Intern - Project Administrator, Summer 2025. Enterprise Mobility Through this robust global network, we operate a fleet of over 2.3 million vehicles and provide a comprehensive portfolio of transportation solutions, including car rental, carsharing, vanpooling, car sales, truck rental, vehicle-subscription and affiliated fleet management services. As a total mobility provider, we serve the needs of a wide variety of customers, businesses, government agencies and organizations every day. St. Louis, MO, US, 63146Posted 4 hours ago Technician II, Production Support (Equipment Cleaning/Assembly) Thermo Fisher Scientific The candidate will be responsible for cleaning of primary, secondary, and ancillary equipment, and assembly of production related manufacturing tanks, vessels, and line assemblies in support of the manufacture of Commercial and Clinical Biologics. Additional activities consist of but are not limited to visual inspections of equipment, supplies and tools, operation of autoclaves, and operation of industrial washers in compliance with standard cGMP documented practices. St. Louis, MO, US, 63146Posted 4 hours ago Software Rust Engineer I. Mastercard We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. O'Fallon, MO, US, 63366Posted 4 hours ago Sr Technician, Production Support (Equipment Cleaning/Assembly) Thermo Fisher Scientific The candidate will be responsible for cleaning and sanitizing the manufacturing facility, cleaning of primary, secondary, and ancillary equipment, and assembly of production related manufacturing tanks, vessels, and supply assemblies in support of the manufacture of Commercial and Clinical Biologics. Additional activities consist of but are not limited to formulation of cleaning solutions, visual inspections of equipment and supplies and tools, operation of autoclaves, and operation of industrial washers in compliance with standard cGMP documented practices. This individual will be responsible for following Current Good Manufacturing Practices (cGMPs). St. Louis, MO, US, 63146Posted 4 hours ago Sr. Technical Program Manager. Mastercard Security Engineering & Shared Services (part of Customer Connectivity) team is looking for a Senior Technical Program Manager to drive cross cutting initiatives that span across multiple programs. You will manage the implementation of multiple projects/programs ensuring product/engineering strategy goals and requirements are delivered with quality. O'Fallon, MO, US, 63366Posted 4 hours ago Onsite Job Fair - Sept 19th (St. Louis) Thermo Fisher Scientific Our St. Louis site is growing! We're currently hiring Manufacturing Technicians within our Production Support, Buffers & Media and Upstream/Downstream departments. Meet us at our onsite job fair on Thursday, Sept 19th, between 8:00-3:00pm CST. Register today by "applying" online and a Recruiter will be in touch to schedule you with our hiring team! Registration required; no walk-in participation allowed. St. Louis, MO, US, 63146Posted 4 hours ago Building Maintenance Technician II, 2nd shift. Thermo Fisher Scientific Supply improvement ideas and suggestions to help continue the success of the plant. Associates will operate, maintain, and calibrate standards and lab equipment. Perform calibrations in a clean room environment. Additionally, assist facilities in accurately troubleshooting all production equipment associated within the department to prevent and/or correct mechanical & electrical breakdowns following strict product safety & cGMP regulations. Associates must have the ability & initiative to lead & participate in plant problem-solving teams, communicate effectively, demonstrate leadership & plan efficiently. Associates will work in a fast paced environment & be able to efficiently communicate. Work well in a team with limited supervision, and be available to work any shift, weekends and holidays if needed. St. Louis, MO, US, 63146Posted 4 hours ago Lead Security Issue Manager. Mastercard We are seeking a Lead Security Issue Manager to play a critical role on this team by driving documented shortfalls in security controls to resolution. You will apply your practical knowledge of technical controls and leverage data visualization tools to identify issues requiring the attention of asset owners and senior managers, and you will facilitate the disposition of issues in a workflow involving multiple stakeholders. O'Fallon, MO, US, 63366Posted 4 hours ago Lead BizOps Engineer. Mastercard We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. O'Fallon, MO, US, 63366Posted 4 hours ago Manager - US Fintech & Portfolio Optimization. Mastercard We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. O'Fallon, MO, US, 63366Posted 4 hours ago