Mechanical Engineer: Precision Opto-Mechanical Design

Optical Society of Southern California; Irvine (CA); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

Health, dental, and vision coverage

Retirement savings plan

Paid time off and holidays

Life and disability insurance

Opportunities for professional growth

Job summary

OptoSigma Corporation is seeking a Mechanical Engineer to support the design and development of precision mechanical and opto-mechanical assemblies, mounts, and positioning systems. The role spans the full product lifecycle from concept to production, working closely with optical, systems, and manufacturing engineers to tackle a wide variety of projects with energy and problem-solving mindset.

You will create detailed drawings and BOMs, test prototypes, and contribute to ECOs while maintaining

Qualifications

• Bachelor’s degree in mechanical engineering or related field.
• 0-5 years of relevant design experience — new graduates with strong fundamentals are encouraged to apply.
• Proficiency with 3D CAD software (SolidWorks or similar).
• Solid understanding of Geometric Dimensioning & Tolerancing, tolerance stack-up, and mechanical design principles.

Responsibilities

• Create and maintain detailed drawings, tolerances, and BOMs for manufacturing.
• Provide customer support for mechanical components and assemblies.
• Design mechanical components and assemblies (housings, mounts, positioning stages, mechanisms) using 3D CAD.
• Build and test prototypes; support design verification and validation activities.
• Work with manufacturing and quality teams to resolve design and build issues.
• Support new product introduction from concept through production release.
• Maintain engineering documentation and support engineering change processes.
• Own and process ECOs (Engineering Change Orders), and support quotation activities for custom products.
• Support the Quality Assurance department regarding inspection and final test requirements as needed.

Skills

Geometric Dimensioning & Tolerancing

Tolerance stack-up

Mechanical design principles

Cross-functional collaboration

Education

Bachelor’s degree in mechanical engineering or related field

Tools

SolidWorks

CAD software

Job description

OptoSigma Corporation is seeking a Mechanical Engineer to support the design and development of precision mechanical and opto-mechanical assemblies, mounts, and positioning systems. The role spans the full product lifecycle from concept to production, working closely with optical, systems, and manufacturing engineers to tackle a wide variety of projects with energy and problem-solving mindset.

You will create detailed drawings and BOMs, test prototypes, and contribute to ECOs while maintaining