Principal Mechanical Engineer, R&D

Job Information

Job Number: ICIMS-

Job Function: R&D

Job Type: Full-time

Location:

Werfen - Bedford - 180 Hartwell Road Bedford, Massachusetts 01730 United States

Country:
United States

Shift: 1st

Werfen

Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain. We are a worldwide leader in specialized diagnostics in the areas of Hemostasis, Acute Care Diagnostics, Transfusion, Autoimmunity, and Transplant. Through our Original Equipment Manufacturing (OEM) business line, we research, develop, and manufacture customized assays and biomaterials. We operate directly in 30 countries, and in more than 100 territories through distributors.

Our Headquarters and Technology Centers are located in the US and Europe, and our workforce is more than 7,000 strong.

Our success comes from a specific focus in these rapidly evolving diagnostic areas, our commitment to customers, and our dedication to innovation and quality. We're passionate about providing healthcare professionals the most valuable and complete solutions to improve hospital efficiency and enhance patient care.

Position Summary:

The Principal Mechanical Engineer leads the design, development, and integration of complex electromechanical systems for medical diagnostic and IVD products, including motion systems, precision fluidics, and thermal management solutions. This role applies advanced engineering principles, parametric CAD modeling (Creo preferred), simulation tools, and deep expertise in GD&T, tolerance analysis, and complex assemblies to deliver robust, manufacturable designs. Responsible for translating product requirements into system architecture and mechanical solutions, the engineer makes sound design trade‑offs balancing performance, cost, manufacturability, and time‑to‑market while ensuring compliance with medical device quality and regulatory standards.

This position requires broad ownership across the product development lifecycle—from concept through verification, validation, and design transfer—while collaborating closely with cross‑functional teams to drive technical decisions and product success. The Principal Engineer brings strong experience in designing for a range of manufacturing processes and large‑scale systems, contributes to product architecture decisions informed by customer and marketing inputs, and provides technical leadership by guiding project direction, influencing engineering practices, and mentoring junior engineers.

Salary:
The annual base salary range for this role is currently $150,000 to $185,000. Individual employee compensation will ultimately depend on factors including education, relevant experience, skillset, knowledge, and particular business needs.

Benefits:
This role is eligible for medical, dental, and vision insurance, 401(k) plan retirement benefits with an employer match, as well as paid vacation and sick leave.

Key Accountabilities and

Essential Functions:

• Acts as an Individual contributor, core team or technical lead for a specific project or product line.
• Accountable for the completion of assigned deliverables in accordance with approved schedules.
• Authors documentation and participates in activities in support of design control.
• Independently plans, performs & prioritizes tasks that are complex in nature, in alignment with corporate goals.
• Analyzes and interprets data, identifying trends and formulating the next steps, while effectively performing trade off analysis, if required by the function.
• Leads, designs and/or develops one or more of the following: new test methods, specifications, technical apparatus, software and processes for complex components and functions.
• Evaluates complex designs or processes, with respect to acceptability, suitability and cost. Recommends preferred design options. Presents trade‑off, if required by the function.
• Identifies product defects and able to recognize outliers in results. Able to explain and document product defects and their impact.
• Effectively communicates technical information to a multidisciplinary team in the form of documentation, presentations and technical summaries and promotes…