Microbiologist

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

Benefits offered by this job

401(k)

401(k) matching

Bonus based on performance

Health insurance

Paid time off

Job summary

Long Island Labs LLC in Hauppauge, NY is seeking a hands‑on Microbiologist to perform media prep, operate autoclaves, and conduct USP microbiological testing under GMP/ISO expectations.

You will document results, maintain logs, and support EM, GPT, and routine equipment checks to ensure ISO 17025 readiness. This on‑site role requires a BS in Microbiology or related field and 1+ year of lab experience with strong aseptic technique and attention to detail.

Qualifications

• BS in Microbiology, Biology, related field or 3+ years industry experience.
• 1+ year hands‑on microbiology lab experience 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.

Responsibilities

• Perform microbial testing per USP <61>/<62> for raw materials and finished products.
• Prepare and sterilize media, buffers, and reagents; label, track inventory.
• Run autoclave cycles and verify parameters; complete logs.
• Conduct viable air and surface monitoring; trend results and investigate excursions.
• Maintain daily calibrations/verification for pH meters and balances; log and escalate issues.
• Draft/review SOPs and maintain ISO 17025–ready documentation.

Skills

Media prep

Autoclaves

Aseptic technique

Documentation (GDP)

USP testing workflows

EM experience

Instrument calibration

Attention to detail

Education

BS in Microbiology or related field

Tools

SAS Duo 360

BSC (biosafety cabinet)

pH meters

Balances

Job description

Benefits

• 401(k)
• 401(k) matching
• Bonus based on performance
• Health insurance
• Paid time off

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; elevate issues as needed.

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