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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Get Access To All JobsMedical Laboratory Scientist I - Silver Spring, MD, On-Call
Are you intrigued by the science of the human body? Curious about state-of-the-art laboratory instrumentation? Looking to join a Fortune 500 company leading the world in providing diagnostic information services? Quest Diagnostics is now recruiting for technologist positions ranging from entry level to experienced, with a wide range of benefits and training!
Pay range: $26.48 - $43.70 / 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:
Quest Diagnostics provides employees the opportunity to invest in the future through a 401(k) Plan with eligibility for all employees after one month, and after one year, a fully vested company match up to 5% of pay.
On-call employees are eligible for:
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
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 Responsibilities:
- Follow the laboratory's procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test result.
- Maintain records that demonstrate that proficiency testing samples are tested in the same manner as patient specimens.
- Analyze specimens using approved testing procedures.
- Review and release test results.
- Follow CLIA, HIPAA, OSHA, and safety guidelines as described in their respective guidelines.
- Follow the laboratory's established policies and procedures whenever test systems are not within the laboratory's established acceptable levels of performance.
- Identify problems that may adversely affect test performance or reporting of test results, correct the problems encountered or immediately notify the senior technologist or supervisor.
Education:
BS in Medical Technology preferred; or BS/BA in Chemistry or Biology, or Associates degree in a Laboratory Science or Medical Technology, or Previously qualified as a Technologist under 42 CFR 493
Work Experience:
1 year Clinical experience (high complexity testing) preferred.
MLS, Medical Laboratory Scientist, Medical Lab Scientist, Med Tech, Medical Technologist, CLS, Clinical Lab Scientist
Medical Laboratory Scientist I - Silver Spring, MD, On-Call
Are you intrigued by the science of the human body? Curious about state-of-the-art laboratory instrumentation? Looking to join a Fortune 500 company leading the world in providing diagnostic information services? Quest Diagnostics is now recruiting for technologist positions ranging from entry level to experienced, with a wide range of benefits and training!
Pay range: $26.48 - $43.70 / 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:
Quest Diagnostics provides employees the opportunity to invest in the future through a 401(k) Plan with eligibility for all employees after one month, and after one year, a fully vested company match up to 5% of pay.
On-call employees are eligible for:
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
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 Responsibilities:
- Follow the laboratory's procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test result.
- Maintain records that demonstrate that proficiency testing samples are tested in the same manner as patient specimens.
- Analyze specimens using approved testing procedures.
- Review and release test results.
- Follow CLIA, HIPAA, OSHA, and safety guidelines as described in their respective guidelines.
- Follow the laboratory's established policies and procedures whenever test systems are not within the laboratory's established acceptable levels of performance.
- Identify problems that may adversely affect test performance or reporting of test results, correct the problems encountered or immediately notify the senior technologist or supervisor.
Education:
BS in Medical Technology preferred; or BS/BA in Chemistry or Biology, or Associates degree in a Laboratory Science or Medical Technology, or Previously qualified as a Technologist under 42 CFR 493
Work Experience:
1 year Clinical experience (high complexity testing) preferred.
MLS, Medical Laboratory Scientist, Medical Lab Scientist, Med Tech, Medical Technologist, CLS, Clinical Lab Scientist
See all 1,353+ Laboratory Assistant Jobs at Quest Diagnostics
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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.