Senior Design Engineer

SaniSure; Camarillo (CA); On-site; USD 100,000 - 130,000; Full time

Job summary

SaniSure is looking for a Senior Design Engineer to lead the design and development of complex plastic assemblies used in bioprocessing systems. This role focuses on ensuring robust design practices and effective cross-functional collaboration.

The ideal candidate has over 12 years of mechanical design experience, including 5 years in Single-Use Technology (SUT) design, and is proficient in SolidWorks. Join us in making a crucial impact in the biotech industry.

Qualifications

• 12+ years of experience in mechanical design engineering.
• 5+ years of Single-Use Technology (SUT) design experience.
• Proficient in SolidWorks with a track record of managing large assemblies.

Responsibilities

• Drive the development of integrated plastic assemblies for bioprocessing systems.
• Lead root cause investigations and perform failure analysis.
• Plan, execute, and document engineering experiments and validations.

Skills

Mechanical design engineering

Single-Use Technology (SUT) design

Injection-molded plastic parts

Design for Manufacturing (DFM)

SolidWorks

Problem-solving

Technical report writing

Agile development methodologies

Education

Bachelor of Science in Mechanical Engineering

Tools

SolidWorks

PLM systems (QT9, SAP)

ERP systems

Job description

SaniSure is a high-growth multinational manufacturer of single-use products and systems used in the production of biological drugs, including cell therapies, gene therapies, and vaccines. With operations in the U.S. and Europe, we supply global pharmaceutical and biotech companies with the critical tools they need to develop and manufacture some of today’s most innovative and life-changing medicines.

As we continue to expand our product offerings and global footprint, SaniSure offers an exciting opportunity to join a nimble, customer-focused company at the forefront of the biotech industry.

Job Summary

The Senior Design Engineer will lead the design and development of complex plastic assemblies for critical bioprocessing applications. This individual will support product development through all stages, from concept through commercialization, with a focus on building robust design practices, executing hands‑on testing, and driving cross‑functional collaboration.

Essential Functions

• Drive the development of integrated plastic assemblies used in bioprocessing systems, with a focus on performance, manufacturability, and reliability.
• Build and maintain design guidelines and standards tailored to single‑use systems in highly regulated environments.
• Lead root cause investigations and perform failure analysis for leak‑proof performance and durability.
• Plan, execute, and document engineering experiments and design validations; clearly present findings and propose next steps.
• Own and continuously improve best practices for mechanical design across the organization.
• Lead transition to full SolidWorks integration across the product team; champion CAD organization and modeling standards.
• Work within a product development framework that incorporates SCRUM and daily stand‑up meetings to maintain project momentum.
• Support manufacturing with design‑for‑manufacturing (DFM) principles and optimization of injection molding processes.
• Interface with internal and external stakeholders to ensure alignment on technical deliverables and timelines.
• Navigate and utilize PLM and ERP systems for BOM management, design releases, and engineering change control.

Education

• Bachelor of Science in Mechanical Engineering or related technical field

Required Experience & Competencies

• 12+ years of experience in mechanical design engineering, with a focus on developing complex assemblies.
• 5+ years of Single-Use Technology (SUT) design experience.
• Demonstrated expertise in the design of injection‑molded plastic parts and assemblies for fluid handling or leak‑proof applications, including tubing, bags, and fitting integration.
• Strong understanding of Design for Manufacturing (DFM), tolerance stack‑up, and process optimization principles.
• Proficient in SolidWorks, with experience managing large assemblies and transitioning teams to integrated workflows.
• Hands‑on approach to problem‑solving with a track record of conducting design validation testing, analyzing failures, and implementing corrective actions.
• Effective communicator with experience writing technical reports, summarizing test results, and delivering presentations with clear next steps.
• Experience participating in SCRUM, daily stand‑ups, or other agile development methodologies.
• Strong ownership of design best practices and a drive to continuously improve development standards and workflows.

Preferred Qualifications

• Experience developing products for bioprocessing, medical, or other highly regulated industries.
• Knowledge of ISO 13485, ASME BPE, or related design standards.
• Working knowledge of PLM and ERP systems such as QT9, SAP, or similar platforms.
• Prior experience establishing design guidelines or contributing to company‑wide engineering standards.

Equal Employment Opportunity Policy

We are committed to providing equal employment opportunities to all employees and applicants without regard to race, religion (including religious dress and grooming practices), color, sex (including childbirth, breast feeding, and related medical conditions), gender identity or expression, sexual orientation, national origin, citizenship status, uniform service member status, pregnancy, age (40 and over), genetic information, disability (mental and physical), or any other protected status in accordance with all applicable federal, state, and local laws.