Clinical Assistant Jobs at Quest Diagnostics with Visa Sponsorship
Quest Diagnostics hires Clinical Assistants across its nationwide patient service centers and laboratory network, supporting specimen collection and patient-facing care. The company has an established track record of sponsoring work visas for this role, making it a realistic target if you're navigating F-1 OPT, H-1B, or longer-term permanent residency pathways.
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Lab Assistant II
Royal Oak, MI, Monday to Friday, 10:00 PM to 06:30 AM, with rotational weekends
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.
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:
Part-time employees (29 hours or less per week) are eligible for:
- Vacation and Health/Flex Time (part-time employees scheduled to work at least 20 hours per week)
- 6 Holidays plus 1 “MyDay” off (if regularly scheduled to work 20+ hours per week)
- 401(k) pre-tax and/or ROTH IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Education assistance through MyQuest for Education
- Annual, no-cost health assessment program Blueprint for Wellness®
- and so much more!
Performs various routine laboratory functions in a precise and accurate fashion to assist the laboratory professional staff and to facilitate production.
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.
Responsibilities:
- Perform specimen receiving, labeling, handling and preparation.
- Assist with pre-analytical preparation of specimens (e.g., printing labels, uncap/cap specimen tubes, aliquot specimens, prepare racks, worklists, enter/scan specimens and load automated instruments).
- Record digital temperature; notify licensed personnel if temperature is out of range.
- Perform routine instrument maintenance on some equipment.
- Assist in preparation of chemicals, reagents and solutions.
- Clean, organize and maintain work area, glassware and laboratory equipment (e.g., refrigerators, freezers and supply cabinets, as needed).
- Assist with monitoring the department pending and overdue lists, which includes, searching, locating, following up and filing appropriate documentation.
- Perform other departmental tasks such as filing, archiving and retrieving slides/blocks, reports, requisitions/other paperwork and answering the telephone.
- Dispose of biohazardous material.
- Enter data in laboratory information systems (LIS).
- Perform QA/QC duties as assigned.
- Complete training and competency checklists as appropriate.
- Comply with all health and safety policies, procedures and practices. Required to use personal protective equipment.
- 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.
Required Work Experience:
One (1) year full-time experience in a technical or clinical laboratory 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:
Basic knowledge of organizational/departmental policies and procedures.
Skills:
- Must demonstrate the ability to follow a series of steps without confusion or errors on an ongoing basis and retain the information once learned.
- Must be detail-oriented, have the ability to work independently, establish work priorities and to handle several tasks simultaneously for maximum department efficiency.
- Communication and interpersonal skills necessary to deal courteously and effectively with supervisors, co-workers and clients.
- Ability to deal with client information in a confidential manner.
- Proficiency in Microsoft Office (Word, Excel and Outlook) and Laboratory Information Systems.
Education:
High School Diploma or Equivalent High School Diploma is Preferred - Florida Only (Required)
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

Lab Assistant II
Royal Oak, MI, Monday to Friday, 10:00 PM to 06:30 AM, with rotational weekends
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.
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:
Part-time employees (29 hours or less per week) are eligible for:
- Vacation and Health/Flex Time (part-time employees scheduled to work at least 20 hours per week)
- 6 Holidays plus 1 “MyDay” off (if regularly scheduled to work 20+ hours per week)
- 401(k) pre-tax and/or ROTH IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Education assistance through MyQuest for Education
- Annual, no-cost health assessment program Blueprint for Wellness®
- and so much more!
Performs various routine laboratory functions in a precise and accurate fashion to assist the laboratory professional staff and to facilitate production.
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.
Responsibilities:
- Perform specimen receiving, labeling, handling and preparation.
- Assist with pre-analytical preparation of specimens (e.g., printing labels, uncap/cap specimen tubes, aliquot specimens, prepare racks, worklists, enter/scan specimens and load automated instruments).
- Record digital temperature; notify licensed personnel if temperature is out of range.
- Perform routine instrument maintenance on some equipment.
- Assist in preparation of chemicals, reagents and solutions.
- Clean, organize and maintain work area, glassware and laboratory equipment (e.g., refrigerators, freezers and supply cabinets, as needed).
- Assist with monitoring the department pending and overdue lists, which includes, searching, locating, following up and filing appropriate documentation.
- Perform other departmental tasks such as filing, archiving and retrieving slides/blocks, reports, requisitions/other paperwork and answering the telephone.
- Dispose of biohazardous material.
- Enter data in laboratory information systems (LIS).
- Perform QA/QC duties as assigned.
- Complete training and competency checklists as appropriate.
- Comply with all health and safety policies, procedures and practices. Required to use personal protective equipment.
- 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.
Required Work Experience:
One (1) year full-time experience in a technical or clinical laboratory 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:
Basic knowledge of organizational/departmental policies and procedures.
Skills:
- Must demonstrate the ability to follow a series of steps without confusion or errors on an ongoing basis and retain the information once learned.
- Must be detail-oriented, have the ability to work independently, establish work priorities and to handle several tasks simultaneously for maximum department efficiency.
- Communication and interpersonal skills necessary to deal courteously and effectively with supervisors, co-workers and clients.
- Ability to deal with client information in a confidential manner.
- Proficiency in Microsoft Office (Word, Excel and Outlook) and Laboratory Information Systems.
Education:
High School Diploma or Equivalent High School Diploma is Preferred - Florida Only (Required)
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 Clinical Assistant Jobs at Quest Diagnostics Jobs
Confirm Your Clinical Credentials Before Applying
Quest Diagnostics Clinical Assistant roles typically require phlebotomy certification and, in some states, a medical assistant credential. Verify your certifications are current and state-recognized before submitting applications, since credentialing gaps can stall an H-1B or TN filing mid-process.
Target Patient Service Center Openings Strategically
Quest hires Clinical Assistants at high volume across its patient service center network. Use Migrate Mate to filter open roles by location and visa type so you're applying to sites that are actively sponsoring, not just posting.
Understand How OPT Fits This Role
F-1 OPT is a common entry point for Clinical Assistant roles at Quest. Your OPT employment must directly relate to your degree field, so if your program is in clinical or health sciences, document that connection clearly in your application to satisfy USCIS work authorization requirements.
Ask About LCA Filing Timing During Offer Negotiations
Before your H-1B start date, Quest must file a certified Labor Condition Application with DOL. Ask your recruiter or HR contact when the LCA process typically begins relative to your expected start date so you can plan your OPT or grace period coverage accordingly.
Prepare for PERM If You're Targeting Permanent Residency
Quest sponsors EB-2 and EB-3 Green Cards for Clinical Assistants, but PERM labor certification through DOL requires demonstrating no qualified U.S. workers are available. Be ready to provide detailed employment history and education records early, since PERM documentation requests can surface months into the process.
Align Your Resume to Quest's Clinical Assistant Job Descriptions
Quest's Clinical Assistant postings consistently emphasize specimen collection, patient communication, and compliance with safety protocols. Mirroring that exact language in your resume strengthens your application and helps HR quickly confirm your background supports visa sponsorship for a specialty-specific role.
Clinical Assistant at Quest Diagnostics jobs are hiring across the US. Find yours.
Find Clinical Assistant at Quest Diagnostics JobsFrequently Asked Questions
Does Quest Diagnostics sponsor H-1B visas for Clinical Assistants?
Yes, Quest Diagnostics sponsors H-1B visas for Clinical Assistant roles. Because Clinical Assistant positions involve direct patient care and specimen collection tied to specific technical training, they can qualify as specialty occupations under USCIS criteria. Your employer will need to file a certified Labor Condition Application with the DOL before USCIS receives the H-1B petition, so budget time for both steps when planning your start date.
How do I apply for Clinical Assistant jobs at Quest Diagnostics?
Applications go through Quest Diagnostics' careers portal, where you can filter by role and location. Because not every posting explicitly lists visa sponsorship availability, browsing through Migrate Mate lets you identify which Clinical Assistant openings at Quest are open to sponsored candidates before you invest time in a full application.
Which visa types does Quest Diagnostics commonly use for Clinical Assistant roles?
Quest Diagnostics most commonly supports Clinical Assistants through F-1 OPT and CPT while candidates are still in or recently completing health sciences programs, H-1B for longer-term work authorization, and TN visas for Canadian and Mexican nationals in qualifying clinical roles. For candidates pursuing permanent residency, Quest has also sponsored EB-2 and EB-3 Green Cards for this function.
What qualifications does Quest Diagnostics expect for Clinical Assistant roles?
Most Clinical Assistant openings at Quest require phlebotomy certification, a high school diploma or equivalent, and some patient-facing or clinical setting experience. Several state markets also require a medical assistant credential or certification. Candidates applying with an F-1 or H-1B should ensure their degree field in health sciences or a related clinical discipline directly supports the responsibilities listed in the specific job posting.
How long does the visa sponsorship process take for a Clinical Assistant at Quest Diagnostics?
Timeline depends heavily on visa type. F-1 OPT authorization through USCIS can take up to 90 days, so apply early relative to your program end date. H-1B sponsorship requires DOL LCA certification followed by USCIS petition processing, which can take three to six months without premium processing. PERM-based Green Card sponsorship typically runs one to two years before an immigrant visa petition is even filed.
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