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Freelance Mechanical Engineer Pe Jobs in Decatur, GA

Tetra Tech, Inc.

Mechanical Engineer, PE

Atlanta, GA · On-site

Tetra Tech is adding a Mechanical Engineer, PE to our teams in Atlanta. Why Tetra Tech: At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading ...

Tetra Tech

Mechanical Engineer, PE

Atlanta, GA

Tetra Tech is adding a Mechanical Engineer, PE to our teams in Atlanta. Why Tetra Tech: At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading ...

exp Federal

Mechanical Engineer, PE

Atlanta, GA · On-site

$119K - $142K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mechanical Engineer, PE - Mid-Level Location: Atlanta, GA, Chicago, IL or Washington D.C. (Chantilly, VA) Exp Federal delivers full-service Architecture & Engineering services, construction, and ...

MAG Aerospace

Mechanical Engineer

Atlanta, GA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Position Summary The Mechanical Engineer is a licensed Professional Engineer (PE) who specifies, designs, and seals mechanical drawings for government facilities, including secure and sensitive ...

MAG Aerospace

Mechanical Engineer

Atlanta, GA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Position Summary The Mechanical Engineer is a licensed Professional Engineer (PE) who specifies, designs, and seals mechanical drawings for government facilities, including secure and sensitive ...

MAG Aerospace

Mechanical Engineer

Atlanta, GA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

The Mechanical Engineer is a licensed Professional Engineer (PE) who specifies, designs, and seals mechanical drawings for government facilities, including secure and sensitive facilities, and ...

Superior Rigging

Engineer (PE)

Atlanta, GA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Bachelor's degree in civil engineering, Structural Engineering, Mechanical Engineering, or a related engineering discipline. * Active Professional Engineer (PE) license. * Georgia PE license or ...

Superior Rigging and Erecting Co

Engineer (PE)

Atlanta, GA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Bachelor's degree in civil engineering, Structural Engineering, Mechanical Engineering, or a related engineering discipline. * Active Professional Engineer (PE) license. * Georgia PE license or ...

Superior Rigging and Erecting Co

Engineer (PE)

Atlanta, GA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Bachelor's degree in civil engineering, Structural Engineering, Mechanical Engineering, or a related engineering discipline. * Active Professional Engineer (PE) license. * Georgia PE license or ...

Superior Rigging and Erecting Co

Engineer (PE)

Atlanta, GA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Bachelor's degree in civil engineering, Structural Engineering, Mechanical Engineering, or a related engineering discipline. * Active Professional Engineer (PE) license. * Georgia PE license or ...

Raymond

Mechanical Engineer

Conyers, GA · On-site +1

Mechanical Engineer Location: Conyers, GA / Remote (Hybrid options available) About Raymond: We are ... Professional Engineer (PE) licensure in the United States or ability to obtain licensure.

Raymond

Mechanical Engineer

Conyers, GA · On-site +1

Mechanical Engineer Location: Conyers, GA / Savannah, GA / Remote (Hybrid options available) About ... Professional Engineer (PE) licensure in the United States or ability to obtain licensure.

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All JobsMechanical Engineer Pe JobsFreelance Mechanical Engineer Pe JobsFreelance Mechanical Engineer Pe Jobs in Decatur, GA

Freelance Mechanical Engineer Pe information

See Decatur, GA salary details

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$32

$53

How much do freelance mechanical engineer pe jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for freelance mechanical engineer pe in Decatur, GA is $32.41, according to ZipRecruiter salary data. Most workers in this role earn between $26.30 and $36.63 per hour, depending on experience, location, and employer.

What is a freelance mechanical engineer PE?

A Freelance Mechanical Engineer PE is a licensed Professional Engineer (PE) who works independently rather than as an employee of a single company. They provide mechanical engineering services on a contract basis, often for multiple clients, and may handle projects such as equipment design, HVAC systems, or product development. Their PE license demonstrates that they have met rigorous education, experience, and examination requirements, allowing them to approve engineering plans and take legal responsibility for their work. Freelance Mechanical Engineers often enjoy flexible work schedules and the ability to select their own projects. However, they are also responsible for managing their own business operations and client relations.

What are the key skills and qualifications needed to thrive as a freelance mechanical engineer PE?

To thrive as a Freelance Mechanical Engineer PE, you need a strong background in mechanical engineering principles, a Professional Engineer (PE) license, and experience in design and analysis. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and relevant industry codes is typically required. Excellent communication, project management, and problem-solving skills help you excel in client-facing and independent work environments. These competencies are crucial for delivering quality solutions, ensuring regulatory compliance, and building a strong reputation as an independent professional.

What are some common challenges freelance mechanical engineers with a PE license face when working independently?

Freelance Mechanical Engineers with a PE license often encounter challenges such as managing multiple projects with varying scopes and deadlines, ensuring compliance with local and national engineering standards, and effectively communicating technical concepts to clients who may not have an engineering background. Additionally, freelancers must handle their own business development, project proposals, and administrative tasks, which can be time-consuming. Collaborating with remote teams or clients also requires strong project management skills and digital communication proficiency.

What is the difference between Freelance Mechanical Engineer Pe vs Mechanical Designer?

AspectFreelance Mechanical Engineer PeMechanical Designer
CredentialsPE license often requiredTypically no PE license needed
Work EnvironmentConsulting, project-based, independentDesign offices, corporate settings
Industry UsageEngineering consulting, project managementProduct development, CAD design
Search/Comparison IntentProject scope, licensing, independenceDesign tools, CAD skills, industry focus

Freelance Mechanical Engineer Pe professionals often hold a PE license and work independently on engineering projects, focusing on consulting and project management. Mechanical Designers typically do not require a PE license and work within design teams using CAD tools for product development. The key difference lies in licensing, scope of work, and work environment, with Freelance Mechanical Engineers Pe emphasizing independent consulting and licensing, while Mechanical Designers focus on design execution within organizations.

What are popular job titles related to Freelance Mechanical Engineer Pe jobs in Decatur, GA?

For Freelance Mechanical Engineer Pe jobs in Decatur, GA, the most frequently searched job titles are:

What job categories do people searching Freelance Mechanical Engineer Pe jobs in Decatur, GA look for?

The top searched job categories for Freelance Mechanical Engineer Pe jobs in Decatur, GA are:

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Cities near Decatur, GA with the most Freelance Mechanical Engineer Pe job openings:

Freelance Mechanical Engineer Pe jobs near you

Mechanical Engineer, PE

Tetra Tech, Inc.

Atlanta, GA • On-site

Full-time

Re-posted 22 days ago

Tetra Tech rating

6.4

Company rating: 6.4 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

403rd of 449 rated engineering

Job description

The Opportunity:
Tetra Tech is adding a Mechanical Engineer, PE to our teams in Atlanta.
Why Tetra Tech:
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.
Your Impact:
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.
Position Summary:
As a Mechanical Engineer, you'll contribute to mechanical systems design for industrial, commercial, wastewater, and water facilities. Your work will span system expansions, total replacements, and new facility construction. This person will work closely with project managers and mechanical leadership to assist with the development of design documents including engineering reports, calculations and analysis, drawings, specifications, and the engineer's opinion of probable construction costs.
As a member of the Tetra Tech Mechanical Team, you will encounter exceptional growth opportunities. Tetra Tech is dedicated to investing in its people, offering support for a variety of career paths.
Essential Job Functions:
The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions:
  • You will lead mechanical system designs from concept phase through construction with the assistance of an EIT including the development of construction documents.
  • Perform HVAC load calculations, energy models, life cycle cost analysis, and ventilation calculations in compliance with applicable codes and energy efficiency standards.
  • Size equipment and develop layouts for HVAC (airside and hydronic) and plumbing systems.
  • Review and edit construction specifications using MasterSpec for each applicable project.
  • Participate in construction administration. Responsibilities include responding to contractor RFIs, reviewing shop drawings, and handling construction submittals. Conduct construction site field observations and prepare punch lists during various stages of construction.

Required Qualifications:
  • 5 to 10 years in mechanical design, specifically related to design and construction documentation for mechanical, plumbing and performance-based fire protection systems in new and existing facilities.
  • Bachelor's degree in mechanical engineering or a related field.
  • Professional Engineer (PE) License.
  • Familiarity with building codes, ASHRAE design manuals and guides, and USGBC LEED requirements, specifically for new or existing facilities.
  • Basic knowledge of building mechanical equipment is desired. Some examples include fans, chillers, cooling towers, air handlers, chilled and hot water loops, boilers, motors, pumps, variable speed drives, direct digital temperature controls and building automation systems. Plumbing and/or performance fire-protection experience also desired.

Preferred Qualifications:
  • REVIT/BIM and AutoCAD experience.

Physical Requirements:
  • Ability to remain in a stationary position for extended periods while working at a computer.
  • Ability to move about in an office environment to access files, equipment, and meet with colleagues.
  • Ability to visit active construction sites, which may involve walking on uneven terrain, climbing stairs or ladders, standing for extended periods, and navigating areas with limited accessibility.
  • Ability to lift and carry up to 25 pounds of drawings, field equipment, or related materials as needed.
  • Ability to observe details during site visits, including mechanical systems, equipment installations, and construction activities.
  • Ability to communicate clearly in person, over the phone, and in writing

Work Environment / Environmental Factors:
  • Work is primarily performed in a professional office setting with standard office equipment and typical environmental conditions (e.g., climate-controlled space, moderate noise levels).
  • Periodic work is performed at construction sites, industrial facilities, or municipal infrastructure locations. These environments may involve exposure to:
  • Varying weather conditions
  • Noise, dust, or mechanical equipment
  • Uneven surfaces or confined spaces
  • Active construction activity requiring use of appropriate personal protective equipment (PPE)
  • Travel to project sites, client meetings, or other offices may be required.
  • The role may require adherence to site-specific safety protocols and the use of PPE, such as hard hats, safety glasses, high-visibility vests, gloves, or protective footwear.

Additional Information
  • This position requires periodic travel, approximately 15% or more

Life at Tetra Tech:
The perks of working at Tetra Tech include:
  • Comprehensive and market-competitive benefits.
  • Merit-based financial rewards.
  • Flexibility and company-wide commitment to work/life balance.
  • Collaborative team atmosphere that values the contributions of all employees.
  • Learning and development opportunities for ongoing professional growth.

About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.
We invite applications from all interested parties.
Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
X (Twitter): @TetraTechJobs

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