Mechanical Engineer (OSM)

Position Summary

The OSM Mechanical Engineer owns the engineering of modular mechanical assemblies — skids, racks, headers, plumbing modules, and pre-assembled piping — from concept through shop fabrication and field delivery. This role sits at the intersection of design, manufacturing, and construction: translating contract documents into buildable modules, driving Design for Manufacturing and Assembly (DFMA) decisions, and stamping engineered deliverables where required. Success is measured by modules that leave the shop complete, on schedule, and are installed in the field without rework.

Key Responsibilities

Design & Engineering

Perform mechanical design and calculations for modular HVAC and plumbing assemblies: pipe sizing, pressure drop, pump and equipment selection, thermal expansion, anchor and guide layout, structural support of skid frames.

Seal and stamp engineering deliverables (module structural frames, lifting/rigging plans, delegated-design submittals) within the jurisdictions and disciplines of licensure.

Develop and enforce DFMA standards — module envelope limits, transport and rigging constraints, connection strategies, repeatable detail libraries.

Review contract documents and specifications; identify constraints, conflicts, and modularization opportunities early enough to influence design.

Detailing & BIM

Direct and review Revit/CAD detailing and spool drawing production; own model accuracy against the fabrication tolerance the shop actually holds.

Run and resolve clash detection between mechanical modules and adjacent trades; coordinate module interfaces and field tie-in points.

Manage model and document workflow in Autodesk Construction Cloud — issues, RFIs, submittals, as-built model updates.

Fabrication Support

Serve as the engineering point of contact for the shop floor: resolve fabrication questions, approve field/shop deviations, and issue revisions without stalling the production line.

Support production planning — module sequencing, kitting, station loading, and takt alignment with the delivery schedule.

Own weld procedure applicability, material and joint specification, and support QA/QC on hydro testing, NDE, cleanliness, and passivation requirements.

Drive continuous improvement: track rework causes, close the loop from field feedback into design standards.

Project & Commissioning Interface

Coordinate with project management, the GC, and the owner on module delivery windows, laydown, rigging, and set sequences.

Support factory acceptance testing and startup/commissioning sequences; produce turnover documentation.

Review and respond to RFIs and submittals; participate in cost and change-order technical evaluation.

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