Mid Level Staff Test Engineer Jobs
Mid level staff test engineer jobs go to engineers ready to own test strategy end to end, drive quality decisions with limited oversight, and mentor junior teammates across the full development cycle. Openings are spread across on-site, hybrid, and remote settings in Electronics & Hardware, Technology & Software, and Manufacturing, with employers like onsemi, Nokia, and Ouster hiring at this level now.
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Showing 5 of 9+ Mid Level Staff Test Engineer jobs
- End-to-end Program Cell Test Management: lead entire cell test campaigns from SOP preparation and test/channel planning through execution to delivery of comprehensive and reliable validation reports and cell model calibration/validation data package.
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Metrology and Measurement System Analysis: standardizes hardware test fixtures and metrology equipment through Gauge R&R evaluations and robust calibration protocols to achieve measurement system precision and repeatability across all setups.
- Cell Data Pipeline: contribute to deploying and maintaining robust and future-proof cell data systems handling various internal and external data sources.
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Test Execution and Data Processing Automation: suggest and implement SW solutions to automate test preparation, execution, data processing and validation report generation.
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Advance Characterization and Test Method Development: collaborate with characterization engineer to standardize and document comprehensive cell-level characterization protocols across thermal safety, electrochemical performance, and durability testing to ensure consistent, repeatable execution and reliable data collection across the team.
- Cell Testing and Characterization Capability Expansion: contribute to the selection, sourcing, installation, commissioning and validation of new test system HW and SW solutions.
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Must have:
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MS degree in an engineering discipline with experience in testing of lithium-ion battery cells/packs.
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4+ years of industry experience in battery cell testing, writing/validating test scripts, analyzing and presenting test results.
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Experience applying Measurement System Analysis, Gauge R&R and sensitivity analysis to Li-ion cell test results.
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Good understanding of cell performances metrics and how to evaluate them with testing and other analysis.
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Good understanding of electrochemical processes in various lithium-ion chemistries.
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Experience in python and SQL database and prompt/context engineering.
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Excellent attention to detail and critical thinking.
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Problem solving skills and theories knowledge, outside of the box thinking and proactivity.
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Passionate about research/work in lithium-ion batteries, especially for EV application.
- Excellent communication and presentation skills.
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Autonomous time management.
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MS degree in an engineering discipline with experience in testing of lithium-ion battery cells/packs.
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Nice to have:
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Familiar with cell teardown, CT scan and other lithium-ion battery analysis methodologies and tools.
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Familiar with database architecture.
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Familiar with cell safety, abuse, reliability and environmental testing.
- Familiar Harness engineering knowledge
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Familiar with cell teardown, CT scan and other lithium-ion battery analysis methodologies and tools.
- End-to-end Program Cell Test Management: lead entire cell test campaigns from SOP preparation and test/channel planning through execution to delivery of comprehensive and reliable validation reports and cell model calibration/validation data package.
-
Metrology and Measurement System Analysis: standardizes hardware test fixtures and metrology equipment through Gauge R&R evaluations and robust calibration protocols to achieve measurement system precision and repeatability across all setups.
- Cell Data Pipeline: contribute to deploying and maintaining robust and future-proof cell data systems handling various internal and external data sources.
-
Test Execution and Data Processing Automation: suggest and implement SW solutions to automate test preparation, execution, data processing and validation report generation.
-
Advance Characterization and Test Method Development: collaborate with characterization engineer to standardize and document comprehensive cell-level characterization protocols across thermal safety, electrochemical performance, and durability testing to ensure consistent, repeatable execution and reliable data collection across the team.
- Cell Testing and Characterization Capability Expansion: contribute to the selection, sourcing, installation, commissioning and validation of new test system HW and SW solutions.
-
Must have:
-
MS degree in an engineering discipline with experience in testing of lithium-ion battery cells/packs.
-
4+ years of industry experience in battery cell testing, writing/validating test scripts, analyzing and presenting test results.
-
Experience applying Measurement System Analysis, Gauge R&R and sensitivity analysis to Li-ion cell test results.
-
Good understanding of cell performances metrics and how to evaluate them with testing and other analysis.
-
Good understanding of electrochemical processes in various lithium-ion chemistries.
-
Experience in python and SQL database and prompt/context engineering.
-
Excellent attention to detail and critical thinking.
-
Problem solving skills and theories knowledge, outside of the box thinking and proactivity.
-
Passionate about research/work in lithium-ion batteries, especially for EV application.
- Excellent communication and presentation skills.
-
Autonomous time management.
-
MS degree in an engineering discipline with experience in testing of lithium-ion battery cells/packs.
-
Nice to have:
-
Familiar with cell teardown, CT scan and other lithium-ion battery analysis methodologies and tools.
-
Familiar with database architecture.
-
Familiar with cell safety, abuse, reliability and environmental testing.
- Familiar Harness engineering knowledge
-
Familiar with cell teardown, CT scan and other lithium-ion battery analysis methodologies and tools.
See All 9 Mid Level Staff Test Engineer Jobs
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Who's Hiring
Top Industries Hiring
- Electronics & Hardware
- Technology & Software
- Manufacturing
- Aerospace & Defense
- Automotive
Mid Level Staff Test Engineer Jobs: Frequently Asked Questions
How do I get a mid level staff test engineer job?
Position your existing experience around ownership, not just execution. Highlight test frameworks you built or improved, features you covered end to end, and defects you caught before production. Employers at this level want to see that you can work independently, make quality calls without constant direction, and communicate risk clearly to developers and product managers. Tailor your resume to show scope, not just tasks.
Which companies hire mid level staff test engineers?
Companies hiring mid level staff test engineers right now include onsemi, Nokia, and Ouster, based on current listings on Migrate Mate as of November 2026. Hiring at this level comes from a wide range of employers, including large technology firms, financial services companies, and growth-stage software businesses that need engineers who can own quality processes without heavy supervision.
Are there remote mid level staff test engineer jobs?
Yes, remote and hybrid options are common at this level. About 14% of mid level staff test engineer openings are remote or hybrid as of November 2026, reflecting strong employer confidence in experienced engineers who can coordinate testing cycles and communicate quality signals without being on-site every day.
How do I move up to a mid level staff test engineer role?
Moving from entry level to mid level takes deliberate depth-building over your first few years. Focus on owning larger pieces of the testing cycle, contributing to framework decisions, and demonstrating that your work improves product stability in measurable ways. Taking on junior mentoring, writing test plans independently, and earning trust from developers and product managers all signal readiness for the increased ownership mid level roles require.
Which industries hire the most mid level staff test engineers?
Mid Level staff test engineer roles concentrate in Electronics & Hardware, Technology & Software, and Manufacturing, based on current listings on Migrate Mate as of November 2026. These sectors drive consistent hiring at this level because they maintain large software portfolios, ship frequently, and need engineers who can build durable quality processes rather than just execute individual test cases.