Mechanical Design Engineer - Battery Systems

Delart; Redmond (WA); On-site; USD 170,000 - 225,000; Full time

Benefits offered by this job

Medical insurance (PPO/HMO)

Dental & Vision

FSA

Life insurance

Disability insurance

401(k) match

Paid time off

Job summary

Delart seeks a Mechanical Design Engineer to lead the development of lightweight, swappable battery systems for robotics and consumer electronics. You will architect robust assemblies, supervise testing, and drive cross-functional collaboration to deliver safe, high-performance power solutions.

In this role, you will mentor teams, partner with CM/production partners, and apply advanced CAD/FEA tools to optimize packaging and reliability for demanding real-world use cases.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 8+ years in mechanical design of complex electromechanical systems.
• Experience with lightweight battery modules and mechanical packaging.
• Strong thermal management knowledge for battery/electronics.
• DOE experience and validation testing.
• Proficient in SOLIDWORKS or Siemens NX; capable with prototyping.
• GD&T and tolerance analysis expertise.
• FEA experience (static and modal).
• Proven project management in fast-paced environments.

Responsibilities

• Architect, engineer, and optimize lightweight battery systems focusing on safety, weight, and reliability.
• Lead design, validation, performance, endurance, and life cycle testing of subsystems.
• Diagnose and resolve mechanical issues via root-cause analysis and design iteration.
• Guide CMs for high-volume production transitions; ensure manufacturability and quality.
• Collaborate with reliability, electrical, and firmware engineers for integrated design.
• Develop test fixtures, protocols, execute tests, and analyze data for improvements.
• Design docking/interface components; support ancillary robotic subsystems.
• Oversee prototyping across diverse manufacturing processes.
• Perform tolerance analysis, GD&T, and FEA to validate robustness.

Skills

Mechanical design

Electromechanical systems

Battery modules

Thermal management

DOE testing

CAD tools

FEM / FEA

Tolerance analysis

GD&T

Project management

Education

Bachelor's degree in Mechanical Engineering

Equivalent practical experience

Tools

SOLIDWORKS

Siemens NX

Prototype fabrication

Job description

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

Overview

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

About the job

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

Overview

Join a forward-thinking engineering team pioneering the next generation of lightweight battery systems for consumer electronics and advanced robotics. As a Mechanical Design Engineer, you will architect and validate robust, scalable batteries that are integral to enabling reliable, high-performance battery use cases. Your technical leadership will drive innovation in safety, mechanical integration, and cross-disciplinary collaboration for demanding real-world applications.

Responsibilities

• Architect, engineer, and optimize lightweight, swappable battery systems with emphasis on safety, weight reduction, and reliability for robotic applications.
• Lead design, validation, performance, endurance, and life cycle testing of battery subsystems, overseeing testing methodologies and data analysis.
• Diagnose and resolve mechanical issues through failure analysis, root-cause investigations, design iteration, and empirical validation.
• Guide contract manufacturers (CMs) and scaling partners in preparation for high-volume production transitions, ensuring manufacturability and quality.
• Work closely with reliability, electrical, and firmware engineers to implement best practices for high-reliability mechanical and electrical integration.
• Develop custom test fixtures, write test protocols, execute tests, and analyze measurement data to inform continuous design improvements.
• Design battery docking and interface components; support the development of ancillary robotic subsystems as needed.
• Oversee prototyping using diverse manufacturing processes and material choices suitable for battery and electronics enclosures.
• Execute tolerance analysis, GD&T application, and perform static structural and modal FEA simulations to validate mechanical robustness.

Minimum Qualifications

• 8+ years of mechanical design engineering experience, focused on complex electromechanical systems.
• Bachelor’s degree (or equivalent practical experience) in Mechanical Engineering or a related technical field.
• Demonstrated expertise developing lightweight, custom battery modules and mechanical packaging for electrical systems.
• Strong background in battery and electronics thermal management strategies.
• Hands-on with design-of-experiments (DOE) and execution of performance and validation test protocols.
• Proficient in advanced CAD tools such as SOLIDWORKS, Siemens NX, or similar platforms, and capable with manufacturing prototyping.
• Expertise in tolerance analysis and application of GD&T per industry standards.
• Skilled in finite element analysis (FEA) including both static structural and modal evaluations.
• Proven track record managing engineering projects under fast-paced, ambiguous, or evolving priorities.

Preferred Qualifications

• Experience developing robotics and/or consumer electronics products in high-performance, cross-functional teams.
• Demonstrated ability to lead projects from concept through full-scale deployment in demanding environments.
• Proven skill in using AI tools to enhance mechanical engineering workflows, improve efficiency, or elevate design quality.
• Evidence of ongoing engagement with AI-driven methodologies (e.g., prompt engineering, agent orchestration) or a commitment to staying current with emerging technologies.

CA Base Pay: $170,000 USD - $225,000 USD

Benefits

Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes premium PPO and HMO medical insurance, dental and vision coverage, flexible spending accounts (FSA), life insurance, short- and long-term disability insurance, a company-matched 401(k) plan, and a generous paid time off policy.

Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.