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Castelion · 1 day ago

Senior Software Automation Engineer

Allen, TX

Full-time

Onsite

Mid, Senior Level

3+ years exp

Castelion is a company focused on innovative defense development and production, particularly in long range strike weapons systems. They are seeking a Senior Software Automation Engineer to architect and develop software for radar manufacturing and test infrastructure, improving efficiency and product quality through automation workflows.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Nicholas Sparks

Responsibilities

Architect and maintain PostgreSQL database schemas to support test, manufacturing, and validation workflows, ensuring efficient data storage and retrieval

Develop automation scripts in Python to control test chambers, RF instruments (e.g., signal generators, spectrum/network analyzers), and radar devices under test (DUTs)

Interface with lab and production equipment using SCPI commands over TCP/IP protocols

Automate test sequences for radar performance validation, environmental stress screening (ESS), thermal cycling, and long-duration burn-in tests

Capture, process, and store test data in PostgreSQL with appropriate tagging, indexing, and schema design for traceability and reporting

Integrate automation systems with MES or internal tracking tools to ensure device-level traceability and seamless data flow across teams

Implement robust error handling, retries, and logging mechanisms to support 24/7 testing environments and minimize downtime

Collaborate cross-functionally with test engineers, RF engineers, and manufacturing teams to ensure system reliability, repeatability, and scalability across hardware revisions

Qualification

PythonPostgreSQLTest AutomationSCPI CommandsLinuxCloud PlatformsProblem-SolvingCommunication

Required

Bachelors degree in Computer Science, Electrical Engineering, Software Engineering, or related technical field (or equivalent practical experience)

3+ years of professional experience developing software in Python

Hands-on experience with SQL databases (PostgreSQL strongly preferred)

Experience automating test equipment and systems, including use of SCPI commands and TCP/IP protocols

Familiarity with Linux environments, including shell scripting and system troubleshooting

Demonstrated ability to design, implement, and maintain reliable software systems supporting hardware-in-the-loop or test automation environments

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State