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Freelance R&D Mechanical Engineer Jobs (NOW HIRING)

Owens Corning

Engineer R & D

Granville, OH

PURPOSE OF JOB The Materials Engineer is key to securing continued production across Asphalt, Shingles, and Components by qualifying dual raw material sources. This position plays a key role in the ...

Lightera

R & D Engineer

Sturbridge, MA · On-site

Bachelor's degree in physics, Chemical Engineering, Materials Science, or asimilarfield. ADDITIONAL QUALIFICATIONS: (Preferred qualifications, certifications, and/or licenses) * 2+ years of ...

Apptronik

Staff Mechanical Engineer - R&D

Austin, TX · On-site

Bachelor's Degree in Mechanical Engineering (or equivalent experience) * 8+ years of experience in R&D-focused mechanical engineering roles * Preferred: experience on advanced robotics, NASA/DARPA ...

Sanhua

Mechanical Engineer

Auburn Hills, MI · On-site

The ideal candidate will have a Mechanical Engineering Degree a solid understanding MS office application, GD&T, mechanical drafting, DVP&R, DFMEA, and DRBFM methodologies. This person is patient ...

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How much do freelance r&d mechanical engineer jobs pay per year?

As of Jun 6, 2026, the average yearly pay for freelance r&d mechanical engineer in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What is the difference between Freelance R&D Mechanical Engineer vs Contract Mechanical Engineer?

AspectFreelance R&D Mechanical EngineerContract Mechanical Engineer
CredentialsTypically requires a degree in mechanical engineering, relevant certifications, and experience in R&DSimilar credentials, often with additional industry-specific certifications
Work EnvironmentIndependent, project-based, often remote or client-siteUsually on-site at client facilities or manufacturing plants for fixed contract periods
Employer & Industry UsageUsed by startups, research labs, and companies seeking specialized R&D expertiseEmployed by manufacturing firms, engineering consultancies, or as temporary staff

Freelance R&D Mechanical Engineers focus on innovative product development and research projects independently, while Contract Mechanical Engineers typically work on specific projects for a set period within a company or consultancy. Both roles require similar credentials but differ mainly in work setup and employment context.

What cities are hiring for Freelance R&D Mechanical Engineer jobs? Cities with the most Freelance R&D Mechanical Engineer job openings:
What are the most commonly searched types of R&D Mechanical Engineer jobs? The most popular types of R&D Mechanical Engineer jobs are:
What states have the most Freelance R&D Mechanical Engineer jobs? States with the most job openings for Freelance R&D Mechanical Engineer jobs include:
Freelance R D Mechanical Engineer jobs near you
Senior Mechanical Engineer Project Manager

Senior Mechanical Engineer Project Manager

RE/SPEC Inc.

Morgantown, WV • On-site

Full-time

Medical, Dental, Vision, Retirement

Posted 27 days ago

Job description

Company Description
Big challenges need bold thinkers.
If you're someone who sees problems as opportunities, you'll thrive here. RESPEC is 100% employee-owned, which means we take ownership of every challenge. Here, your ideas drive real solutions. Since 1969, we've tackled complex challenges in energy transition, infrastructure resilience, digital transformation, and sustainability.
At RESPEC, you'll work alongside clients to take on critical problems. Depending on your expertise, you might design infrastructure in remote locations, develop renewable energy solutions for global projects, or apply data-driven technology to improve mining and water systems.
We bring deep technical knowledge, real-world experience, and a commitment to work that matters. If you're looking for a place where your contributions have real impact, you'll fit right in.
Job Description
RESPEC seeks an experienced Senior Mechanical Engineer Project Manager to support our energy, wastewater, mining, and industrial projects.
The Senior Mechanical Engineer Project Manager leads the planning, design, and execution of complex mechanical engineering projects from proposal through final design, construction, and closeout. This role applies advanced engineering judgment to develop innovative, practical solutions while ensuring technical excellence, quality control, and compliance with applicable codes and standards. The position is responsible for defining project scope, budgets, schedules, and staffing plans; coordinating multidisciplinary teams; and providing technical leadership and mentorship to engineering staff. In addition to overseeing design and construction activities, this role serves as a key client interface, supports business development and proposal efforts, and contributes to RESPEC's growth through technical expertise, collaboration, and strategic problem-solving. Primary responsibilities include:
  • Independently evaluate, select and apply standard engineering techniques, procedures, and criteria on complex projects
  • Plan, schedule, conduct and/or coordinate detailed phases of project work
  • Complete projects from proposal to final design, including delegating work tasks to engineering and drafting staff
  • Make design recommendations, adaptations, and modifications
  • Provide final technical review and quality control of team work product
  • Develop project scope, budget, timeline and staff utilization in proposal preparation, particularly with respect to technical efforts
  • Perform calculations using engineering formulas and skills
  • Independently complete design work using computer-aided or manual drafting techniques or be able to delegate such work to staff engineers and designers
  • Prepare reports and correspondence concerning the direction of assigned projects
  • Serve as a technical advisor and mentor to junior level project team members
  • Devise new approaches to problems encountered
  • Participate in marketing, sales, and business development efforts
  • Perform sites assessments and construction oversight

We do not accept unsolicited resumes from third-party recruiters
Qualifications
Required:
  • Bachelor of science in mechanical engineering
  • 10+ years of related experience in mechanical engineering with an emphasis on energy or industrial projects, including piping and equipment design
  • West Virginia or Pennsylvania PE required, license in other states a plus
  • Experience:
    • in the Natural Gas or Refinery Industries or similar
    • leading project mechanical design
    • collaborating on multi-discipline projects
  • Excellent technical writing and communication skills
  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)
  • Self-motivated, energetic, and able to take on new tasks
  • Strong interpersonal skills and ability to work in a team
  • Detail oriented & well organized with demonstrated ability to meet deadlines
  • Solution focused
  • Strong verbal & written communication skills
  • Desire to learn and advance technical skills and understanding
  • Must possess a valid driver's license and maintain a clean driving record; position requires operating a company or personal vehicle during work hours for business-related travel

Preferred:
  • Experience with 3-D and 2-D mechanical drafting

Additional Information
Compensation: Salary depends on experience and expertise. Compensation includes a comprehensive fringe-benefits package. RESPEC is a 100% employee-owned company and employees are eligible for participation in the Employee Stock Ownership Plan (ESOP) after a qualifying period.
Featured benefits include:
  • Flexible Work Schedules
  • Paid Parental Leave
  • 401(k) & ESOP (with company match up to 4%)
  • Professional Development and Training
  • Tuition Reimbursement
  • Employee Assistance Program
  • Medical/Dental/Vision Insurance Plans

All your information will be kept confidential according to EEO guidelines.

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