Senior Mechanical Engineer

Role: Senior Mechanical Engineer

Type: Full-Time; 100% In-Office

Location: Brooklyn, NY

Salary Range: $90,000 - $115,000

About Doris Dev

Doris Dev is a consumer product development company. We help companies make new products and bring them to market. Our offices are based in Brooklyn (DDNY) and Hong Kong (DDHK). Doris Dev works with startups and established companies across many consumer categories including: hardware and electronics, cookware, soft-goods, and packaging. Doris Dev also incubates internal brands (such as Canopy and Rally) and grows and supports these brands to launch and beyond.

What Doris Dev is Looking for:

We are seeking a Senior Mechanical Engineer who:

• Is a motivated, hands-on engineer who can lead the mechanical engineering of a product from concept through mass production,
• Has brought multiple products to market and can show them: launched, manufactured, and in customers' hands,
• Is comfortable being the technical lead on a program, working with our Industrial Designers; Program Managers; Mechanical, Electrical, QA, and Regulatory Engineers; Suppliers; and HK Manufacturing Team,
• Works collaboratively with engineers and team members around them
• Is willing to research, learn, adapt and take initiative, and is not afraid of taking on challenges.

The Candidate

You have engineered new products end to end, handling mechanical design, research, testing, prototyping, validation, DFM, and supplier engagement. You have experience working with mass manufactured products and are familiar with a variety of materials including plastics, metals, rubbers, and glass in a wide variety of manufacturing approaches. You have experience working with mass manufactured products and in manufacturing environments. You make sound engineering calls and can clearly document and communicate decisions so team members can build on them. You are capable of explaining technical concepts and decisions clearly to non-technical stakeholders. You’re willing to learn, adapt and take initiative but not afraid of taking up challenges.

The Senior Mechanical Engineer will be a member of the DDNY Engineering team in Brooklyn. Day-to-day, you will work closely with Doris Design (our in-house industrial design team), Program Managers, Sourcing, and fellow Engineers (ME, EE, QA, MFG, and Reg) as well as external technical, program, and leadership stakeholders.

The Job:

As Senior Mechanical Engineer, you will:

• Lead the mechanical engineering and development work of a wide variety of consumer products from product definition through mass production, translating project requirements and industrial design intent into robust, manufacturable, cost-aware engineering designs.
• Ensure designs align with performance, material, and cost targets determined for each project.
• Maintain an efficient product development cycle with detailed prototyping, testing, and validation throughout the process.
• Provide technical ownership and guidance through DFM, tooling, off-tool sampling, and pilot production
• Clearly document engineering progress, tradeoffs, and recommendations.
• Travel occasionally to supplier and manufacturing sites in Asia.

The Responsibilities:

• Lead design engineering of products from inception to manufacturing. Leading, reviewing, and maintaining quality of output within assigned programs.
• Partner with PMs, ID, and various internal stakeholders to define technical requirements, performance targets, and cost targets.
• Contribute to and maintain internal documentations; flag technical risk, feasibility gaps, and cost drivers early.
• Explore and evaluate mechanism, architecture, and material options; making recommendations with clear reasoning and documentation.
• Lead CAD development and produce drawings, and define critical-to-function specifications
• Own material and process selection across plastics, metals, rubbers, and glass, aligned to performance, cosmetic, and cost targets.
• Support and Create Documentation: Assist with maintaining and updating CAD models and related product documentation (3D, 2D, etc.). Maintaining clear and current engineering records: CAD revisions, BOMs, change logs, and design decisions.
• Build in-house prototypes or scope external prototyping partners
• Define prototype test plans and acceptance criteria; run and document functional, durability, performance, and reliability testing- informing future QA work.
• Lead root cause analysis; and design and run Designs of Experiment (DOEs) to resolve issues.
• Work closely with MFG ENG in reviewing supplier feedback and proposed changes; approve, counter-propose, or redirect with clear engineering rationale.
• Support Supply Chain Efforts: Collaborate with the sourcing and supply chain teams to help gather information and support procurement of materials and components. Providing technical feedback and assets to support sourcing & supply chain teams, working closely with manufacturing engineers and suppliers.
• Support off-tool reviews and provide technical feedback to Sourcing and Program Managers on supplier quotations and cost-down opportunities.
• Help define testing standards and QA/QC requirements for mass production.
• Collaborate with Teams: Work closely with the engineering and design teams to ensure that products meet functional, material, and aesthetic goals. Communicate with marketing, operations, and manufacturing teams to align on project updates and requirements.
• Product Testing: Help conduct off-tool and in-market sample testing, participate in troubleshooting and debugging design issues, and recommend improvements.
• Communicate and present engineering progress, tradeoffs, and recommendations to technical and non-technical stakeholders- including PMs, engineers, sourcing, and leadership.
• Handle multiple programs concurrently at different stages of development, working independently.

The Qualifications:

• Engineering degree, preferably Mechanical Engineering or a related field.
• 6+ years of experience in product development and mechanical engineering- preferably consumer products.
• Must have a portfolio of previously launched, mass-manufactured products, with a clear account of personal role within prior projects.
• Proven experience in consumer electronics, household appliances, housewares, or related categories. Familiarity with electromechanical integration: PCBAs, motors, sensors, and wire routing.
• Highly proficient in 3D CAD (Onshape or SolidWorks preferred; Creo considered) and 2D drawings, including GD&T and tolerance analysis.
• Deep working knowledge of high-volume manufacturing processes, especially injection molding, plus sheet metal, die-casting, machining, and overmolding.
• Experience with a wide range of materials (plastics, metals, rubbers, glass) and the knowledge to drive material selection.
• Prior experience taking products through DFM, tooling, and off-tool sampling with overseas suppliers.
• Strong problem-solving skills, including leading root cause analysis and DOE creation.
• Excellent time management skills, with experience tracking numerous development programs simultaneously.
• Strong communication and presentation skills, especially conveying technical concepts to non-technical stakeholders.
• Ability to travel to Asia, including Hong Kong, mainland China, Vietnam, South Korea, and Taiwan.
• Located near/in NYC or willing to relocate before the required start date. Doris Dev does not offer relocation reimbursement.

Bonus Points:

• Experience in a product development consultancy, agency, or early-stage startup environment.
• Experience across diverse categories: kitchen and cookware, small appliances, pressure or fluid-handling products, infant products, toys, IoT and connected devices.
• Experience mentoring or managing junior team members
• Experience working with Asia-based teams and suppliers.

Working Hours:

This is a full-time, fully in-office position based at our Brooklyn studio, Monday through Friday. Because our work involves coordination with the DDHK office and suppliers in Asia, meetings are sometimes scheduled outside of standard 9-6 working hours. We trust all team members to manage their schedules and to take appropriate measures to take care of themselves and their wellbeing. Doris Dev does not offer remote, or work-from-home arrangements for this role.

Benefits and Compensation

This is a full-time position that will be compensated with a base salary and potential annual bonus based on company profitability and individual performance. Doris Dev offers the following benefits:

• Paid time off (with the expectation that you take two weeks of vacation each year)
• Paid sick days
• An employer sponsored 401(k) plan
• Medical, dental, and vision insurance

How to apply

Please submit your résumé & portfolio of launched products and we will reach out if there is a potential fit.

At Doris Dev we are constantly refining our hiring process to be as inclusive, transparent, and respectful of applicants' time as possible. As part of this process, you may be asked to complete a paid assessment based on the role.

Doris is committed to equal opportunity in hiring and contracting. We do not discriminate on the basis of race, color, religion or creed, national origin or ancestry, sex (including pregnancy and related conditions), age, sexual orientation, gender identity or expression, marital or familial status, disability, military or veteran status, citizenship or immigration status, predisposing genetic characteristics, status as a victim of domestic violence, or any other status protected by federal, New York State, or New York City law. In accordance with NYC and New York State law, we do not request salary history during the application process. Reasonable accommodations are available for applicants and employees with disabilities; to request accommodation, please contact Human Resources ([email protected]). We firmly believe that a diversity of experience, perspectives, and background leads to a better environment for our employees and to better results for our clients. We strongly encourage qualified candidates to apply.