OPT Clinical Microbiologist Jobs
Clinical Microbiologist jobs on OPT require STEM-designated programs, which qualify you for the standard 12-month OPT period plus a 24-month STEM extension, giving you up to three years of authorized work. Most employers in hospital systems, public health labs, and biotech firms are familiar with sponsoring STEM OPT workers through the E-Verify requirement.
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Get Access To All JobsPosition Summary
The Microbiologist II will provide support to the Quality Control Microbiology Laboratory. The Microbiologist II will work closely with the Microbiologist I and II personnel.
Job Responsibilities
- Effectively follow SOPs and company policies
- Perform various product and/or process testing for control and assurance of quality products including but not limited to testing for presence of endotoxin, sterility testing, bioburden testing on environmental and product samples
- Microbial Identification
- Conduct routine environmental monitoring, including but not limited to surface, active air, passive air, water for injection, and personnel
- Capture, record, analyze, and archive raw data
- Assist in trending of data
- Perform OOT and OOS investigations
- Identify and troubleshoot equipment problems
- Review data obtained for compliance to specifications and reports abnormalities
- Apply knowledge of good manufacturing practices and good laboratory practices on a daily basis
- Assist in training and direction of Microbiologist I
- Perform duties and responsibilities as requested by Microbiologists III and Manager of Microbiology
- This position may be involved with the transportation and handling of hazardous waste
Education Requirements
Bachelor’s Degree required; in microbiology preferred.
Experience Requirements
- 3 years in a scientific lab setting preferred (includes educational, research, or qc labs)
- Knowledge of aseptic techniques
- Knowledge of how to maintain an aseptic environment
- Knowledge of cGMP
- Experience in activities pertaining to aseptic manufacturing
- Ability to multi-task; work under pressure and time constraints
- Must be flexible and able to adapt to changes in task priority
- Excellent communication skills and ability to work positively and collaboratively a MUST
Position Summary
The Microbiologist II will provide support to the Quality Control Microbiology Laboratory. The Microbiologist II will work closely with the Microbiologist I and II personnel.
Job Responsibilities
- Effectively follow SOPs and company policies
- Perform various product and/or process testing for control and assurance of quality products including but not limited to testing for presence of endotoxin, sterility testing, bioburden testing on environmental and product samples
- Microbial Identification
- Conduct routine environmental monitoring, including but not limited to surface, active air, passive air, water for injection, and personnel
- Capture, record, analyze, and archive raw data
- Assist in trending of data
- Perform OOT and OOS investigations
- Identify and troubleshoot equipment problems
- Review data obtained for compliance to specifications and reports abnormalities
- Apply knowledge of good manufacturing practices and good laboratory practices on a daily basis
- Assist in training and direction of Microbiologist I
- Perform duties and responsibilities as requested by Microbiologists III and Manager of Microbiology
- This position may be involved with the transportation and handling of hazardous waste
Education Requirements
Bachelor’s Degree required; in microbiology preferred.
Experience Requirements
- 3 years in a scientific lab setting preferred (includes educational, research, or qc labs)
- Knowledge of aseptic techniques
- Knowledge of how to maintain an aseptic environment
- Knowledge of cGMP
- Experience in activities pertaining to aseptic manufacturing
- Ability to multi-task; work under pressure and time constraints
- Must be flexible and able to adapt to changes in task priority
- Excellent communication skills and ability to work positively and collaboratively a MUST
See all 36+ OPT Clinical Microbiologist Jobs
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Get Access To All JobsTips for Finding OPT Sponsorship in Clinical Microbiologist
Target STEM OPT-friendly employers early
Hospital networks, public health labs, and biotech companies are the most active sponsors for Clinical Microbiologist roles. Focus your search on employers with established STEM OPT reporting processes, since they understand the 24-month extension and E-Verify requirements already.
Confirm your degree qualifies for STEM OPT
Clinical Microbiology roles are typically sponsored under Microbiology, Biomedical Science, or Medical Laboratory Science CIP codes. Verify with your DSO that your program's CIP code appears on the STEM OPT designated degree program list before applying.
Apply at least 90 days before OPT expiry
STEM OPT extension applications must be filed before your current OPT expires. Submit your I-765 extension at least 90 days out, since processing can run four to five months without premium processing available for this category.
Address ASCP or AMT certification proactively
Many clinical microbiology positions require ASCP Board of Certification or AMT credentials. Completing certification during OPT strengthens your H-1B visa sponsorship case later, since certified specialists are more straightforwardly classified as specialty occupation workers.
Understand the E-Verify reporting obligation
Your employer must be enrolled in E-Verify to hire you on STEM OPT extension. Confirm this before accepting an offer. If they aren't enrolled, sponsorship falls through at a critical moment, and switching employers resets your reporting timeline.
Frame visa sponsorship around specialty occupation early
Clinical Microbiologist roles requiring a degree in microbiology, clinical laboratory science, or a related field fit cleanly within H-1B specialty occupation criteria. Communicate this to hiring managers upfront so the sponsorship conversation doesn't stall due to unfamiliarity with the pathway.
Clinical Microbiologist OPT: Frequently Asked Questions
Can I work as a Clinical Microbiologist on OPT?
Yes. Clinical Microbiology falls under STEM-designated degree programs, so you qualify for both the standard 12-month OPT authorization and a 24-month STEM extension if your degree's CIP code appears on the official STEM list. Your job must be directly related to your major field of study, which is straightforward for most microbiology or biomedical science graduates entering this role.
Do Clinical Microbiologist employers commonly sponsor OPT workers?
Hospital systems, public health laboratories, and pharmaceutical companies regularly hire STEM OPT workers for clinical microbiology roles and sponsor H-1B petitions afterward. Employers in regulated clinical settings tend to have HR infrastructure already familiar with E-Verify enrollment and OPT reporting requirements. You can browse employers actively hiring on Migrate Mate to identify which organizations have consistent sponsorship track records.
Does ASCP certification affect my OPT or visa sponsorship eligibility?
ASCP certification doesn't affect your OPT authorization directly, but it significantly strengthens your H-1B case when your employer files after OPT. Board certification demonstrates that the role requires specialized knowledge tied to a specific field of study, which supports the specialty occupation classification USCIS requires. Many hospital employers also require ASCP certification before making a full-time offer, so pursuing it during OPT removes a barrier to sponsorship.
What happens to my OPT if I switch employers in a clinical microbiology role?
You can change employers on OPT, but you must report the change to your DSO within 10 days and update your SEVIS record. On STEM OPT extension, your new employer must be enrolled in E-Verify and you must submit a new Form I-983 training plan. There's no waiting period, but working for a non-E-Verify employer on STEM OPT extension would violate your authorization.
Is a Clinical Microbiologist role considered a specialty occupation for H-1B?
Clinical Microbiologist positions that require a bachelor's degree or higher in microbiology, clinical laboratory science, or a directly related field generally satisfy H-1B specialty occupation criteria. Roles requiring ASCP board certification reinforce this classification. Job descriptions specifying generic degree requirements regardless of field create more scrutiny, so targeting employers whose postings require a specific scientific discipline strengthens the petition.