Senior Mechanical Designer

MANTECH seeks a motivated, career and customer-oriented Senior Mechanical Designer to join our team. This position is onsite at Joint Expeditionary Base Little Creek–Fort Story, Virginia Beach, VA.

Responsibilities include but are not limited to:

• Develop and design complex mechanical components, fluid systems, propulsion layouts, and structural configurations for Navy small boats and combatant craft.

• Create detailed engineering drawings, schematics, and layouts using AutoCAD and SolidWorks.

• Perform design calculations and analyses, including mechanical load calculations, pipe sizing, fluid flow, and weight/stability assessments.

• Collaborate closely with engineering, product development, and waterfront technician teams to resolve design conflicts and validate concepts.

• Review, validate, and approve detailed engineering drawings, change orders, and technical specifications for accuracy and manufacturability (DFM).

• Ensure all designs meet strict regulatory, safety, industry, and military standards (e.g., ABYC, NAVSEA, and DoD codes).

• Oversee and participate in prototype development, testing, and failure troubleshooting for design and manufacturing issues.

• Maintain meticulous project documentation, configuration management records, and technical design histories.

• Requires occasional travel to Chesapeake, VA, and within the United States for site visits.

Minimum Qualifications:

• High School Diploma or GED

• 7+ years of specialized experience in mechanical design, preferably within a marine or naval defense environment.

• Expertise utilizing CAD software (AutoCAD and SolidWorks) to generate high-quality engineering drawings from "as-built" or conceptual documentation.

• Experience with manufacturing processes, materials science, and core mechanical engineering principles.

• Hands-on experience with analytical and troubleshooting, handling complex man