Senior Mechanical Engineer, Plastics Design

Role details

Company Description SARACA is a global engineering R&D services company supporting 25+ Fortune 500 customers across MedTech, Aerospace, Rail, Automotive, Semiconductor, Defense, and Farm industries. The organization is ISO 13485 certified and specializes in next-generation medical device design and development, including embedded software, UI/UX, mechanical systems, and product testing. SARACA has unique expertise in IEC 62304, EU MDR, and specialized scientific and regulatory documentation for MedTech. With a technically strong team of 400+ engineers and management consultants, SARACA delivers solutions to complex business problems through onsite and offsite projects worldwide.

SARACA is an equal-opportunity employer that fosters a culture of innovation, learning, and customer-focused growth.

Job Overview

We are seeking a skilled Senior Mechanical Engineer specializing in Plastics Design to develop innovative mechanical components for advanced iron-air battery technology. The ideal candidate will have strong expertise in molded plastic component design, mechanical analysis, prototyping, and product validation, with experience taking products from concept through launch.

Key Responsibilities

• Design and develop molded plastic components for iron-air battery cells.
• Apply first-principles engineering to design structural plastic and sheet metal components capable of withstanding static and dynamic mechanical loads.
• Lead engineering analysis, prototyping, and failure analysis for plastic components.
• Fabricate first-of-a-kind plastic prototypes for mechanical fit checks and verification testing.
• Plan and execute validation testing to ensure designs meet functional and performance requirements.
• Collaborate with Battery Module and Electrode teams to define and negotiate interface requirements.
• Create and release detailed 2D part and assembly drawings.
• Define dimensional, functional, performance, and manufacturing specifications.
• Analyze mechanical test data and use findings to improve product designs.
• Support end-to-end product development from initial concept through product launch.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related discipline.
• 4+ years of relevant industry experience.
• Experience in end-to-end product development, from concept to launch.
• Proficiency in CAD tools and engineering analysis.
• Strong knowledge of molded plastic component design and mechanical design principles.
• Experience with prototyping, mechanical testing, validation, and failure analysis.
• Strong data analysis skills, particularly in interpreting mechanical test results.
• Ability to thrive in a fast-paced startup environment.