Junior Mechanical Engineer — USV Design & Fabrication (SD)

Seasats; San Diego (CA); On-site; USD 71,000 - 90,000; Full time

Benefits offered by this job

Competitive insurance

401k matching

Four free lunches per week

Employee activity fund

Pet-friendly office

Unlimited/Flex PTO

Job summary

Seasats in San Diego, CA is seeking a Junior Mechanical Engineer to join our in-house team building unmanned surface vessels. You’ll work closely with senior engineers on real design and fabrication tasks, gaining ownership over time.

This role involves CAD work in SolidWorks, fixture design, BOM updates, supplier communication, and supporting production improvements. You’ll grow in a fast-paced, startup-style environment with mentorship and a hands-on maritime focus.

Qualifications

• SolidWorks CAD experience and basic GD&T understanding.
• Foundational mechanical engineering knowledge and fabrication methods.
• Interest in maritime space and external vendor collaboration.
• Experience in startups or tight timelines is a plus.

Responsibilities

• Designing parts and assemblies under guidance from senior engineers.
• Supporting timeline and plan creation.
• Reviewing CAD models and maintaining configuration management.
• Designing CAD fixtures, tooling, and jigs.
• Communicating with suppliers and updating the BOM.
• Assisting production improvements and testing designs.

Skills

Self-starter

Strong communication

Attention to detail

GD&T knowledge

Fabrication methods

Startup environment experience

Education

Bachelor/Engineering degree (implied)

Tools

SolidWorks

Job description

Seasats in San Diego, CA is seeking a Junior Mechanical Engineer to join our in-house team building unmanned surface vessels. You’ll work closely with senior engineers on real design and fabrication tasks, gaining ownership over time.

This role involves CAD work in SolidWorks, fixture design, BOM updates, supplier communication, and supporting production improvements. You’ll grow in a fast-paced, startup-style environment with mentorship and a hands-on maritime focus.