Mechanical Engineer

Exciting Opportunity – Mechanical Engineer

We are excited to announce a new opportunity for a Mechanical Engineer to join Lumos Diagnostics as part of our Product Development Team. This on-site role is essential to driving the design, development, and commercialization of innovative point-of-care diagnostic solutions that improve patient care. If you are a problem-solver, an innovator, and a team player, this is the perfect opportunity for you!

About Lumos Diagnostics

Lumos Diagnostics is an innovative point-of-care diagnostic development and manufacturing company with offices in Carlsbad, California and Melbourne, Australia. Our technologies include a range of proprietary optical reader devices, associated Smartphone/tablet applications and diagnostic tests for infectious and inflammatory diseases. Lumos Diagnostics boasts a highly experienced R&D team of scientists and engineers as well as in-house manufacturing, quality and regulatory teams with real-world experience in bringing diagnostic products to market.

At Lumos Diagnostics, we are looking for an individual who is eager to work in a team-oriented environment, is passionate about learning, and embraces innovation. Our culture is built on collaboration, continuous improvement, and a shared commitment to excellence. If you're seeking a company where you can grow and be part of a supportive, forward-thinking team, Lumos is the place for you!

To learn more, visit lumosdiagnostics.com

Job Summary

Lumos Diagnostics is seeking a Mechanical Engineer to play a key role in the design, development, and prototyping of innovative point-of-care diagnostic solutions. This on-site role offers hands-on experience with cutting-edge technologies, working across internal projects and strategic partnerships.

You will collaborate with cross-functional teams and third-party partners to develop high-performance, manufacturable, and regulatory-compliant products. Your focus will include Lumos’s proprietary technologies in point-of-care readers, mobile applications, and diagnostic test cartridges, while also integrating partner platforms as needed.

The ideal candidate has mechanical and/or systems engineering experience in medical devices or in vitro diagnostics, with strong problem-solving skills and a hands-on approach to prototyping and testing. A commitment to excellence, teamwork, and innovation is essential.

Compensation & Benefits

In the spirit of pay transparency, we are excited to share that the salary range for this position is $112,000 to $130,000.00 annually. Your final compensation will be determined based on factors such as skills, experience, and qualifications. We prioritize pay equity and internal alignment while ensuring room for future salary growth.

At Lumos Diagnostics, we offer a comprehensive benefits package, including:

• Health, dental, and vision insurance
• 401(k) with a 4% company match
• Generous paid time off and holidays
• Collaborative and innovative work environment

Why Join Lumos Diagnostics?

• Collaborative Culture: Work in a supportive and collaborative environment where your contributions matter.
• Growth Opportunity: This is a fantastic opportunity for individuals looking to advance their engineering career in a dynamic and fast-paced company.
•  Impactful Work: Play a key role in the development of life-changing diagnostic solutions that make a real difference in healthcare.

What You’ll Do

• Execute mechanical and systems engineering efforts for diagnostic product development projects, across all phases – from concept to manufacturing.
• Work closely with internal and external team members, contributing to defining project direction and directly supporting mechanical/systems engineering tasks.
• Develop, review, modify, and release technical documentation including mechanical drawings, schematics, bill of materials, and inspection procedures.
• Create, review and modify 2D and 3D parts and assembly drawings.
• Perform hands-on design work, including prototyping, testing, and troubleshooting issues in real-time.
• Work closely with 3^rd party tool makers/injection molders to ensure device parts are of high quality and fit for purpose.
• Actively contribute to prototype fabrication and testing efforts, collaborating with cross-functional teams.
• Support manufacturing teams in resolving mechanical design issues, ensuring smooth production workflows.
• Participate in team meetings, present designs, technical results, recommendations, and plans for future activities.
• Continuously improve and optimize mechanical designs to enhance performance, cost-effectiveness, and manufacturability.
• Perform other hands-on engineering tasks as required, commensurate with skills and experience.

What We’re Looking For

We’re seeking a highly motivated, detail-oriented engineer who thrives in a collaborative and fast-paced environment. The ideal candidate will have:

• Minimum of 2–5 years of professional experience in mechanical and/or systems engineering, particularly in medical or in vitro diagnostic device product development.
• Proven expertise in practical product development, including concept design, prototyping, and manufacturing.
• Strong understanding of materials, manufacturing processes, and design for manufacturability (DFM), particularly in injection molding.
• Proficient in CAD software (e.g., SolidWorks, AutoCAD).
• Experience working directly with mechanical components, test fixtures, and prototype assembly.
• Strong analytical skills, creative problem-solving, and detail-oriented.
• Familiarity with regulatory test standards.
• Demonstrates a hands-on, problem-solving mindset and willingness to work directly with mechanical systems.
• Familiarity with Quality Management Systems (e.g., ISO 13485) and FDA regulatory requirements.
• Strong communication skills, including the ability to explain complex technical concepts in layperson's terms.

Additional Information

• Location: On-site at our Carlsbad, CA location.
• Travel: May require domestic and international travel up to once per quarter.
• Work Environment: Expect a dynamic, hands-on role that blends design, prototyping, testing, and manufacturing collaboration.

Apply Today!

If you're passionate about engineering, and the future of diagnostic healthcare, we encourage you to apply! Submit your resume and join us in shaping the next generation of point-of-care diagnostics.

Lumos Diagnostics is an Equal Opportunity Employer