Laboratory Assistant Jobs at Quest Diagnostics with Visa Sponsorship
Laboratory Assistant jobs 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 II
Location: Paterson, NJ
Job Type: Monday to Friday, 3:00 PM to 11:30 PM, with rotational weekends
Department
Microbiology
Pay range: $32.00 - $50.73 / hour; employee may be eligible to receive shift differential of 10% for some or all hours worked on second shift and 15% for some or all hours worked on third shift. Additional details on shift differential will be provided if an offer is extended. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
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
- Annual incentive plans
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
Responsibilities
- Must demonstrate proficiency in all areas of testing and be proficient troubleshooting all applicable instruments/procedures in the department.
- Provides support to the department in the areas of quality control, troubleshooting complex problems, customer support, instrument and equipment maintenance, staff training, process improvement and the completion of special projects as assigned.
- 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.
- Ensure reagents/test kits have received dates, expiration dates and if applicable opened dates.
- Perform 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.
- Responsible for informing supervisory personnel of all problems associated with the proper performance of test procedures.
- Report any actual or potential deviation from standard or accepted testing procedures and cooperate fully with any investigation of same.
- Enter test results into the Laboratory Information System for standardized report to be generated for physician review and interpretation.
- Maintain laboratory areas and equipment in a safe, functional and sanitary condition.
- Complete training and competency checklists as appropriate.
- May assist supervisor with training of other laboratory personnel.
- Adheres to all established CLIA, HIPAA, OSHA and laboratory safety requirements.
- Required to use (a) personal protective equipment, (b) engineering controls and/or (c) work practice controls as directed by management.
- Answer questions from clients or other lab personnel, if applicable.
- Participate in government or regulatory agency inspections, if needed.
- May be required, in the absence of a Supervisor, to assume lead responsibilities 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.
Qualifications
Required Work Experience
One (1) year full-time experience or training (high complexity testing) in a clinical laboratory setting.
Preferred Work Experience
Minimum of 3 years clinical experience with most current year in present department.
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.
- BS/BA in Medical Technology, Chemistry or Biology, or Associates degree in a Laboratory Science or Medical Technology, or Previously qualified as a Technologist under 42 CFR 493. 1433 published in March 14, 1990.
- Foreign educated candidates must provide a detailed credential evaluation from IERF (International Education Research Foundation). United States-educated candidates must provide a detailed original transcript.
- Other state specific requirements may apply depending on BU’s state testing certifications. Check with local HR or QA departments.
Skills
- Proven leadership and problem-solving skills.
- Must be detail-oriented, have the ability to work independently, establish work priorities and to handle several tasks simultaneously for maximum department efficiency.
- 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
Associates Degree Laboratory Science or Medical Technology (Preferred)
Bachelor’s Degree BS in Medical Technology, Biology or Chemistry (Preferred)
Licenses and Certifications
ASCP Certification (Preferred) MLS, Medical Laboratory Scientist, Medical Lab Scientist, Med Tech, Medical Technologist, CLS, Clinical Lab Scientist
About The Team
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.
Job Description
Medical Laboratory Scientist II
Location: Paterson, NJ
Job Type: Monday to Friday, 3:00 PM to 11:30 PM, with rotational weekends
Department
Microbiology
Pay range: $32.00 - $50.73 / hour; employee may be eligible to receive shift differential of 10% for some or all hours worked on second shift and 15% for some or all hours worked on third shift. Additional details on shift differential will be provided if an offer is extended. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
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
- Annual incentive plans
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
Responsibilities
- Must demonstrate proficiency in all areas of testing and be proficient troubleshooting all applicable instruments/procedures in the department.
- Provides support to the department in the areas of quality control, troubleshooting complex problems, customer support, instrument and equipment maintenance, staff training, process improvement and the completion of special projects as assigned.
- 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.
- Ensure reagents/test kits have received dates, expiration dates and if applicable opened dates.
- Perform 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.
- Responsible for informing supervisory personnel of all problems associated with the proper performance of test procedures.
- Report any actual or potential deviation from standard or accepted testing procedures and cooperate fully with any investigation of same.
- Enter test results into the Laboratory Information System for standardized report to be generated for physician review and interpretation.
- Maintain laboratory areas and equipment in a safe, functional and sanitary condition.
- Complete training and competency checklists as appropriate.
- May assist supervisor with training of other laboratory personnel.
- Adheres to all established CLIA, HIPAA, OSHA and laboratory safety requirements.
- Required to use (a) personal protective equipment, (b) engineering controls and/or (c) work practice controls as directed by management.
- Answer questions from clients or other lab personnel, if applicable.
- Participate in government or regulatory agency inspections, if needed.
- May be required, in the absence of a Supervisor, to assume lead responsibilities 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.
Qualifications
Required Work Experience
One (1) year full-time experience or training (high complexity testing) in a clinical laboratory setting.
Preferred Work Experience
Minimum of 3 years clinical experience with most current year in present department.
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.
- BS/BA in Medical Technology, Chemistry or Biology, or Associates degree in a Laboratory Science or Medical Technology, or Previously qualified as a Technologist under 42 CFR 493. 1433 published in March 14, 1990.
- Foreign educated candidates must provide a detailed credential evaluation from IERF (International Education Research Foundation). United States-educated candidates must provide a detailed original transcript.
- Other state specific requirements may apply depending on BU’s state testing certifications. Check with local HR or QA departments.
Skills
- Proven leadership and problem-solving skills.
- Must be detail-oriented, have the ability to work independently, establish work priorities and to handle several tasks simultaneously for maximum department efficiency.
- 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
Associates Degree Laboratory Science or Medical Technology (Preferred)
Bachelor’s Degree BS in Medical Technology, Biology or Chemistry (Preferred)
Licenses and Certifications
ASCP Certification (Preferred) MLS, Medical Laboratory Scientist, Medical Lab Scientist, Med Tech, Medical Technologist, CLS, Clinical Lab Scientist
About The Team
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.
See all 162+ Laboratory Assistant Jobs at Quest Diagnostics
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Laboratory Assistant Jobs at Quest Diagnostics.
Get Access To All JobsTips for Finding Laboratory Assistant Jobs at Quest Diagnostics
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.
Understand Which Visa Fits Your Timeline
For Laboratory Assistant roles, Quest typically sponsors H-1B, TN, and green card pathways through EB-3. If you're on F-1 OPT, confirm your OPT end date gives the employer enough runway before USCIS cap-gap or H-1B transfer becomes relevant.
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.
Frequently 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 visa 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.