Senior Mechanical Engineer – Defense & Transportation Systems

Cubic Corporation; San Diego (CA); On-site; USD 101,000 - 108,000; Full time

Job summary

Cubic Corporation in San Diego is seeking a seasoned Mechanical Engineer to design and develop mechanical components and systems. You will generate 3D CAD models and drawings, perform analyses, and support prototype development, testing, and manufacturing transfers.

The role requires 5–8 years of experience, proficiency with major CAD tools, GD&T, and knowledge of manufacturing processes. You will work with a multidisciplinary team, lead design reviews, and contribute to continuous improvement.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Master's degree in Mechanical Engineering is a plus.
• Proficiency with 3D CAD tools and GD&T per ASME Y14.5.
• Experience in manufacturing processes and product development.
• Experience with engineering analyses and test data interpretation.
• Familiarity with DFMEA and engineering change processes.
• Strong problem-solving, organizational, and communication skills.
• Ability to manage multiple priorities independently.

Responsibilities

• Design and develop mechanical components, assemblies, and systems meeting performance, reliability, cost, manufacturability, and schedule requirements.
• Create and maintain detailed 3D CAD models, engineering drawings, and documentation.
• Conduct analyses including tolerance stack-ups, thermal, structural, vibration, and reliability assessments.
• Support prototype development, testing, troubleshooting, and validation.
• Develop test plans, execute tests, analyze results, and implement corrective actions.
• Collaborate with electrical, software, manufacturing, quality, and supply chain teams through product lifecycle.
• Participate in design reviews and provide recommendations for improvements.
• Support transition to manufacturing including release of engineering docs.
• Interface with suppliers and contract manufacturers to resolve issues and improve producibility.
• Investigate field issues, perform root cause analysis, implement corrective actions.
• Ensure designs meet industry standards, regulatory requirements, and company processes.
• Support continuous improvement initiatives focused on quality, cost, and efficiency.

Skills

Problem solving

Multitasking

Manufacturing processes

Engineering analyses

DFMEA & ECP

Engineering drawings & GD&T

3D CAD skills

Communication

Independent work

Education

Bachelor's degree in Mechanical Engineering or related field

Master's degree in Mechanical Engineering

Tools

SolidWorks

Creo

Siemens NX

Autodesk Inventor

ANSYS/Abaqus/SolidWorks Simulation

Job description

Cubic Corporation in San Diego is seeking a seasoned Mechanical Engineer to design and develop mechanical components and systems. You will generate 3D CAD models and drawings, perform analyses, and support prototype development, testing, and manufacturing transfers.

The role requires 5–8 years of experience, proficiency with major CAD tools, GD&T, and knowledge of manufacturing processes. You will work with a multidisciplinary team, lead design reviews, and contribute to continuous improvement.