Experience

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  The trane company

  Jan 1994 - Sept 1998

  Service technician

  Performed maintenance duties as well as overhauled of Trane CVHA & B.Assisted lead technician in re-tubing and tube-rolling of heat exchangers (evaporator and condenser).Assisted lead technician with overhaul of CVHE and RTHA & B (Screw Chillers).Performed maintenance on Carrier & Mac Quay chillers.Worked with Senior Lead technician to perform alignment of both condenser and chilled water pumps.Performed maintenance and repair of cooling towers and air-handlers.

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  Copeland corporation

  Jun 1999 - Sept 1999

  Mechanical engineer

  Studied and documented the effects of in-rush currents on the Sentronic+ (oil pressure device) using a variety of contactors. Utilized chilled water mixed with glycol to reduce oil temperature on CF-09 compressors.Worked with Lead Engineer in generating data to re-rate a variety of compressors as 134-A medium temperature.Investigated "the oil pick up & distribution" of CS-18 compressors while using a number of modified crankshafts.

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  Carrier hvac

  Jun 2000 - Dec 2000

  Mechanical engineer

  Responsible for computing quality data records of assembly process as well as identifying route cause of defects. Prepared charts and graphs to focus on key assembly and supplier issues. Maintained and updated "Process documentation" for both machining and assembly.Assisted Senior Quality Engineer in completing process documentation for ISO (International Standard Organization)

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  Busch inc

  Jul 2001 - Jun 2003

  Mechanical engineer

  Responsible for implementing changes in the control room namely: buying new plasma Hitachi screens, new raised floors, working with contractors and vendors in order to both review the scope of work as well as scheduling. Also responsible for updating the drawings of all the processes (Ammonia, Carbon Dioxide, Air, Incoming water treatment). Also responsible for writing the procedures as well as scheduling preventive maintenance for a variety of equipments.

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  Cummins inc

  Jun 2002 - Sept 2002

  Mechanical engineer

  Responsible for creating a database of all "Thermostat Options" used in different engine family that can be access by both our distributors and customers.'Worked with group manager in creating and maintaining a database for our DAE's (Distributor' Application Engineers) in order to track engines that meet EPA emission standards.Worked with Senior Engineer in designing and fabricating a device to check aerated coolant, air pressure and cavitation at water pump inlet as well as draw down in engine. Anheuser Show less

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  Cummins inc

  Jun 2003 - Aug 2003

  Mechanical engineer

  Created a matrix to help track Virtual Engineer (a tool used to remotely communicate with electronic engines).Fixed and Upgraded both the software and hardware of virtual engineerWorked with group manager in generating Application Engineering Bulletin on how to setup, use as well as upgrading the Virtual Engineer Tool.Worked with Senior Engineer in creating calibrations for QSX15 and QSM11 engine families.Generated and ran test cases for all engines features found in the application tool "Power-match". Show less

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  Purdue university

  Aug 2003 - Jul 2006

  Responsible for analyzing over 15 months of data (using CAPECAB) as relates to gas emission (Ammonia, Hydrogen Sulfide and Carbon Dioxide) and particulate matter (PM10) for the poultry industry and the egg producing industry in particular. I was also responsible for analyzing the data of "feed change", Ag-D-Tox and Bio-curtain to understand their impact if any on reduction of gases and particulate emissions in high rise barn (layer hen houses in particular) and predicting gas emission using regression analysis. Show less

  • Graduate Research Fellow-Assistant

    Aug 2005 - Jul 2006

  • Graduate Research Assistant

    May 2004 - Jul 2005

  • Graduate Teaching Assistant

    Aug 2003 - May 2004
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  United technologies research center

  Jul 2005 - Aug 2005

  Mechanical engineer

  I worked with a Principal Research Engineer to develop a model for CO2 (carbon dioxide) semi-hermetic compressor. I also ran a highly sophisticated and instrumented load stand with an instrumented compressor to collect data for the purpose of both understanding the dynamic of the system and to later validate the compressor model.Worked with both senior and Principal Research Engineer in developing the first draft of a multifaceted energy balance for the semi-hermetic compressor.

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  Johnson controls incorporated

  Jul 2006 - Dec 2009

  Working with a Senior Engineer to develop an economized compound chiller (2 stage chiller) using R-134a. Responsible for testing and data performance analysis of the compound. Also working with senior engineer in developing algorithm to help with capacity control of the economized compound for part load performance. Working with a senior engineer in developing a stage and a half chiller using an existing compressor, in addition to a single stage high speed chiller using high speed permanent magnet motor. Show less Working with Senior Management at JCI and Scientist at DuPont to evaluate and investigate the compatibility of a new refrigerant with existing materials used in both small and large tonnage chillers.Responsible for managing and coordinating engineering relations and communications with DuPont as well as the coordination of the delivery of sample materials to be tested in accordance with ANSI/ASHRAE Standard 97-2007.Responsible for managing the testing of a chiller to be used as the baseline for an existing refrigerant and then comparative testing for the new refrigerant and the feasibility to use the new refrigerant as a drop-in replacement for the existing refrigerant. Show less New Product Development)Working with Compressor Engineering Team along with Large Tonnage Senior Management and engineers to develop a Single Stage High Speed Direct Drive Centrifugal Chiller with Permanent Magnet Motor, Magnetic Bearings and no oil Management System.Responsible for coordinating with Drafting and overseeing the built of the new chiller.Responsible for coordinating the installation, wiring and piping of the chiller.Responsible for issuing Test request, Analysis and submittal of reports from testing Show less Built and tested a proof of concept double-ended two-stage (DETS) direct drive chiller with hermetic compressor for 300 TR nominal capacity using magnetic bearings and permanent magnet motor.Issued test requests and analyzed data at full load, part (Load), high and low head conditions. Also ran several speed lines to compare to existing and released products.Issued several internal reports on the mentioned issues as well as the impact of insulating the driveline and suction elbow on calculated compressor efficiencies.Verified and computed the efficiency of the high speed permanent magnet motor.Tested and verified that using VGD and Speed without PRV installed is the best mode of capacity control of the DETS.Built and tested a seal leakage simulator (SLS) with a flowmeter inline to measure the balance piston seal leakage and investigate its effect on overall system performance.System studies of DETS chiller focusing on refrigerant- level control strategies. Show less

  • Principal Engineer

    Jul 2006 - Dec 2009

  • Principal Engineer

    Jul 2006 - Dec 2009

  • Principal Engineer

    Jul 2006 - Dec 2009

  • Principal Engineer

    Jul 2006 - Dec 2009
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  Johnson controls -building efficiency

  Dec 2009 - Oct 2010

  Service manager-san antonio branch

  Responsible for the execution of the Branch Truck Based service business including profitability and productivity for assigned team.Responsible for the management and development of 7 direct and 39 indirect reports.Responsible for Customer Satisfaction, increased NPS (Net Promoter Score) from 0% for two consecutive months to two consecutive months of 100% NPS.Obtained Gold Safety Record at the branch by achieving 180 days of Safety without a recordable working closing with the Foremen and CTM (Chiller Team Manager).Coaches Branch Service Team leadership (Service Foremen and Service Ops Agents).Drives operational review meetings.Recruits, hires and retains service operational staff and Front Liners.Working with Senior Regional Leadership to help “Clean-Up” L&M total WIP (Work in Progress) as well as Warranty for the South Region.Responsible for working with Service Managers and /or Branch Managers at 22 branches in the South Region to help them increase their Signature Capture with a new software towards 80% while targeting 3 to 7 average days to invoice. Show less

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  Johnson controls

  Oct 2010 - Jul 2012

  Project Manager (December 2011 to July 2012)Implement Flow & Increase manufacturing VelocityoWorking with the CI team to achieve transformational improvement in conversion cost, plant productivity and lead times through the implementation of lean manufacturing methods with an emphasis on product flow, materials movement, cells and visual factory. Key metrics:Target: 65% Plant PR (a 30% improvement); 15% reduction in conversion cost and reduce lead times to target levelsImprove Paperwork Flow & Increase Velocity through Planning & PurchasingoWorking with the materials manager and its team to develop a process supporting the daily release of manufacturing order /purchase order as well as order acknowledgement allowing for timely communication of changes to both customers and suppliers. Key metrics are: Target: reduce order acknowledgement from 5 days to 48 hours; reduce lead times for new product from 11 to 8 weeks and increase supplier on Time delivery from 88% to 98%On Time Delivery to Internal Production Schedule Working the materials team and its leadership to:  Implement capacity planning Change planning/scheduling process• Schedule set by planning• Shop to execute to set schedule• Manage both start and end dates• Ship week between schedule & CBS dates Show less Materials ManagementDeveloped overall knowledge of purchasing processWorked with Continuous improvement manager and the materials manager to implement bar coding for receiving materials to manufacture Large Tonnage Centrifugal chillers using lean and Six Sigma principles, resulting in $82,000 in savings Increased the number of suppliers providing materials with barcode by 92%.Continuous Improvement / Quality AssuranceWorked with Engineering and CI team to develop and implement High / Low Side strength testing for chillers build at the San Antonio plant.Worked with Engineering (York, Pa), the San Antonio Plant as well as a critical supplier to resolve issues/concerns regarding our new Product Line.Worked as the main liaison between the San Antonio Plant (Manufacturing) and the engineering team in York to resolve any and all issues regarding our new product line.Worked with the CI team to help resolve Tube Sheet Distortion (Warpage) on large vessels with savings of $80,300. Manufacturing OperationsWorked with the senior management staff to enhance my operations acumen.Participated in daily production meeting.Participated in monthly plant operations financials review with senior management including the Plant Manager & his staff along with the Vice President Manufacturing Global and the Director of Manufacturing Operations. Show less

  • Project Manager

    Nov 2011 - Jul 2012

  • Manufacturing- Program Manager

    Oct 2010 - Nov 2011
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  Carrier hvac

  Jul 2012 - Jul 2016

  Manager- chiller engineering

  I am the Engineering Manager for Chiller (both centrifugal and screw chillers)

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  Hussmann

  Jul 2016 - Aug 2017

  Director of application engineering & drafting
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  Gaskov clerge foundation (gcf)

  Aug 2017 - Dec 2017

  Director of engineering projects
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  Johnson controls

  Jan 2018 - Aug 2018

  Director of application engineering & field service- air systems components
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  Ingersoll rand- trane

  May 2019 - Mar 2022

  Engineering manager -light commercial unitary (3-25t)
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  Daikin applied america

  Apr 2022 - now

  Sr. director of engineering
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  Herrick laboratories

  Oct 2023 - now

  Industrial advisory committee member