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Lab Assistant Jobs in Puerto Rico (NOW HIRING)

EssilorLuxottica

Lab Technician

San Juan, PR · On-site

$12.25 - $16.50/hr

GENERAL FUNCTION The Lab Technician creates exceptional value in the lives of our customers by delivering The LensCrafters Experience. Exceeds customers' expectations through manufacturing eyewear in ...

EssilorLuxottica Group

Lab Technician

San Juan, PR

$18.75 - $24.75/hr

GENERAL FUNCTION The Lab Technician creates exceptional value in the lives of our customers by delivering The LensCrafters Experience. Exceeds customers' expectations through manufacturing eyewear in ...

Essilor

Lab Technician

San Juan, PR

$12.25 - $16.50/hr

GENERAL FUNCTION The Lab Technician creates exceptional value in the lives of our customers by delivering The LensCrafters Experience. Exceeds customers' expectations through manufacturing eyewear in ...

Pacs

$21 - $24/hr

Keep residents dry (change gown, clothing and linens, when it becomes wet or soiled). Assist residents in preparing for medical tests (i.e., lab work, x-ray, therapy, dental, etc.). Assist with ...

Boston Scientific

Laboratory Tech - S2

Dorado, PR · On-site

$16.75 - $22.25/hr

Laboratory Tech - S2 (Lab Tech II) Performs a variety of chemical, biological or microbiological analyses on products, raw materials, in-process materials, or stability samples in support of the ...

Boston Scientific

Laboratory Tech - S2

Dorado, PR · On-site

$15.75 - $21/hr

Laboratory Tech - S2 (Lab Tech II) Performs a variety of chemical, biological or microbiological analyses on products, raw materials, in-process materials, or stability samples in support of the ...

Boston Scientific

Laboratory Tech - S2

Dorado, PR · On-site

$16.75 - $22.25/hr

Laboratory Tech - S2 (Lab Tech II) Performs a variety of chemical, biological or microbiological analyses on products, raw materials, in-process materials, or stability samples in support of the ...

Cooper Companies

QA Formulation Lab Tech II

Juana Diaz, PR · On-site

$18.50 - $24.50/hr

The incumbent will be in charge for the preparation of the formulation used for the manufacture of contact lenses. Also is accountable for the use of Laboratory Instruments operative systems and ...

CooperCompanies

QA Formulation Lab Tech II

Juana Diaz, PR · On-site

$18.50 - $24.50/hr

The incumbent will be in charge for the preparation of the formulation used for the manufacture of contact lenses. Also is accountable for the use of Laboratory Instruments operative systems and ...

SOLX HOLDINGS LLC

PR · On-site

$110K - $145K/yr

Support compute hardware design, prototyping, and bring-up. * Assist with board/system integration ... Hands-on lab skills. * Spanish a plus.

Ladgov Corporation

Phlebotomist

Ponce, PR · On-site

$16.50 - $20.75/hr

Follow infection control, HIPAA, and VA policies * Assist with specimen processing and lab support tasks Qualifications * Minimum 6 months phlebotomy experience * Experience in a healthcare or ...

Ladgov Corporation

Phlebotomist

San Juan, PR · On-site

$16.75 - $20.75/hr

Follow infection control, HIPAA, and VA policies * Assist with specimen processing and lab support tasks Qualifications * Minimum 6 months phlebotomy experience * Experience in a healthcare or ...

Ladgov Corporation

Phlebotomist

Guayama, PR · On-site

$16.50 - $20.50/hr

Follow infection control, HIPAA, and VA policies * Assist with specimen processing and lab support tasks Qualifications * Minimum 6 months phlebotomy experience * Experience in a healthcare or ...

Ladgov Corporation

Phlebotomist

Utuado, PR · On-site

$16 - $20/hr

Follow infection control, HIPAA, and VA policies * Assist with specimen processing and lab support tasks Qualifications * Minimum 6 months phlebotomy experience * Experience in a healthcare or ...

Ladgov Corporation

Phlebotomist

Ceiba, PR · On-site

$16.25 - $20.50/hr

Follow infection control, HIPAA, and VA policies * Assist with specimen processing and lab support tasks Qualifications * Minimum 6 months phlebotomy experience * Experience in a healthcare or ...

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Lab Assistant information

What is a lab assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

What are the key skills and qualifications needed to thrive as a lab assistant, and why are they important?

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What are some common challenges faced by lab assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

What is the difference between Lab Assistant vs Medical Laboratory Technician?

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

How much does a lab assistant get paid?

Lab assistants typically earn between $25,000 and $40,000 annually, depending on experience, location, and the specific industry or laboratory setting. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Pay can also vary based on full-time or part-time status and the complexity of tasks performed.

What exactly does a lab assistant do?

A lab assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or technicians and may need knowledge of lab procedures and basic scientific techniques.

What qualifications do I need to be a lab assistant?

To become a lab assistant, candidates typically need a high school diploma or equivalent; some positions may require postsecondary education or relevant coursework in science. Basic knowledge of laboratory procedures, attention to detail, and familiarity with lab equipment are important. Certifications such as OSHA safety training can also be beneficial.
More about Lab Assistant jobs

What are the most commonly searched types of Lab jobs in Puerto Rico?

The most popular types of Lab jobs in Puerto Rico are:

What job categories do people searching Lab Assistant jobs in Puerto Rico look for?

The top searched job categories for Lab Assistant jobs in Puerto Rico are:

What cities in Puerto Rico are hiring for Lab Assistant jobs?

Cities in Puerto Rico with the most Lab Assistant job openings:

Lab Assistant jobs near you
Infographic showing various Lab Assistant job openings in Puerto Rico as of August 2026, with employment types broken down into 6% Internship, 82% Full Time, 6% Part Time, and 6% Contract. Highlights an 100% In-person job distribution.

Lab Technician

EssilorLuxottica

San Juan, PR • On-site

$12.25 - $16.50/hr

Full-time

Medical, Vision, Life, Retirement, PTO

Posted 26 days ago

EssilorLuxottica rating

7.2

Company rating: 7.2 out of 10

Based on 296 frontline employees who took The Breakroom Quiz

8th of 40 rated optical retailers

Job description

Requisition ID: 937244
Store #: 000474 LensCrafters
Position:Full-Time
Total Rewards: Benefits/Incentive Information
LensCrafters is a place for visionaries. We've got a vision for pairing state-of-the-art technology with a truly personal approach to eye care.
Everything we do is centered around sight. Because quality care helps us see the joy in life. Because learning from the best, makes us all better. Because continuing our legacy of the highest optical standards helps us innovate the future in optical care.
At LensCrafters, we want every person who enters our doors to feel our passion for care. And that's why we're committed to taking care of you, so you can bring the best quality experience to our patients and customers.
LensCrafters is part of EssilorLuxottica, a global leader in the design, manufacture and distribution of world-class vision care products, including iconic eyewear, advanced lens technology and cutting-edge digital solutions. Join our global community of over 200,000 dedicated employees around the world in driving the transformation of the eyewear and eyecare industry. Discover more by following us on LinkedIn!
JOB DESCRIPTION
GENERAL FUNCTION
The Lab Technician creates exceptional value in the lives of our customers by delivering The LensCrafters Experience. Exceeds customers' expectations through manufacturing eyewear in accordance with LensCrafters Quality Manufacturing Program. Ensures speed and reliability of service.
MAJOR DUTIES & RESPONSIBILITIES
  • Produces quality eyewear through utilizing the Quality Manufacturing Program: selecting lenses, marking, taping, blocking, generating, fining and polishing, coating polycarbonate lenses, first (surface) inspecting, finish layout and blocking, edging, tinting, UV and anti-reflective coating, grooving, drop-ball testing, safety monogramming, mounting and final inspecting.
  • Responsible for basic operation, cleaning and ongoing maintenance of laboratory tools and equipment using established QMP maintenance procedures and calendars. Diagnoses and solves equipment issues.
  • Strives to improve technical knowledge through the completion of the Quality Manufacturing Program and continually applies that knowledge in the production of all eyewear.
  • Performs multiple tasks simultaneously with accuracy and thoroughness despite time pressures and customer volume.
  • Utilizes product knowledge to determine the best manufacturing process for both routine and special orders to ensure the production of top quality eyewear in accordance within expected delivery time.
  • Attentive to detail with all measurements, calculations, equipment settings and defective product.
  • Takes initiative to notice and follow up on discrepancies; suggests improvements, recommends solutions and does what is necessary to ensure customer satisfaction.
  • Reviews Accufit and diagnoses vision care needs.
  • Operates Point of Sale inputting all lab statistics with accuracy and attention to detail.
  • Strives to achieve "Exceptional Results" on LensCrafters' annual CEI/Functional Skills that align with brand priorities.
  • Drives top line performance and bottom line optimization / profitability.
  • Takes pride in the appearance of the store and shows initiative in keeping the lab and stock room clean, organized and safe.
  • Complies with all safety/regulatory requirements ensuring supplies/chemicals are stored and used per chemical safety program. Keeps management informed of potential safety opportunities (i.e. broken tiles, equipment, etc.).
  • Demonstrates safe work practices including the wearing of personal protective equipment while in the lab.

BASIC QUALIFICATIONS
  • High School Graduate or equivalent
  • Strong customer service skills (internal and external)
  • Strong communicator and listener
  • Strong basic math skills
  • Organizational skills
  • Problem solving skills
  • Strong inter-personal skills (friendly, caring, patient)
  • Knowledge of store merchandise

PREFERRED QUALIFICATIONS
  • Optical training
  • Previous experience in optical
  • Experience with machinery

This posting is for an existing vacancy within our business. Employee pay is determined by multiple factors, including geography, experience, qualifications, skills and local minimum wage requirements. In addition, you may also be offered a competitive bonus and/or commission plan, which complements a first-class total rewards package. Benefits may include health care, retirement savings, paid time off/vacation, and various employee discounts.
EssilorLuxottica complies with all applicable laws related to the application and hiring process. If you would like to provide feedback regarding an active job posting, or if you are an individual with a disability who would like to request a reasonable accommodation, please call the EssilorLuxottica SpeakUp Hotline at 844-303-0229 (be sure to provide your name, job id number, and contact information so that we may follow up in a timely manner) or email HRCompliance@luxotticaretail.com.
We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, gender, national origin, social origin, social condition, being perceived as a victim of domestic violence, sexual aggression or stalking, religion, age, disability, sexual orientation, gender identity or expression, citizenship, ancestry, veteran or military status, marital status, pregnancy (including unlawful discrimination on the basis of a legally protected pregnancy or maternity leave), genetic information or any other characteristics protected by law. Native Americans in the US receive preference in accordance with Tribal Law.

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