Internships in Florissant, Missouri, United States

Leonardo DRS Land Systems team seeks a Quality Software Engineer Intern to support the Quality team in reviewing software documentation, test materials, and project deliverables. The intern will conduct limited scope testing, analyze processes, and assist with configuration management under engineer supervision.

Leonardo DRS Land Systems Software Engineering team builds embedded software for complex defense platforms. Interns code in C/C++/C#/Java, manage source code, and assist engineers with testing, data gathering, and design analysis.

Leonardo DRS Land Systems team builds complex system solutions for military and commercial customers. As a Systems Engineer Intern you will support SE managers and lead engineers by using Matlab/Simulink, gathering data, performing design analysis, and assisting with research and engineering tasks.

Leonardo DRS Land Systems Quality Engineering team seeks a Summer Quality Engineer Intern to support supplier FAIR reviews, inspection checklist creation, and Quality Assurance Instruction development. The intern will assist EATC Manufacturing and Quality operations, collaborate with engineers to maintain documentation, and help identify process gaps.

Leonardo DRS Land Systems team designs and integrates complex electrical and electro‑mechanical components for military and commercial platforms. The Electrical Engineer Intern supports system‑level and component‑level design, simulation, testing, and documentation of electrical subsystems, collaborating with engineers to troubleshoot and develop corrective modifications.

General Practicum program at Pattonville High School provides hands‑on experience for students interested in athletics and activities. Stipends of $600 are offered for up to ten participants during the 2026‑2027 school year.

Sonaca North America IT Department supports aerospace innovation by delivering reliable software solutions. The Help Desk Specialist Intern assists with scheduling IT projects, tracking performance metrics, documenting systems, ensuring compliance, and participating in quality assurance and testing.

Gray Media Training Program at KMOV, Maryland Heights, MO. The 10‑week immersive internship lets participants step into roles such as producer, meteorologist, or sales executive, creating on‑air stories, digital content, and ad campaigns while collaborating with seasoned professionals. Interns work 25 hours per week on‑site at the station, gaining hands‑on experience and building a portfolio for future full‑time opportunities.

Wealth & Investment Management (WIM) at Wells Fargo delivers personalized wealth, investment, and retirement solutions to clients. As a Summer Intern you will support high‑net‑worth client teams, conduct financial analysis, and contribute to process improvement projects while gaining hands‑on experience across investment, analytics, and project management.

Presbyterian Children’s Homes and Services (PCHAS) seeks a Practicum Counseling Student to deliver individual and family therapy via telehealth, progressing to in‑home sessions as the practicum advances. The student will schedule 8 hours of therapy weekly, maintain HIPAA‑compliant documentation, and attend bi‑weekly staff and team meetings.

Research Department at REJIS Commission supports social science investigations to inform policy and program decisions. The Research Intern conducts literature reviews, performs statistical analysis using SPSS, and prepares memos, tables, and visual exhibits under senior staff guidance.

Recovery Support Technician Intern at Chestnut Health Systems provides unpaid support to adults in substance use recovery across Metro East and St. Louis areas. Interns promote recovery model, trauma-informed care, and self‑advocacy, maintain documentation, assist with referrals, and support program operations.

Consulting Services division at RubinBrown LLP provides strategic guidance and forensic consulting across industries. The Litigation Support Intern will conduct financial document review, perform forensic analysis, build financial models, and support report preparation for bankruptcy and fraud investigations.

EquipmentShare Rental Car team drives the transformation of construction logistics by operating and maintaining rental vehicles. The Intern Fleet Coordinator transports, cleans, and performs light maintenance on vehicles, interfaces with vendors, and ensures safety compliance.

Stewardship Intern at Coalition Life, the nation’s largest professional pro‑life sidewalk counseling organization, supports donor relations, fundraising operations, and event coordination. The role drafts stewardship letters, maintains donor records in Salesforce, generates reports, conducts prospect research, and assists with event logistics.