Manual Tester Internship Jobs (NOW HIRING)

Cresilon® is a Brooklyn-based biotechnology company that develops, manufactures, and markets hemostatic medical devices utilizing the company's proprietary hydrogel technology. The company's plant-based technology has revolutionized the current standard by stopping traumatic and surgical bleeds in seconds without the need for extended manual pressure. The company's current and future product lines target veterinary, human trauma, and human surgical applications. Cresilon's mission is to save lives. Learn more about the company at www.cresilon.com.
This Fall, Cresilon is looking to bring on interns from diverse fields in order for them to gain exposure into the industry.
There will be technical and non-technical internships available, which will focus on a specific project. Candidates will be exposed to all aspects of the industry regardless of their placement. The internship is a 14-week onsite program beginning on September 8, 2026 - December 11, 2026. Compensation will be fixed at $30.00/hour for 40 hours/week. Part time opportunities are also available. The application period closes on August 21st, 2026.
There are eight internship categories available. Please indicate your Top 2 choices in your attached cover letter:
1. Quality Assurance will also support Quality Operations & Compliance and Quality Engineering
Job Description QA: Interns will assist in establishing the Quality Management System, which serves as the backbone of all quality and regulatory requirements at Cresilon. Interns will help in maintaining the central document control system, implementing OSHA requirements, participating in inspections and reporting any non-conformances. Opportunities for compensated travel to conferences and other industry related events exist.
Quality Ops & Compliance: The intern will provide support to the Quality Operations and Compliance department in maintaining and improving the Quality Management System (QMS). This position will offer valuable exposure to ISO 13485 and FDA 21 CFR 820 requirements while assisting in day-to-day compliance activities. The intern's contribution will improve documentation practices, streamline review processes, and boost departmental efficiency while providing them with hands-on support. Opportunities for compensated travel to conferences and other industry related events exist.
QE: Interns will assist with product realization efforts, including design verification & validation, execute software validation activities, including specifications and qualification protocols. This position will provide hands on experience with conducting quality risk assessments as well as authoring risk documents.
2. R&D Formulation
Job Description: Interns will assist with conducting routine research and development on the subject of polymer formulation development, physical and chemical characterization of polymer materials, structure-property performance in-vivo and process scale-up. Interns will write up and present findings. Opportunities for compensated travel to conferences and other industry related events exist.
3. R&D Process Development
Job Description: Interns will assist with process development, equipment installation and qualification, creation and revision of Standard Operating Procedures (SOPs), fixture design, and process scale-up. Opportunities for compensated travel to conferences and other industry related events exist.
4. R&D Product Development
Job Description: Interns will assist with conducting routine research and development on the subject of designing, testing, and improving delivery devices for Cresilon's suite of products. Interns will write up and present findings. Opportunities for compensated travel to conferences and other industry related events exist.
5. Quality Control (Microbiology/Chemistry)
Job Description: Interns will assist with verifying conformance to in-process specifications and proposing and implementing QC assays. This program will involve working with aseptic technique and interfacing with the manufacturing team. Opportunities for compensated travel to conferences and other industry related events exist.
6. Data Engineering/ Business Intelligence
Job Description: Interns will assist with identifying new/existing data sources, consolidating and merging redundant datasets, creating and populating databases, designing and automating data entry and data reporting functions, and building extensive data analytics dashboards for continuous monitoring of the company's quality and manufacturing processes. Opportunities for compensated travel to conferences and other industry related events exists.
7. Regulatory Affairs
Job Description: The Regulatory Affairs Intern will support Cresilon's Regulatory Affairs team in advancing global compliance and market access for its medical device products. This internship provides a hands-on learning experience, with a primary focus on Regulatory Intelligence and global strategic research across multiple markets.
8.Mfg Process Production
Job Description: The Mfg Process Production Intern will qualify and onboard equipment, work with system implementation, process design, and fixture creation. Duties also include: working within a QMS, completing paperwork completely and correctly, scanning and uploading documentation to a validated eQMS, and assisting in production as required.
Requirements
Requirements for Research and Development Formulation Internship:

• Background in Chemistry, Biochemistry, Chemical Engineering, Materials Engineering, or similar
• Prior lab experience required.
• Graduate-level coursework preferred.

Requirements for R&D Process Development/Engineering Internship:

• Mechanical Engineering, Biomedical Engineering, Chemical Engineering, or similar
• Prior lab experience required.
• Industry experience preferred.

Requirements for R&D Product Development Internship:

• Background in Mechanical Engineering, Biomedical Engineering, or similar
• Prior lab experience required.
• Graduate-level coursework preferred.

Requirements for Manufacturing Internship:

• Background in Mechanical, Chemical, or Biomedical Engineering or similar.
• Graduate-level coursework and/or industry experience preferred

Requirements for Quality Assurance/Quality Operations & Compliance/ Quality Engineering Internship:

• Background in Chemistry, Biology, Quality Assurance, or similar
• Currently pursuing Bachelor's or Master's program in Engineering, preferably Biomedical Engineering or Chemical Engineering.
• Prior lab experience preferred

Requirements for Quality Control Internship:

• Background in Chemistry, Biology, Engineering, or similar
• Prior lab experience required

Requirements for Data Engineering/ Business Intelligence Internship:

• Background in Computer Science, Data Science, or similar
• Knowledge of SQL, VBA, Power Query, and/or Python preferred.
• Knowledge of statistics preferred

Requirements for Regulatory Affairs Internship:

• Currently pursuing or recently completed a Master's degree in Regulatory Affairs or a related field (Medical Device coursework preferred)
• Strong theoretical foundation in regulatory principles and frameworks
• Prior industry experience is a plus but not required
• A strong passion for regulatory science and a high level of curiosity and eagerness to learn are essential for success in this role.

Cresilon is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.
This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Cresilon makes hiring decisions based solely on qualifications, merit, and business needs at the time.
Benefits

• Interns will receive an unlimited Monthly MTA metro-card for the duration of the program.
• Free Food & Snacks
• Happy Hours
• Health Care Plan (Medical, Dental & Vision), FSA (Healthcare & Commuter Benefits) for eligible employees working 30 + hours a week
• Training
• The salary for this role is $30/hr