Mechanical Design Engineer

Sonova; Hannover; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

Sennheiser, a brand of Sonova, is seeking a hands-on Mechanical Design Engineer to develop mechanical solutions for production environments in Hannover. You will work with Development, NPI and local Engineering to translate concepts into robust tools, fixtures, and production aids across new product introductions and manufacturing improvements.

The role requires CAD expertise (CATIA/SolidWorks/Inventor), 3–5 years in mechanical design, and a collaborative, autonomous approach in a fast-paced

Qualifications

• Degree in Mechanical Engineering or related discipline.
• 3–5 years in mechanical design or related role.
• Strong CAD experience with CATIA, SolidWorks or Inventor.
• Experience designing jigs, fixtures and production aids.
• Knowledge of manufacturing technologies and 3D printing.
• Ability to work independently and manage priorities.
• Strong communication with stakeholders and suppliers.

Responsibilities

• Design and develop mechanical solutions, jigs, fixtures, and production tools.
• Use CAD to create 3D designs from concept to production.
• Develop prototypes with 3D printing and other technologies.
• Collaborate with Development, NPI and local Engineering to deliver production solutions.
• Create detailed component drawings, BOMs and documentation for manufacturing.
• Coordinate with external manufacturers and suppliers for sourcing and delivery.
• Troubleshoot production and process issues and drive continuous improvement.

Skills

Mechanical design

CAD

NPI coordination

Manufacturing engineering

3D printing

Communication

Education

Degree in Mechanical Engineering

Tools

CATIA

SolidWorks

Inventor

Job description

Great sound has the power to transform everyday moments into extraordinary experiences. Through the iconic Sennheiser brand, we develop premium headphones, earbuds, and audio solutions that enable people around the world to connect more deeply with music, entertainment, and the world around them.

As part of the Sonova Group, we combine decades of audio expertise with a global innovation network and a shared passion for delivering exceptional listening experiences. Our teams create products that set standards for sound quality, design, and user experience.

Driven by curiosity, creativity, and collaboration, we foster an environment where people are empowered to take ownership, bring ideas to life, and make a meaningful impact on products enjoyed by millions of consumers worldwide.

In March 2026, Sonova announced its decision to divest its Consumer Hearing business and initiated a structured divestment process. This marks an exciting new chapter for the business and offers unique opportunities to contribute to its development and continued success.

Join us and help shape the future of premium audio experiences.

Mechanical Design Engineer

165637

Join our Engineering team in Tullamore and help develop the mechanical solutions that enable our products to move successfully from development into production. You will work across new product introductions and ongoing manufacturing, turning engineering challenges into practical, reliable solutions.

More about the role

As a Mechanical Design Engineer, you will work closely with Development, NPI and local Engineering teams to design, prototype, validate and industrialize mechanical solutions for our manufacturing environment. Your work will range from supporting new product launches to solving existing production challenges through the development of jigs, fixtures, test hardware and other production aids.

Tasks & Responsibilities

• Design and develop mechanical engineering solutions, jigs, fixtures, production tools and equipment to support new product introductions and existing manufacturing processes.
• Use CAD to create detailed 3D designs and drawings, taking solutions from initial concept through prototyping, validation and introduction into production.
• Develop and evaluate prototypes using 3D printing and other appropriate manufacturing technologies.
• Work closely with Development, NPI, local Engineering, Control & Test Engineering and other functions to deliver effective production solutions, including the integration of electrical components where required.
• Create detailed component and machine specifications, drawings, BOMs and supporting documentation required for manufacturing and industrialization.
• Collaborate with and manage external manufacturers and suppliers, supporting quotation, sourcing and delivery of components and solutions according to project timelines.
• Troubleshoot production and process issues, identify root causes and implement robust engineering solutions while contributing to continuous improvement and process optimization.

More about you

We’re looking for a hands‑on Mechanical Engineer who enjoys turning ideas into practical solutions and can take ownership of projects from concept through implementation. You are comfortable working autonomously while collaborating across multidisciplinary teams, and you can effectively manage priorities between NPI projects and manufacturing improvement activities in a fast‑paced environment.

• Degree in Mechanical Engineering, Mechanical Design, Mechatronics, Electromechanical Engineering or a related discipline.
• Around 3-5 years of experience in a similar mechanical design, manufacturing engineering, production engineering or NPI role.
• Strong CAD experience, for example CATIA, SolidWorks or Inventor, with the ability to produce detailed 3D models and technical drawings.
• Practical experience designing jigs, fixtures, production aids or other mechanical solutions for manufacturing environments.
• Knowledge of manufacturing and prototyping technologies, particularly 3D printing, and experience designing for manufacture.
• Ability to work independently, manage multiple priorities and deliver against deadlines while collaborating effectively as part of a wider engineering team.
• Strong communication skills and the ability to work effectively with internal stakeholders and external manufacturers and suppliers.

Good to have qualifications

• Experience with CATIA and/or Formlabs SLA 3D printing.
• Knowledge of CNC machining, laser cutting or tool‑making/machine workshop processes.
• Experience with automation or continuous improvement projects within a manufacturing environment.
• Knowledge of acoustics or acoustic engineering.
• Experience using Keyence 3D scanning technology or reverse‑engineering mechanical components.
• Project management skills and experience coordinating engineering activities with external partners.

The Sennheiser brand

The Sennheiser brand stands for premium quality in the field of audio products.
At Sonova Consumer Hearing, we develop and offer consumer devices such as headphones, soundbars and speech‑enhanced hearables under the brand license of Sennheiser.

The business is headquartered in Hannover, Germany, and has approximately 650 employees worldwide. To continue to be among the best in the industry, we are always on the lookout for outstanding talent.