✦ Luna Orbit — Engineering (Non-Software)

Operating Engineer

at DTE Energy

📍 Detroit, MI, US Unknown Posted April 02, 2026
Type Full-Time
Experience mid
Exp. Years 5+ years
Education High School diploma or equivalent
Category Engineering (Non-Software)

Operates a large HVAC and boiler plant to maintain comfortable temperatures in adjacent buildings and ensure reliable plant operation.

  • ['Operates a 750 hp heat pump system to supply chilled and heated water to air handling units', 'Starts and stops refrigeration compressors up to 600 hp and manages dampers and motor speeds', 'Operates gas or oil-fired low-pressure package boilers and maintains water temperatures/steam pressures', 'Takes water samples and tests hardness, alkalinity, and acidity; adjusts chemical dosing', 'Prepares boilers for annual inspection and performs routine lubrication and minor maintenance']

Hands-on operation and maintenance of a 750 hp heat pump system and up to 600 hp boilers; water chemistry testing and chemical dosing; preventative maintenance and emergency response; adherence to safety tagging and inspection procedures.

The ideal candidate is a mid-level operating engineer with 5+ years of utility complex operations experience, holding a First Class Refrigeration License, and capable of operating a 750 hp heat pump and up to 600 hp boilers. Must be able to perform shift work, maintenance, and annual inspections in a large facility.

High School diploma or equivalentFirst Class Refrigeration LicenseAt least 5 years' experience in utility complex operationsShift work is required
High School diploma or equivalentFirst Class Refrigeration License5+ years in utility complex operationsshift workboiler operationheat pump systemswater testingboiler blowdown480V electrical safety taggingsafety taggingemergency reportinglubrication and preventive maintenanceannual inspections
750 hp heat pump systemgas or oil-fired low-pressure package boilerswater samplingwater chemistry testingboiler blowdownrefrigeration compressor operation up to 600 hp44OV BreakersFirst Class Refrigeration LicenseShift workmaintenance and lubricationelectrical safety taggingRed Tagging Procedureannual inspection
Safety-consciousAttention to detailCommunicationTeamworkProblem-solving

Required

First Class Refrigeration License
Industry Energy
Job Function Operate and maintain HVAC and boiler systems in a utility complex to ensure safe, efficient, and reliable building climate control
Role Subtype Industrial Operations Engineer
Operating EngineerDTE EnergyDetroitheat pump systemboilersgas or oil-firedlow-pressureWater samplinghardnessalkalinityacidityboiler blowdownrefrigeration compressorFirst Class Refrigeration LicenseShift workmaintenancelubrication44OV BreakersRed Tagging Procedureemergency reportingprotective tagging480Vtemperature chartoperating engineerheat pumpwater samplingwater chemistryshift work

Lack of High School diploma or equivalent, Lack of First Class Refrigeration License, Less than 5 years in utility complex operations, Inability to perform shift work

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