Senior Instrumentation Engineer Jobs in Austin, TX

Job Summary:
CesiumAstro is a developer and pioneer of communication systems for satellites and airborne platforms. They are seeking a Senior Software Engineer – Test Automation & Infrastructure to develop and scale automated test systems for validating complex RF and satellite communications payloads, ensuring reliable integration across hardware and software systems.
Responsibilities:
• 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.
Qualifications:
Required:
• 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.
Company:
CesiumAstro provides out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms. Founded in 2017, the company is headquartered in Austin, USA, with a team of 501-1000 employees. The company is currently Late Stage.