Tech Internships in St. Louis, MO

Tech internships in St. Louis, Missouri, listed from company career pages: software, data, hardware, security, product and design roles whose primary location is St. Louis, MO. A posting that names St. Louis as one of several sites is listed under its first location, and fully remote roles have their own page. The list is checked every 6 hours: new postings show up here soon after they go up, and a role leaves the list once the company takes it down or it is 31 days old. Each Apply button opens the posting on the employer's site.

Open now: 13 for Summer 2027. By field: 4 in IT & Technical Support, 3 in Manufacturing & Industrial, 2 in Systems Engineering and 1 in Data Analytics. Top companies: Enterprise Holdings (4), Midland States Bank (3) and WSP (2).

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St. Louis, MO

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Showing 1–13 of 13 internships

St. Louis, MO

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Electrical Engineering (Substation) Intern - Summer 2027	WSP	St. Louis, MO	Hardware / Embedded	Summer 2027	Posted 6 days ago	Apply to Electrical Engineering (Substation) Intern - Summer 2027 at WSP (opens in a new tab)
Intern - Software Analyst (EFM IT), Summer 2027	Enterprise Holdings	St. Louis, MO	IT / Support	Summer 2027	Posted 11 days ago	Apply to Intern - Software Analyst (EFM IT), Summer 2027 at Enterprise Holdings (opens in a new tab)
Intern - Systems Engineer, Summer 2027	Enterprise	St. Louis, MO	Systems Engineering	Summer 2027	Posted 13 days agoListing from Adzuna (opens in a new tab)	Apply to Intern - Systems Engineer, Summer 2027 at Enterprise via Adzuna (opens in a new tab)
2027 Summer Internship - Business Technology	Federal Reserve Bank of Philadelphia	St. Louis, MO	IT / Support	Summer 2027	Posted 13 days agoListing from Adzuna (opens in a new tab)	Apply to 2027 Summer Internship - Business Technology at Federal Reserve Bank of Philadelphia via Adzuna (opens in a new tab)
Intern - Security Analyst	Midland States Bank	St. Louis, MO $18/hr	Cyber Security	Summer 2027	Posted 15 days ago	Apply to Intern - Security Analyst at Midland States Bank (opens in a new tab)
Intern - Financial Services Cloud Admin - Salesforce	Midland States Bank	St. Louis, MO $18/hr	IT / Support	Summer 2027	Posted 15 days ago	Apply to Intern - Financial Services Cloud Admin - Salesforce at Midland States Bank (opens in a new tab)
Intern - Service Center Engineer - I.A.M.	Midland States Bank	St. Louis, MO $18/hr	Manufacturing / Industrial	Summer 2027	Posted 15 days ago	Apply to Intern - Service Center Engineer - I.A.M. at Midland States Bank (opens in a new tab)
Intern - Systems Engineer, Summer 2027	Enterprise Holdings	St. Louis, MO	Systems Engineering	Summer 2027	Posted 18 days ago	Apply to Intern - Systems Engineer, Summer 2027 at Enterprise Holdings (opens in a new tab)
Intern - Network Engineer, Summer 2027	Enterprise Holdings	St. Louis, MO	DevOps / Infrastructure	Summer 2027	Posted 18 days ago	Apply to Intern - Network Engineer, Summer 2027 at Enterprise Holdings (opens in a new tab)
Intern - Data Engineer (EFM IT), Summer 2027	Enterprise Holdings	St. Louis, MO	Data Analytics	Summer 2027	Posted 26 days ago	Apply to Intern - Data Engineer (EFM IT), Summer 2027 at Enterprise Holdings (opens in a new tab)
Geotechnical Engineering Intern- Summer 2027	WSP	St. Louis, MO	Manufacturing / Industrial	Summer 2027	Posted 29 days ago	Apply to Geotechnical Engineering Intern- Summer 2027 at WSP (opens in a new tab)
Intern - Substation Engineering	Gannett Fleming	St. Louis, MO $21–$28/hr	Manufacturing / Industrial	Summer 2027	Posted 29 days ago	Apply to Intern - Substation Engineering at Gannett Fleming (opens in a new tab)
2027 Summer Internship - Business TechnologyUS citizens only	Federal Reserve System	St. Louis, MO $20–$22/hr	IT / Support	Summer 2027	Posted 29 days ago	Apply to 2027 Summer Internship - Business Technology at Federal Reserve System (opens in a new tab)