Senior Mechanical Engineer

magniX; Everett (WA); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

Company-paid premiums for medical, eye

Dental and vision insurance

4 weeks vacation + 1-week shutdown

401K with 9.5% company contribution

Life insurance, AD&D, disability

Catered lunches and quarterly events

Job summary

magniX is seeking a Senior Mechanical Engineer to lead the design, development, and integration of electric motor and battery modules for advanced electrified powertrains in our Everett, Washington facility.

The ideal candidate has a strong mechanical design background, expertise in thermal management and structural analysis, and experience with rotating equipment and electric systems. You will mentor junior engineers and collaborate across Quality, Manufacturing, and Test teams.

Qualifications

• Bachelor’s degree in mechanical or aerospace engineering required.
• Minimum 7+ years of relevant work experience.
• Strong background in mechanical design, thermal management, and structural analysis.

Responsibilities

• Lead mechanical design and analysis of electric propulsion components including electric motors, battery modules and their sub-assemblies and components.
• Develop, optimize and validate motor assemblies and energy storage sub-assemblies for performance, safety, and reliability.
• Own development packages and ensure on-time, on-budget delivery.
• Collaborate with Quality, Supply Chain, Manufacturing, and Test teams.
• Conduct structural and thermal simulations using FEA and CFD tools.
• Support prototype development, testing, and validation of mechanical systems.
• Generate detailed engineering drawings, specifications, and documentation.
• Participate in design reviews and continuous improvement initiatives.
• Ensure compliance with safety regulations and company quality requirements.
• Mentor junior engineers and contribute to continuous improvement.

Skills

Mechanical design

Thermal management

Rotating equipment

3D CAD

GD&T

FEA/CFD

Leadership/mentoring

Education

Bachelor’s degree in mechanical or aerospace engineering

Tools

SolidWorks

ANSYS

COMSOL

Abaqus

Job description

About magniX:

Based in the beautiful Pacific Northwest, magniX builds solutions for the electric age, applying its aerospace-grade batteries, power electronics, power distribution, electric engines, and software to mission-critical applications across data centers, energy storage, defense, mobility, space, and aerospace. Built on an 800-volt architecture, magniX technology delivers industry-leading energy density, cycle life, and safety, and magniX electric engines have powered more than 200 flights across six different airframes, where the company remains the industry leader. As magniX extends its aerospace-grade standards into new markets, we are building a commercial organization to match, and are now ready to take our technology and products to market. Be part of a passionate team that is ushering in the electric age.

About the role:

We are seeking a highly motivated and skilled Senior Mechanical Engineer to lead the design, development, and integration of electric motor and battery module systems for advanced electrified powertrains. The ideal candidate will have a strong background in mechanical design, thermal management, and structural analysis, with a focus on rotating equipment and electric systems.

Primary Responsibilities

• Lead mechanical design and analysis of electric propulsion components including electric motors, battery modules and their associated sub-assemblies and components
• Develop, optimize and validate electric motor assemblies and energy storage system sub-assemblies for performance, safety, and reliability
• Ownership of development packages, and delivery of these on time and on budget
• Collaborate with other departments through hardware design, validation, delivery and operation (Quality, Supply Chain, Manufacturing, Test)
• Conduct structural and thermal simulations using FEA and CFD tools to validate designs
• Support prototype development, testing, and validation of mechanical systems
• Generate detailed engineering drawings, specifications, and documentation
• Participate in design reviews and contribute to continuous improvement initiatives
• Ensure compliance with industry standards, safety regulations, and company quality requirements
• Mentor junior engineers and contribute to continuous improvement activities

Required Qualifications

• Bachelor’s degree in mechanical or aerospace engineering
• 7+ years of relevant work experience
• Proficiency in 3D CAD (SolidWorks preferred) and PDM systems
• Experience with design for manufacturability (DFM) and design for assembly (DFA)
• Strong understanding of GD&T: ASME Y14.5-2009 & ASME Y14.100-2013
• Experience with FEA and CFD tools (e.g., ANSYS, COMSOL, Abaqus)

Preferred Qualifications

• Experience in aerospace, automotive, or renewable energy sectors
• Knowledge of systems engineering and model-based design
• Experience with design of rotating equipment

Location:

Applicants must be willing and able to commute to magniX's location in Everett, Washington.

Compensation & Benefits

• 100% company-paid premiums for medical, dental, and vision insurance (for employees & dependents).
• 4 weeks paid vacation + 1-week annual end-of-year shutdown, sick time, and 11 paid holidays.
• 401K retirement plan with industry leading 9.5% company contribution.
• Company paid Life insurance, AD&D, Short-Term and Long-Term disability insurance
• Catered lunches and quarterly company fun-day events!

Salary Range: $160,000 - $200,000

E-Verify:

magniX utilizes E-Verify for employment eligibility verification

Pre-employment Screenings:

Employment with magniX is contingent upon satisfactory completion of pre-employment requirements including a background screen.

Export Control Compliance:

This position may require access to export-controlled data. To meet export control compliance requirements, candidates must be a “U.S. Person” (U.S. citizens, lawful permanent residents, refugees, or asylees), or an appropriate export authorization by the U.S. Government may be required prior to such access. Employment, and the continuity of employment of non-U.S. persons, is contingent upon the company’s ability to secure and maintain the necessary export control authorization.

EHS/Environmental Requirements:

This job operates in a manufacturing and testing environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of time. This would require the ability to move around the facility and occasionally move/lift items weighing up to 25 lbs. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job. Applicants are invited to apply for a reasonable accommodation to perform the essential duties of the job.

Required PPE (Personal Protective Equipment):

• Ear Plugs - Earmuffs
• Safety shoes
• Safety Glasses - Safety Goggles

Diversity and Inclusion

magniX is an equal opportunity employer. We value and embrace diversity. We do not discriminate on the basis of race, color, national origin, religion, gender, gender identity or expression, sexual orientation, marital status, age, or disability status.