CesiumAstro

Senior Software Engineer - Test Automation & Infrastructure

CesiumAstro$133K — $160K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent experience.
  • 5-8 years in software engineering, test automation, or similar roles.
  • Experience in software development for hardware systems or lab instrumentation.
  • Strong background in developing test automation frameworks and infrastructure.
  • Proficiency in Python, C/C++, or similar programming languages.
  • Familiarity with Git, CI/CD tools, and automated test frameworks.
  • Expertise in hardware/software integration and system-level testing.

Responsibilities

  • Develop automated test software for laboratory instrumentation like signal generators and spectrum analyzers.
  • Implement and maintain test sequences for system-level and component-level validation.
  • Support integration and execution of tests across diverse hardware and software environments.
  • Debug and troubleshoot test failures across software, hardware, and interface layers.
  • Ensure test systems yield accurate, repeatable, and reliable results.
  • Design software for device under test (DUT) control, focusing on command handling and state management.
  • Build reusable automation frameworks and scripts to optimize test development.

Benefits

  • Company stock options.
  • Generous health, dental, and vision insurance.
  • Health Savings Account (HSA) and Flexible Spending Account (FSA) options.
  • Life and disability insurance.
  • Retirement plans.
Full Job Description
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 withGit, 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.


$133,000 - $160,000 a year

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.

About CesiumAstro

CesiumAstro is a technology company that provides advanced communications systems for satellite and space-based applications. The company's systems use advanced software-defined radio technology to provide high-bandwidth, low-latency communications for a variety of applications, including remote sensing, earth observation, and satellite communications. CesiumAstro's systems are designed to be highly modular and scalable, allowing them to be easily integrated into a wide range of satellite and space-based platforms. The company was founded in 2017 and is based in Austin, Texas.
Learn more about CesiumAstro
Size
100 employees
Industry
Net Income
-$1 million
Founded
2017
5 Year Trend
+80%
Revenue
$5 million

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