Microbiologist

Long Island Labs Llc; New York (NY); On-site; USD 65,000 - 95,000; Full time

Job summary

Long Island Labs LLC is hiring a hands-on Microbiologist to prepare media, operate autoclaves, and perform daily instrument checks while executing USP microbiological testing with strict aseptic technique and thorough documentation.

The role focuses on sample testing per USP guidelines, media qualification, environmental monitoring, and maintaining ISO 17025–ready records. On-site work with standard lab hours and safety practices.

Qualifications

• BS in Microbiology, Biology, related field or 3+ years industry experience.
• 1+ year hands-on microbiology lab experience (academic, internship, or industry).
• Working knowledge of USP <61>/<62>/<2021>/<2022> workflows, GPT/media suitability, and basic EM.
• Strong GDP and attention to detail.

Responsibilities

• Perform microbial enumeration per USP <61>/<2021> and USP <62>/<2022> for materials and finished products.
• Prepare media, run autoclave cycles, and verify cycle parameters with logs.
• Conduct environmental monitoring of air and surfaces and trend results.
• Document GDP-compliant batch records, logs, GPT records, and instrument checks.
• Draft/review SOPs and method verifications; maintain ISO 17025–ready documentation.
• Support audits and implement corrective actions.

Skills

Attention to detail

GDP Knowledge

Documentation

Aseptic technique

Teamwork

Education

BS in Microbiology or related field

Tools

Autoclave operation

BSC operations

Job description

Job Description

Job Description

Long Island Labs LLC is a third-party laboratory focused on raw materials and finished products in the nutritional & dietary supplements space. We operate to USP compendial methods and maintain ISO 17025–ready systems. We’re hiring a hands‑on Microbiologist to prepare media, operate autoclaves, perform daily instrument checks, execute USP microbiological testing, and keep the lab humming with strong aseptic technique, documentation, and housekeeping.

Sample testing (USP)

• Perform microbial enumeration per USP <61> / <2021> and specified microorganisms per USP <62> / <2022> for raw materials and finished products.
• Execute appropriate sample prep, dilutions, neutralizers (as applicable), and transfers using aseptic technique in a BSC.
• Document OOS/atypical results, support root cause analysis, and assist with CAPA actions.

Media preparation & qualification

• Prepare and sterilize media, buffers, and reagents; label, lot, and track inventory.
• Run autoclave cycles (liquids/solids/waste), verify cycle parameters, and complete logs.
• Perform Growth Promotion Testing (GPT) / media suitability in alignment with USP and internal SOPs.

Environmental Monitoring (EM)

• Conduct viable air and surface monitoring, maintain EM maps/schedules, and trend results.
• Investigate excursions and support continuous improvement; align with GMP expectations and USP <1116> principles.

Equipment operations & daily checks

• Perform and document daily calibrations/verification for pH meters and balances; escal…
• Operate and maintain autoclaves, incubators, biosafety cabinets, and EM samplers (e.g., SAS Duo 360 or equivalent).
• Support IQ/OQ/PQ activities and routine equipment maintenance as assigned.

Compliance & documentation

• Follow Good Documentation Practices (GDP); maintain accurate batch records, EM logs, autoclave logs, GPT records, and instrument check sheets.
• Draft/review SOPs, forms, and method verifications; maintain ISO 17025–ready documentation.
• Participate in internal/external audits and implement corrective actions.

Housekeeping & safety

• Perform daily room cleanings, wipe-downs, and routine lab maintenance; manage biohazard waste and chemical hygiene per SOPs.
• Maintain a safe work environment with proper PPE and aseptic practices.

Minimum qualifications

• BS in Microbiology, Biology, related field or 3+ years industry experience.
• 1+ year hands‑on microbiology lab experience (academic, internship, or industry) with media prep, autoclaves, and aseptic technique.
• Working knowledge of USP <61>/<62>/<2021>/<2022> workflows, GPT/media suitability, and basic EM.
• Strong GDP and attention to detail.

Nice to have (preferred)

• Experience with USP <85> Bacterial Endotoxins Test (LAL).
• Prior work in an ISO 17025 or GMP environment.
• Exposure to method validation/verification and assisting with equipment IQ/OQ/PQ.
• Experience with microbial ID tools (e.g., MicroSEQ, Vitek 2, MALDI-TOF) a plus.
• Experience with rPCR and Flow cytometer.

Physical & schedule requirements

• On-site role; standard business hours.
• Ability to stand for extended periods and lift up to ~35 lbs.
• Consistent use of PPE.

What success looks like (first 90 days)

• Consistent, correct media prep + GPT execution with complete logs.
• Reliable daily pH/balance checks and well‑maintained autoclave and EM records.
• Competent, on‑time execution of USP 61/62/2021/2022 tests with clean documentation.
• Proactive contribution to EM trending and lab housekeeping standards.

Job Type: Full-time