Senior Mechanical Engineer (Robotics) - Dot

About the TeamWe are seeking a highly experienced Mechanical Engineer to own the battery system integration for our robotic platform. This individual will be responsible for the end-to-end mechanical integration of the battery system, including structural design, electrical packaging and routing support, thermal management, and safety features such as thermal propagation mitigation.About the RoleThis is a critical role with a direct impact on robot performance, reliability, safety, manufacturability, and total lifecycle cost. The ideal candidate combines deep technical expertise in battery pack integration, packaging, and mounting with broad mechanical engineering experience and a proven ability to execute complex, cross-functional hardware programs from concept through production.You're excited about this opportunity because...Battery System Mechanical IntegrationOwn the mechanical integration of the battery system throughout the product lifecycle, from concept through production.Design robust battery mounting structures, enclosures, retention features, and interfaces for a mobile robotic platform.Develop packaging solutions that balance structural performance, serviceability, manufacturability, weight, and cost.Collaborate closely with electrical, firmware, and systems engineers to ensure seamless battery integration into the overall robot architecture.Mechanical Design & Product DevelopmentDesign and release mechanical components and assemblies using CAD and engineering best practices.Perform tolerance analysis, stack-up studies, and interface definition for battery-related hardware.Support prototype builds, design reviews, testing, root cause investigations, and engineering change implementation.Drive designs through validation and into production while maintaining high quality and reliability.Thermal & Environmental PerformanceDevelop mechanical solutions that support battery thermal performance, including cooling airflow, heat transfer, insulation, and environmental protection.Collaborate with battery and electrical engineers to validate thermal performance under expected operating conditions.Design for environmental durability including water ingress, dust, vibration, shock, corrosion, and impact resistance.Safety & ReliabilityDesign mechanical features that improve battery safety, including crash protection, containment, venting, isolation, and thermal propagation mitigation.Participate in DFMEA, design reviews, and failure investigations to improve overall system robustness.Define and execute validation testing for structural integrity, vibration, drop, environmental exposure, and abuse scenarios.Cross-Functional CollaborationPartner closely with Electrical Engineering, Systems Engineering, Firmware, Manufacturing, Supply Chain, and Reliability teams throughout product development.Support supplier selection, component qualification, and manufacturing readiness.Drive engineering tradeoff decisions balancing performance, reliability, cost, manufacturability, and serviceability.Analyze field failures, identify root causes, and implement robust corrective actions to improve product reliability.We're excited about you because...BS or MS in Mechanical Engineering or a related engineering discipline.7+ years of experience developing complex mechanical systems from concept through production.Demonstrated experience integrating lithium-ion battery systems into production products.Strong mechanical design experience, including:Battery packaging and mechanical integrationStructural design and mounting systemsThermal management and cooling strategiesEnvironmental sealing and durabilityServiceability, manufacturability, and assembly designExperience designing for dynamic loading environments including vibration, shock, and impact.Experience performing tolerance analysis, root cause investigations, and design validation.Proficiency with SolidWorks, Siemens NX, or equivalent 3D CAD software.Experience collaborating across electrical, firmware, manufacturing, and systems engineering disciplines.Experience supporting products through prototype, validation, and production.Preferred QualificationsExperience developing robotic, automotive, electric vehicle, aerospace, or other mobile electromechanical systems.Experience integrating high-voltage or lithium-ion battery systems into production hardware.Experience with DFMEA, reliability engineering, and structured failure analysis.Familiarity with thermal and structural simulation tools (ANSYS, Simcenter, Abaqus, or equivalent).Experience with design for manufacturing (DFM), design for assembly (DFA), and supplier development.Familiarity with battery safety concepts including thermal propagation mitigation, venting, and abuse testing.Experience supporting regulatory compliance and product certification (UL, IEC, UN38.3, or similar).Notice to Applicants for Jobs Located in NYC or Remote Jobs Associated With Office in NYC OnlyWe use Covey as part of our hiring and/or promotional process for jobs in NYC and certain features may qualify it as an AEDT in NYC. As part of the hiring and/or promotion process, we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound from August 21, 2023, through December 21, 2023, and resumed using Covey Scout for Inbound again on June 29, 2024.The Covey tool has been reviewed by an independent auditor. Results of the audit may be viewed here: CoveyCompensationThe successful candidate’s starting pay will fall within the pay range listed below and is determined based on job-related factors including, but not limited to, skills, experience, qualifications, work location, and market conditions. Base salary is localized according to an employee’s work location. Ranges are market-dependent and may be modified in the future.In addition to base salary, the compensation for this role includes opportunities for equity grants. Talk to your recruiter for more information.DoorDash cares about you and your overall well-being. That’s why we offer a comprehensive benefits package to all regular employees, which includes a 401(k) plan with employer matching, 16 weeks of paid parental leave, wellness benefits, commuter benefits match, paid time off and paid sick leave in compliance with applicable laws (e.g. Colorado Healthy Families and Workplaces Act). DoorDash also offers medical, dental, and vision benefits, 11 paid holidays, disability and basic life insurance, family-forming assistance, and a mental health program, among others.To learn more about our benefits, visit our careers page here.See below for paid time off details:For salaried roles: flexible paid time off/vacation, plus 80 hours of paid sick time per year.For hourly roles: vacation accrued at about 1 hour for every 25.97 hours worked (e.g. about 6.7 hours/month if working 40 hours/week; about 3.4 hours/month if working 20 hours/week), and paid sick time accrued at 1 hour for every 30 hours worked (e.g. about 5.8 hours/month if working 40 hours/week; about 2.9 hours/month if working 20 hours/week).The national base pay range for this position within the United States, including Illinois and Colorado.$170,000—$250,000 USDAbout DoorDashAt DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods.DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers. We're committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits and perks including premium healthcare, wellness expense reimbursement, paid parental leave and more.Our Commitment to Diversity and InclusionWe’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.Statement of Non-Discrimination: In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity or expression, disability status, or veteran status. Above and beyond discrimination and harassment based on “protected categories,” we also strive to prevent other subtler forms of inappropriate behavior (i.e., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at DoorDash. We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Thank you to the Level Playing Field Institute for this statement of non-discrimination.Pursuant to the San Francisco Fair Chance Ordinance, Los Angeles Fair Chance Initiative for Hiring Ordinance, and any other state or local hiring regulations, we will consider for employment any qualified applicant, including those with arrest and conviction records, in a manner consistent with the applicable regulation.If you need any accommodations, please inform your recruiting contact upon initial connection.Notice to Applicants for Jobs Located in NYC or Remote Jobs Associated With Office in NYC OnlyWe used Covey as part of our hiring and/or promotional process for jobs in NYC and certain features may qualify it as an AEDT in NYC. As part of the hiring and/or promotion process, we provided Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound from August 21, 2023, through December 21, 2023. We resumed using Covey Scout for Inbound again on June 29, 2024, and ceased using Covey Scout for Inbound on April 30, 2026.The Covey tool has been reviewed by an independent auditor. Results of the audit may be viewed here:.