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Freelance Boiler Design Engineer Jobs (NOW HIRING)

GFT.

Mechanical Design Engineer

Chicago, IL · On-site

$85K - $120K/yr

GFT is seeking a Mechanical Design Engineer to join our Building and Places Team in Chicago. This ... boilers, chillers) calculation routines and systems' documentation and familiarity with ASHRAE ...

GFT.

Mechanical Design Engineer

Chicago, IL · On-site

$85K - $120K/yr

GFT is seeking a Mechanical Design Engineer to join our Building and Places Team in Chicago. This ... boilers, chillers) calculation routines and systems' documentation and familiarity with ASHRAE ...

GFT.

Mechanical Design Engineer

Chicago, IL · On-site

$85K - $120K/yr

GFT is seeking a Mechanical Design Engineer to join our Building and Places Team in Chicago. This ... boilers, chillers) calculation routines and systems' documentation and familiarity with ASHRAE ...

X Energy LLC

Mechanical Design Engineer

Rockville, MD

$77K - $105K/yr

... Boiler & Pressure Vessel Code (BPVC) Section III and/or Section VIII. * Experience with NRC ... design assurance, and deliver high quality engineering work products. * Level Minimum ...

The Falcon Group

Mechanical Design Engineer

Manhattan, NY · On-site

$83K - $113K/yr

The Mechanical Design Engineer is responsible for performing various types of inspections, testing ... Boiler plant design. * Chiller plant design. * Ductwork sizing and layout. * Pumping and piping ...

X Energy LLC

Mechanical Design Engineer

Rockville, MD · On-site

$77K - $105K/yr

... Boiler & Pressure Vessel Code (BPVC) Section III and/or Section VIII. * Experience with NRC ... design assurance, and deliver high quality engineering work products. * Level Minimum ...

System One

Senior Mechanical Design Engineer

Bellevue, WA · Remote

$92K - $126K/yr

Senior Mechanical Engineer Location: Bellevue, WA Type: Contract Contractor Work Model: Remote ... Working experience with ASME Boiler & Pressure Vessel Code Section III. * Experience with Design ...

System One

Senior Mechanical Design Engineer

Bellevue, WA · Remote

$92K - $126K/yr

Senior Mechanical Engineer Location: Bellevue, WA Type: Contract Contractor Work Model: Remote ... Working experience with ASME Boiler & Pressure Vessel Code Section III. * Experience with Design ...

Protingent

Senior Mechanical Design Engineer

Bellevue, WA · On-site

$52 - $85/hr

Senior Mechanical Design Engineer Position Description: Protingent Staffing has an exciting ... Experience or familiarity with the rules of ASME Boiler Pressure Vessel Code Section III Division ...

Carrier

Senior Design Engineer- Controls (NORESCO)

FL · On-site +1

As a Senior Design Engineer- Controls at NORESCO, you'll work with our internal project teams and ... HVAC, Chilled Water, Boilers, Energy Storage, or other facility infrastructure projects.

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Freelance Boiler Design Engineer information

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How much do freelance boiler design engineer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for freelance boiler design engineer in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What are some common challenges faced by freelance boiler design engineers, and how can they be addressed?

Freelance boiler design engineers often encounter challenges such as managing varying client expectations, ensuring compliance with multiple industry standards, and coordinating effectively with remote teams. Staying updated with the latest codes (like ASME and EN standards) and maintaining strong communication with clients and project stakeholders are essential for project success. Building a reliable network of suppliers and collaborating with experienced professionals in related fields, such as structural and electrical engineers, can also help address technical and logistical issues that arise during boiler design projects.

What does a freelance boiler design engineer do?

A Freelance Boiler Design Engineer is responsible for designing, analyzing, and optimizing boiler systems for various industrial or commercial applications. They work independently, often on a contract basis, to create detailed technical drawings, select appropriate materials, and ensure compliance with safety and industry standards. Their tasks may also include consulting with clients, overseeing installations, and troubleshooting design issues. Freelance engineers must keep up with technological advancements and regulatory changes to deliver efficient and safe boiler systems.

What is the difference between Freelance Boiler Design Engineer vs Mechanical Design Engineer?

AspectFreelance Boiler Design EngineerMechanical Design Engineer
CredentialsRelevant engineering degree, boiler design certificationsEngineering degree, mechanical design certifications
Work EnvironmentFreelance projects, client sites, remote collaborationIn-house or consulting firms, office settings
Industry UsagePower plants, industrial facilities, boiler manufacturersVarious industries including manufacturing, automotive, aerospace

The Freelance Boiler Design Engineer specializes in designing boilers for specific client projects, often working independently or with contractors. In contrast, a Mechanical Design Engineer has a broader focus on mechanical systems across multiple industries, often working within a company or firm. Both roles require engineering credentials and design expertise, but their work environments and project scopes differ significantly.

What are the key skills and qualifications needed to thrive as a freelance boiler design engineer?

To thrive as a Freelance Boiler Design Engineer, you need a strong background in mechanical engineering, thermodynamics, and boiler system design, usually supported by a relevant engineering degree and professional licensure. Familiarity with CAD software, finite element analysis (FEA) tools, and industry standards such as ASME Boiler & Pressure Vessel Code is essential. Excellent problem-solving, project management, and client communication skills help you deliver custom solutions and manage client relationships effectively. These skills and qualifications are crucial for ensuring efficient, safe, and compliant boiler designs that meet client and regulatory requirements.
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What cities are hiring for Freelance Boiler Design Engineer jobs? Cities with the most Freelance Boiler Design Engineer job openings:
What are the most commonly searched types of Boiler Design Engineer jobs? The most popular types of Boiler Design Engineer jobs are:
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Freelance Boiler Design Engineer jobs near you
Infographic showing various Freelance Boiler Design Engineer 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, with an average salary of $99,230 per year, or $47.7 per hour.

Senior Mechanical Design Engineer

System One Holdings, LLC

Bellevue, WA • On-site

$52 - $85/hr

Full-time

Re-posted 22 days ago

Job description

Senior Mechanical Design Engineer (Core Components)
Location: Bellevue, WA
Job Type: Contract - Remote
Schedule: 40 hours/week
System One is seeking a highly motivated Senior Mechanical Design Engineer (Core Components) to support the design and development of advanced nuclear reactor technologies. This role focuses on the conceptual and preliminary design of reactor core components, reactor structures, and Nuclear Island equipment for next-generation nuclear energy systems.
The ideal candidate has extensive experience in mechanical equipment design, structural analysis, and product development, with the ability to collaborate across multidisciplinary engineering teams to deliver innovative engineering solutions.
Responsibilities
  • Develop mechanical design solutions for reactor core components, reactor structures, and Nuclear Island equipment.
  • Coordinate engineering requirements and inputs from cross-functional project teams to produce detailed designs, models, drawings, and engineering specifications.
  • Plan and execute design activities while maintaining project schedules and technical objectives.
  • Develop and support testing strategies to validate functional and performance requirements.
  • Perform design trade studies, feasibility evaluations, and scoping analyses.
  • Collaborate with structural, thermal, nuclear, manufacturing, and systems engineering teams throughout the design process.
  • Perform engineering reviews of drawings, calculations, analyses, and technical documentation.
  • Provide technical guidance and mentorship to engineers, designers, suppliers, and subcontractors.
  • Support continuous improvement initiatives and implement engineering best practices throughout the design lifecycle.
  • Participate in design reviews and resolve technical issues during development and manufacturing.

Required Qualifications
  • Bachelor's degree in Mechanical Engineering or a related engineering discipline.
  • Minimum 5 years of mechanical equipment or component design experience. Advanced degrees may be considered toward years of experience.
  • Experience developing mechanical designs using 3D CAD, preferably SolidWorks.
  • Experience designing and executing engineering test programs with an emphasis on product validation.
  • Strong background in finite element stress analysis, mechanical analysis methods, and first-principles engineering calculations.
  • Knowledge of Design for Manufacturability (DFM) and Design for Assembly (DFA) principles.
  • Strong analytical, problem-solving, and technical communication skills.
  • Ability to manage multiple engineering tasks and priorities simultaneously.
  • Excellent attention to detail and ability to work independently with minimal supervision.

Preferred Qualifications
  • Experience or familiarity with ASME Boiler & Pressure Vessel Code Section III, Division 5.
  • Mechanical design experience supporting commercial nuclear, advanced reactor, or other highly regulated industries.
  • Experience designing reactor core assemblies or other nuclear reactor components.
  • Knowledge of DOE and NRC regulations.
  • Working knowledge of neutronics, thermal-hydraulics, and structural analysis.
  • Experience leading multidisciplinary engineering design efforts.
  • Experience performing finite element analysis using ANSYS.
  • Experience developing nuclear equipment test plans, test requirements documents, and qualification programs.
  • Experience supporting manufacturing processes, first article production, and design for production.
  • Experience evaluating suppliers, reviewing technical deliverables, and resolving vendor nonconformances.

Additional Information
  • Travel: Up to 5%
  • Work Environment: Standard office environment.
  • Physical Requirements: Ability to sit or stand for extended periods, perform computer-based work, and lift up to 25 pounds as needed.

Ref: #161-Managed Staffing Charlotte

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