Mechanical Design Engineer

Sonova AG; Tullamore; On-site; EUR 55,000 - 75,000; Full time

Job summary

Sonova, home to the Sennheiser brand, is seeking a Mechanical Design Engineer in Tullamore, Ireland, to help develop mechanical solutions for product launches and ongoing manufacturing. You will create 3D models, prototypes, and tooling to support new product introductions and production improvements.

You will collaborate with Development, NPI and local Engineering teams to deliver robust, manufacturable designs, including jigs, fixtures, and test hardware, while ensuring documentation and

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 3-5 years in mechanical design, manufacturing engineering, production engineering or NPI role.
• Strong CAD skills with 3D modeling experience.
• Experience designing jigs, fixtures, production aids or other mechanical solutions for manufacturing environments.
• Knowledge of manufacturing and prototyping technologies, especially 3D printing.
• Ability to work independently, manage multiple priorities and meet deadlines with cross-functional collaboration.
• Strong communication with internal stakeholders and external manufacturers/suppliers.

Responsibilities

• Design and develop mechanical solutions, jigs, fixtures, production tools and equipment to support new product introductions and existing manufacturing processes.
• Use CAD to create detailed 3D models and drawings from concept through prototyping to production.
• Develop and evaluate prototypes using 3D printing and other suitable manufacturing technologies.
• Collaborate with Development, NPI, local Engineering and other functions to deliver production solutions, including integration of electrical components where needed.
• Create detailed component and machine specifications, drawings, BOMs and manufacturing documentation.
• Coordinate with external manufacturers and suppliers, supporting quotation, sourcing and delivery within project timelines.
• Troubleshoot production and process issues, identify root causes and drive continuous improvement.

Skills

CAD modeling

CATIA

SolidWorks

Inventor

3D printing

Manufacturing support

Education

Degree in Mechanical Engineering

Tools

CATIA tooling

3D printers

Machining knowledge

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.