Principal Engineer, New Product Development
Principal Engineer, New Product Development

Principal Engineer, New Product Development

London Full-Time 43200 - 72000 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead innovative product designs from concept to launch, solving complex engineering challenges.
  • Company: SharkNinja creates lifestyle solutions that enhance everyday living, with a focus on innovation and quality.
  • Benefits: Enjoy competitive health insurance, retirement plans, wellness programs, and exclusive product discounts.
  • Why this job: Join a culture of creativity and collaboration, where your ideas can disrupt markets and make an impact.
  • Qualifications: BS or MS in Mechanical Engineering with 6+ years in product development, preferably in consumer products.
  • Other info: Work hybrid in Battersea, London, and be part of a diverse community driving equity and inclusion.

The predicted salary is between 43200 - 72000 ÂŁ per year.

Principal Engineer, New Product Development

UK – London, Battersea Power Station

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. Powered by two trusted, global brands, Shark and Ninja , 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 .

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

About The Role

We are seeking a Principal Engineer, New Product Development (NPD) to help us design the next generation of innovative products across our Shark portfolio. Based in our Battersea, London office, you will be a critical technical contributor, driving the development of high-impact, consumer-centric designs that define our product roadmap. You will bring a blend of technical depth, creativity, and problem-solving rigor to deliver meaningful product experiences.

What You\’ll Do

  • Independently execute and lead design studies to solve complex technical and consumer-facing problems throughout the product development lifecycle.
  • Take end-to-end ownership of design—from concept generation, CAD modeling, prototyping, and testing through to design verification.
  • Drive product design decisions based on engineering principles, consumer insights, and manufacturing feasibility.
  • Continuously evaluate and refine designs for cost, manufacturability, performance, and quality.
  • Apply a deep understanding of materials, mechanisms, and high-volume manufacturing processes to create optimized solutions.
  • Collaborate closely with cross-functional global teams (Engineering, Industrial Design, Product Marketing, and Operations) across the US, UK, and China to ensure seamless product integration.
  • Use rapid prototyping and hands-on iteration to test hypotheses and validate concepts quickly.
  • Communicate technical findings, trade-offs, and recommendations clearly and effectively across all levels of the organization.
  • Contribute to a culture of innovation by championing bold ideas while balancing executional excellence.

What You\’ll Bring

  • BS or MS in Mechanical Engineering or a related technical discipline.
  • 6+ years of experience in product development, ideally within the consumer products or small appliances space.
  • Demonstrated track record of delivering robust, elegant, and innovative mechanical solutions from concept through launch.
  • Proficient in 3D CAD tools (e.g., SolidWorks, Creo) and rapid prototyping techniques.
  • Strong experience with hands-on mechanical and electrical fabrication (e.g., power tools, sheet metal work, wiring).
  • Familiarity with small appliance components and systems, including motors, heaters, sensors, and PCBAs.
  • Comfortable with test equipment and data analysis tools; advanced Excel or equivalent skills preferred.
  • Experience working in fast-paced, agile environments where quick iteration and learning are essential.
  • Deep technical problem solver with strong mechanical engineering and physics fundamentals (e.g., fluid mechanics, heat transfer, kinematics).
  • Analytical mindset with excellent attention to detail and a bias toward action and accountability.
  • Comfortable working hands-on in the lab—prototyping, testing, debugging, and iterating.
  • Exceptional ability to distill complex issues into clear plans and communicate them concisely to both technical and non-technical stakeholders.
  • Strong judgment in evaluating technical trade-offs, with a focus on consumer value and product performance.
  • Confident, independent thinker who actively contributes to technical debates and welcomes constructive feedback.
  • Highly organized with the ability to manage multiple projects and shifting priorities in a fast-paced environment.

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Our Culture

At SharkNinja, we don’t just raise the bar—we push past it every single day. Our Outrageously Extraordinary mindset drives us to tackle the impossible, push boundaries, and deliver results that others only dream of. If you thrive on breaking out of your swim lane, you’ll be right at home.

What We Offer

We offer competitive health insurance, retirement plans, paid time off, employee stock purchase options, wellness programs, SharkNinja product discounts, and more. We empower your personal and professional growth with high impact Learning Programs featuring bold voices redefining what’s possible. When you join, you’re not just part of a company—you’re part of an outrageously extraordinary community. To gether, we won’t just launch products— we’ll disrupt entire markets.

At SharkNinja, Diversity, Equity, and Inclusion are vital to our global success. Valuing each unique voice and blending all of our diverse skills strengthens SharkNinja’s innovation every day. We support ALL associates in bringing their authentic selves to work, making an impact, and having the opportunity for career acceleration. With help from our leadership, associates, and our community, we aim to have equity be a key component of the SharkNinja DNA.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, disability, or any other class protected by legislation, and local law. SharkNinja will consider reasonable accommodations consistent with legislation, and local law. If you require a reasonable accommodation to participate in the job application or interview process, please contact SharkNinja People & Culture ataccommodations@sharkninja.com

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At SharkNinja, we take pride in our uniqueness. Our innovation extends beyond our products to the way we work, embracing diversity as a cornerstone of our success. We recognise that our differences make us stronger, more creative, and better at what we do. Our workforce should reflect the diversity of our customer base, which is why our recruitment commitment is to truly be an exemplary, equal opportunity employer, fostering a welcoming and inclusive workplace.

If you are a UK resident, we are looking for you as a valued candidate, to help us achieve our commitment by participating in this short questionnaire. You can choose if you want to complete the questions, if you do your answers will help us to ensure our hiring practices are inclusive, and in return we commit to treating the information you provide with respect by applying technical measures to your response to remove it from your candidate record.

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None of the hiring team will have access to your responses, therefore the information you provide will NOT be used as part of your application process.

The data will be used to report on our recruitment process and its success in supporting Diversity, Equality, and Inclusion.

We are processing your information using Schedule 1, part 2, paragraph (8) of The Data Protection Act 2018.

You can exercise your Data Subject Rights at any point during or after our recruitment process. For more information, please visit our Candidate Privacy Notice here

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Principal Engineer, New Product Development employer: Ninjakitchen

SharkNinja is an exceptional employer that fosters a culture of innovation and collaboration, making it an ideal place for a Principal Engineer in New Product Development. Located in the vibrant Battersea area of London, employees benefit from a supportive work environment that encourages personal and professional growth through impactful learning programmes and diverse perspectives. With competitive benefits, including health insurance, retirement plans, and product discounts, SharkNinja empowers its associates to thrive while contributing to groundbreaking consumer products that redefine market standards.
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Contact Detail:

Ninjakitchen Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Engineer, New Product Development

✨Tip Number 1

Familiarise yourself with SharkNinja's product portfolio and recent innovations. Understanding their current offerings and future direction will help you align your skills and ideas with their vision during discussions.

✨Tip Number 2

Prepare to discuss specific examples of your past projects that demonstrate your ability to lead product development from concept to launch. Highlight your experience with CAD tools and rapid prototyping, as these are crucial for the role.

✨Tip Number 3

Showcase your collaborative skills by preparing to discuss how you've worked with cross-functional teams in the past. Emphasising your ability to communicate technical concepts clearly will resonate well with their team-oriented culture.

✨Tip Number 4

Be ready to demonstrate your problem-solving approach. Think of a complex engineering challenge you've faced and how you tackled it, as this will illustrate your analytical mindset and hands-on experience, which are key for this position.

We think you need these skills to ace Principal Engineer, New Product Development

Mechanical Engineering
3D CAD Proficiency (e.g., SolidWorks, Creo)
Rapid Prototyping Techniques
Hands-on Mechanical and Electrical Fabrication
Understanding of Small Appliance Components and Systems
Test Equipment Familiarity
Data Analysis Skills (Advanced Excel or equivalent)
Technical Problem Solving
Fluid Mechanics Knowledge
Heat Transfer Principles
Kinematics Understanding
Attention to Detail
Project Management
Cross-Functional Collaboration
Effective Communication Skills
Ability to Manage Multiple Projects

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in product development, particularly within consumer products or small appliances. Emphasise your technical skills, especially in CAD tools and prototyping techniques, as these are crucial for the role.

Craft a Compelling Cover Letter: In your cover letter, express your passion for innovation and how your background aligns with SharkNinja's mission. Mention specific projects where you've demonstrated problem-solving and creativity in product design.

Showcase Technical Skills: Clearly outline your proficiency in 3D CAD tools and any hands-on fabrication experience. Provide examples of how you've applied these skills in previous roles to deliver successful products.

Highlight Collaboration Experience: Since the role involves working with cross-functional teams, include examples of past collaborations. Describe how you effectively communicated technical findings and contributed to team success in fast-paced environments.

How to prepare for a job interview at Ninjakitchen

✨Showcase Your Technical Expertise

As a Principal Engineer, it's crucial to demonstrate your deep understanding of mechanical engineering principles. Be prepared to discuss specific projects where you've applied your knowledge in CAD modelling, prototyping, and testing. Highlight any innovative solutions you've developed that align with consumer needs.

✨Prepare for Problem-Solving Scenarios

Expect to face technical challenges during the interview. Practice articulating your thought process when tackling complex problems. Use examples from your past experience to illustrate how you approached design issues, evaluated trade-offs, and arrived at effective solutions.

✨Emphasise Collaboration Skills

Collaboration is key in this role, so be ready to discuss your experience working with cross-functional teams. Share examples of how you've successfully communicated technical findings to non-technical stakeholders and how you’ve contributed to a culture of innovation within your previous teams.

✨Demonstrate Your Passion for Innovation

SharkNinja values an 'Outrageously Extraordinary' mindset. Convey your enthusiasm for pushing boundaries and your commitment to delivering exceptional products. Discuss any bold ideas you've championed in the past and how they led to successful outcomes.

Principal Engineer, New Product Development
Ninjakitchen
Location: London
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  • Principal Engineer, New Product Development

    London
    Full-Time
    43200 - 72000 ÂŁ / year (est.)
  • N

    Ninjakitchen

    50-100
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