Naval Architecture Intern

Gibbs & Cox, a wholly owned subsidiary of Leidos, is the largest independent naval architecture and marine engineering firm in the United States. Since our founding in 1929, 24 classes of combatants and nearly 7,000 vessels have been built to Gibbs & Cox designs. We proudly support military and commercial clients in the U.S. and internationally with all phases of marine design, construction, and lifecycle management. Our passion is solving our customers’ 21st century maritime challenges with quality and integrity.

As a Naval Architecture Intern in the naval architecture department, you will tackle new and evolving ship design and integration engineering challenges by applying naval architecture principles, techniques, calculations, procedures, and criteria. The projects executed within the team cover the full range of ship design phases from conceptual design through detail design, and post-delivery support. Your contributions will directly support the continued maturation of ship design solutions across all phases of design.

Primary Responsibilities:

Work with hydrostatics including weight estimates and intact/damage stability assessments.

Work with hydrodynamics such as hull design, resistance predictions, and seakeeping assessments.

Work with arrangements such as general arrangements, compartment outfitting, aviation integration, and topside integration.

Preparing and presenting technical reports and engineering documentation.

Basic Qualifications:

Pursuing a bachelor’s degree in Naval Architecture or Marine Engineering.

Proficiency in naval architecture software tools such as RHINO, GHS, SHCP, NavCAD, AutoCAD, and/or Microsoft Office Suite.

Strong written and oral communication skills.

Strong time management and organizational skills as an independent contributor.

Ability to obtain and maintain a Secret Security Clearance. Active Secret Security Clearance preferred.

U.S. Citizenship required.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.