Haag, a Salas O'Brien Company · 19 hours ago
Mechanical Engineer Intern - Summer 2026
Chesterfield, Missouri, United States
Internship
Onsite
Intern
Start in 2026 SummerHaag, a Salas O'Brien Company, is seeking a Mechanical Engineer Intern for Summer 2026. The role involves providing support in mechanical design and collaborating on project deliverables under the supervision of Senior Mechanical Engineers.
ConstructionConsultingArchitecture & DesignArchitectureCivil Engineering
Responsibilities
Work on 1-2 project designs simultaneously and meet strict deadlines
Actively participate and contribute to project and interdepartmental meetings to facilitate successful completion of projects and to meet customer expectations and needs
Strive to increase efficiency in all aspects of mechanical design
Understand and apply concerns of safety, maintenance, accessibility, constructability, and coordination
Register point clouds
Develop flow sheets
Assist in preparation of construction documents and design deliverables
Size mechanical equipment with direction
Create and modify 3D models for design work
Issue and record drawing submittals and revisions, and Requests for Information, with guidance
Identify, communicate, and explore solutions to design challenges, conflicts, and clashes
Be capable of developing proficiency in the use of Revit and AutoCAD
Have or be able to effectively develop knowledge in the use of Excel, Belt Analyst, Pipeflo, and other calculation software
Develop an understanding of equipment best practices
Develop basic knowledge of structural design and equipment support practices
Assist in material take-offs for development of construction quantity estimates
Perform vendor drawing coordination to ensure design intent is met
Qualification
Required
Current enrollment in Bachelor of Science in Engineering program (Mechanical preferred)
Excellent communication skills with an understanding of teamwork and the requisite ability to coordinate work with internal and external project stakeholders
Strong organization skills to effectively manage time and resources in the most efficient manner
The ability to multi-task on several projects and adapt to changing scopes and deadlines
Diligent note taking during project discussions
Efficient and organized email communications
Commitment to maintaining the company's professional image and reputation with timely, error-free, accurate deliverables, which meet or exceed clients' expectations
Company
Haag, a Salas O'Brien Company
Haag is an employee-owned forensic engineering & technical consulting firm, since 1924.
Founded in 1924
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Justin Kestner
President & CEO
Company data provided by crunchbase