H-1B Visa Mechanical Engineering Technician Jobs
Mechanical Engineering Technician jobs with H-1B visa sponsorship require employers to file a Labor Condition Application and I-129 petition on your behalf. Sponsoring employers typically structure these roles around degree-level duties in mechanical systems, testing, or design support to satisfy the specialty occupation standard.
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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 H-1B Visa Mechanical Engineering Technician Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new H-1B Visa Mechanical Engineering Technician Jobs.
Get Access To All JobsTips for Finding H-1B Visa Sponsorship as a Mechanical Engineering Technician
Align your credentials to specialty occupation
Pull your degree transcripts and map your coursework directly to the mechanical systems or applied engineering duties in each job description. Employers and USCIS both scrutinize whether your degree field has a direct relationship to the technician role as structured.
Look up prevailing wages before negotiating
Use the OFLC Wage Search to find the certified wage level for your SOC code and work location before you receive an offer. Your employer's LCA must certify a wage at or above that level, so knowing it protects you from offers that can't support a valid petition.
Target employers with active LCA filing history
Search Migrate Mate to identify employers who have already certified LCAs for mechanical or engineering technician roles. Prior filing history signals the employer understands the sponsorship process and has HR infrastructure to support it.
Confirm each worksite has its own LCA
If the role involves multiple facilities or client sites, verify that your employer will file a separate certified LCA for each worksite location. USCIS requires site-specific LCA coverage, and gaps here are a common reason petitions face Requests for Evidence.
Use O*NET to frame your specialty occupation argument
The O*NET occupation profile for your role lists the knowledge domains and education levels associated with the position. Reference these when writing your job duty description with HR so the I-129 petition clearly ties your responsibilities to degree-level engineering knowledge.
Account for cap timing in your start-date planning
H-1B cap selection rules have changed recently, so coordinate your expected start date with your employer before signing anything. Status is initially granted for up to three years and extendable to six, but cap-subject petitions have a fixed earliest start window that affects your offer timeline.
H-1B Visa Mechanical Engineering Technician: Frequently Asked Questions
Does a Mechanical Engineering Technician role qualify as a specialty occupation for H-1B purposes?
It depends on how the employer structures the position. The role does not automatically qualify because many technician jobs historically required only an associate degree or technical certification. For H-1B eligibility, the employer must define the position around duties that normally require at least a bachelor's degree in mechanical engineering, materials science, or a closely related field. Employers who sponsor this role typically write job descriptions emphasizing design analysis, CAD modeling, or systems testing at a degree level.
What documents should I prepare before approaching potential H-1B sponsors?
Compile your academic transcripts, any professional engineering certifications, and a detailed work history that maps your experience to degree-level mechanical duties. If your degree is from outside the U.S., get a credential evaluation from a NACES-member evaluator before interviews begin. Employers assessing sponsorship feasibility will want to see this package early to determine whether your background supports the specialty occupation standard.
How do I find employers who actively sponsor H-1B visas for this role?
Browse Migrate Mate to search employers with verified LCA filing history for mechanical engineering and technician occupations. Because LCA data is public record from DOL, Migrate Mate surfaces only employers who have already navigated the sponsorship process for similar roles, saving you from outreach to companies that have no infrastructure to support an H-1B petition.
What happens to my H-1B status if I move to a new worksite or project location?
Your employer must file a new certified LCA with DOL covering each new worksite before you begin working there. Short-term placements at client sites have limited exceptions under USCIS guidance, but ongoing or indefinite assignments at an unlisted location require a full amended LCA. Confirm this process with your employer's HR or immigration counsel before accepting any role that involves rotating facilities or on-site client work.
Can I switch employers while on an H-1B as a Mechanical Engineering Technician?
Yes. Under the H-1B portability rules established by the American Competitiveness in the 21st Century Act, you can start working for a new employer as soon as they file an H-1B transfer petition on your behalf, without waiting for USCIS approval. The new employer must file a fresh I-129 and a certified LCA for your new worksite. Your current H-1B status remains valid during the transfer as long as the petition is filed while your status is in good standing.