Valeant Pharmaceuticals

Principal Mechanical Engineer

Location US-MO-St Louis
Job ID
Pos. Type
Full Time


Valeant Pharmaceuticals International, Inc. is a diverse pharmaceutical company that is committed to focusing on our key stakeholders while delivering consistently high performance. Our values provide the overall direction for our company, and provide us with the tools necessary to rise to any challenge by leveraging our collective hard work and effort along with our unwavering competitive spirit. These values help us set goals based on our organization’s potential and what we hope it will become.


The Principal Mechanical Design Engineer, R&D serves as the internal technical/subject matter expert for one or more core technologies represented by the surgical product line (e.g. pneumatic vitrectomy, electro-surgery, fluid management, ultrasound transmission, fiber optic energy transmission, system integration). He or she provides technical guidance and makes substantial individual contributions to facilitate the mechanical design of new medical equipment and devices for ophthalmic surgery. He or she provides comprehensive product development services from conceptual design to product release. He or she may offer expert guidance to facilitate approvals of modifications to existing designs, assessments of acceptability of non-conforming parts, and troubleshooting of product complaints. The Principal Mechanical Design Engineer may provide technical and/or project leadership for select new product development activities. The Principal Mechanical Design Engineer provides technical mentorship and supervision to less experienced engineers as required.


No direct reports. However, the Principal Mechanical Engineer is expected to provide technical mentoring to other engineers.  He or she may, but is not required to, act as a functional/reporting supervisor in this role.


The Principal Mechanical Design Engineer shall be an expert-level individual contributor and technical leader for select New Product Development (NPD) projects. The primary scope of development activities supported by position shall be Class I and Class II, Ophthalmic Surgical Equipment and Accessory Devices for both Anterior and Posterior Segment Indications. Additional design change support to facilitate maintenance of business (MOB) shall be provided as required based on the mix of projects in the pipeline or as appropriate based on subject matter expertise. Infrequent work assignments at the O’Fallon, MO manufacturing site may be required to achieve specific NPD and MOB objectives.

  • Leads new product development activities and performs design-related tasks.
  • Generates design concepts for new products based on marketing inputs.
  • Collaborates with personnel from marketing, manufacturing, and quality to ensure that new designs meet customer requirements. 
  • Prepares documentation to ensure that product development processes comply with FDA accepted control guidelines. 
  • Creates 3D Autodesk Inventor/Solid Works models and 2D prototype drawings for parts and assemblies. 
  • Optimizes performance of products using FEA/CFD software tools. 
  • Assists R&D technicians in assembling new devices. 
  • Evaluates new prototypes against performance criteria and solicits feedback from marketing product managers. 
  • Attends surgical procedures and communicates with clinical advisors to acquire customer feedback for new products. 
  • Prepares detailed specifications for and participates in small scale production of new product designs. 
  • Writes test protocols, performs experiments, and authors reports to support new product verification efforts. 
  • Participates in validation of new products and documents results. 
  • Reviews and approves design changes and verification plans for released products and procedural packs. 
  • Performs comprehensive engineering activities to support new product development projects. 
  • Provides consulting support for product improvement and maintenance of business projects.  Offers technical guidance to facilitate prudent product decision making. 
  • Mentors other engineers in the organization.

Key Relationships: 

  • Internal: Commercial, Operations, Design Quality, R&D Project Management, Regulatory Affairs
  • External: Surgeons/Key Opinion Leaders (KOLs), Nurses, Clinical Staff, Outside Technical Support Agencies


  • Required Education:  BS in Mechanical Engineering
  • Preferred Education: MS in Mechanical Engineering or other Advanced Technical/Scientific Degree.

Required Skills/Qualifications:

  • Ability to create electro-mechanical designs and integrated equipment systems using Solid Works, AutoCAD, Autodesk Inventor, or equivalent software.  
  • Proficiency using one or more FEA/CFD software tools. 
  • Ability to interpret and create engineering drawings, specifications, reports, and other engineering or manufacturing documentation.
  • Strong knowledge of electro-mechanical systems, devices, and materials including pneumatic systems, fluidic management systems, and ultrasonic energy delivery systems.
  • Broad knowledge of manufacturing methods (Machining, Injection Molding, Etc.). 
  • Expertise in mechanical design and tolerance analysis. 
  • Expertise with instrumentation and test equipment/software. 
  • Working knowledge of electrical systems. 
  • Good working knowledge of MS Office tools, analytical tools, project management tools, ERP systems. 
  • Excellent oral and written communication skills. 
  • Demonstrated ability to work cross-functionally.


Preferred Skills/Qualifications:

  • Multi-disciplinary product design for ultrasonic energy transmission. 
  • Application experience with PZT ceramic materials. 
  • Acoustic analysis/finite element analysis (FEA). 
  • Computational Fluid Dynamic Analysis (CFD). 
  • Electro-mechanical, medical equipment design. 
  • Medical device design control and risk management expertise.

Be Aware of Recruiting Fraud

Valeant is an EEO/AA employer M/F/D/V.


Job Applicants should be aware of job offer scams perpetrated through the use of the Internet and social media platforms.


To learn more please read Valeant’s Job Offer Fraud Statement.


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