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Sustainability Mechanical Engineer III

Plano, TX, USA Req #828
Tuesday, September 27, 2022
ABOUT INOGEN Inogen was founded in 2001 to improve quality of life and increase freedom and independence for oxygen therapy users. Inogen is innovation in oxygen therapy. The Inogen mission is to improve freedom and independence for oxygen therapy patients through innovative products and services. Inogen is a manufacturer and Accredited Homecare Provider. Inogen is focused on quality care, continuous improvement, and outstanding customer satisfaction. We are a stable, USA based company dedicated to providing an exciting and rewarding career to our employees. We completed a successful Initial Public Offering on the NASDAQ in 2014 and have demonstrated substantial growth over the last five years. Our work environment is casual yet high performing, and we are looking for seriously talented, motivated, and fast-paced professionals to join our team.

Job Summary:

The primary responsibility of the Sustaining Mechanical Engineer is to support Inogen’s existing products and platforms in cooperation with the New Product Development team. The Sustaining Mechanical Engineer is a key member of the Engineering team and ensures that Inogen’s products are in compliance with all current medical device regulations worldwide.  In addition, you will be expected to address issues such as part obsolescence, CAPA’s, design improvements and complaint handling through root cause analysis.  Key responsibilities include the implementation of design changes to address the issues listed above. The Sustaining Mechanical Engineer may also be assigned to focus their activities on existing product lines to make improvements to the user experience, quality, reliability, cost, and efficiency in manufacturing. 

Responsibilities (Specific tasks, duties, essential functions of the job)

Mechanical Engineer III

In addition to items listed for Mechanical Engineer II, a Mechanical Engineer III may also be responsible for the following.

·        Responsible for FMEA of system subcomponents within the oxygen concentrator design as it relates to design improvements, failure analysis, etc.

·        Maintain vendor contact post launch to maintain relationships that offer cost-effective high-quality manufacturing of Inogen designs.

·        Lead projects and major design changes/improvements to existing products per the Inogen design change process.

·        Serve as a focal point as a subject matter expert for the Inogen line of oxygen concentrators.

·        Partner with manufacturing on an as needed basis to review manufacturing process changes for effectiveness and safety.

·        Mentor junior engineers in failure analysis techniques and tools.



Knowledge, Skills, and Abilities

·        Must have strong work ethic

·        Excellent oral and written communication skills required

·        Attention to detail with accurate and complete documentation

·        Effective conflict resolution

·        Analytical & problem-solving skills & ability to multitask

·        Solutions-oriented problem solver

·        Versed in and able to effectively apply common root cause analysis tools

·        Excellent planning, communication, and organizational skills

·        Ability to effectively interface with different departments within the company

·        Knowledge of plastics, metal, and rubber material properties and design

·        Model based design and analysis

·        Experience with mechanical design of complex electro-pneumatic assemblies

·        Tolerance analysis of complex mechanical assemblies

·        Experience with injection molding

·        Experience with tight tolerance machining and die casting

·        Self-motivated and capable of self-direction

·        Experience with fabrication equipment

·        Highly motivated and able to act as a key part of the Engineering team

·        Desire and ability to perform hands-on prototyping, testing, and troubleshooting


Qualifications (Experience and Education)

Bachelor’s degree in Engineering or related technical discipline, required

·        MS Engineering preferred.

·        5-8 years’ experience in mechanical engineering, required

·        Advanced knowledge/proficiency in Microsoft Office, Solidworks, and EPDM, required

·        Advanced knowledge/proficiency in ISO 9001 or ISO 13485, required

·        Advanced knowledge of manufacturing techniques, including plastic injection molding, die-casting, and machining, required

A combination of training, education, and experience that is equivalent to the qualifications listed above and that provides the required knowledge, skills, and abilities
We thank all applicants in advance for their interest in the position. However, only those selected for an interview will be contacted. Inogen is an equal opportunity employer.  We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legallyprotected characteristics. The EEO is the Law poster and its supplement are available here:; The pay transparency policy is available here: Inogen is committed to working with and providing reasonable accommodations to individuals with disabilities.  If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to or call (972) 616-5668 and let us know the nature of your request and your contact information.

Other details

  • Job Family Sustaining Mechanical Engineer
  • Job Function Individual Contributor
  • Pay Type Salary
  • Employment Indicator Insider
  • Required Education Bachelor’s Degree
Location on Google Maps
  • Plano, TX, USA