Top Internships in St. Louis, MO

Paid 11-week corporate internship supporting the company’s procurement technology ecosystem, including Ariba, SAP, and Fieldglass. Responsibilities include end-user support, access and security management, upgrades, testing, outage response, vendor coordination, and continuous process improvement. Interns also participate in professional development, networking, mentorship, cross-functional projects, and presentations.

Paid, full-time software engineering internship supporting Microsoft 365 collaboration tools. The intern will help administer and troubleshoot SharePoint Online, OneDrive, Power Apps, and Power Automate; respond to user support tickets; gather business requirements; develop applications and workflows; research platform features; and document solutions. The role includes mentorship, professional development, networking, and cross-functional internship activities.

Paid, full-time software engineering internship supporting customer-context data patterns, decision-engineering tools, requirements analysis, and data-platform product development. Interns spend approximately 80% of their time on department projects and 20% on professional development, networking, mentorship, community service, and presentations. The role runs for 11 weeks during summer 2027.

Paid, full-time 11-week internship supporting billing solutions and telecommunications technology initiatives. Responsibilities include using AI to improve customer experience processes, analyzing business partner operations for improvement opportunities, and translating business requirements into functional specifications for technology platforms. Interns also participate in professional development, networking, mentorship, cross-functional projects, and presentations.

Supports AI engineering initiatives at Vantor, contributing to spatial intelligence solutions and helping develop technologies that enable customers to understand current and future conditions. The posting provides limited role-specific responsibilities but emphasizes problem-solving, innovation, collaboration, and mission-focused work. Applicants must qualify as a U.S. Person under applicable export control and ITAR requirements.

Paid, full-time software engineering internship supporting customer-context data patterns, decision-engineering tools, requirements analysis, and data-platform products. Interns collaborate with department teams, participate in professional development, networking, mentorship, and cross-functional activities. Candidates must be rising seniors pursuing a bachelor’s degree, maintain at least a 3.0 GPA, and be authorized to work in the U.S. without current or future employment-based sponsorship.

Nine-week summer internship supporting the Credit team in evaluating borrower creditworthiness and managing bank risk. The intern will track credit logs, learn financial spreading and covenant testing, and observe or contribute to credit committee meetings. The role provides training and development for undergraduate students interested in banking, credit, and financial analysis.

Nine-week summer internship supporting the Credit team at a bank. The intern will learn to track and update credit logs, practice financial spreading and covenant testing under supervision, and observe or contribute to credit committee meetings. The role provides training and development for undergraduate students interested in credit, lending, financial analysis, and risk management.

Supports the Credit team by tracking credit logs, practicing financial spreading and covenant testing, and observing lending committee reviews. The internship provides hands-on exposure to borrower creditworthiness analysis, financial risk management, and banking operations while developing professional and leadership skills.

Nine-week credit internship supporting bank credit analysts. Responsibilities include updating credit logs, practicing financial spreading and covenant testing under guidance, and observing or contributing to credit committee meetings. The role provides training and development for undergraduate students interested in banking, credit, and financial analysis.

Nine-week credit internship supporting bank credit analysts. The intern will learn to update credit logs, perform financial spreading and covenant testing under guidance, and participate in credit committee meetings. The role provides training and development for undergraduate students interested in credit, lending, and financial analysis.

Nine-week summer internship supporting the bank’s Credit team. The intern will learn to track and update credit logs, practice financial spreading and covenant testing under guidance, and observe or contribute to credit committee meetings. The role provides exposure to borrower creditworthiness analysis, lending decisions, and risk management while developing professional skills through training and educational opportunities.

Assist the State and Local Tax team with preparing tax returns, organizing filing and audit documentation, researching tax laws, responding to notices and inquiries, and performing data entry, reconciliations, and analysis using Excel or tax software. The intern will collaborate with tax professionals, participate in training, and gain practical experience in multistate tax compliance, research, and consulting.

Graduate law interns conduct legal research supporting commercial title underwriting decisions, analyze real estate law issues, review title insurance policies and endorsements, participate in risk analysis discussions, and shadow underwriters on active transactions. The role provides exposure to title insurance, real estate law, financial services, underwriting systems, legal workflows, and risk management while developing professional communication and analytical skills.

Supports third-party attestation engagements by testing and documenting internal controls, reviewing control systems, preparing reports and recommendations, maintaining work papers, and collaborating with engagement teams and clients. The intern will learn to prepare SOC, HITRUST, ISO, WebTrust, and related compliance reports while applying accounting or information systems education.

Paid Summer 2027 intern supporting the analysis, design, documentation, coordination, and implementation oversight of low-voltage technology systems for building projects. Responsibilities include researching equipment, coordinating with multidisciplinary teams and suppliers, maintaining project records, reviewing documents, supporting addenda, monitoring design progress, and conducting job site observations. The role provides mentorship and hands-on experience in technology consulting and building design.

Supports project control leads and managers throughout project initiation, planning, monitoring, controlling, and closing. Uses Power BI dashboards, scheduling, and forecasting tools to analyze project health, control project activities, and report insights to project managers and leadership. This summer internship is designed to build foundational project management and project controls experience.

PhD intern supporting Boeing’s Computational Fluid Dynamics group in developing and enhancing aerodynamic analysis tools. Responsibilities include adding time-dependent fluid and multidisciplinary modeling capabilities to internal CFD software, improving simulation efficiency, benchmarking current methods, and collaborating with code developers and application engineers. The role is fully onsite in St. Louis and requires knowledge of compressible flows, turbulence modeling, CFD, and numerical methods for unstructured grids.

PhD intern supporting aerospace composite materials and structures research. Responsibilities include developing engineering requirements, conducting composite material characterization and testing, evaluating advanced manufacturing technologies, performing failure analysis, supporting supplier qualification, analyzing experimental data, and preparing technical reports and presentations. The role is fully onsite in St. Louis and involves collaboration with manufacturing, design, supply chain, and suppliers.

Engineering interns gain hands-on experience supporting bridge, heavy civil, and marine construction projects. Duties may include learning construction safety, quality, heavy lift planning, estimating, contract management, scheduling, and inspection while working with field or office engineers. Interns may work at project sites or offices across the United States and complete local and occasional jobsite travel.

Supports supply chain leadership by analyzing inventory, production planning, service levels, freight costs, and operational efficiency across manufacturing plants and distribution hubs. Documents current processes, researches planning systems and best practices, develops optimization recommendations, and presents findings to leadership. Uses Excel-based analysis and modeling to support improvements in inventory placement, production scheduling, OTIF delivery, and long-term supply chain performance.

Supports strategic pricing initiatives through competitive pricing analysis, market research, pricing data collection and analysis, database and dashboard maintenance, pricing recommendations, price-testing analysis, management reporting, and process improvement. The intern collaborates cross-functionally and helps improve pricing tools, data accuracy, sales performance, profitability, and revenue optimization.

Summer logistics internship providing hands-on exposure to shipment planning, tracking, carrier sourcing, transportation costs, logistics data analysis, SOP development, and process improvement. The intern will shadow logistics coordinators and supply chain analysts, assist with daily logistics activities, participate in team meetings, and complete an end-of-internship project or presentation.

Accounting and Finance Intern supporting FP&A software implementation, reforecasting, lease analysis, financial reporting, branch and monthly close activities, cash reporting, regulatory reporting, and financial analysis. The role also involves researching AI applications in finance and accounting standards while collaborating with controllers, accountants, and business leaders.

Marketing Intern supporting product research, competitive analysis, product launches, sales enablement, email campaigns, web content, customer interviews, and campaign performance analysis. The intern will manage an end-to-end summer project and present recommendations to marketing leadership while collaborating with portfolio, digital strategy, creative, sales, and marketing teams.