Sr. Staff Engineer, Battery Cell Stack

Archer; San Jose (CA); On-site; USD 207,800 - 259,600; Full time

Job summary

An aerospace company in San Jose, California is seeking a Mechanical Engineer with over 10 years of experience in high voltage battery design. The role involves leading the design of battery pack components for aircraft, collaborating with engineers, and ensuring FAA certification compliance. The ideal candidate has a Bachelor’s degree in Mechanical or Aerospace Engineering, strong CAD skills, and excellent communication abilities. The salary range for this role is $207,800 - $259,600, depending on experience.

Qualifications

• 10+ years of mechanical design experience, preferably in high voltage battery design for automotive or aerospace.
• Solid background in CAD, tolerance stack analysis, and 2D drafting with GD&T.
• Hands-on prototype and build experience.

Responsibilities

• Lead the end-to-end design of high voltage battery pack components across commercial and defense aircraft programs.
• Collaborate with stakeholders, including CAE engineers and manufacturing.
• Work closely with integration and certification teams to meet FAA requirements.

Skills

Mechanical design experience

High voltage battery design

CAD (NX preferred)

Communication skills

Education

Bachelor’s degree in Mechanical or Aerospace Engineering

Tools

CAD software

Job description

Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable air mobility. We are designing, manufacturing, and operating an all-electric aircraft that can carry four passengers while producing minimal noise.

Our sights are set high and our problems are hard, and we believe that diversity in the workplace is what makes us smarter, drives better insights, and will ultimately lift us all to success. We are dedicated to cultivating an equitable and inclusive environment that embraces our differences, and supports and celebrates all of our team members.

What you’ll do

• Lead the end-to-end design of high voltage battery pack components across commercial and defense aircraft programs.
• Collaborate with key stakeholders including CAE engineers, quality, testing, supply chain, and manufacturing.
• Provide hands‑on prototyping, building, and root cause support throughout the design cycle.
• Work closely with integration and certification teams to ensure the product meets all FAA certification requirements.
• Push conventional battery design boundaries to meet stringent aerospace application requirements.
• Establish design standards and best practices for battery design at Archer.
• Mentor early career battery design engineers.
• Develop the battery hardware technology roadmap for future applications.

What you need

• Bachelor’s degree in Mechanical, Aerospace Engineering, or a related field.
• 10+ years of mechanical design experience, preferably in high voltage battery design for automotive or aerospace.
• Solid background in CAD (NX preferred), tolerance stack analysis, and 2D drafting with GD&T.
• Experience developing parts with various manufacturing processes in both prototype and mass production settings.
• Ability to use simplified tools, calculations, and CAE to quickly drive development.
• Hands‑on prototype and build experience.
• Exceptional communication skills.

At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay‑for‑performance culture and reward performance that supports the Company’s strategy. For this position, we are targeting a base pay range of $207,800 - $259,600. Actual compensation offered will be determined by job‑related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at [e-mail]. Reasonable accommodations will be determined on a case‑by‑case basis.

Information collected and processed as part of any job applications you choose to submit is subject to Archer's Candidate Privacy Policy.

Archer is unable to provide work visa sponsorship for this position at the present time.

Archer is proud to be an Equal Opportunity employer committed to diversity and inclusivity in the workplace. All aspects of employment are decided on the basis of merit, qualifications, and business needs. We do not discriminate based upon race, color, religion, sex, sexual orientation, age, national origin, disability status, protected veteran status, gender identity or any other characteristic protected by federal, state or local laws.