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Engineer Internship

Chesterfield,MO

749 Engineer Internship jobs in Chesterfield,MO

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Technical Program Management Intern, Summer 2027– St. Louis, MO, US

Mastercard

O Fallon, MO 63368

$25-$30/hr
~ 22 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Currently enrolled in a Bachelors degree, with an anticipated graduation date between December 2027 and June 2029
  • Demonstrated ability to operate with independence, autonomy, solid ownership, and a continuous improvement mindset
  • Proven track record of data driven decision-making and applying continuous improvement methodologies across teams
  • Can communicate with impact, build relationships, and partner/influence dependent teams while commanding the respect of the individuals you work with across the organization
  • Strong interest in technology, especially through a data-driven lens
  • This role is not eligible for Mastercard's work authorization sponsorship.
  • As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.
  • For example, students or recent graduates in the United States on an F1 visa (including those with CPT or OPT authorization) are not eligible for this role
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Mechanical Engineer II - Product Engineering

Leonardo DRS

High Ridge, MO 63049

~ 26 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's Degree in Mechanical Engineering or related technical field and a minimum of two years experience
  • U.S. Citizenship required
  • Engineering or design experience with mechanical equipment, assemblies and components including machined components, welded structures and sheet metal parts
  • Comfortable and competent writing and creating technical documentation
  • Competent using MS Office (Word, Excel, Visio, Project, and PowerPoint)
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Political Affairs Internship Part-Time in Worldwide - Remote Worldwide - Political Team

THE BORGEN PROJECT

Saint Louis, MO 63129

New, Posted 18 hours ago
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CT Intern, Mercy South

Mercy Health

Saint Louis, MO 63128

~ 19 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Education: High school graduate or equivalent. Currently enrolled in second year of a nationally accredited School of Radiologic Technology.
  • Current BLS certification.
  • Ability to read and communicate effectively in English.
  • Basic computer knowledge.
  • Manipulating radiology equipment including mobile and other equipment; selecting and manipulating exposure factors; lifting, moving and transporting patients, continual standing and walking; recognizing emergency situations; adapting to fast pace daily workload; communicating effectively.
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Manufacturing Engineer

Sunnen Products Company

Saint Louis, MO 63143

~ 19 min Onsite

  • Bachelor's degree in Mechanical, Industrial, or Manufacturing Engineering (or equivalent experience)
  • 2-5 years of manufacturing engineering experience in a machining or precision manufacturing environment
  • Working knowledge of CNC programming/setup, GD&T;, and blueprint reading
  • Experience with root cause analysis tools (5-Why, A3, 8D)
  • Proficiency with CAD/CAM software (Creo, Esprit, or similar)
  • Familiarity with ERP/MES systems and data analysis tools (Excel, Power BI, or OAC a plus)
  • Strong communication skills, with ability to present findings to cross-functional and leadership audiences
  • Lean/Six Sigma certification a plus
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Senior Manufacturing Engineer

Watlow

Saint Louis, MO 63146

~ 19 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in engineering OR Technical degree/certificate
  • 5+ years of related engineering experience OR 10+ years' related experience with technical degree/certificate
  • Typically 5+ years of experience in manufacturing engineering or closely related roles
  • Demonstrated track record of reducing scrap, improving throughput, and/or deploying equipment/automation in a production environment
  • Experience leading cross-functional projects from concept through implementation
  • Experience with troubleshooting electrical and mechanical issues in manufacturing equipment
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Application Security Engineer IV - AI Harness

Edward Jones

Saint Louis, MO 63103

~ 19 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in Computer Science, Cybersecurity, Software Engineering, Information Technology, Engineering, or related field, or equivalent practical experience.
  • 6+ years of experience in application security, secure software engineering, DevSecOps, platform engineering, security operations, or related cybersecurity engineering roles.
  • Hands-on experience supporting security capabilities across CI/CD, source control, ticketing, artifact management, logging, and AppSec reporting workflows.
  • Working knowledge of secure code review, vulnerability triage, exploitability analysis, remediation validation, threat modeling concepts, and secure SDLC practices.
  • Practical experience with SAST, SCA, DAST, secrets scanning, API security testing, container security, IaC scanning, SBOMs, SARIF, and findings management.
  • Experience with Jenkins, GitHub Actions, GitHub Enterprise, Jira/Azure DevOps, developer portals, observability platforms, and AppSec dashboards.
  • Strong understanding of logs, metrics, traces, health checks, alert thresholds, run manifests, error budgets, and incident response routines.
  • Ability to automate operational workflows using Python, shell scripting, APIs, configuration files, and infrastructure or policy-as-code patterns.
  • Familiarity with LLM or AI-assisted engineering concepts such as prompts, model versions, retrieval configurations, guardrails, token usage, latency, cost tracking, and drift monitoring.
  • Understanding of secure handling requirements for proprietary source code, credentials, logs, telemetry, evidence packages, and regulated financial-services data.
  • Working knowledge of OWASP Top 10, CWE, CVSS, NIST SSDF, NIST CSF 2.0, AI security risks, auditability, and regulated source-code handling.
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Technical Sales Associate Development Program - Equipment

Trane Technologies

Fenton, MO 63026

RemoteEducation AssistancePaid Time OffRetirement Benefit

  • Possess a bachelor's degree in Engineering (Open to all Engineering areas of emphasis).
  • Must be graduated prior to start date of Graduate Training Program.
  • Be a U.S. citizen or have the legal right to work in the U.S. without requiring sponsorship now or in the future.
  • Ability to temporarily relocate for 14-week training program.
  • Possess a valid driver's license for a minimum of 12 months, ability to provide proof of insurance, and have no major or frequent traffic violations including, but not limited to:
  • DUI in the previous 3 years.
  • Hit & Run, License Suspension, Reckless / Careless Driving or multiple smaller infractions or preventable collisions in the previous 3 years.
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Senior Electrical Engineer

Merck Group

Saint Louis, MO 63129

$92,900-$139,400/yr
~ 19 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's Degree in Electrical Engineering.
  • 5+ years' experience in capital project execution with responsibilities in projects design, engineering, equipment, execution, contractor management and documentation.
  • Must be willing to travel up to 30%.
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Assembly Mechanic

Boeing

Saint Louis, MO 63134

$24/hr
~ 19 min OnsiteUrgently HiringHealth InsuranceRetirement Benefit

  • Experience with aircraft structural parts fabrication, assembly processes and procedures
  • Experience with sheet metal assemblies, drilling, countersinking, riveting, and fastener installation
  • Experience in electrical assembly installation
  • Experience in assembly or mechanical work
  • Experience using hand tools and/or hand-held power tools
  • US Person definition per 22 C.F.R. § 120.15
  • The selected candidate must be able to work any shift, as assigned
  • This is an hourly position governed by the IAM Collective Bargaining agreement
  • New Hires, as well as employees who transfer from non-union positions, may be required to attend some type of training upon their start
  • Continued employment is contingent upon successful completion of any required training and the probationary period (120 calendar days)
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