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Mechanical Engineer 3 Jobs (NOW HIRING)

ColeBreit Engineering LLC

Mechanical Engineer III

Bend, OR · On-site

$90K - $110K/yr

Summary/Objective The Mechanical Engineer III plays a key role in executing high-quality mechanical design and supporting project delivery across ColeBreit Engineering's diverse portfolio. This ...

DLB Associates

Mechanical Engineer III

$104K/yr

Mechanical Engineer III Position Location: Remote - work virtually from anywhere in the United States Job Summary Positions are available in our Mission Critical Department which focus primarily on ...

S&C

Mechanical Engineer III

Palatine, IL · On-site

$106K - $140K/yr

Join Our Team as a Mechanical Engineer III! Are you passionate about Mechanical Engineering ? S&C Electric Company is seeking a dynamic individual to coordinate our engineering function. As a ...

Birdon America, Inc.

Mechanical Engineer III

Denver, CO · On-site

$99K - $119K/yr

Mechanical Engineer III This position is located on-site in our Denver, CO corporate Office Mechanical Engineer Level III designs and develops mechanical parts, components, and equipment and provide ...

ZAP Engineering

Mechanical Engineer 3

Lakewood, CO · On-site

Mechanical Engineer 3 DEPARTMENT: Mechanical REPORTS TO: Mechanical Director/Supervisor FLSA: Exempt, Full-Time WORK SCHEDULE: M-F 8 AM to 5 PM TRAVEL REQUIRED: Up to 20% LOCATION: Lakewood, Colorado ...

DES

Mechanical Engineer III

Ladson, SC

The Mechanical Engineer III is responsible for the design, development, building, and testing of mechanical systems. This role will report to the Program Manager and independently provide technical ...

Kraken Kinetics

Mechanical Engineer III

West End, NC · On-site

$118K - $140K/yr

The Mechanical Engineer III will lead critical mechanical design efforts, mentor junior engineers, and help shape engineering standards and processes as the organization grows. This position is hands ...

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Mechanical Engineer 3 information

See salary details

$45.5K

$102.9K

$166.5K

How much do mechanical engineer 3 jobs pay per year?

As of Jun 9, 2026, the average yearly pay for mechanical engineer 3 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 are the key skills and qualifications needed to thrive as a Mechanical Engineer 3, and why are they important?

To thrive as a Mechanical Engineer 3, you need a solid background in mechanical design, problem-solving, and engineering analysis, typically with a bachelor’s degree in mechanical engineering and several years of experience. Familiarity with CAD software (such as SolidWorks or AutoCAD), finite element analysis tools, and project management systems is often required, along with relevant certifications like a PE license. Strong communication, teamwork, and project leadership skills help you effectively collaborate and mentor junior engineers. These capabilities are crucial for delivering high-quality engineering solutions and managing complex projects efficiently.

How does a Mechanical Engineer 3 typically collaborate with cross-functional teams during project development?

As a Mechanical Engineer 3, you'll frequently work with cross-functional teams such as electrical engineers, manufacturing specialists, and project managers to ensure all design aspects align with overall project goals. This collaboration often involves participating in design reviews, providing technical input, and coordinating with other departments to resolve integration challenges. Effective communication and teamwork are essential, as you'll be expected to both guide junior engineers and consult with senior staff. Your ability to manage interdisciplinary feedback and maintain project timelines will be key to your success in this role.

What jobs make $3,000 a month without a degree?

Mechanical engineers typically require a degree, but some related roles such as HVAC technicians, industrial machinery mechanics, or certain skilled trades can earn around $3,000 a month with vocational training or certifications. These jobs often involve hands-on work, technical skills, and on-the-job experience rather than formal college degrees.

What are Mechanical Engineer 3s?

A Mechanical Engineer 3 is a mid- to senior-level mechanical engineering professional who typically has several years of experience in designing, developing, testing, and overseeing the manufacturing of mechanical devices or systems. They are often responsible for complex engineering projects, providing technical guidance to junior engineers, and ensuring that designs meet safety, quality, and regulatory standards. Mechanical Engineer 3s may also be involved in project management, process optimization, and collaboration with cross-functional teams to deliver solutions. Their role requires strong analytical skills, proficiency with engineering software, and a solid understanding of mechanical principles.

What is the difference between Mechanical Engineer 3 vs Mechanical Engineer 2?

CriteriaMechanical Engineer 3Mechanical Engineer 2
Required CredentialsBachelor's degree in Mechanical Engineering; Professional Engineer (PE) license often preferredBachelor's degree in Mechanical Engineering; PE license may be optional
Work EnvironmentDesign, analysis, testing in manufacturing, automotive, aerospace industriesSimilar environments, often with more supervision or entry-level tasks
Employer & Industry UsageUsed across engineering firms, manufacturing companies, and government agenciesCommonly used in the same sectors, typically for less experienced roles

Mechanical Engineer 3 typically has more experience, responsibilities, and often a PE license, compared to Mechanical Engineer 2. The role involves more complex projects and independent work, whereas Mechanical Engineer 2 may focus on supporting tasks under supervision.

More about Mechanical Engineer 3 jobs
What cities are hiring for Mechanical Engineer 3 jobs? Cities with the most Mechanical Engineer 3 job openings:
What states have the most Mechanical Engineer 3 jobs? States with the most job openings for Mechanical Engineer 3 jobs include:
What job categories do people searching Mechanical Engineer 3 jobs look for? The top searched job categories for Mechanical Engineer 3 jobs are:
Mechanical Engineer 3 jobs near you
Infographic showing various Mechanical Engineer 3 job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.
Mechanical Engineer III

Mechanical Engineer III

Sterling Engineering Inc.

Worcester, MA

$136K - $189K/yr

Contractor

Medical, Dental, Vision, Retirement, PTO

Posted 7 days ago

Job description

Title: Mechanical Engineer III / Principal Mechanical Engineer
Company: Sterling Engineering
Location: Portland, ME; Worcester, MA; Plymouth, MA
Hire Type: Direct Hire or Contract-to-Hire
Compensation: $136,000 - $189,000 based on experience


Overview: Sterling Engineering is partnering with a growing engineering organization seeking an experienced Mechanical Engineer III or Principal Mechanical Engineer to provide technical leadership and engineering expertise on complex industrial, infrastructure, utility, and energy-related projects. This role will support LNG, RNG, natural gas transmission, and distribution projects while leading engineering activities from planning and design through project execution. The ideal candidate will be a licensed Professional Engineer with strong project leadership skills, technical expertise, and experience working in multidisciplinary engineering environments.

Key Responsibilities:
• Lead the planning, design, and execution of engineering projects while maintaining quality, efficiency, and safety standards.
• Provide technical leadership and oversight for engineering projects and disciplines.
• Conduct field visits, site assessments, and construction coordination activities.
• Review engineering designs, calculations, specifications, reports, and supporting documentation for technical accuracy and compliance.
• Identify project risks, engineering issues, and deficiencies while implementing corrective actions and solutions.
• Participate in proposal preparation, project planning, budgeting support, and scope development.
• Coordinate with internal teams, contractors, vendors, clients, and regulatory agencies throughout project execution.
• Support project scheduling, forecasting, cost tracking, and resource planning activities.
• Mentor and provide technical guidance to engineers, designers, drafters, and field personnel.
• Support quality assurance and quality control initiatives.
• Assist with recruiting, onboarding, training, and development of engineering staff.
• Drive continuous improvement initiatives, engineering best practices, and technology enhancements.

Qualifications:
• Minimum 10 years of progressive engineering experience.
• Experience supporting industrial, infrastructure, construction, manufacturing, utility, or energy-related projects.
• Strong knowledge of LNG, RNG, natural gas transmission, and distribution systems preferred.
• Field, operations, commissioning, maintenance, or construction experience strongly preferred.
• Demonstrated leadership experience directing engineering teams and multidisciplinary project efforts.
• Experience developing project scopes, technical proposals, cost estimates, and project budgets.
• Strong problem-solving, organizational, communication, and project management skills.
• Ability to effectively communicate technical information to clients, stakeholders, and project teams.
• Valid driver's license required for project-related travel and field work.

Education/Certifications:
• Bachelor's Degree in Mechanical Engineering required.
• Master's Degree in Engineering, Business, or related field preferred.
• Professional Engineer (PE) License required.

Technical Skills:
• Microsoft Office Suite
• Advanced knowledge of mechanical engineering principles, methods, standards, and practices

Benefits:
Insurance (Medical, Dental, Vision), PTO, 401(k) Plan

Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information.