Mass Spectrometry Internship Jobs (NOW HIRING)

Job DescriptionThe Associate Scientist (R1) is an entry-level scientific position responsible for supporting the development, qualification, validation, and application of bioanalytical methods used to quantify drug candidates, and metabolites in biological matrices. The successful candidate will perform laboratory experiments, analyze data, document results, and contribute to the delivery of high-quality bioanalytical data supporting preclinical and clinical drug development programs. This role provides an opportunity to develop technical expertise in regulated bioanalysis while working within a collaborative, multidisciplinary environment operating under Good Laboratory Practice (GLP) and GxP standards.Primary Responsibilities Conduct routine laboratory experiments supporting bioanalytical method development, qualification, validation, and sample analysis. Perform sample preparation, data acquisition, data review, and interpretation using established analytical platforms. Maintain accurate laboratory records, electronic notebooks, and study documentation in compliance with regulatory requirements. Assist in the preparation of study protocols, validation reports, study reports, and other regulatory documentation. Participate in troubleshooting analytical methods, instrumentation, and laboratory processes. Collaborate with scientists, project teams, quality organizations, and program stakeholders to ensure timely delivery of scientific data. Follow all company safety, environmental, and quality requirements. Contribute to laboratory operational excellence initiatives, including automation, process improvements, and continuous improvement projects. Communicate scientific findings effectively through presentations, technical summaries, and team discussions. -Required Qualifications Bachelor's Degree in Biology, Biochemistry, Chemistry, Pharmaceutical Sciences, Immunology, Molecular Biology, or another related scientific discipline Demonstrated laboratory experience through academic research, internships, co-op placements, or industry experience. Strong analytical and problem-solving skills. Ability to carefully follow experimental procedures and document work accurately. Effective written and verbal communication skills. Strong organizational skills and attention to detail. Ability to work both independently and collaboratively within a team environment. Preferred Qualifications Experience with regulated bioanalysis, GLP, Good Manufacturing Processes (GMP), or GxP environments. Hands-on experience with ligand binding assays, cell-based assays, Liquid Chromatography- Mass Spectrometry (LC-MS/MS), or automated laboratory platforms. Familiarity with biological sample handling and immunogenicity testing. Knowledge of (Food Drug Administration) FDA, (European Medical Agency) EMA, and (Internation Council for Haromisation) ICH bioanalytical method validation guidance. Experience with scientific data analysis and reporting software Key Success Factors Demonstrates a strong learning mindset and willingness to develop scientific expertise. Embraces feedback and continuously improves technical and professional skills. Maintains a high standard of scientific integrity and data quality. Prioritizes safety, compliance, and teamwork. Shows adaptability and curiosity in addressing scientific and operational challenges. clinicaltrialjobseligibleforERPRequired Skills: Adaptability, Clinical Research, Communication, Compliance Frameworks, Compliance Reporting, Data Analysis, Data Governance, Data Reporting, Project Coordination, Records Management, Stakeholder Relationship Management, TeamworkPreferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE US and Puerto Rico Residents Only:Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process. As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.--As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities.- For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:EEOC Know Your Rights EEOC GINA Supplement• We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another's thinking and approach problems collectively.Learn more about your rights, including under California, Colorado and other US State Acts The salary range for this role is $71,900.00 - $113,200.00This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee's position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs.The successful candidate will be eligible for annual bonus and long-term incentive, if applicable.We offer a comprehensive package of benefits.- Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits .You can apply for this role through https://jobs.merck.com/us/en (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting. San Francisco Residents Only: -We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance Los Angeles Residents Only: -We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance Search Firm Representatives Please Read Carefully-Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. -No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.-Employee Status: RegularRelocation:No relocationVISA Sponsorship:No Travel Requirements: 10%Flexible Work Arrangements:Not ApplicableShift:1st - DayValid Driving License:NoHazardous Material(s):N/AJob Posting End Date:08/12/2026 *A job posting is effective until 11:59:59PM on the day BEFORE -the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date. Requisition ID:R409068 Salary: . Date posted: 08/05/2026