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Senior Mechanical Systems Engineer

Job in Hawthorne, Los Angeles County, California, 90250, USA
Listing for: Moleaer Inc.
Full Time position
Listed on 2026-09-21
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 165000 USD Yearly USD 125000.00 165000.00 YEAR
Job Description & How to Apply Below

Job Title: Senior Mechanical Systems Engineer

Department:
Engineering & Operations

Reports To
: VP of Engineering & Operations

Job Type: Full-Time

Salary Range
: $125,000 - $165,000 (depending on experience)

About Moleaer

Moleaer Company is a venture-backed technology company that is privately owned and is based in Hawthorne, California. It is the category creator and global leader in nanobubble technology, which is revolutionizing how industries use water. The only fundamental scientific innovation in water in the past 30 years, nanobubbles drive sustainability, enabling industries to produce more while using significantly less water, energy, and chemicals.

Recognized as one of America's Top Green Tech Companies for 2024 by TIME magazine, Moleaer is an incredibly dynamic and fast-growing company with a tremendous opportunity for career growth.

Water is our most precious resource. Not only do we need it to live, but we also use it in virtually every industrial process from food production to mining to mixing concrete. Moleaer's mission is to unlock the power of water to do more with less. Our patented nanobubble technology improvessustainable food production and processing, water and wastewater treatment, natural resource recovery, and we can even restore aquatic ecosystems sustainably – and we do all of this with nanobubbles, not chemicals.

Nanobubbles are 2,500 times smaller than a grain of salt and have properties that allow them to supersaturate water with oxygen, form natural oxidants for disinfection, and increase water's ability to permeate soil, rock, and even clothes in a washing machine. Our technology has been validated by extensive research, and we currently have over 2,500 installations in more than 50 countries .

About

the Role

Moleaer is seeking a Senior Mechanical Systems Engineer to lead the development of next-generation nanobubble products and support the design and execution of complex customer systems.

This role combines mechanical engineering, systems engineering, and product development responsibilities. The successful candidate will define system architectures, develop product requirements, create and evaluate design concepts, and lead mechanical design activities from concept through production release.

Essential Functions
  • Develop system-level solutions integrating mechanical, hydraulic, pneumatic, electrical, and controls subsystems resulting in General Arrangement Drawings (GAD) and Piping and Instrumentation Drawings (P&)
  • Lead development of new products from concept through production release.
  • Define system architectures and product configurations.
  • Translate customer, business, and operational needs into product requirements.
  • Participate in requirements development, trade studies, and design reviews.
  • Support product roadmaps and technology development initiatives.
  • Support supplier sections and technical evaluations when required.
Mechanical Design
  • Design mechanical assemblies, supporting structures, piping systems and ancillary subsystems.
  • Create 3D models and engineering documentation using Solid Works.
  • Perform engineering calculations and analyses to validate designs.
  • Support prototype development, testing, and product qualification activities.
  • Identify opportunities to improve product performance, manufacturability, reliability, and cost.
Project Execution
  • Lead engineering activities for assigned product development and customer projects.
  • Develop engineering schedules and coordinate cross-functional activities.
  • Support project planning, risk management, and technical decision-making.
  • Present technical status and recommendations to management and stakeholders.
Verification & Validation
  • Develop test plans and acceptance criteria for quality control plans for QC acceptance testing
  • Support…
Position Requirements
10+ Years work experience
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