Laboratory Assistant Jobs at Quest Diagnostics with Visa Sponsorship
Laboratory Assistant roles at Quest Diagnostics sit at the center of the company's nationwide diagnostic network, supporting specimen processing, test accuracy, and clinical workflows. Quest has a consistent track record of sponsoring international workers in lab support functions across its patient service centers and reference labs.
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Medical Laboratory Scientist Group Lead - Chemistry
Farmington Hills, MI, Monday to Friday, 6: 30 AM to 3:00 PM, with rotational weekends
Benefits Information:
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects – physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
- Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
- Best-in-class well-being programs
- Annual, no-cost health assessment program Blueprint for Wellness®
- healthyMINDS mental health program
- Vacation and Health/Flex Time
- 6 Holidays plus 1 "MyDay" off
- FinFit financial coaching and services
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Life and disability insurance, plus buy-up option
- Flexible Spending Accounts
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
ROLE AND RESPONSIBILITIES
Perform test procedures of moderate/high complexity requiring the exercise of independent judgement and responsibility in those specialties in which they are qualified by education, training and experience. Assist Lab Supervisor and serve as a technical resource for the department.
- Demonstrate proficiency in all duties of a Medical Technologist I and II.
- Perform and report on assigned analytical tests in accordance with applicable Standard Operating Procedures (SOP) ensuring that applicable quality control requirements are met.
- Actively support and comply with laboratory policies and procedures for specimen handling and processing, test analysis, reporting and maintaining records of patient test results.
- Adhere to analytical schedules to maintain turnaround time of results including STATS or critical results to clients.
- Perform, review and document QC analysis to ensure accuracy of clinical data and proper instrument function. Make quality control decisions regarding the disposition of an assay or test.
- Review requests for validity checks and recommend an appropriate course of action taking into account the limitations of specimen requirements and the effects of time and the quality of additional and/or repeat testing.
- Serve as a technical resource for the department by investigating and resolving analytical testing problems, recommending a course of action in instances identified as beyond acceptable limits, and responding to non-routine/complex inquiries and/or requests from clients and sales representatives.
- Assist Lab Supervisor by monitoring workflow to meet testing schedules; distributing and reviewing work assignments; training employees in laboratory techniques; resolving work-related problems of staff; and providing input for performance appraisals and disciplinary actions.
- Expedite the flow of work to maximize productive capacity by evaluating production systems and recommending enhancements and coordinating the resolution of production problems/issues involving other laboratory departments.
- Maintain laboratory areas and equipment in a safe, functional and sanitary condition.
- Complete training and competency checklists as appropriate and assist with the department’s annual competency testing process and documentation.
- Adheres to all established CLIA, HIPAA, OSHA, and laboratory safety requirements and reviews department activities to ensure compliance.
- Required to use (a) personal protective equipment, (b) engineering controls and/or (c) work practice controls as directed by management.
- Participate in government or regulatory agency inspections, if needed.
- Perform necessary supervisor functions in the absence of a Supervisor, if qualified and delegated.
- Other duties as assigned. This is not an exhaustive list of all duties and responsibilities, but rather a general description of work performed by the position.
BASIC QUALIFICATIONS
- Three (3) to five (5) years of clinical experience as a Medical Technologist within the designated discipline.
- Foreign educated candidates must provide a detailed credential evaluation from IERF (International Education Research Foundation). The United States educated candidates must provide a detailed original transcript.
PREFERRED QUALIFICATIONS
- Experience as a Medical Technologist at Quest is highly desired.
PHYSICAL AND MENTAL REQUIREMENTS
- The normal performance of duties may require lifting and carrying objects: Objects 1 to 10 pounds are lifted and carried frequently; objects 11 to 25 pounds are lifted and carried occasionally; objects 36 to 50 pounds are seldom lifted or carried and objects over 50 pounds are not to be lifted or carried without assistance.
- Ability to stand and work at the bench for long periods of time.
- Frequent walking and/or standing.
- May be required to use a wide variety of manual and automated pipettes and laboratory instruments and apparatuses all of which demand significant manual dexterity.
KNOWLEDGE
- Comprehensive theoretical and operational job knowledge in designated specialty required.
- Knowledge of organizational/departmental policies and procedures.
SKILLS
- Proven leadership and problem-solving skills.
- Must be detail-oriented, have the ability to work independently, establish work priorities for self and others and to handle several tasks simultaneously for maximum department efficiency.
- Ability to schedule and manage resources to meet department goals.
- Interpersonal skills necessary to deal courteously and effectively with supervisors, co-workers and clients.
- Communication skills necessary to handle telephone inquiries from clients.
- Ability to deal with client information in a confidential manner.
- Proficiency in Microsoft Office (Word, Excel, and Outlook) and Laboratory Information Systems.
Education
- Bachelor’s Degree Medical Technology, Chemistry or Biology or Previously qualified as a Technologist under 42 CFR 493. 1433 published in March 14, 1990. (Required)
LICENSES AND CERTIFICATIONS
- ASCP Certification (Preferred)
Quest Diagnostics honors our service members and encourages veterans to apply.
While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

Medical Laboratory Scientist Group Lead - Chemistry
Farmington Hills, MI, Monday to Friday, 6: 30 AM to 3:00 PM, with rotational weekends
Benefits Information:
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects – physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
- Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
- Best-in-class well-being programs
- Annual, no-cost health assessment program Blueprint for Wellness®
- healthyMINDS mental health program
- Vacation and Health/Flex Time
- 6 Holidays plus 1 "MyDay" off
- FinFit financial coaching and services
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Life and disability insurance, plus buy-up option
- Flexible Spending Accounts
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
ROLE AND RESPONSIBILITIES
Perform test procedures of moderate/high complexity requiring the exercise of independent judgement and responsibility in those specialties in which they are qualified by education, training and experience. Assist Lab Supervisor and serve as a technical resource for the department.
- Demonstrate proficiency in all duties of a Medical Technologist I and II.
- Perform and report on assigned analytical tests in accordance with applicable Standard Operating Procedures (SOP) ensuring that applicable quality control requirements are met.
- Actively support and comply with laboratory policies and procedures for specimen handling and processing, test analysis, reporting and maintaining records of patient test results.
- Adhere to analytical schedules to maintain turnaround time of results including STATS or critical results to clients.
- Perform, review and document QC analysis to ensure accuracy of clinical data and proper instrument function. Make quality control decisions regarding the disposition of an assay or test.
- Review requests for validity checks and recommend an appropriate course of action taking into account the limitations of specimen requirements and the effects of time and the quality of additional and/or repeat testing.
- Serve as a technical resource for the department by investigating and resolving analytical testing problems, recommending a course of action in instances identified as beyond acceptable limits, and responding to non-routine/complex inquiries and/or requests from clients and sales representatives.
- Assist Lab Supervisor by monitoring workflow to meet testing schedules; distributing and reviewing work assignments; training employees in laboratory techniques; resolving work-related problems of staff; and providing input for performance appraisals and disciplinary actions.
- Expedite the flow of work to maximize productive capacity by evaluating production systems and recommending enhancements and coordinating the resolution of production problems/issues involving other laboratory departments.
- Maintain laboratory areas and equipment in a safe, functional and sanitary condition.
- Complete training and competency checklists as appropriate and assist with the department’s annual competency testing process and documentation.
- Adheres to all established CLIA, HIPAA, OSHA, and laboratory safety requirements and reviews department activities to ensure compliance.
- Required to use (a) personal protective equipment, (b) engineering controls and/or (c) work practice controls as directed by management.
- Participate in government or regulatory agency inspections, if needed.
- Perform necessary supervisor functions in the absence of a Supervisor, if qualified and delegated.
- Other duties as assigned. This is not an exhaustive list of all duties and responsibilities, but rather a general description of work performed by the position.
BASIC QUALIFICATIONS
- Three (3) to five (5) years of clinical experience as a Medical Technologist within the designated discipline.
- Foreign educated candidates must provide a detailed credential evaluation from IERF (International Education Research Foundation). The United States educated candidates must provide a detailed original transcript.
PREFERRED QUALIFICATIONS
- Experience as a Medical Technologist at Quest is highly desired.
PHYSICAL AND MENTAL REQUIREMENTS
- The normal performance of duties may require lifting and carrying objects: Objects 1 to 10 pounds are lifted and carried frequently; objects 11 to 25 pounds are lifted and carried occasionally; objects 36 to 50 pounds are seldom lifted or carried and objects over 50 pounds are not to be lifted or carried without assistance.
- Ability to stand and work at the bench for long periods of time.
- Frequent walking and/or standing.
- May be required to use a wide variety of manual and automated pipettes and laboratory instruments and apparatuses all of which demand significant manual dexterity.
KNOWLEDGE
- Comprehensive theoretical and operational job knowledge in designated specialty required.
- Knowledge of organizational/departmental policies and procedures.
SKILLS
- Proven leadership and problem-solving skills.
- Must be detail-oriented, have the ability to work independently, establish work priorities for self and others and to handle several tasks simultaneously for maximum department efficiency.
- Ability to schedule and manage resources to meet department goals.
- Interpersonal skills necessary to deal courteously and effectively with supervisors, co-workers and clients.
- Communication skills necessary to handle telephone inquiries from clients.
- Ability to deal with client information in a confidential manner.
- Proficiency in Microsoft Office (Word, Excel, and Outlook) and Laboratory Information Systems.
Education
- Bachelor’s Degree Medical Technology, Chemistry or Biology or Previously qualified as a Technologist under 42 CFR 493. 1433 published in March 14, 1990. (Required)
LICENSES AND CERTIFICATIONS
- ASCP Certification (Preferred)
Quest Diagnostics honors our service members and encourages veterans to apply.
While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.
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Get Access To All JobsTips for Finding Laboratory Assistant Jobs at Quest Diagnostics Jobs
Certify Your Credentials Before Applying
Quest Diagnostics lab roles often require ASCP or AMT certification. Getting certified before you apply signals readiness and removes a common obstacle employers cite when deciding whether to move forward with sponsorship for entry-level lab positions.
Target Patient Service Centers Strategically
Quest operates hundreds of patient service centers across the U.S., and hiring volume varies heavily by region. Focus applications on high-volume markets like Texas, Florida, and California, where lab staffing needs are ongoing and sponsorship decisions move faster.
Use Migrate Mate to Find Open Lab Roles
Sponsorship-confirmed lab openings at Quest don't always surface on general job boards. Use Migrate Mate to filter specifically for Laboratory Assistant positions at Quest Diagnostics where visa sponsorship is verified, so you're not applying blind.
Ask About PERM Timing During Your Interview
If you're targeting a Green Card through EB-3, PERM labor certification adds significant lead time before I-140 can be filed. Asking recruiters early whether Quest initiates PERM concurrent with or after H-1B approval helps you plan your timeline realistically.
Align Your Start Date With H-1B Cap Deadlines
H-1B cap registrations open in March for an October 1 start date. If Quest extends you an offer after April, negotiate a start date that gives your employer time to file after the next lottery cycle rather than rushing a cap-exempt workaround.
Laboratory Assistant at Quest Diagnostics jobs are hiring across the US. Find yours.
Find Laboratory Assistant at Quest Diagnostics JobsFrequently Asked Questions
Does Quest Diagnostics sponsor H-1B visas for Laboratory Assistants?
Yes, Quest Diagnostics sponsors H-1B visas for Laboratory Assistant roles. The role typically qualifies as a specialty occupation when tied to a relevant degree in medical laboratory science, biology, or a related field. Your employer would file the H-1B petition with USCIS on your behalf, so confirm sponsorship intent explicitly during the offer stage.
How do I apply for Laboratory Assistant jobs at Quest Diagnostics?
Applications go through Quest Diagnostics' careers portal, where you can filter by role and location. For visa-sponsored openings specifically, Migrate Mate surfaces verified Laboratory Assistant positions at Quest so you're not spending time on listings that won't support your immigration status. Once you apply, the recruiter screen is typically where sponsorship eligibility gets confirmed.
Which visa types are commonly used for Laboratory Assistant roles at Quest Diagnostics?
Quest supports several pathways for Laboratory Assistants, including H-1B for specialty occupation workers, TN for Canadian and Mexican nationals in qualifying scientific roles, and F-1 OPT or CPT for current students gaining clinical lab experience. For long-term employment, Quest also sponsors EB-2 and EB-3 Green Card pathways depending on your qualifications and the role's requirements.
What qualifications does Quest Diagnostics expect for Laboratory Assistant roles?
Most Laboratory Assistant positions at Quest require at minimum a high school diploma or equivalent, though a degree or coursework in medical laboratory technology, biology, or a related science strengthens your application considerably. ASCP or AMT phlebotomy certification is frequently listed as preferred or required. Prior experience with specimen collection, processing, or clinical lab workflows is a strong differentiator during the hiring process.
How do I think about the timeline from job offer to starting work on a sponsored visa at Quest?
Timeline depends heavily on your visa type. TN status can be obtained at a port of entry in a single day for Canadians and Mexicans. H-1B has an October 1 start date tied to the annual cap, so offers extended outside the filing window may require a gap or bridge strategy. If you're on F-1 OPT, your start date may be more flexible, but watch your OPT expiration closely relative to USCIS processing times.
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