Senior Embedded Firmware Test Engineer - Pytest & Modbus Protocols

Maimsd Technology

Ahmedabad

7-12 Years

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Posted 4 days ago
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Job Description

Firmware Test Strategy & Execution:
Design, develop, and execute comprehensive test plans, test cases, and test strategies for embedded device firmware, gateways, and edge controllers.
Perform rigorous black-box and white-box testing of firmware to identify defects, validate functionality, and ensure adherence to specifications.
Collaborate closely with firmware development teams to understand requirements, provide early feedback, and ensure testability of features.
Industrial Protocol Testing:
Lead the testing and validation of industrial communication protocols, with a strong preference for Modbus (TCP/RTU).
Experience in testing other industrial protocols like BACnet and OPC-UA is highly valued.
Develop and execute test scenarios to ensure robust and compliant communication between devices and systems.
Hardware-in-the-Loop (HIL) Testing:
Extensive experience in setting up and executing Hardware-in-the-Loop (HIL) testing environments for embedded devices.
Utilize and integrate various hardware components and test tools to simulate real-world conditions and validate device behavior.
Connectivity Protocol Validation:
Thorough testing of various connectivity protocols including Ethernet, RS485, RS232, and CAN bus, ensuring reliable data transfer and device integration.
Test Automation & Scripting:
Hands-on experience with Python scripting for developing automated test cases, utilities, and test frameworks.
Strong understanding of Object-Oriented Programming (OOPs) concepts in Python for building scalable and maintainable automation solutions.
Hands-on experience in designing and developing test automation frameworks using Robot Framework, Pytest, or similar (e.g., Pybot).
Develop and maintain automated test scripts for continuous integration and regression testing.
Test Documentation & Management:
Create detailed test plans, test cases, and test reports.
Utilize and maintain test artifacts within version control systems like GIT.
Report and track defects using bug tracking tools such as JIRA or similar.
Tooling & Simulators:
Proficient in using in-house developed tools and simulators for effective firmware testing and debugging.
Identify opportunities for new tool development or enhancements to improve testing efficiency.
Collaboration & Communication:
Work effectively within a cross-functional team including hardware, firmware, and software engineers.
Possess strong communication skills to articulate technical issues, test results, and recommendations clearly and concisely.
Required Skills & Qualifications:
Experience: Strong experience (typically 5+ years) in Firmware testing for Industrial Embedded Devices, Gateways, and Edge Controllers.
Industrial Protocols (Mandatory):
Proven experience in Protocol Testing, especially with Modbus TCP/RTU.
Knowledge of BACnet and OPC-UA is a significant plus.
Connectivity Protocols:
Hands-on experience with testing Ethernet, RS485, RS232, and CAN connectivity.
Hardware-in-the-Loop (HIL):
Direct experience with HIL testing setups and methodologies.
Programming & Automation:
Proficiency in Python scripting language, including Object-Oriented Programming (OOPs) concepts.
Hands-on experience with Test Automation Framework design and development (Robot Framework, Pytest, or similar).
Test Management:
Experience in Test Case writing and Test Plan creation.
Working knowledge of GIT or other software configuration management tools.
Familiarity with JIRA or similar bug tracking tools.
Problem-Solving:
Strong analytical and problem-solving skills to troubleshoot complex firmware and hardware interactions.
Communication:
Excellent written and verbal communication skills.
Education:
Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, Computer Science, or a related field.

More Info

Job Type:

Permanent Job

Industry:

Information Technology

Role:

Software Test Engineer

Function:

Employment Type:

Full time

Open to candidates from:

Indian

About Company

Maimsd Technology

At MaimsD Technology, we empower businesses through innovative IT services, strategic hiring solutions, and talent development. Headquartered in Bangalore, India, with a growing presence in Georgia, USA, we deliver scalable recruitment and staffing support across the globe. Our expertise lies in IT hiring, backed by deep industry insight and a rich talent network that spans from entry-level roles to executive leadership. We also offer tailored services including RPO, SOW-based hiring, contract staffing, and executive search — designed to meet the evolving needs of both startups and enterprises. Driven by passion, guided by experience, and committed to excellence — we are your partner in building teams that drive success.

Job ID: 120620931

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