Mechanical Engineer Engineering

PEO Status: In process

SUMMARY:

Results oriented Senior mechanical Engineer with an extensive experience in engineering and management, research and development, leadership and mentoring, test and problem-solving and with an in- depth experience of product development, regulatory compliance, product development cycle . My back ground consist of Thermal Systems, Heat transfer, Heat exchanger, HVAC, Coils (Condenser, Evaporator), Heating Unit (Convector), Thermal load calculation, Data Center Cooling system designing experiences. Ability to quickly identify requirements and achieve optimum results. Drive and enthusiasm with a technical background, combined with experience at the customer and supplier engineering levels. Program development from “cradle to grave” (concept to launch), including 2 successfully launched programs at customer plants.

R & D Refrigaration Design Engineer March, 2014- Present

OptiCool Solutions, LLC, (A leading provider of innovative refrigerant-based cooling solutions to data center),

Responsible to assist in the research, development, and testing of new products/accessories in line with overarching product strategy. Scientifically advancing OptiCool’s refrigeration based Data Center Cooling System.

Responsible in designing the Data Center Refrigeration system for at both component level as well as the full system and Lead/participate in design reviews and technical coordination meetings.

Perform thermal analysis of individual components such as compressors, heater coils etc. as well as sections of a whole system and the whole system and prepare the performance specification and engineering data sheets..

Responsible for HVAC system package design, conduct engineering analysis including calculation of the heat lose & gain and heat flow rate of a data center.

Responsible for ensuring products are designed and developed to the highest standard; defines and establishes design constraints and Design Requirements/Specifications.

Solving unprecedented engineering problems, determine development objectives and requirements, organize programs and projects, and develop standards and guides for development activities.

Develop and implementing formal processes to support product research and development activities. Development activities include to: concept/innovation, design, technical specifications, data tables/curves, patenting, data acquisition and analysis, component selection, compliant for necessary testing and procedures (standards, like ASHRAE 90.1, performance, agency, such as CRN, CSA, UL, CE, etc.)

Coordinate prototyping process and design test assembly apparatus.

Providing guidance for mechanical design by conducting numerical simulations in order to predict the thermal performance of a variety of Refrigerant and HVAC technologies.

Designed the new generation (15 KW) cooling Direct heat exchanger (AHX). Performed thermal analysis to design the micro-channel for 15KW including calculation of refrigerant mass flow rate, air flow rate and heat transfer rate.

Prepared the RPW & RPC performance specification sheets, chilled water pressure drop data including rpc engigineering data sheets.

Product Engineer - Air Conditioning January, 2011 – February, 2014

Dometic Corporation ( A Manufacturer of innovating products to the RV and Marine industries in US)

Product design engineered in evaluating new design changes for manufacturing feasibility with internal departments and customers; developing/implementing solutions to design concerns; working with suppliers regarding design changes and new parts; issuing design change paperwork (ECN); maintaining company product prints and leading design change schedule activity.

Provided technical support with productions, sales, warranties, customers and vendors, process approvals, and releases into production as needed.

Responsible for researching alternate vendors for various major components and set up product test – Evaluate results, thus contribute to cost improvement project through the application of analysis and validation, component design and specification development.

-Changed the Tecumseh compressor to LG Vertical compressors.

-Switched from Modine to Luvata coils vendors for Brisk model.

-Working to change the A.O.Smith motors to Broad Ocean motors for Brisk & Penguin motors.

Successfully launched the new Rooftop Air Condition “DuraSea – 15000 BTU/h“using R-410A refrigerant for Domestic and Export Marine application from cradle to grave.

- Designed new heat exchangers (UV coating- E-coating) with an enhanced capacity and applicable for salt water.

-Provided project engineering and management for development .

Completed DFMEA & DVP&R, built Prototype units and conducted testing.

Worked with purchasing to determine the suitable vendors for components required for “Durasea”.

Conducted engineering prebuild run and produced units for field test units and Analyzed the feedback from the field test report.

Prepared the performance specification and testing data sheet,

Documented and released the BOM, Drawing and specification sheet for production.

Conducted production pilot run for production and launched the units to markets.

Supervised with all CSA test requirements (UL 1995 Clause 39, 42 51 52 62 & 47) for new Air conditioner/some major component changes along with compiling and evaluating the data.

Designing new heat exchangers for new generation Air conditioner and optimize the performance using Modine Mpower software.

Optimized the existing heat exchanges to increase performance and reduce the cost. Saved $14000.00 yearly.

Introduced the new designed conversion kits ( Carrier to Dometic & Coleman to Dometic) within the deadline and expanded the business opportunity of $ 80K

Introduced for Broad Ocean Motor & Thorgren fan for basement Heat pump, Coolcat as a CIP and saved $ 235K yearly.

Improved designed for the sealed system of Brisk & HP Models Air conditioners.

Created service kit for converting CCC2 to CCC to keep a relationship with the existing customers.

Created testing criteria for competitors unit & Dometic’s unit audit test.

Product Design Engineer July, 2006 – September, 2008

EDAT Solutions (Engineering Design Analysis & Testing Company), Windsor, Canada

Designed and evaluated base bracket changing materials from Zinc/Aluminum (expensive materials) casting t plastic injection molded bracket for sun visor.

Supported manufacturing plant on engineering changes for I/P and floor console to reduce warranty costs.

Chaired, managed and lead a weekly PR & DVT meeting with CAD and Lab technician.

Designed,developed and created prototype sunvisor for FORD Designed and developed fixtures using Solidworks 2008 generative shape design and solid modeling.

Modification of previous fixtures as per customer requirements.

Created and modified company databases, resulting in more efficient management, design proposals and other information. Involvement in concept planning, with teammates.

Mechanical Engineer January, 2005 – July, 2006

Mobile Climate Control Inc. (HVAC Manufacturing Company), Toronto, Canada

Responsible for mechanical design, prototyping, commissioning, test trial of the Heaters, Heater-AC (HVAC) units, condenser units and convectors for different types of Automotive Vehicles.

Designed the size, shape of the casing and cover shields for different types of HVAC units with required support system and also prepared the job submittal before getting the approval for production as per the applicable codes.

Selected of heater coils, evaporator coils, convector coils, pumps, blowers, fans, air filters, heater hoses, screws, lock nuts, washers and other related small parts as per the required heating & cooling loads.

Successfully designed and launched the new 9ft Convector (Heating unit) for Volvo truck using 5/8” copper tube, 11 FPI fins and solenoid valve.

Prepared general drawings, 3D modeling drawings, assembly drawings, and manufacturing drawings for the Convector, heating and air conditioning unit using Solidworks.

Analyzed design specifications, drawings, sketches and data to assess factors affecting designs.

Worked as an aftermarket product improvement Lead (R&D).

Mechanical Engineer/Engineering Manager July, 1991 – September, 2004

James Finlay Limited, Bangladesh

Responsible for HVAC system design including heat load gain & loss, air flow ducts sizing and humidification requirements for Tea manufacturing factory.

Conduct the engineering analysis for withering and fermentation room including air flow rate, heat gain & lose and heat flow rate.

Evaluated and approved the technical specification, tender documents, tender evaluation, evaluation for pre qualification, contract and contract negotiations, bill approving, reporting and documentation

Planned, selected, estimated and procurement of new equipment for the production and utility department.

Reviewed equipment policies and processed evaluation to improve productivity and equipment modernization

Developed maintenance standards and setting quality standards. Responsible for use of innovative technology and quality assurance

Carried out organizational functions such as decision making, planning operation, supervised engineering works and maintenance program/manpower set-up etc.

Prepared various technical presentations and presented to the senior management group

Prepared annual financial forecast and budgetary control to minimize plant over head cost

EDUCATION:

Masters of Engineering in Mechanical Engineering, University of Windsor, Canada, Graduated on June, 2010

Bachelor of Science in Mechanical Engineering, Bangladesh Institute of Technology, Rajshahi, Graduated on December, 1989

CORE COMPETENCIES:

Product Engineer, Product Launch, Project Management

Cross-functional Team Leadership,

Heat Exchanger design

Customized HVAC systems for Buses, coaches and subways.

Solidworks, CATIA V5, NX I-DEAS, AUTOCAD

FEA COSMOS analysis

DOE, DVP&R, DFMEA

Lotus Notes, AS400, MS Outlook, MS Office Tools, Microsoft Office Project

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