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Sr Mechanical Engineer – Federal Experience

Orange, CA, us🌐 Remote💼 Full-time🗓 2026-08-04 → 2026-09-25

Core

Design and administer HVAC and plumbing systems for DoD and mission-critical facilities.

Role type

Senior IC mechanical engineer (HVAC/Plumbing)

Builds

Heating, ventilation, air conditioning, and plumbing systems for defense and critical infrastructure projects

Domain

Construction engineering / Defense infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

HVAC system design, plumbing system design, construction administration, shop drawing review, RFI management, change order review, site/field inspections, project planning, specification writing, mentoring junior staff, AutoCAD, Revit, building load calculation, energy modeling

Preferred skills

Professional Engineer (PE) license, Design-Build delivery experience, instrumentation and controls design, cost estimating, LEED AP certification, CxA certification, CEM certification, NAVFAC/USACE/VAMC/DOD/USAF experience

Technologies

AutoCAD, Revit

Responsibilities

Lead or assist in design of HVAC and plumbing systems for DoD projects; Perform construction administration including review of shop drawings, RFIs, and change orders; Evaluate alternative design approaches; Conduct site/field visits for condition assessments; Organize projects to meet quality and budget criteria; Assist in proposal preparation and client presentations; Mentor junior staff; Review and edit project specifications

Seniority

Senior, hands-on IC

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