Mechanical Engineer I

LJC

St Louis, MO0–3 yrs1h agovia LinkedIn

About the Role

The Entry-Level Mechanical Engineer will support the mechanical design of mission-critical facilities, including data centers, advanced manufacturing plants, and other high-availability environments. This is an excellent opportunity for an early-career engineer to gain hands-on experience with complex mechanical systems, high-performance infrastructure, and integrated design project delivery.

Key Responsibilities

  • Assist engineers in producing mechanical design deliverables including drawings and specifications.
  • Perform basic calculations (load calcs, system sizing, pipe pressure drop, duct pressure drop etc.) and assist with miscellaneous design tasks under the supervision of senior staff.
  • Coordinate with other disciplines including civil, structural, architectural, electrical, plumbing, and controls to support integrated design.
  • Participate in construction administration tasks, including RFI responses, submittal reviews, and field observations.
  • Learn and apply ICC, ASHRAE, NFPA and other relevant code series and standards.
  • Develop technical skills through mentorship, project exposure, and continuing education.

Requirements & Tech Stack

  • BS degree in Mechanical Engineering from an ABET institution required.
  • 0-3 years of experience in Mechanical Engineering; internship or co-op experience in mission-critical, data center, or industrial projects is a plus.
  • EIT certification or ability to obtain within first year of employment required.
  • Familiarity with AutoCAD and Revit.
  • Exposure to load calculations software such as Trane Trace, Carrier HAP or similar is a plus.
  • Exposure to CFD modeling software such as Ansys Fluent, Cadence Reality or similar is a plus.

Qualifications

  • Ability to break down complex challenges and communicate clear, actionable solutions.
  • Highly organized with ability to manage and pivot between concurrent projects.
  • Strong communication, collaboration, and problem-solving skills, with a willingness to learn in a fast-paced environment.

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