Senior Mechanical Engineer — Maritime At-Sea Testing

Spear AI, Inc.; Falmouth (MA); On-site; USD 110,000 - 160,000; Full time

Job summary

Spear AI, Inc. is seeking an experienced Mechanical Engineer with maritime experience to join a cross-functional team developing unmanned maritime sensor systems. You will mentor junior engineers, design for submerged environments, and drive prototype testing from lab to sea.

You will produce CAD artifacts, lead design reviews, and help select fabrication processes while emphasizing low-tech manufacturing. Occasional sea deployments and security clearance eligibility are required as part of

Qualifications

• BS in Mechanical Engineering or Naval Architecture; 5+ years in a design role (or 10+ with 5 in design).
• Maritime design experience required.
• Solidworks preferred; cross-over capability acceptable.

Responsibilities

• Mentor junior engineers and technicians.
• Design mechanical systems for maritime use and submerged environments.
• Produce CAD artifacts, drawings, and documentation with revision control.
• Select manufacturing processes and optimize for low-tech manufacturing.
• Design parts for additive manufacturing and optimize for that process.
• Prototype, test, troubleshoot, and refine designs in lab and on water.
• Hand off manufacturing-ready documentation and procedures.
• Plan and participate in operational testing including sea trials.
• Incorporate feedback from assembly and field technicians to improve performance and cost.

Skills

Maritime experience

Prototype development

Mechanical design

CAD / SolidWorks

Lab testing

Field testing

Communication skills

Security clearance willingness

Seaworthiness/sea deployment

Education

BS in Mechanical Engineering or Naval Architecture

Tools

SolidWorks

Job description

Spear AI, Inc. is seeking an experienced Mechanical Engineer with maritime experience to join a cross-functional team developing unmanned maritime sensor systems. You will mentor junior engineers, design for submerged environments, and drive prototype testing from lab to sea.

You will produce CAD artifacts, lead design reviews, and help select fabrication processes while emphasizing low-tech manufacturing. Occasional sea deployments and security clearance eligibility are required as part of