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Full Time Stealth Mode Startup Jobs (NOW HIRING)

RAAS

UX / UI Designer

Manhattan, NY · On-site

Company Description RAAS ( www.raas.co) is a venture-backed, stealth mode startup based in NYC that ... We are looking for a Full Time UX/UI Designer with a strong interest in design and development of ...

RAAS

UX / UI Designer

Manhattan, NY

Company Description RAAS ( www.raas.co) is a venture-backed, stealth mode startup based in NYC that ... We are looking for a Full Time UX/UI Designer with a strong interest in design and development of ...

Delos Data Inc

Technical Recruiter

Palo Alto, CA · Remote

Technical Recruiter Who We Are We are a stealth-mode startup building foundational technology to address performance, scalability, and resiliency challenges in large-scale AI data center clusters. We ...

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Full Time Stealth Mode Startup information

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$43K

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$73K

How much do full time stealth mode startup jobs pay per year?

As of Aug 7, 2026, the average yearly pay for full time stealth mode startup in the United States is $61,720.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,000.00 and $69,000.00 per year, depending on experience, location, and employer.

What is the difference between Full Time Stealth Mode Startup vs Full Time Software Engineer?

AspectFull Time Stealth Mode StartupFull Time Software Engineer
Work EnvironmentFast-paced, secretive, innovativeCollaborative, structured, project-focused
Required CredentialsRelevant technical skills, often a degree in CS or related fieldDegree in CS or related field, coding proficiency
Industry UsageStartups in early development stagesTech companies, software firms
Search & Comparison IntentUnderstanding startup roles, work environmentJob responsibilities, skills required

Full Time Stealth Mode Startups focus on secrecy and rapid innovation, often requiring technical expertise similar to Software Engineers. While Software Engineers work in structured environments with clear project goals, stealth startups operate in secrecy, emphasizing agility and innovation. Both roles demand strong technical skills, but the startup environment involves additional considerations like confidentiality and fast-paced development.

More about Full Time Stealth Mode Startup jobs
What cities are hiring for Full Time Stealth Mode Startup jobs? Cities with the most Full Time 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 Full Time Stealth Mode Startup jobs? States with the most job openings for Full Time Stealth Mode Startup jobs include:
What job categories do people searching Full Time Stealth Mode Startup jobs look for? The top searched job categories for Full Time Stealth Mode Startup jobs are:
Full Time Stealth Mode Startup jobs near you
Infographic showing various Full Time Stealth Mode Startup job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution, with an average salary of $61,720 per year, or $29.7 per hour.

Junior Product Design Engineer

Stealth Battery Startup

San Jose, CA • On-site

Full-time

Posted 7 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 Mechanical Design Engineer to support the design and development of structural battery hardware (e.g., enclosures, trays, lids/covers) and/or provide engineering support equipment (fixtures, test-bucks, test setups, and prototype/demo manufacturing equipment).
You'll work closely with senior engineers and cross-functional partners (analysis, test, manufacturing) to translate concepts into hardware that meets performance, reliability, and manufacturability needs.
Responsibilities
Mechanical Design & Product Development
  • Support design of structural components for HV battery packs such as enclosures, trays, covers, and related brackets/interfaces under thermal, mechanical, and environmental constraints
  • Create and iterate 3D CAD models and assemblies; contribute to design trades (weight, stiffness, cost, manufacturability) with guidance from senior engineers.
  • Apply DFM/DFA fundamentals in part and assembly design (fasteners, sealing concepts, stack-ups, serviceability).
  • Produce 2D drawings with clear notes, basic GD&T, and manufacturing intent; support tolerance studies as needed.
  • Provide directional guidance through simulations to steer the design and architecture when dedicated CAE resources are limited.
  • Develop comprehensive 2D drawing packages applying appropriate GD&T and conduct tolerance analyses to ensure assembly integrity and performance.

Fixtures, Bucks, and Prototype/Test Equipment
  • Design and develop fixtures, bucks, test setups, and prototype/demo pack manufacturing equipment to support proof-of-concept builds and validation.
  • Help maintain and improve existing fixture designs (updates, repairability, usability, documentation).
  • Work with standard fixturing components and vendor catalogs; select appropriate hardware and mechanisms.

Hands-On Build Support & Collaboration
  • Partner with manufacturing/shop resources during fabrication, prototype builds, and assembly debug-bringing a "design it, build it, improve it" mindset.
  • Coordinate with suppliers for quotes, DFM feedback, and part delivery; assist with incoming inspection and fit/function checks.
  • Support test activities (vibration/structural/environmental) and document findings; assist in root-cause investigations and corrective actions.

Validation & Testing
  • Support component and system-level validation, including vibration, structural, and environmental testing.
  • Support in validation, durability, and abuse testing activities to ensure performance and reliability.
  • Drive root-cause analysis and corrective actions for mechanical performance issues.

Qualifications
  • B.S. in Mechanical Engineering (or related), or a technical diploma in Mechanical Technology/CAD with equivalent hands-on experience.
  • 3+ years of mechanical design experience (product, structures, automation equipment, fixtures, or custom machinery).
  • Proficiency in 3D CAD (SolidWorks, Inventor, NX, CATIA, or similar).
  • Experience producing 2D drawing packages; familiarity with GD&T concepts and tolerance stack-up basics.
  • Working knowledge of fabrication/manufacturing methods (machining, sheet metal, welding, fastening, bonding) and how they influence design decisions.
  • Comfortable in fast-paced, iterative development environments; strong communication and documentation habits.

Preferred Qualifications
  • Experience with HV battery systems and structural designs (or adjacent structural systems like automotive body/chassis).
  • Familiarity with manufacturing processes such as machining, injection molding, 3D printing, and extrusions.
  • Exposure to FEA/structural analysis tools (ANSYS, Abaqus, LS-DYNA, etc.) at a basic level (interpretation/collaboration vs. ownership).
  • Knowledge of design release workflows for mechanical parts and assemblies.
  • Comfort working with electro-mechanical designs.

Why Join?
  • 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.

Apply