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Job Description MAST is seeking a Chemist II to support the development, optimization, scale-up, and production of advanced coatings, elastomers, adhesives, sealants, absorbers, conductive materials, and other polymer-based systems. This role serves as a key technical resource supporting formulation development, manufacturing process stability, customer qualification efforts, and new business growth across the EMI-Fire portfolio. The successful candidate will collaborate closely with Engineering, Operations, Quality, Supply Chain, Sales, Program Management, and customers to develop repeatable material solutions, troubleshoot manufacturing challenges, support qualification programs, and accelerate new product introductions. This position will primarily support MAST Technologies while also providing technical chemistry support to Swift, Spira, and other EMI-Fire businesses as needed. About MAST: MAST, an EMI-Fire business, develops advanced materials and engineered solutions for aerospace, defense, industrial, and emerging technology applications. Our products are designed to perform in demanding environments where material performance, reliability, and manufacturability are critical. Through collaboration across MAST, Swift, Spira, and other EMI-Fire businesses, we deliver innovative solutions that accelerate qualification, production readiness, and mission success. Key Responsibilities Formulation Development & Material Innovation • Develop, modify, and optimize formulations for coatings, elastomers, adhesives, sealants, absorbers, conductive materials, and specialty polymer systems., • Design and execute laboratory experiments and Design of Experiments (DOE) to support product development and process optimization., • Evaluate raw materials, fillers, additives, pigments, conductive agents, and specialty chemistries for performance, manufacturability, and cost improvement opportunities., • Conduct formulation studies to improve material performance, cure behavior, adhesion, durability, environmental resistance, and processability., • Support the transition of products from laboratory development through pilot and production scale-up., • Perform physical, mechanical, thermal, and chemical testing to evaluate product performance., • Analyze test results and prepare technical reports, recommendations, and development documentation., • Coordinate external laboratory testing and qualification activities as required., • Maintain formulation records, technical documentation, and development files to ensure traceability and protect internal technical knowledge. Production Support & Process Stability • Provide technical support to manufacturing operations to improve process consistency, yield, and product quality., • Investigate formulation, material, and processing-related nonconformances., • Lead or support root cause investigations, NCR/MRB activities, CAPA efforts, and corrective actions., • Establish and document manufacturing and application process parameters to improve repeatability and product performance., • Evaluate material variability and its impact on manufacturing consistency and customer requirements., • Drive data-based improvements to reduce scrap, rework, and process variation., • Support validation and implementation of manufacturing process improvements. Customer Qualification & Application Support • Support customer qualification programs through application trials, coupon testing, prototype builds, sample preparation, and validation activities., • Develop technical data packages and supporting documentation for customer evaluations and approvals., • Collaborate directly with customers to understand performance requirements and resolve application challenges., • Provide technical recommendations regarding material selection, processing requirements, and product performance., • Generate repeatable test data and application guidance to accelerate customer qualification timelines. Cross-Functional Business Support • Partner with Sales, Engineering, Program Management, Operations, and Supply Chain during quotation, proposal, development, and commercialization activities., • Assist with material selection and identify development requirements for new business opportunities., • Support Supply Chain in evaluating suppliers, raw materials, and alternative sources based on performance, availability, cost, and risk., • Provide technical input regarding development scope, project risk, and commercialization strategies., • Participate in customer meetings, technical reviews, supplier discussions, and program gate reviews., • Serve as the primary chemistry subject matter expert supporting MAST and other EMI-Fire businesses. Continuous Improvement • Identify opportunities to reduce material costs, improve yields, and optimize manufacturing processes., • Maintain awareness of emerging technologies, materials, and industry trends., • Recommend laboratory equipment, testing capabilities, and capital investments that support business growth., • Support a culture of safety, accountability, continuous improvement, and customer focus., • Perform other duties and projects as assigned. Qualifications Education • Bachelor's degree in Chemistry, Polymer Science, Chemical Engineering, Materials Science, or a related technical discipline required., • Master's degree preferred. Experience • 3–5 years of experience supporting coatings, polymers, elastomers, adhesives, sealants, composites, absorbers, or specialty materials. Preferred Experience • Formulation development of coatings, elastomers, adhesives, sealants, absorbers, or specialty polymer systems., • Aerospace, defense, industrial manufacturing, or advanced materials environments., • Manufacturing scale-up, process optimization, and troubleshooting., • Customer qualification programs, application trials, and validation activities., • Design of Experiments (DOE) and statistical analysis methods. Skills • Strong understanding of polymer chemistry and formulation science., • Knowledge of coating technologies, rheology, curing mechanisms, and material processing., • Hands-on laboratory and manufacturing experience., • Strong analytical, troubleshooting, and problem-solving abilities., • Ability to interpret technical data and develop practical solutions., • Effective written, verbal, and interpersonal communication skills., • Proficiency with Microsoft Office applications., • Experience with laboratory testing equipment and analytical techniques., • Strong organizational skills and attention to detail., • Ability to manage multiple priorities in a fast-paced environment., • Ability to obtain and maintain a U.S. security clearance preferred. Benefits: At MAST, we recognize how important your career and benefits are to you and your family. We offer a full suite of benefits, including medical, dental, vision, short and long-term disability coverage, accident insurance, critical illness insurance, basic and supplemental life insurance, employee assistance plan, retirement savings and matching, and other developmental opportunities. We are committed to supporting the way you live and work. MAST is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected status. Applicants requiring reasonable accommodation to complete the application process may contact Human Resources. This position requires access to information subject to the International Traffic in Arms Regulations (ITAR). Employment is contingent upon the applicant being a “U.S. person” as defined by ITAR (22 CFR §120.15), which includes U.S. citizens, lawful permanent residents, refugees, or asylees, as required by U.S. export control laws.

Job Description Beloteca, Inc. is a generic pharmaceutical development company specializing in the development of injectable products. It is desirable that the candidate have past practical experience and education in handling chemicals, operating laboratory equipment, generating and manipulating data, as well as computer database and word-processing skills. Job Description: • Independent execution of various standard laboratory techniques, including but not limited to H/UPLC, GC, water content analysis per USP, appearance assessment, water activity per USP, • May participate in qualification/verification of assays, • Assay and documentation review and report writing, • Responsible for exhibiting professional behavior with both internal and external business associates that reflects positively on the company and is consistent with the company’s policies and practices., • Execution of more advanced analytical techniques with assistance such as LC/MS, DSC, and TGA, • Independent preparation of samples, solutions, instrument set-up and breakdown, • Independent preparation of data packets and creation of stability data sheets and Certificates of Analysis to summarize analytical testing, • Assisted participation in Out of Specification investigations and the documentation of analytical deviations along with Qualified Investigators and management, • Understand and apply ICH and FDA guidance Basic Qualifications: • BS in Biology, Chemistry and/or related science discipline., • Computer literacy in Windows applications and the MS Office., • Excellent oral and written communication skills are essential., • Minimum of 3 years experience with HPLC, UPLC, GC, Karl Fisher, pH, • Maintain a safe working environment for all employees, ensuring compliance to all local, state, and federal codes and regulations. Preferred Qualifications: • Ability and willingness to work flexible hours., • Great attention to detail, quality, and a desire for success., • Self-motivated individual with the ability to learn, lead and strengthen the Beloteca, Inc. team.

Job DescriptionDescription: Company Overview: Vividion is a next generation biotechnology company based in San Diego that is leveraging its proprietary chemical proteomics platform to conduct proteome-wide foot printing of drug-protein interactions with unprecedented breadth and precision. Our technology allows us to screen, identify and optimize novel drugs that selectively bind virtually any protein, including proteins previously considered “undruggable”. Our pipeline and emerging programs reflect a matured and productive platform capable of delivering first in class drugs utilizing novel mechanisms of action (allosteric inhibitors, protein-protein interaction inhibitors, functional activators, degraders etc.) against undruggable targets in the oncology and immunology space. We prize scientific excellence, creativity, team players and we are committed to continued innovation. We have worked hard to create a collaborative and dynamic work culture where your ideas and discoveries are valued and will have an impact. We are growing and there are opportunities for mentorship and career progression. Vividion has been recognized as a Top Workplace by The San Diego Union-Tribune from 2022 to 2025. Job Summary: We are currently seeking a Scientist I level Computational Chemist to join our fast-paced computational chemistry department. This role will be responsible for supporting drug discovery efforts across several programs at various lead optimization stages by applying structure and ligand-based CADD methods. By working closely with medicinal chemists to design new analogs for subsequent synthesis, this scientist will intellectually contribute to multiple programs to advance chemical matter across various protein targets. A successful candidate will become an essential member of the drug discovery team at Vividion. Applying their expert knowledge, they will provide insights to guide the design of new drugs and creatively implement computational methods to improve the efficacy of drug design. They will be able to balance a diverse number of projects adjusting priories based on strategic need. Requirements: Essential Duties and Responsibilities: • Work as an integrated member of project teams providing computational chemistry support., • Apply cutting-edge structure and ligand based CADD methods to identify and evaluate novel chemical matter with medical chemists., • Keep current in CADD methods while integrating and developing new approaches based on the project's needs., • Work with IT to maintain and expand computing resources., • Report and present work to project teams and the broader company, including education on computational methods. Educational and Experience Requirements: • Ph.D. in computational chemistry or related field, • Industrial drug discovery experience and/or post-doctoral preferred, • A strong understanding of medical chemistry/SAR, structural biology, and biochemistry, • Expertise in commercial molecular modeling software (Schrodinger Suite (Highly Preferred), CCG, OpenEye, etc.), • Experience with a diversity of computational methods, including but not limited to docking, MD, free energy of binding methods (highly desired), homology modeling, QSAR modeling, pharmacophore modeling, QM methods, and chemoinformatics, • Experience programming or scripting (Python experience preferred), • Due to the nature of the work, a candidate with a strong understanding of biology is desirable. Required Key Attributes: • Effective troubleshooting and problem-solving skills, • Excellent computational skills, • Excellent oral and written communication skills, • Be an effective team player and strong individual contributor, flexible, and able to handle multiple tasks and deliver high quality results under tight timelines Pay & Benefits: The anticipated base salary for this position ranges from $120,000 to $135,000 depending on relevant skills, competencies, experience, and education. In addition, this position is eligible for target bonus, long-term-incentives, 401k retirement savings plan with company match, and a comprehensive benefits package which includes medical, dental, vision, life, and disability insurance. EEO & Employment Eligibility: Vividion Therapeutics, Inc. is an equal opportunity employer. All applicants will receive consideration for employment without regard to disability or veteran status. Privacy Policy: The protection of your personal information is a commitment we take seriously. For information regarding our Privacy Policy (CA candidates) please visit https://vividion.com/privacy-notice/.

About Mercor’s talent network Join our Chemist Expert Network to connect with leading AI labs and companies seeking your expertise. About Mercor projects Experts in our network contribute to: - Training and evaluating AI models in Chemistry - Creating tasks and deliverables based on real-world

Grifols is seeking a Bulk Formulation Chemist I in San Diego, CA to manufacture clinical kit reagents. Ideal candidates should have a Bachelor’s in Microbiology, Biology, Chemistry, or related field.

PolyPeptide US in San Diego is seeking a Quality Control Chemist to perform analytical testing and ensure product quality according to GMP standards.

HPLC, ninhydrin tests) Ensure proper material handling, inventory management, and ERP documentation following ALCOA+ principles Maintain high standards of safety, cleanliness, PPE usage, and 5S practices Communicate effectively with cross‑functional teams including QA, QC, Maintenance, Engineer

MillenniumSoft Inc is looking for a Production Chemist II in La Jolla, CA to manufacture Sirigen products, focusing on polymer synthesis and quality control processes.

Work collaboratively with R&D, Process Development, Quality Control, and other Production Chemists/Supervisor to ensure successful transfer of new products into Production. Position: Production Chemist II Location: La Jolla, CA Duration: 12 Months Contract Total Hours/week: 40. Shift: 1st Shift Job

MillenniumSoft Inc is seeking a Production Chemist I in San Diego, CA, to support the manufacture and processing of polymers.

Summary Grifols Diagnostics Solutions is seeking a Bulk Formulation Chemist I in San Diego, CA. In order to be successful in this position, we are looking for at least a Bachelors Degree in Microbiology, Biology, Chemistry, Chemical Engineering or related field. Working knowledge of Microbiology, Bi

Bachelor’s degree in biology, Biochemistry or Chemistry, with specialization in synthetic or analytical chemistry preferred. Seeking a highly motivated and team-oriented Manufacturing Chemist with experience in organic synthesis to join our Nucleotide Manufacturing group. The candidate should have

MillenniumSoft Inc in San Diego is seeking a Chemist for a 12-month contract. Candidates should have a BS in Chemistry and at least 2 years of laboratory experience.

Neomorph in San Diego, California is seeking a talented medicinal chemist to lead medicinal chemistry strategy and contribute to drug design efforts.

Vertex Pharmaceuticals Inc (US) is looking for an on-site Principal Research Associate in Analytical Chemistry focused on small molecule purification and analytical characterization. The role includes optimizing SFC and HPLC methods to support medicinal chemistry programs.

Vertex Pharmaceuticals is seeking a Principal Research Associate in San Diego to support medicinal chemistry programs by purifying small molecules using HPLC and SFC.

Bachelor’s degree in Biochemistry or Chemistry highly preferred. Position Summary Seeking a highly motivated and team-oriented Manufacturing Chemist with experience in oligonucleotide and analytical instrument to join our Primer Manufacturing group. The candidate should have at least one year of c

Manpower San Diego is seeking a highly motivated Manufacturing Chemist to join their Nucleotide Manufacturing group.

Position: Production Chemist I Location: San Diego, CA Duration: 12+ months contract Total Hours/week: 40. Job Summary The Production Chemist I supports the manufacture, analysis, and processing of polymers from raw material, intermediate, to finished goods inventory. Responsibilities Perform a v

Torrey Holistics is seeking an Industrial Coatings Formulation Scientist in San Diego, CA to shape the chemistry and performance of next-generation coatings.

MillenniumSoft Inc is seeking a Production Chemist I in San Diego, CA.

TPP CDMO is hiring a full-time Quality Control Chemist located in San Diego, CA. Candidates should have a Bachelor’s degree in Chemistry or a related field along with strong laboratory skills and attention to detail.

MillenniumSoft Inc is seeking a Quality Control Chemist to conduct analytical testing and ensure quality in raw materials and products. Degree in Chemistry, Engineering, or Life Science and entails various responsibilities, including polymer characterization and data reporting.

California Clinical Laboratory Scientist (CLS) Generalist license - CA Department of Public Health OR California Clinical Chemist Scientist License - CA Department of Public Health OR California Clinical Microbiologist Scientist License - CA Department of Public Health OR California Clinical Toxicol

Job Title Quality Control Chemist. Job Summary The Quality Control Chemist I conducts various analytical testing of raw materials, semi-finished intermediates, finished products, and new compounds/products in various stages of design and development to characterize and determine quality. Degree in C

California Clinical Laboratory Scientist (CLS) Generalist license - CA Department of Public Health OR California Clinical Chemist Scientist License - CA Department of Public Health OR California Clinical Microbiologist Scientist License - CA Department of Public Health OR California Clin

California Clinical Laboratory Scientist (CLS) Generalist license - CA Department of Public Health OR California Clinical Chemist Scientist License - CA Department of Public Health OR California Clinical Microbiologist Scientist License - CA Department of Public Health OR California Clinical Toxicol

MillenniumSoft Inc is seeking an Entry Level Quality Control Chemist I in San Diego, CA. Degree in Chemistry, Engineering, or Life Science is required, along with relevant industry experience.

Neurocrine Biosciences, located in San Diego, CA, is seeking a skilled Chemist with expertise in organic synthesis and medicinal chemistry.

Summary Grifols Diagnostics Solutions is seeking a Bulk Formulation Chemist I in San Diego, CA. In order to be successful, the candidate must hold at least a Bachelor’s Degree in Microbiology, Biology, Chemistry, Chemical Engineering or related field. Working knowledge of Microbiology, Biology, or

Qualifications Proficiency in Quality Control processes and standards Strong Laboratory Skills, including conducting tests and sample analysis Analytical Skills for interpreting data and solving technical problems Experience with Laboratory Equipment maintenance, operation, and Calibration Atte

QuidelOrtho is seeking a Production Chemist in San Diego, CA, to support manufacturing goals and operate lab equipment under GMP compliance.

Compensation This role offers a base salary of $100,000 - $130,000, along with meaningful equity ownership and competitive benefits.

Vertex Pharmaceuticals Incorporated in San Diego seeks an on-site Principal Research Associate in Analytical Chemistry. The role supports medicinal chemistry through small molecule purification and analytical characterization, emphasizing expertise in HPLC and SFC purification.

MillenniumSoft Inc is seeking a Production Chemist II in San Diego, CA to support the manufacture and analysis of commercial dyes. Ideal candidates will possess a strong background in chemistry, supported by experience in an ISO or GMP environment.

A global healthcare leader in San Diego is seeking a Chemist to perform compound synthesis, purification, and characterization. The role requires a Master's degree in a relevant STEM field and experience in designing new molecules and completing organic chemistry reactions.

Operate under strict QSR and ISO compliance Performs complex formulations, component and material evaluations, equipment calibrations and maintenance Formulates complex chemistries and solutions as directed, following established guidelines and procedures Carries out duties in compliance with est

MillenniumSoft Inc is looking for a Chemist I in San Diego, CA to conduct various analytical testing for a medical device company. Chemistry, Engineering, or Life Science, and preferably 1 year of relevant industry experience.

MillenniumSoft Inc is looking for an Entry-Level Quality Control Chemist I in San Diego, CA. Degree in Chemistry, Engineering, or Life Science, along with strong attention to detail and organizational skills.

Degree in Chemistry, Engineering, or Life Science Strong attention to detail and organizational skills Works well in a team‑based environment and independently Job Description The Quality Control Chemist I conducts various analytical testing of raw materials, semi‑finished intermediates, fin

Shift : 1st Shift Client : Medical Device Company Job Category : Research & Development Level Of Experience : Mid-Level Employment Type : Contract on W2 (Need US Citizens Or GC Holders Only) Standard 8-hr shift; 8-5 pm (including lunch) Must Haves On The Resume Industry laboratory experience

Qualifications & Skills Bachelor’s degree in chemistry, Engineering or related field with strong understanding of organic and analytical chemistry. JOB DESCRIPTION Reports to: Technical Director FLSA Status: Full-Time Exempt Supervisory Responsibilities: None Position Overview As a Paint & Coa

Qualifications Master’s degree in Chemistry, Organic Chemistry, Medicinal Chemistry, or a related STEM field. Integrate emerging analytical chemistry, computational design technologies, automation chemistry, and biophysical methods into drug discovery. Responsibilities Eli Lilly and Company seeks

MillenniumSoft Inc is looking for a Production Chemist I in San Diego, CA. Degree in Chemistry or a related field and involves supporting polymer production and analysis.

Westcoat Specialty Coating Systems in San Diego, CA, is hiring a Paint & Coatings Chemist to oversee quality control in their manufacturing process.

Degree in Chemistry, Engineering, or Life Science Strong attention to detail and organizational skills Works well in a team-based environment and independently Job Description The Quality Control Chemist I conducts various analytical testing of raw materials, semi-finished intermediates, finishe

California Clinical Laboratory Scientist (CLS) Generalist license - CA Department of Public Health California Clinical Chemist Scientist License - CA Department of Public Health California Clinical Microbiologist Scientist License - CA Department of Public Health California Clinical Toxicologist Sci

Job Title Production Chemist I Location San Diego, CA Contract Term 12+ Months Shift 1st Shift Job Summary The Production Chemist I supports the manufacture, analysis, and processing of polymers from raw material, intermediate, to finished goods inventory. Degree in Chemistry, Engineering, or Life S