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Stealth Mode Startup Jobs (NOW HIRING)

OT Engineer

Fremont, CA · On-site

$134K - $176K/yr

Stealth Battery Startup Seeks Senior OT Software Engineer We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to ...

New

OT Engineer

San Jose, CA · On-site

$143K - $189K/yr

Stealth Battery Startup Seeks Senior OT Software Engineer We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to ...

New

Company Description RAAS ( www.raas.co) is a venture-backed, stealth mode startup based in NYC that is disrupting the current retail landscape. RAAS provides a solution and support for local ...

Company Description RAAS ( www.raas.co) is a venture-backed, stealth mode startup based in NYC that is disrupting the current retail landscape. RAAS provides a solution and support for local ...

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Stealth Mode Startup information

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$100.7K

$193.5K

How much do stealth mode startup jobs pay per year?

As of Aug 23, 2026, the average yearly pay for stealth mode startup in the United States is $100,673.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,500.00 and $125,000.00 per year, depending on experience, location, and employer.

What is a stealth mode startup?

A Stealth Mode Startup job refers to a position at a company that is operating in secrecy to protect its product, strategy, or competitive advantage. Employees may work under non-disclosure agreements (NDAs) and have limited public-facing information about the company. These roles often involve dynamic, fast-paced environments where workers contribute to early-stage development, innovation, and market research. Since details are confidential, transparency may be limited until the company officially launches or announces its product.

What are the typical work environment and team dynamics like at a stealth mode startup?

At a Stealth Mode Startup, you can expect a fast-paced, highly collaborative, and often remote or hybrid work environment where confidentiality is paramount. Teams are typically small and cross-functional, requiring close cooperation between engineers, designers, and business professionals to rapidly iterate on ideas while maintaining secrecy about the product or service. Communication is streamlined and direct, with frequent check-ins and agile workflows to adapt to evolving priorities. You may find that roles are fluid, offering opportunities to contribute in multiple areas and rapidly grow your skill set. This dynamic environment is well suited for professionals who are comfortable with ambiguity, proactive problem-solving, and working toward ambitious, shared goals.

What are the key skills and qualifications needed to thrive in the stealth mode startup position, and why are they important?

To thrive in a Stealth Mode Startup, individuals need a strong entrepreneurial mindset, adaptability, and a solid foundation in their specific field (such as software engineering, business development, or product management). Familiarity with modern collaboration tools, version control systems, rapid prototyping platforms, and experience in lean methodologies are commonly required. Outstanding soft skills include discretion, resilience, effective communication, and the ability to work independently in high-uncertainty environments. These competencies are critical as they enable you to navigate ambiguity, protect sensitive information, and contribute meaningfully during the startup’s formative and confidential early stages.

What cities are hiring for Stealth Mode Startup jobs?

Cities with the most Stealth Mode Startup job openings:

What are the most commonly searched types of Stealth Mode Startup jobs?

The most popular types of Stealth Mode Startup jobs are:

What states have the most Stealth Mode Startup jobs?

States with the most job openings for Stealth Mode Startup jobs include:

What job categories do people searching Stealth Mode Startup jobs look for?

The top searched job categories for Stealth Mode Startup jobs are:

Infographic showing various Stealth Mode Startup job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $100,673 per year, or $48.4 per hour.

Engineering Technician - Battery Test

Stealth Battery Startup

San Jose, CA • On-site

$25.75 - $35.25/hr

Full-time

Posted 19 days ago


Job description

About the Company
We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to accelerate the global transition to clean energy. By leveraging innovative materials and advanced manufacturing techniques, we are building the future of sustainable energy.
Can't find the company name?
It's not you, it's us! We're really excited about the potential of our technology, product, and mission, and have chosen to remain in stealth mode. If the job description piques your interest, please apply. If your skillset is aligned with what we're looking for, the team will reach out to schedule your interview and tell you a bit more about us (e.g. who we are).
Role
We are seeking a Engineering Technician - Battery Test to support the execution of lithium-ion battery testing across the cell, module, and high-voltage (HV) pack levels. This role is highly hands-on and focused on building, operating, maintaining, and troubleshooting battery test systems while working closely with test engineers and cross-functional engineering teams.
This is a role for you if you enjoy working in a laboratory environment, have strong mechanical and electrical aptitude, and take pride in building reliable test setups and producing high-quality test data. Previous experience with lithium-ion battery testing is preferred, while high-voltage battery experience is a plus but not required.
Responsibilities
Battery Test Execution
  • Build, install, and operate battery test setups under the guidance of test engineers.
  • Prepare and test lithium-ion cells, modules, and high-voltage battery packs.
  • Safely install and connect battery hardware, instrumentation, and support equipment.
  • Execute battery tests including: Performance characterization, Cycle life and aging, Rate capability, Power and resistance testing, Environmental and thermal testing, Validation and durability testing
  • Monitor active tests and respond appropriately to alarms, faults, or abnormal test behavior.
  • Maintain detailed test logs and document observations throughout testing.

Test Equipment & Lab Support
  • Configure and operate battery cyclers (Maccor, AVL, Neware, or similar systems).
  • Assemble test fixtures, wiring harnesses, instrumentation, and support hardware.
  • Install thermocouples, voltage taps, current sensors, pressure sensors, and other instrumentation.
  • Operate environmental chambers and supporting laboratory equipment.
  • Perform routine calibration, maintenance, and troubleshooting of laboratory equipment.
  • Help maintain an organized, safe, and efficient battery laboratory.

High Voltage & Lab Safety
  • Follow laboratory safety procedures for battery testing, including HV safety practices where applicable.
  • Verify proper test setup before energizing battery systems.
  • Perform pre-test inspections and equipment checks.
  • Support continuous improvement of laboratory safety procedures and best practices.

Data Collection & Documentation
  • Verify accurate data acquisition from battery cyclers, DAQ systems, and instrumentation.
  • Organize and archive test data.
  • Assist engineers with basic data review and reporting.
  • Record hardware configurations, serial numbers, and test conditions.
  • Help develop and improve laboratory work instructions and test procedures.

Troubleshooting
  • Diagnose electrical, mechanical, and instrumentation issues with test setups.
  • Replace damaged cables, connectors, sensors, and fixtures as needed.
  • Assist engineers with failure investigations and root cause analysis.
  • Help improve test reliability, repeatability, and laboratory efficiency.

Cross-Functional Support
  • Work closely with battery test, systems, electrical, mechanical, manufacturing, and BMS engineering teams.
  • Support prototype builds and engineering development activities.
  • Assist with assembly, disassembly, inspection, and teardown of cells, modules, and battery packs before and after testing.

Qualifications
  • Associate's degree, technical certification, military technical experience, or equivalent hands-on experience in electrical, mechanical, automotive, or related fields.
  • Strong mechanical and electrical aptitude.
  • Experience using common laboratory tools and equipment (multimeters, oscilloscopes, power supplies, hand tools, crimpers, etc.).
  • Ability to read electrical schematics and mechanical drawings.
  • Strong attention to detail and commitment to safety.
  • Comfortable working in a hands-on laboratory environment.
  • Ability to lift up to 50 lb and work around laboratory equipment and battery systems.

Preferred Qualifications
  • Experience testing lithium-ion cells, modules, or battery packs.
  • Experience operating battery cyclers (Maccor, AVL, Neware, or similar).
  • High-voltage battery experience or HV safety training.
  • Familiarity with CAN communication and basic BMS operation.
  • Experience with thermal chambers, DAQ systems, or environmental testing.
  • Basic experience with MATLAB, Python, Excel, or similar tools for reviewing test data.
  • Experience in automotive, EV, aerospace, energy storage, or battery manufacturing environments.

Physical Requirements
  • Ability to sit, stand, and perform repetitive assembly tasks for extended periods.
  • Ability to lift up to 50 pounds with or without reasonable accommodation.
  • Ability to perform fine motor tasks requiring dexterity and precision.
  • Ability to wear required PPE and work in dry room or controlled-environment conditions.

Why Join Us?
  • Innovative Technology: Work on cutting-edge energy storage solutions that power the future.
  • Career Growth: Opportunities to work on high-impact projects and advance in a growing industry.
  • Competitive Benefits: Comprehensive health, wellness, and professional development programs.
  • Mission-Driven Culture: Be part of a team that is shaping the future of sustainable energy through innovation and excellence.

We are an equal opportunity employer and we do not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.