Mechanical Engineering Technician Jobs in USA with Visa Sponsorship
Mechanical Engineering Technician jobs attract H-1B visa, TN visa, and EB-3 sponsorship from manufacturers, defense contractors, and industrial firms across the U.S. Employers routinely file Labor Condition Applications for these roles, and USMCA-listed engineering technician occupations give Canadian and Mexican candidates a faster TN visa path without the H-1B lottery.
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Get Access To All JobsWork Schedule
Standard (Mon-Fri)
Environmental Conditions
Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Fluctuating Temps hot/cold, Loud Noises (Equipment/Machinery), Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.)
Job Description
As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.
How will you make an impact?
As an R&D – Mechanical Engineering Prototype Technician, Technology Center, you will provide hands-on technical support for rapid prototyping, refrigeration system assembly, engineering builds, and test-model preparation supporting the development and evaluation of cold storage and laboratory equipment.
In this role, you will work closely with R&D engineers and Technology Center technicians to fabricate, assemble, modify, instrument, and troubleshoot prototype refrigeration and mechanical systems throughout the New Product Development (NPD) process. Your primary focus will be preparing functional test models for engineering performance, verification, and reliability evaluations, including refrigeration circuit assembly, brazing, refrigerant charging, and instrumentation.
Your technical skills will help engineering teams rapidly build, test, troubleshoot, and improve new products while ensuring prototype systems are prepared safely, accurately, and efficiently for engineering evaluation.
What will you do?
Safety, Laboratory & Equipment Management
- Maintain a safe work environment and demonstrate a high level of safety awareness when working with refrigeration systems, refrigerants, pressurized components, electrical equipment, and prototype products.
- Follow established safety procedures for brazing, refrigerant handling, pressure testing, evacuation, charging, and operation of refrigeration systems.
- Maintain an organized laboratory environment through 5S, Gemba walks, standard work, and good laboratory practices.
- Properly maintain tools, fabrication equipment, instrumentation, and refrigeration service equipment.
- Assist the Mechanical Prototype Lab Supervisor with inventory management, consumables, materials, and laboratory equipment readiness.
Mechanical Prototyping & Refrigeration System Assembly
- Fabricate, assemble, modify, and troubleshoot prototype mechanical and refrigeration systems supporting cold storage and laboratory equipment development.
- Perform refrigeration circuit assembly, including tubing preparation, bending, fitting, brazing, leak testing, evacuation, and refrigerant charging in accordance with engineering specifications and established procedures.
- Install and integrate refrigeration components including compressors, condensers, evaporators, heat exchangers, expansion devices, filters, tubing, fans, and related system components.
- Support prototype development of conventional and cascade refrigeration systems used in temperature-controlled and ultra-low temperature (ULT) products.
- Perform mechanical fabrication, sheet metal modifications, component mounting, and assembly activities using engineering drawings, CAD models, and work instructions.
- Support prototype electrical wiring, sensor installation, and integration of motors, relays, switches, and related electromechanical components.
- Work closely with engineers to implement design changes and rapidly prepare updated prototype configurations for testing.
Prototype Instrumentation & Test-Model Preparation
- Prepare and instrument prototype products, refrigeration systems, and test fixtures for engineering performance, verification, and reliability testing.
- Install thermocouples, temperature sensors, pressure transducers, and other measurement devices used to evaluate refrigeration and thermal system performance.
- Verify prototype assembly, refrigeration system operation, instrumentation readiness, and test configuration before transferring units for engineering evaluation.
- Assist with fabrication and installation of test fixtures, reliability test fixtures, and specialized laboratory equipment.
- Document prototype configurations, component changes, instrumentation locations, and build information using established laboratory information systems.
Engineering Test & Troubleshooting Support
- Conduct assigned product evaluation and troubleshooting activities at the system, subsystem, and component level.
- Apply practical knowledge of refrigeration system operation to identify potential issues involving refrigerant charge, airflow, temperature performance, compressor operation, and mechanical system function.
- Assist with testing performed according to Engineering Test Procedures (ETPs) and engineering instructions.
- Communicate prototype build observations, test abnormalities, and troubleshooting findings to engineering teams.
- Support engineering builds from early prototypes through alpha, beta, pre-pilot, and pilot configurations as product development programs mature.
People and Culture
- Engage in a culture of safety, quality, accountability, and continuous improvement.
- Travel: infrequent travel may be required.
How will you get here?
Education
- High school diploma or equivalent required.
- Associate degree in Mechanical Engineering Technology, HVAC/R Technology, Refrigeration Technology, Industrial Maintenance, or related technical discipline preferred.
- Relevant technical apprenticeship, vocational training, or equivalent combination of education and practical experience will be considered.
- EPA Section 608 certification preferred; required where applicable to assigned refrigerant-handling activities.
Experience
- 2+ years of hands-on experience in mechanical assembly, refrigeration/HVAC systems, prototype development, manufacturing, or related technical environments.
- Experience building, assembling, and troubleshooting refrigeration systems.
- Hands-on experience with refrigeration tubing fabrication, brazing, leak testing, evacuation, and refrigerant charging strongly preferred.
- Experience working with refrigeration components including compressors, heat exchangers, expansion devices, fans, tubing, and related components.
- Experience interpreting mechanical drawings, CAD models, schematics, and technical work instructions.
- Experience installing thermocouples, pressure transducers, sensors, and other engineering instrumentation.
- Experience supporting prototype builds, engineering testing, or manufacturing equipment troubleshooting.
- Experience working in an engineering laboratory, prototype shop, refrigeration manufacturing facility, or HVAC/R service environment preferred.
- Experience with ultra-low temperature or cascade refrigeration systems preferred.
Knowledge, Skills, and Abilities
- Strong mechanical aptitude with practical knowledge of refrigeration and HVAC/R systems.
- Ability to perform refrigeration system assembly, tubing fabrication, brazing, leak testing, evacuation, and charging activities safely and accurately.
- Working knowledge of vapor-compression refrigeration principles, system components, and common refrigeration troubleshooting methods.
- Ability to read and interpret engineering drawings, mechanical layouts, CAD models, wiring diagrams, and work instructions.
- Familiarity with refrigeration service equipment, including manifold gauges, vacuum pumps, refrigerant charging equipment, leak detectors, and temperature measurement devices.
- Ability to use common fabrication tools, hand tools, power tools, and precision measurement equipment.
- Familiarity with instrumentation and data acquisition systems used for refrigeration and thermal performance testing.
- Basic electrical and electromechanical knowledge sufficient to support prototype wiring, component installation, and system troubleshooting.
- Strong hands-on troubleshooting and practical problem-solving skills.
- Ability to accurately document prototype configurations, build activities, technical issues, and test preparation.
- Strong organizational skills with the ability to support multiple concurrent prototype and engineering test activities.
- Strong interpersonal and communication skills with the ability to work effectively with engineers, technicians, and cross-functional partners.
- Working knowledge of Microsoft Office and common electronic documentation systems.
- Ability to frequently lift up to 30 pounds, with or without reasonable accommodation, and perform hands-on work in laboratory and prototype environments.
- Commitment to safety, quality, teamwork, and continuous improvement.
Work Schedule
Standard (Mon-Fri)
Environmental Conditions
Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Fluctuating Temps hot/cold, Loud Noises (Equipment/Machinery), Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.)
Job Description
As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.
How will you make an impact?
As an R&D – Mechanical Engineering Prototype Technician, Technology Center, you will provide hands-on technical support for rapid prototyping, refrigeration system assembly, engineering builds, and test-model preparation supporting the development and evaluation of cold storage and laboratory equipment.
In this role, you will work closely with R&D engineers and Technology Center technicians to fabricate, assemble, modify, instrument, and troubleshoot prototype refrigeration and mechanical systems throughout the New Product Development (NPD) process. Your primary focus will be preparing functional test models for engineering performance, verification, and reliability evaluations, including refrigeration circuit assembly, brazing, refrigerant charging, and instrumentation.
Your technical skills will help engineering teams rapidly build, test, troubleshoot, and improve new products while ensuring prototype systems are prepared safely, accurately, and efficiently for engineering evaluation.
What will you do?
Safety, Laboratory & Equipment Management
- Maintain a safe work environment and demonstrate a high level of safety awareness when working with refrigeration systems, refrigerants, pressurized components, electrical equipment, and prototype products.
- Follow established safety procedures for brazing, refrigerant handling, pressure testing, evacuation, charging, and operation of refrigeration systems.
- Maintain an organized laboratory environment through 5S, Gemba walks, standard work, and good laboratory practices.
- Properly maintain tools, fabrication equipment, instrumentation, and refrigeration service equipment.
- Assist the Mechanical Prototype Lab Supervisor with inventory management, consumables, materials, and laboratory equipment readiness.
Mechanical Prototyping & Refrigeration System Assembly
- Fabricate, assemble, modify, and troubleshoot prototype mechanical and refrigeration systems supporting cold storage and laboratory equipment development.
- Perform refrigeration circuit assembly, including tubing preparation, bending, fitting, brazing, leak testing, evacuation, and refrigerant charging in accordance with engineering specifications and established procedures.
- Install and integrate refrigeration components including compressors, condensers, evaporators, heat exchangers, expansion devices, filters, tubing, fans, and related system components.
- Support prototype development of conventional and cascade refrigeration systems used in temperature-controlled and ultra-low temperature (ULT) products.
- Perform mechanical fabrication, sheet metal modifications, component mounting, and assembly activities using engineering drawings, CAD models, and work instructions.
- Support prototype electrical wiring, sensor installation, and integration of motors, relays, switches, and related electromechanical components.
- Work closely with engineers to implement design changes and rapidly prepare updated prototype configurations for testing.
Prototype Instrumentation & Test-Model Preparation
- Prepare and instrument prototype products, refrigeration systems, and test fixtures for engineering performance, verification, and reliability testing.
- Install thermocouples, temperature sensors, pressure transducers, and other measurement devices used to evaluate refrigeration and thermal system performance.
- Verify prototype assembly, refrigeration system operation, instrumentation readiness, and test configuration before transferring units for engineering evaluation.
- Assist with fabrication and installation of test fixtures, reliability test fixtures, and specialized laboratory equipment.
- Document prototype configurations, component changes, instrumentation locations, and build information using established laboratory information systems.
Engineering Test & Troubleshooting Support
- Conduct assigned product evaluation and troubleshooting activities at the system, subsystem, and component level.
- Apply practical knowledge of refrigeration system operation to identify potential issues involving refrigerant charge, airflow, temperature performance, compressor operation, and mechanical system function.
- Assist with testing performed according to Engineering Test Procedures (ETPs) and engineering instructions.
- Communicate prototype build observations, test abnormalities, and troubleshooting findings to engineering teams.
- Support engineering builds from early prototypes through alpha, beta, pre-pilot, and pilot configurations as product development programs mature.
People and Culture
- Engage in a culture of safety, quality, accountability, and continuous improvement.
- Travel: infrequent travel may be required.
How will you get here?
Education
- High school diploma or equivalent required.
- Associate degree in Mechanical Engineering Technology, HVAC/R Technology, Refrigeration Technology, Industrial Maintenance, or related technical discipline preferred.
- Relevant technical apprenticeship, vocational training, or equivalent combination of education and practical experience will be considered.
- EPA Section 608 certification preferred; required where applicable to assigned refrigerant-handling activities.
Experience
- 2+ years of hands-on experience in mechanical assembly, refrigeration/HVAC systems, prototype development, manufacturing, or related technical environments.
- Experience building, assembling, and troubleshooting refrigeration systems.
- Hands-on experience with refrigeration tubing fabrication, brazing, leak testing, evacuation, and refrigerant charging strongly preferred.
- Experience working with refrigeration components including compressors, heat exchangers, expansion devices, fans, tubing, and related components.
- Experience interpreting mechanical drawings, CAD models, schematics, and technical work instructions.
- Experience installing thermocouples, pressure transducers, sensors, and other engineering instrumentation.
- Experience supporting prototype builds, engineering testing, or manufacturing equipment troubleshooting.
- Experience working in an engineering laboratory, prototype shop, refrigeration manufacturing facility, or HVAC/R service environment preferred.
- Experience with ultra-low temperature or cascade refrigeration systems preferred.
Knowledge, Skills, and Abilities
- Strong mechanical aptitude with practical knowledge of refrigeration and HVAC/R systems.
- Ability to perform refrigeration system assembly, tubing fabrication, brazing, leak testing, evacuation, and charging activities safely and accurately.
- Working knowledge of vapor-compression refrigeration principles, system components, and common refrigeration troubleshooting methods.
- Ability to read and interpret engineering drawings, mechanical layouts, CAD models, wiring diagrams, and work instructions.
- Familiarity with refrigeration service equipment, including manifold gauges, vacuum pumps, refrigerant charging equipment, leak detectors, and temperature measurement devices.
- Ability to use common fabrication tools, hand tools, power tools, and precision measurement equipment.
- Familiarity with instrumentation and data acquisition systems used for refrigeration and thermal performance testing.
- Basic electrical and electromechanical knowledge sufficient to support prototype wiring, component installation, and system troubleshooting.
- Strong hands-on troubleshooting and practical problem-solving skills.
- Ability to accurately document prototype configurations, build activities, technical issues, and test preparation.
- Strong organizational skills with the ability to support multiple concurrent prototype and engineering test activities.
- Strong interpersonal and communication skills with the ability to work effectively with engineers, technicians, and cross-functional partners.
- Working knowledge of Microsoft Office and common electronic documentation systems.
- Ability to frequently lift up to 30 pounds, with or without reasonable accommodation, and perform hands-on work in laboratory and prototype environments.
- Commitment to safety, quality, teamwork, and continuous improvement.
See all Mechanical Engineering Technician Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Mechanical Engineering Technician roles.
Get Access To All JobsTips for Finding Visa Sponsorship as a Mechanical Engineering Technician
Verify your TN eligibility before applying
Mechanical Engineering Technician sits on the USMCA profession list for Canadian and Mexican nationals. Check whether your diploma and job description match the technician category precisely, since officers distinguish it from full engineer roles at the port of entry.
Document hands-on CAD and fabrication skills explicitly
Sponsoring employers filing a specialty occupation petition need evidence your role requires a directly related degree. List specific software platforms, materials testing methods, and manufacturing processes on your resume to anchor the job to your engineering technology credential.
Search Migrate Mate for verified LCA sponsors
Filter Migrate Mate's job board by this role to see employers with confirmed Labor Condition Application filing history in mechanical technician positions, so you're applying to companies that have already committed to sponsorship rather than guessing from job listings.
Target defense and aerospace contractors specifically
Prime defense contractors and tier-one aerospace suppliers file H-1B and EB-3 petitions for mechanical technicians at higher rates than general manufacturers. Look for openings tied to federal programs, since government contract work often drives consistent sponsorship budgets year over year.
Confirm prevailing wage before accepting an offer
Your employer must certify your wage meets DOL's prevailing wage for your geographic area and experience level. Run your location and job duties through the OFLC Wage Search before negotiating, so you know the floor the LCA must clear before USCIS reviews your petition.
Push for EB-3 green card filing early in your tenure
Mechanical Engineering Technician qualifies as an EB-3 skilled worker, and PERM labor certification for this role is well-established. Ask your employer to start PERM within your first year so your priority date is set while your H-1B extensions are still available.
Frequently Asked Questions
Does a Mechanical Engineering Technician role qualify as a specialty occupation for H-1B purposes?
It can, but it's not automatic. USCIS requires the position to normally demand a bachelor's degree in a directly related field, such as mechanical engineering technology or a closely aligned discipline. If the employer's job description allows any bachelor's degree, the petition is more likely to face a Request for Evidence. Roles tied to precision manufacturing, design verification, or systems testing are easier to defend than general support positions.
Can Canadian and Mexican mechanical engineering technicians use the TN visa instead of H-1B?
Yes. Mechanical Engineering Technician is a recognized USMCA profession for TN purposes, which means Canadian nationals can apply directly at a U.S. port of entry and Mexican nationals apply at a U.S. consulate. There's no annual cap and no lottery. Your job offer letter must describe duties that match the technician category, and you'll need proof of your engineering technology credential.
What degree does a sponsoring employer typically require for this role?
Most employers require an associate degree or bachelor's degree in mechanical engineering technology, mechatronics, or a related applied engineering discipline. For H-1B specialty occupation purposes, a four-year bachelor's degree in a directly related field is the clearest path. Some employers accept three years of equivalent work experience per year of missing education, but this complicates the LCA and petition process.
Which industries sponsor mechanical engineering technicians most consistently?
Defense and aerospace prime contractors, automotive manufacturers, semiconductor equipment firms, and medical device producers are the most consistent sponsors. These industries run long-cycle projects that justify multi-year H-1B sponsorship commitments. Contract manufacturers and job shops tend to avoid sponsorship because of project-based employment structures that complicate the full-time, permanent employment requirement for most work visas.
Where can I find employers who actively sponsor mechanical engineering technician roles?
Migrate Mate lists employers with verified sponsorship history for mechanical engineering technician positions, so you can target companies that have already filed for this role type rather than applying broadly and asking each recruiter whether sponsorship is available.
What is the prevailing wage requirement for sponsored Mechanical Engineering Technician jobs?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.