Mechanical Engineer 3

Monarch Quantum, Inc.

San Diego (CA)

On-site

USD 125,000 - 175,000

Full time

14 days+

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Benefits offered by this job

Medical, Dental, and Vision insurance
401(k) with 4% match
20 PTO days per year
13 paid holidays
9/80 work schedule

Job summary

Monarch Quantum, Inc. seeks a Mechanical Engineer 3 to join a fast-paced startup culture. You will help build our foundation from the ground up and work on cutting-edge technologies with leadership to implement robust engineering practices that support our mission.

You will work both independently and with teams, mentoring junior engineers, executing complex tasks, and ensuring data quality and documentation meet high standards while adapting to growth and change.

Qualifications

  • Bachelor's degree in mechanical engineering, physics, or related field.
  • Minimum of 5 years of relevant experience, ideally in a startup or tech company.
  • Experience with design for manufacturability and hands-on engineering execution.

Responsibilities

  • Work independently and in a team, mentoring junior engineers and collaborating with managers.
  • Execute complex engineering tasks involving planning, data collection, analysis and peer reviews.
  • Ensure accuracy of schedules, data quality and alignment with company practices through thorough documentation.
  • Grow competency through mentorship, curiosity and initiative.

Skills

ME topics
Material properties
Fabrication methods
Photonic assembly
Structural theory
Fluids & heat transfer
CAD/analysis tools

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks
Python
ANSYS Workbench
CNC Machining

Job description

Join our fast-paced and passionate team as a Mechanical Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You will have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth.

Your key responsibilities are as follows:

  • Work independently and in a team while over communicating with the manager, project engineer and the teammates. Will mentor junior engineers.
  • Execute complex engineering tasks involving planning, preparation, data/information collection and analysis and decision-making in a process involving peer reviews and documentation of the results.
  • Use tenacity, patience, self-discipline and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication and documentation.
  • Use every opportunity to grow competency thru mentorship, curiosity, communication, exposure and initiative.
  • This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3).
Experience:
  • A bachelor's degree in mechanical engineering, Physics, or a related field.
  • Minimum of 5 years of relevant experience, ideally within a startup or technology company.
Skills:
  • Deep working knowledge of multiple ME topics and strong understanding of standard mechanical engineering degree curriculum.
  • Deep understanding of material properties, mechanisms, fabrication methods: CNC milling, CNC turning, sheet metal, injection molding, laser cutting, water jet cutting, and 3D printing (metal and plastic).
  • Deep understanding of designing for photonic assembling methods: Die bonding, vacuum reflow soldering, wire-bonding, adhesives, etc.
  • Deep understanding of structural theory: static, modal, random vibration, shock, etc.
  • Deep understanding of fluids and heat transfer theory: conduction, convection and radiation.
  • Demonstrated successful execution of engineering tasks including use of mechanical CAD (SolidWorks preferred) and quantitative analysis/programming tools (Python), instrumentation and measurement, part fabrication or procurement, integration and test, data collection, analysis (ANSYS Workbench) and documentation.
Startup Mindset:
  • You're creative, flexible, and eager to wear multiple hats.
  • You're passionate about building systems from the ground up and comfortable with ambiguity and change.

The expected annual salary range for this position is $125,000-$175,000.

As a full-time employee, you will be eligible for Monarch's comprehensive benefits package, which includes:

  • Medical, Dental, and Vision insurance
  • Fidelity 401(k) plan with 4% employer matching
  • 20 paid time off (PTO) days per year
  • 13 paid company holidays
  • 9/80 work schedule (every other Friday off)

Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.

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