Mechanical Design Engineer Jobs in Rockville, United States

Search through 16 Mechanical Design Engineer jobs in Rockville, United States

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Senior Mechanical HVAC Designer

Jacobs

$103K - $135KFull Time

Design HVAC systems for heavy industrial facilities, leading projects and coordinating teams.

Rockville, MD

3 days ago

Office Full-Time

concept design

design calculations

afds

autocad

carrier hap

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Senior Mechanical HVAC Designer

Jacobs

$103K - $135KFull Time

Design HVAC systems for heavy-industrial projects, including calculations and Revit coordination.

Silver Spring, MD

4 days ago

Office Full-Time

conceptual design

preliminary design

airflow diagrams

autocad

carrier hap

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Process Mechanical Intern - Summer 2026

Jacobs

$40K - $60KInternship

Assist engineers with design, docs, and construction support for water/wastewater facilities.

Silver Spring, MD

7 days ago

Office Full-Time

design coordination

construction docs

submittal review

eit

bluebeam

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Process Mechanical Intern - Summer 2026

Jacobs

$40K - $60KInternship

Summer intern supporting design and construction of water and wastewater facilities.

Silver Spring, MD

8 days ago

Office Full-Time

design coordination

submittal review

specification writing

eit/ei

autocad

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Mechanical Design Engineer

Actalent

$55 - $85Contractor

Design and develop mechanical systems for a nuclear reactor.

Rockville, MD

9 days ago

Onsite

cad modeling

system analysis

analytical calculations

ug/nx

solidworks

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Mechanical Design Engineer

Actalent

$55 - $85Contractor

Design mechanical systems for nuclear reactors

Rockville, MD

9 days ago

Onsite

cad modeling

systems analysis

analytical calculations

ug/nx

solidworks

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Contractor - Refueling & Remote Handling Engineer

Nuscale Power

Lead design and development of nuclear refueling and remote handling tooling and systems.

United States

NaNy

Remote

system engineering

tool design

inspection systems

b.s.

advanced degree

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Engineer III, Plant & Process Design

X-Energy

$99K - $165KFull Time

Design and develop mechanical systems/components for nuclear plant projects.

Rockville, Maryland, United States

NaNy

Office Full-Time

mechanical design

thermal analysis

cad modeling

mechanical engineering

bachelor's

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Refueling & Remote Handling Engineer 3

Nuscale Power

$98K - $153KContractor

Design and develop remote handling tools for nuclear reactor refueling.

United States

NaNy

Remote

tool design

engineering docs

standards development

bs engineering

pe license

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Senior Engineer, Product Design and Engineering - Mechanical

Baker Hughes

Lead NPD/NTD projects, design pressure safety valves, manage cross‑functional teams.

United States

NaNy

Office Full-Time

model repository

tech docs

prototype testing

10+ years

msc mechanical

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