. Person?
- Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at some point in the future. Otherwise select "No".
- Do you have a family member that is currently employed with CesiumAstro?
Written answers (1)
- If yes, please specify the individual(s) and the department or location in which they work: optional