Greywright

Associate Mechanical Engineer

Design EngineeringPosted on Nov 10

Full-timeBoston, MA, USA

About the Job

Requirements

A B.S. in Mechanical, Marine, or Ocean Engineering, or a related field, is required.
The candidate must have 1–4 years of mechanical design experience, including experience through internships, co-ops, or engineering project teams.
The candidate must have expert-level skill in SolidWorks and/or Autodesk tools such as Inventor, Fusion 360, or AutoCAD, including large assemblies, sheet metal, weldments, and surfacing.
The candidate must have strong drawing skills and working knowledge of geometric dimensioning and tolerancing (GD&T) and tolerance stack-ups.
The candidate must provide a portfolio of hardware designed and built through work, school, competition teams, or personal projects.
The candidate must understand manufacturing methods such as machining, sheet metal fabrication, welding, and 3D printing.
The candidate must be comfortable working in the shop and on boats.
The candidate must be willing to travel up to 50% of the time when needed.
The role requires U.S. person status, as defined by 22 CFR 120.62, to access ITAR/EAR-controlled data.

Responsibilities

Build and maintain 3D CAD models and large assemblies for vessel structures, equipment mounts, enclosures, and payload integration.
Produce fabrication-ready drawings with clear GD&T, tolerances, and bills of materials.
Iterate with engineers to turn sketches, markups, and requirements into clean, manufacturable designs.
Manage CAD data, including part numbering, revision control, and product data management/product lifecycle management (PDM/PLM) workflows.
Maintain and improve CAD standards, templates, and part libraries for the team.
Prepare models for analysis, 3D printing, machining, and sheet metal fabrication.
Support finite element analysis (FEA) and design reviews under the guidance of senior engineers.
Work with machine shops and fabricators to resolve build questions, and help assemble and install hardware in the shop and on the water.

Desired Qualifications

CSWA, CSWP, or Autodesk professional certification is desirable.
Eligibility to obtain a U.S. Secret or higher security clearance is desirable; an active clearance is not required.
Experience with PDM/PLM systems such as SolidWorks PDM or Autodesk Vault is desirable.
Exposure to FEA tools such as SolidWorks Simulation or ANSYS is desirable.
Familiarity with marine materials, corrosion, and sealing is desirable.
Experience on student competition teams such as RoboBoat, Formula SAE, or Solar Splash is desirable.
A background with uncrewed or autonomous vehicles is desirable.

Associate Mechanical Engineer

Greywright Inc · Boston, United States (Hybrid) · Full-time · Posted 2026-10-31

Salary: USD 95,000–120,000

Workplace: hybrid

Description

Greywright is hiring an Associate Mechanical Engineer to help build out and improve on mechanical designs for autonomous vessels, turning engineering concepts into precise, buildable designs. You will be the team's CAD expert, building and managing the 3D models, assemblies, and drawings that take mounts, enclosures, structures, and payload integrations from idea to fabrication.

You will work alongside our senior mechanical engineer, mechanical engineer, and naval architect, learning marine design from experienced engineers while owning the CAD for real hardware that goes to sea.

What you'll do

Build and maintain 3D CAD models and large assemblies for vessel structures, equipment mounts, enclosures, and payload integration.
Produce fabrication-ready drawings with clear GD&T, tolerances, and bills of materials.
Iterate quickly with engineers, turning sketches, markups, and requirements into clean, manufacturable designs.
Manage CAD data, including part numbering, revision control, and PDM/PLM workflows.
Maintain and improve CAD standards, templates, and part libraries for the team.
Prepare models for analysis, 3D printing, machining, and sheet metal fabrication.
Support FEA and design reviews under the guidance of senior engineers.
Work with machine shops and fabricators to resolve build questions, and help assemble and install hardware in the shop and on the water.

Requirements

What you bring

B.S. in Mechanical, Marine, or Ocean Engineering, or a related field.
1–4 years of mechanical design experience, including internships, co-ops, or engineering project teams.
Expert-level skill in SolidWorks and/or Autodesk tools (e.g., Inventor, Fusion 360, AutoCAD), including large assemblies, sheet metal, weldments, and surfacing.
Strong drawing skills and working knowledge of GD&T and tolerance stack-ups.
A portfolio of hardware you have designed and built, from work, school, competition teams, or personal projects.
Understanding of manufacturing methods such as machining, sheet metal, welding, and 3D printing.
Hands-on attitude and comfort working in the shop and on boats.
Willingness to travel up to 50% of the time when needed.
This role requires access to ITAR/EAR-controlled data; U.S. person status is required as defined by 22 CFR 120.62.

Nice to have

CSWA, CSWP, or Autodesk professional certification.
Eligibility to obtain a U.S. Secret or higher security clearance; an active clearance is not required.
Experience with PDM/PLM systems (e.g., SolidWorks PDM, Autodesk Vault).
Exposure to FEA tools (e.g., SolidWorks Simulation, ANSYS).
Familiarity with marine materials, corrosion, and sealing.
Experience on student competition teams (e.g., RoboBoat, Formula SAE, Solar Splash).
Background with uncrewed or autonomous vehicles.

Benefits

Meaningful early-stage equity.
Great health, dental, and vision insurance.
Unlimited vacation.

Apply

Apply at Greywright Inc

About the Company

Greywright

Company size: Not listed
Company stage: Not listed
Total funding: Not listed
Headquarters: Not listed
Founded: Not listed

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