Senior Mechanical Engineer
Seasats · San Diego, CA · United States · On-site
Pay: USD 120,000 – 160,000 a year
Posted Aug 11, 2026
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Role: Senior Mechanical Engineer
Location: San Diego, CA
Salary: $120,000 - $160,000 / yr + stock options, 401k matching, and other benefits
Role Overview: Seasats deploys unmanned surface vessels (USVs) on multi-month missions that rely on top-quality mechanical systems. Our mechanical engineering team designs and builds these systems, providing customers with products they can count on. Our team has grown to keep pace with rapidly multiplying projects, and now we’re looking to recruit a senior engineer. This person will remove bottlenecks and execute plans, work with mechanical and vehicle design leadership, and mentor and coach junior engineers.
Role Details: Each person on this team has a lot of autonomy and responsibility. Some tasks will include:
Designing parts and assemblies
Working with junior engineers
Assisting in timeline and plan creation
Shaping design and organizational processes within the engineering team
Reviewing, detailing, and configuration management of CAD models
Designing (CAD) fixtures, tooling, jigs
Sourcing and communicating with suppliers
Filling out vehicle BOM and evaluating production/procurement options
Searching for speed and process refinements to increase production efficiency
Assembly and Q&A of incoming parts from external suppliers
Testing new and existing designs of components of the vehicles
About You: You’re a self-starter, an expert in mechanical engineering and fabrication, and have experience in the maritime space. Specifically, you have:
5+ years of experience working on high performance and/or high volume parts in a team environment
A high degree of individual autonomy and a get-stuff-done attitude
Expertise in Solidworks
A deep understanding of mechanical engineering, structures, assembly and DFM trade offs, and fabrication methods
Maritime background from extensive work and/or play on and around the ocean
An understanding of how different manufacturing processes (i.e. CNC milling, 3D printing, waterjet, etc.) affect design
Experience working in smaller mechanical engineering teams
The ability to take a napkin sketch, create a first draft CAD model, receive feedback from the team and proceed iteratively
Experience with outsourcing parts to external vendors/fabricators
Communication skills – with vendors and internal team
Organizational skills – tracking BOMs, following up with suppliers etc.
Attention to detail – understanding of GD&T, creating drawings for suppliers, etc.
Experience in startups, competitions, or similarly tight-timeline settings
Basic understanding of electrical and software needs for electro-mechanical systems
Experience with combustion engines and hybrid systems
Experience in maritime systems engineering and integration
Due to export control requirements applicable to this position, we are only able to consider U.S. persons, as defined by U.S. export control laws. This includes U.S. citizens, lawful permanent residents, and individuals…