Mechanical Engineer – Defense & Transportation Systems

4090 Cubic Secure Communications, LLC; San Diego (CA); On-site; USD 101,000 - 108,000; Full time

Benefits offered by this job

Medical, dental and vision insurance

401k with company match

Paid time off and holidays

Life insurance options

Well-being program

Job summary

Cubic Transportation Systems is seeking an experienced Mechanical Engineer to design and develop mechanical components and systems for transportation technology. You will create detailed CAD models, perform analyses, and support prototypes through to manufacturing, collaborating with electrical, software, and manufacturing teams.

The role requires 5–8 years of mechanical engineering experience, strong CAD skills (SolidWorks/Creo/NX/Inventor), and GD&T knowledge.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 5–8 years of mechanical engineering experience in product development or systems engineering.
• Proficiency with 3D CAD tools: SolidWorks, Creo, Siemens NX, or Autodesk Inventor.
• Knowledge of GD&T per ASME Y14.5; manufacturing processes including machining, sheet metal, molding, casting, assembly.

Responsibilities

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

Skills

Mechanical design

Cross-functional collaboration

Problem solving

Strong communication

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

Creo

Siemens NX

Autodesk Inventor

Job description

Cubic Transportation Systems is seeking an experienced Mechanical Engineer to design and develop mechanical components and systems for transportation technology. You will create detailed CAD models, perform analyses, and support prototypes through to manufacturing, collaborating with electrical, software, and manufacturing teams.

The role requires 5–8 years of mechanical engineering experience, strong CAD skills (SolidWorks/Creo/NX/Inventor), and GD&T knowledge.