About this opportunity
magniX lists this Senior Battery Mechanical Engineer opportunity in everett, Washington. Review the employer’s description below for duties, qualifications and application requirements.
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:
As a Senior Battery Mechanical Engineer at magniX, you will lead and contribute to the design, specification, and integration of advanced lithium-ion battery packs for electric and hybrid-electric aerospace applications. This role blends hands-on conceptual design with the technical leadership required to guide partners and suppliers through detailed development and industrialization.
Primary Responsibilities
Develop lithium-ion battery pack mechanical and structural packaging concepts in collaboration with magniX engineers and external suppliers.
Perform CAD modeling of modules, pack enclosures, mounting systems, and aircraft installation interfaces.
Ensure designs meet aerospace structural, thermal, vibration, and safety requirements.
Thermal runaway containment strategy design and development
Define and execute test plans for battery module mechanical testing, including thermal runaway propagation and containment, structural performance, and environmental testing.
Define battery pack requirements from the system level down to individual components, considering aircraft integration, safety, and certification needs.
Provide technical oversight and guidance to partners and suppliers responsible for detailed pack design and manufacturing development.
Review design artifacts, analyses, engineering changes, and qualification plans to ensure alignment with magniX requirements.
Contribute to program planning activities related to battery pack development, verification, production readiness, and industrialization.
Participate in development of certification strategies and means of compliance for high-voltage battery systems.
Required Qualifications
Bachelor’s degree in Electrical, Mechanical, or Chemical Engineering
7+ years of experience with EV lithium battery pack design
Experience with high voltage and large size battery packs (400V+ and 50kWh+)
Preferred Qualifications
Experience with specification and procurement of battery pack components and material
Experience with qualification strategy development and testing of battery packs, including thermal runaway containment
Proficient in CAD design tools (preferably Solidworks)
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-$210k
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.
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Worksite address
everett, WA, 98213, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.