Senior Product Design Engineer

About Us 

SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people’s lives in homes around the world. , the company has a proven track record of bringing disruptive innovation to market, and developing one consumer product after another has allowed SharkNinja to enter multiple product categories, driving significant growth and market share gains. Headquartered in Needham, Massachusetts with more than 3,600+ associates, the company’s products are sold at key retailers, online and offline, and through distributors around the world.  

Senior Product Design Engineer

Location: Battersea, London, Hybrid 3 days a week in the office

We are looking for a Senior Product Design Engineer, to join our UK NPD team building a new generation of innovative products for our Ninja brand. We thrive on designing great products that delight our customers. Working as part of our London Design Office, you will bring technical substance and inspiration to our creative efforts to deliver credible solutions to the market.

What You’ll Do

• Takes a lead role (independently and in teams) to solve technical issues found in the development of a product.


• Mentors more junior team members, with potential for line-management if desired. Supports all team members and encourages their efforts.


• Collaborates to help establish a project’s user, design, and functional requirements, deliver robust solutions to satisfy those requirements, then help to validate through testing and building consensus on next steps.


• Takes overall ownership of designs through conception, CAD execution, prototyping and verification, whilst consistently working at pace & successfully develops team to do the same.


• Continuously evaluates and improves designs for cost efficiency, manufacturing improvements, increased quality and value to consumers.


• Applies sound engineering/ product design standards to deliver real solutions.


• Applies understanding & experience of high-volume manufacturing processes and materials to optimize designs.


• Communicates effectively and professionally with colleagues.


• Collaborates seamlessly with our U.S., U.K., and China-based Product Development teams, multi-functional teams, and executive teams to ensure that great ideas make it through to production.

What You’ll Bring

• Typically, 5+ years of proven experience in Mechanical/ Electro-Mechanical Engineering environment.


• Mechanical Design & Analysis – Strong understanding of mechanical systems in high-voltage environments, including material selection, heat dissipation, vibration control, and structural integrity.


• Electromechanical Systems – Working knowledge of how mechanical components interact with electrical systems, including insulating materials, creepage/clearance distances, and thermal management.


• CAD  – Proficiency in SolidWorks (ideally) or Creo


• Manufacturing & Materials – Extensive experience in Injection moulding - Understanding of materials suitable for high-voltage applications (PPS / PAGF)


• High-Voltage Insulation & Safety – Expertise in managing electrical safety risks (dialectic, hi-pot, arcing etc)


• Risk Assessment & Failure Mode Analysis – Experience in FMEA, DFMEA, and HAZOP to assess risks in high-voltage systems.


• Testing & Certification Requirements – Understanding of IP ratings, dielectric strength testing, thermal runaway testing, and partial discharge testing.


• Prototype Development & Testing – Ability to design, build, and test mechanical prototypes in controlled environments.


• Environmental & Endurance Testing – Familiarity with thermal cycling, humidity, vibration, and impact testing to ensure product reliability.


• Drawing & Eng Specification – Proficiency 2D drawings & assemblies, BOM management - working GD&T knowledge would be a bonus

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