Engineer - Stack Testing

Ohmium Operations Private Limited; Bengaluru; On-site; INR 400,000 - 700,000; Full time

Job summary

Ohmium Operations Private Limited is seeking a Testing Engineer to support performance characterization, durability testing, and data analysis of PEM electrolyser stacks. The role covers tester commissioning, sensor verification, calibration, and analysis of large multi-channel datasets, with a focus on safety and continuous improvement in a renewable energy setting.

You will lead root cause analysis, prepare test reports, and collaborate with cross-functional teams to ensure reliability and

Qualifications

• B Tech in Electrochemical or Chemical or Mechanical Engineering or related field.
• 1–3 years of testing experience desirable.
• Experience in renewable energy sector (batteries, fuel cells, electrolyzers) preferred.

Responsibilities

• Prepare test plans, protocols and procedures for performance, durability, and dynamic cycling tests.
• Support commissioning of test systems including sensor verification and safety interlocks.
• Calibrate and verify test instruments to ensure measurement accuracy.
• Execute testing and data analysis of PEM electrolyser stacks.
• Guide test technicians for monitoring stack and system operation.

Skills

Electrochemical testing

Data analysis

Cross-functional collaboration

Test equipment operation

Education

B Tech in Electrochemical or Chemical or Mechanical Engineering

Tools

Gas chromatography (GC)

Testers/ instrumentation

Job description

Job Description:

• Prepare test plans, test protocols and procedures for performance characterization, durability, accelerated stress and dynamic cycling tests.
• Support commissioning of the test system, including verification of sensors, interlocks and safety logic through to final tester acceptance.
• Manage routine calibration and verification of test instruments to ensure measurement accuracy.
• Execute testing and data analysis of PEM electrolyser stacks.
• Adapt quickly to different test types, tester designs and functionalities.
• Guide test technicians with clear instructions for continuous monitoring of stack and system operation and performance.
• Process and analyse large multi-channel datasets from operating stacks, including individual cell voltages, stack voltage/current, temperatures, pressures, flow rates, etc.
• Define, calculate and track key performance indicators such as cell voltage spread, energy consumption, efficiency, degradation rate and gas crossover.
• Perform cell-to-cell and stack-to-stack statistical analysis and correlate test results with stack build data to identify root causes of variation.
• Perform gas chromatography (GC) analysis and data evaluation to support performance characterisation and identify anomalies and key trends.
• Apply electrochemical characterisation methods for performance evaluation and diagnostics of electrochemical systems.
• Collaborate with cross-functional engineering teams to analyse and correlate stack and system performance.
• Lead root cause analysis (RCA) of system failure modes and oversee troubleshooting and maintenance of the testers.
• Record and manage test deviations, non-conformances and corrective actions and provide feedback to stack design and materials teams.
• Prepare test reports, technical summaries and presentations for internal reviews and project updates.
• Drive continuous improvement initiatives to enhance testing efficiency, quality and reliability.
• Ensure compliance with all health, safety and environmental regulations.

Ohmium Cultural Values :

At Ohmium, you are expected to embody and champion our core cultural values:

Accountability:

I own my tasks andexecuteon time.

Demonstrate strong accountability by owning deliverables and decisions, ensuring timely and consistent results.

Teamwork:

I will not let other teams fail.

Takes ownership beyond own team to support cross-team success and prevent failures, thereby fostering a collaborative work environment.

Learning Mindset:

I drive change and learn from mistakes.

Exhibits a strong growth mindset by proactively leading meaningful change and consistently learning from experience.

Winning Attitude:

I compete to win.

Showing upevery daywith a strong perspective, to drive results and be the BEST in Green Energy.

EDUCATION AND EXPERIENCE REQUIRED :

B Tech in Electrochemical or Chemical or Mechanical Engineering or related field.

1-3 Years of experience in Testing is desirable.

Previous experience in the renewable energy sector including Batteries, Fuel cells, Electrolyser is preferred. Looking for a highly skilled Testing Engineer with a strong background in electrochemical engineering. Responsible for testing, validation, trouble shooting and data analysis for PEM stacks. The ideal candidate will have strong technical expertise in testing and understanding on electrochemical systems such as batteries, fuel cells, electrolyzers etc. This role also covers tester commissioning, test execution, validation, and analysis of large multi-channel stack and system datasets.

Ohmium is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.