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Contractual Design Fabrication Jobs (NOW HIRING)

Audubon Companies

Director of Fabrication

Houston, TX · On-site

Ensuring compliance with Audubon Engineering's design and quality requirements. * Manage project ... Ensure all deliverables are met according to project milestones and contractual obligations * Will ...

Jobtailor

Senior Mechanical Engineer

Mclean, VA · On-site

$90 - $140/hr

Providing technical guidance to personnel involved with producing design fabrication drawings ... Developing, releasing, and maintaining documentation in accordance with company and contractual ...

New

Astrion

Mechanical Engineer

Crestview, FL · On-site

Provides technical guidance to personnel involved with producing design fabrication drawings ... Develops, releases and maintains documentation in accordance with company and contractual ...

Astrion

Mechanical Engineer

Crestview, FL · On-site

Provides technical guidance to personnel involved with producing design fabrication drawings ... Develops, releases and maintains documentation in accordance with company and contractual ...

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All JobsContractual Design Fabrication Jobs

Contractual Design Fabrication information

What is the difference between Contractual Design Fabrication vs Structural Steel Fabricator?

AspectContractual Design FabricationStructural Steel Fabricator
CredentialsDesign certifications, CAD proficiencyWelding, fabrication certifications
Work EnvironmentDesign offices, fabrication sitesFabrication shops, construction sites
Employer & Industry UsageArchitectural, engineering firms, contractorsConstruction, infrastructure projects

Contractual Design Fabrication involves designing and planning projects, often working closely with clients and engineers, while Structural Steel Fabricators focus on physically building steel structures based on specifications. Both roles require technical skills but differ mainly in their focus on design versus physical fabrication.

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Contractual Design Fabrication jobs near you
Infographic showing various Contractual Design Fabrication job openings in the United States as of August 2026, with employment types broken down into 88% Full Time, 7% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Mechanical Design Engineer III

Nikkiso Cryogenic Industries

Escondido, CA • Hybrid

$83K - $153K/yr

Full-time

Re-posted 10 days ago

Job description

Nikkiso Clean Energy & Industrial Gases is a leading provider of high pressure and cryogenic systems, cryogenic pumps, heat exchangers, process systems, turboexpanders, and services for liquefied natural gas (LNG), liquefied hydrogen (LH2), compressed natural gas (CNG), compressed hydrogen (GH2) and industrial gases (LN2, LAr, LO2) industries. Applications include fueling stations, trailer loading systems, marine fuel system, LNG peak shaving, power generation, and virtual pipelines.

We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with $1.5 B USD in annual revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.


We are currently looking for a Mechanical Engineer III for our Nikkiso Applied Technology business unit in Escondido, CA. The ideal candidate will assist with mechanical calculations such as valve sizing, PSV sizing, pump/compressor sizing, pipe stress, flow modeling and mechanical design such as P&IDs, piping isometrics, pump skid design and trailer loading skid designs.  The position will require some project management as well that includes interfacing with the customer, providing schedule updates, and submitting all required project documentation. Typical projects involve cryogenic transfer systems and high pressure (20,000 psig) gas transfer systems. This is an inperson, onsite role that emphasizes direct collaboration with engineering, manufacturing, and field teams. Remote or hybrid work is not available.

Salary Range:

$83,821 To $153,600 Per Year


Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

  • Provide mechanical engineering design of cryogenic and high-pressure system. 
  • Ability to meet key performance indicators, including completing all contractual obligations on schedule and within budget.
  • Ability to work in team environment
  • Application of Engineering Design Codes, including but not limited to piping system design code and pressure vessel design codes. 
  • Responsible for component selection.
  • Perform thermodynamic and pipe flow calculations.
  • Support field start-up and commissioning activities, including on-site troubleshooting, system validation, and collaboration with operations and service teams.

  • Bachelor's Degree in Mechanical Engineering with 2 years experience or Master’s degree in Mechanical Engineering
  • Fluid transfer system knowledge (pump selection, pipe flow calculations, relief valve sizing)
  • Ability to read and develop P&ID
  • Familiarity with P&IDs
  • Familiarity with pump selection and pump operations
  • Working knowledge of system safety and risk assessment techniques (HAZOP, HAZID, What-If) and their integration into mechanical design and design reviews
  • Proficiency with AutoCAD, Inventor, or SolidWorks or similar software
  • Required Travel: Up to 25%

Preferred Experience

  • Masters’s degree in Mechanical Engineering
  • Cryogenic system design, fabrication, and start-up experience
  • High pressure system design, fabrication, and start-up experience
  • 5+ years of related experience in cryogenic or high-pressure systems 
  • Startup and Commissioning Experience
  • System Control Narrative Development
  • Centrifugal and positive displacement pump system selection and integration

Nikkiso is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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