Senior Specialist - Embedded Testing

Hubbell Incorporated; Chennai; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Hubbell Incorporated seeks an experienced QA lead for embedded testing across Protection & Controls products. You will plan, design, develop, and execute comprehensive test strategies to ensure delivery of high-quality embedded products and correct validation of protection schemes and industrial protocols.

You will lead automation efforts, develop HIL/FIL/SIL environments, and collaborate with development, product, and engineering teams to ensure testability and robust quality across hardware,

Qualifications

• 10 to 15 years in Protective Relaying & Substation Communication Solutions.
• Hands-on testing of embedded systems and industrial protocols (IEC 61850, IEC 60870, Modbus, DNP3).
• Experience building and operating HIL/FIL/SIL test environments.
• Proficient in debugging with oscilloscopes and logic analyzers.
• Experience with Agile SDLC/STLC and CI/CD practices.
• Knowledge of secure communication protocols and data encryption.

Responsibilities

• Lead testing strategies across Protection & Controls product lines.
• Design and develop advanced test automation frameworks and scripts.
• Validate protection schemes by simulating fault conditions.
• Develop wiring diagrams and comprehensive test plans.
• Produce clear test reports and dashboards for stakeholders.
• Mentor junior QA engineers and drive quality improvements.

Skills

Embedded testing

Test automation

Protocols testing

Python

Java

JavaScript

Bash

Golang

Git

CI/CD

Cloud environments

Education

ISTQB Foundation

Tools

Omicron IED Scout

Triangle Microworks harness

Omicron CMC356/500/CPC100

Wireshark

Job description

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Responsible for Handling an Embedded Testing Team across Protection & Controls product lines and responsible for planning, designing, developing, and executing comprehensive test strategies to ensure the delivery of high‑quality products. This role involves close collaboration with development, product, and engineering teams to test/validate embedded products and Will lead testing strategies, identify issues early, automate test processes, and drive continuous quality improvements, develop automation frameworks.

• Conduct comprehensive functionality testing across protection and control products to ensure reliable operation under normal and fault conditions.
• Validate correct operation of protection schemes by simulating fault conditions and verifying product response.
• Expert in validating and testing industrial communication protocols like IEC 61850, IEC 60870, Modbus, DNP3
• Design and develop advanced test automation frameworks and scripts to enhance testing efficiency, accuracy, and coverage for embedded systems and communication protocols.
• Design, develop, and operate advanced Hardware-in-the-Loop (HIL), Firmware-in-the-Loop (FIL) and Software-in-the-Loop (SIL) test environments to simulate real-world grid conditions and validate embedded firmware performance.
• Extensive hands‑on experience in testing and validating embedded communication interfaces and tools, including Serial Port Monitor, Tera Term, and Wireshark, along with modules such as Wi‑Fi, BLE, USB, and Ethernet, ensuring reliable connectivity, data integrity, and protocol compliance.
• Conduct R&D for power system domain applications.
• Perform deep‑dive debugging of embedded firmware and hardware interactions during system failures, utilizing oscilloscopes and logic analysers for detailed signal and timing analysis.
• Develop and interpret wiring diagrams to ensure accurate system understanding and effective fault isolation.
• Develop detailed test plans, test cases, and test scripts based on product requirements and design documents.
• Define and implement overall testing strategies including functional, regression, performance, security, and automation testing.
• Knowledge in understanding Product Requirements, Marketing Requirements and deriving System Integration test cases.
• Contribute to risk assessment and mitigation strategies.
• Should be highly creative in coming up with out‑of‑box scenarios for testing and bugs
• Identify, analyse, and document defects using tracking tools
• Track defects through resolution and verify fixes
• Provide clear test reports, metrics, and dashboards to stakeholders.
• Collaborate closely with developers, product owners, and architects to ensure testability and quality in every stage of development.
• Participate in design and code reviews with a quality‑first perspective.
• Advocate for quality engineering practices and continuous improvement.
• Provide technical guidance and mentorship to junior QA engineers.
• Lead test initiatives for large features or project modules.
• Perform end‑to‑end system analysis and design of complex systems (hardware, software, communications).
• Excellent verbal and written communication.
• Help establish and refine QA standards, processes, and documentation.

What will help you thrive in this role?

• Minimum 10 to 15 years related Experiences in Protective Relaying & Substation Communication Solutions and Lateral Protection (Medium/High Voltage Products).
• Should have programming knowledge on Python, java, java script, Bash,Golang.
• Hands‑on experience with IEC 61850 testing tools (e.g., Omicron IED Scout, Triangle Microworks test harness).
• Experience developing products in an Agile environment and understanding of SDLC, STLC
• Knowledge of secure communication protocols, authentication mechanisms, and data encryption techniques
• Experience with version control systems (Git), CI/CD pipelines, and cloud environments (Azure/AWS/GCP)
• Added advantageof having Certified ISTQB Foundation level
• Experience on working with the test kit like Omicron CMC356,500, CPC100 and various make secondary/primary injection test kit
• Should have experience in Designing, Developing, and Testing real time embedded products.
• Should have knowledge of Mechanical, Electrical and Embedded Parameters
• Must Demonstrate consistent and sustainable application of problem solving and analytical skills.
• Competent working with Microsoft Office & related software operating on a Windows platform.

Hubbell Incorporated

Hubbell creates critical infrastructure solutions that power our customers, communities, people and the planet. Our company is strategically aligned around enabling grid modernization and electrification. As more products plug in to an aging grid, Hubbell solutions enable the transition to a more reliable, resilient and efficient energy infrastructure. Founded in 1888 our innovation has made us a leading global manufacturer of high quality electrical and utility solutions enabling customers to operate critical infrastructure reliably and efficiently.

The company operates in two segments. Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. Our vertical market solutions can be applied to markets including Data Centers, Renewables, Commercial Buildings, Industrial, Telecom and Transportation. Supporting both of our business segments is our corporate and Hubbell Unified Business Solutions teams that provide consistent process, tools technologies across our businesses.

We are committed to operating sustainably and ethically while promoting an inclusive and supportive culture for our people to grow and develop in their careers. Our employees proudly work and serve our communities from our headquarters in Shelton, CT, across the United States and around the globe.

Hubbell Utility Solutions

Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications. HUS provides the critical components that allow the grid to reliably transmit and distribute energy, as well as the communications and controls technologies to make the grid smarter and more flexible.

Hubbell Incorporated, its subsidiaries and affiliates, is an EO Employer AA: M/F/Veteran/Disability. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity or any other protected class.

The above summary of position responsibilities and requirements is not intended, and should not be construed, to be an exhaustive list of duties, skills, efforts, physical requirements, or working conditions associated with the position. It is intended to be an accurate reflection of those principal position elements essential for making decisions related to position performance, employee development, and compensation.