We have an opening for a Chemistry and Materials Science Technologist/Senior Technologist. You will provide general technical support for new and ongoing programmatic activities, primarily involving polymer materials. Working independently or collaboratively, you will prepare and characterize materials, operate equipment, conduct system testing, and support related laboratory activities. Responsibilities may include executing experiments; collecting, analyzing, and reporting data; managing hazardous, radioactive, and other materials and waste; setting up, troubleshooting, and maintaining equipment; and maintaining good housekeeping in laboratory and office areas. Some tasks may require the use of respiratory protection equipment. You will be assigned to the Plastics Group within the Materials and Nondestructive Evaluation Section, Materials Engineering Division, Engineering Directorate. Your primary assignment will be in the Polymer Characterization work center. This position requires full-time on-site presence due to the nature of the work that may require occasional overtime and travel. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will  Provide solutions to moderately complex technical problems under general supervision. Provide technical analysis and processing support for material sampling, sample preparation, testing, and characterization, primarily involving polymers. Operate and maintain thermal analysis, rheological, mechanical testing, and other materials characterization equipment, as well as gloveboxes and fume hoods. Track equipment calibrations and support routine maintenance activities. Maintain system documentation and experimental records, including laboratory notebooks, experimental setups, data analyses, reports, and presentations. Identify, troubleshoot, and help resolve technical and operational issues. Apply knowledge of chemistry and materials science to material preparation and testing, including formulation, compounding, casting, molding, and powder processing. Collaborate with customers and team members to support testing requirements, meet established schedules, and communicate results, technical issues, and schedule changes. Follow written operating and safety procedures in accordance with Environment, Safety, and Health, security, and other Laboratory requirements and policies. Perform other duties as assigned. Additional job responsibilities, at the 504.3 level Provide advanced solutions to complex technical problems under minimal supervision. Apply advanced knowledge of chemistry and materials science technologies to interpret requirements, evaluate processes, and analyze results. Serve in a technical lead role, as assigned, including establishing priorities, schedules, and requirements.