Mechanical Design Engineering

Hoa Pham

PO Box ******

Woodbury, MN *****

Tel. 281-***-****

*********@*****.***

Career Objective

•To obtain a Mechanical Engineering Position in the environment, this will fully utilize my engineering skills.

Technical Summary

•Highly proficient with Full cycle Mechanical Design and Piping with drafting practices per ASME Y14.5. 2009.

•20+ years using and Proficient Creo and design, Windchill. SolidWorks 2016, EPDM system, GD&T and Stack up Tolerances linear and Gear. Knowledge of injection Molding, Over-molding, Sheet metal, Casting, Machining,

•Materials were metal and plastic. 3D print environment, DC Pump design, Motor, Math CAD. Hydraulic system

•Perform FEA Simulation and knowledge of Ansys. Used Creo /Pro/E piping and NX cable routing.

•Have saved the company money by redesign and reducing parts. Received certificate of stack up GD&T training.

•Submitted and signed several patents and achieved award for best product design of the year 2000. Received a certificate of System Engineering training in NASA standard.

•Passed EIT and currently working on preparation and application exam for Professional Engineer.

Technical Skills

•Creo, Mechanical design and Piping, SolidWorks, NX, GD&T,

•PDM System, Windchill, Teamcenter, FEA Simulation and Ansys.

Education

University of St. Thomas, St. Paul, MN

•MS. Master’s degree of Software Systems Engineering

University of Minnesota, Minneapolis, MN

•BS. Mechanical Engineering – Design emphasis

University of Minnesota, MN

•BS. Civil Engineering – Structural emphasis

Professional Experience

L3Harris, Defense/ Aerospace Company, Fort Wayne, IN, 03/2023 - Present

Lead Mechanical Engineer

•Working on the composite Himawari Satellite Using Creo Paramatic, CreoView and Agile, PDM Windchill system. ASME Y14.5, 2009 and GD&T.

•Responsibility for Telescopes Development and generating Mechanical Interface Control Drawing (MICD) related to Optical System, Thermal, Structural and Electrical and analysis team.

•Leading role for MICD plan, technical interfaces,

•Propose a new plan for new Design of Reimager telescope. Support and working on design Fastener, pins, route Creo cable and used fitting and wire harnessing. Helping to update specifications.

Cummins Inc. Engines Company, Bloomfield, Connecticut, 12/22 – 03/23

Mechanical Design Senior Engineer

•Working on the Engines. Using Creo Paramatic 6, 7, 8 and PDM Windchill system. ASME Y14.5, 2009 and GD&T.

•Design engines test fixtures assemblies. List part number and manufacturers.

•Generated drawing for engine test fixture design using GD&T.

•Working with checkers for checking drawing.

BAE System. Defense Company, Fridley, MN, 11/21 – 10/22

Electro Mechanical Design Senior/Principal Engineer

•Working on the Amphibious Combat Vehicle. Using Creo Paramatic 7, 8. CreoView and PDM Windchill system. ASME Y14.5, 2009 and GD&T.

•Responsibility for ACV-30 program integrates a 30 mm cannon onto the ACV platform and take multiple installations automatic fire extinguishing systems.

•Working on hydraulic system, routing piping, hoses and wire harnessing. Design to install Nozzles, Sensors and load plan.

•Design Structure based, heavy Ammo Rack and components under extreme vibration.

•Design components and assemblies targeted light weight and strength using material properties comparation.

•Generate drawings for components and assemblies with GD&T and weldments.

•Working model based definition for dimensions, notes and parametric material notes call out.

•Working with checkers for functional Review release Process.

Blue Origin. Aerospace Company, Kent, WA, 11/18 – 5/21

Mechanical Engineer / Technical Designer

•Working in BE-4 Engine Design Group. Using Creo 6, PDM Windchill system. ASME Y14.5, 2009 and GD&T.

•Design under extreme temperature and vibration. Design machine parts, brackets, and routing piping from P&ID. Work with fittings, Stack up tolerance calculation. Create new drawings included GD&T calculation, surface finishes, plating, coating, anodizing and metal material selection such as Titanium, SS, Inconel, and Aluminum.

•Worked on using pipe material applicable for fluid systems.

•Performing FEA using Ansys. Perform Windchill CN workflow release process.

•Help junior engineers with CAD and change design for better fabrication and share technical expertise.

Rockwell Collins, Irvine, CA, 5/18 – 10/18

Mechanical Design Principal Engineer

•Working in Designing latch system for aviation. Using NX 10 Teamcenter and SolidWorks, Using ASME Y14.5, and GD&T.

•Brainstorm Design concepts, architecture, and calculations of a whole latch project.

•Details drawing. PDM drawing release process and stack up statistical tolerance Analysis for linear and stack up tolerance analysis for Gears. Backlash tolerance calculation. Prepare slide for presentation of completed work for technical and final reviews.

•Re-visit and review engineering document for tolerances. Share expertise and knowledge with other staffs.

Raytheon, Defense Company, Goleta, CA, 9/17 – 5/18

Mechanical Design Engineer IV

•Working in Raytheon Vision System.

•Performed Stack up tolerance calculation and Design of hardware and Ground Support Equipment include brainstorm concepts and design of all Lab test fixture for testing and electronic packaging for vision system.

•Using Creo, Windchill, CN release workflow. Updated drawings included surface finishes, plating, and material processing, ASME Y14.5, 2009 and GD&T.

•Prepare slide for presentation of completed work for technical and final reviews. Re-visit and review engineering document Share expertise and knowledge with other staffs.

Motiv Space Systems / JPL, NASA, Pasadena, CA, 10/16 – 09/17

Mechanical Design Engineer

•Worked in Design team designing Robotics Rover for Mars exploration 2020 for JPL. Used SolidWorks, NX, Teamcenter to design and used Simulation for FEA. Performed all structural hand calculations such as Shear, Tension Torsion bolt calculation etc. Prepare details slide for presentation of completed work for technical and final reviews.

•Design hardware packaging. Searching JPL specifications with required margin SOF and design Mechanism, electro-Mechanical, test fixture and GSE Generate drawings include GD&T. Selecting materials.

Orbital ATK Inc. Defense Company, Mesa, AZ, 9/15 – 10/16

Electro Mechanical Design Engineer IV

•Worked in electromechanical designing new and mature medium caliber weapon systems using Creo and NX, Teamcenter. Performed cable routing and harness, tool design, Gear train calculation, GD&T.

•Design of gun systems and associated components meet design standards for function, fit and safety. Conduct and Performs reliability and Failure Modes and Effects analysis, root cause analysis. Investigation and solution of complex technical problems. Backlash tolerance calculation for gear and stack up tolerance analysis.

•Prepare slide for presentation of completed work for technical and final reviews. Re-visit and review engineering document, proposals. Reviewed engineering designs and drawings for tolerances, surface finishes material selection, processing, Plating, Coatings & Heat Treat and share expertise and knowledge with other staff.

IMRIS, Neurological, Medical Company, Minnetonka, MN, 6/13 – 5/15

Robotic Mechanical Design Engineer

•Worked in R&D Medical Company designing neurosurgery robotic arm to work with Optical - precision navigation system. Responsibilities are leading mechanical team, Design, manage project, for ISO 9001 nonconforming product, Understanding dispositions. Power Cabinet Design related to Gear/Bearing and electronic Packaging.

•Performed structural calculations such as torque, torsion deflection and performed FEA. Prepare installation instruction. Hand on to build and test design concept robotic arm DFM. Trouble shooting, failure analysis. Adjust specification, Design springs, Characterize hardware such as motors, sensor, RP, Bonding and ECO/ECR.

•Coordinate among cross functional team members and take initiative. International travel to visit vendor.

•Used SolidWorks, NX, Teamcenter to Designs metal and plastic mechanical components, mechanism, and sheet metal, injection molding, and 3D print. Details drawings. Re-design existing components. Performing GD&T, check interferences, selecting material: metal and plastic such as Titanium, SS, Ultem, PEEK, and Torlon. Knowledge of IEC 60601.

•Achievement: I designed a Backlash Constant Torque Spring System used throughout the whole robot arm to replace current failed torsion springs and is being proceeded with patent. calculated stack up tolerance for gear.

Stratasys, Inc. 3D Printer, Eden Prairie, MN, 2/13 – 6/13

Mechanical Engineer

•Worked in R&D 3D printer automated system used SolidWork, EPDM System. Responsibilities are design and implementation and reducing cost. Working on belt, tubing, gear chain purchased electro components. Designing fixtures for testing, mounting parts, RP parts. Design, magnified lenses, mounting brackets, Vibration Reduction, sheet metal. Hand on and support all areas during installation.

BAE Systems. Defense Company, Fridley, MN, 10/12 – 2/13

Mechanical Design Engineer IV

•Worked in Naval Vertical Launching System, designing Test fixtures to secure missiles testing on canisters using Pro/E Wildfire, PDM System Windchill.

•Responsibilities are designing related structural beam and weldment, Hydro Pressure Test fixtures. Calculated Shear, Tension, Tear out shears, deflection. Support testing pressure vacuum and stress analysis using strength of material properties of ASME and Naval specifications. Drawing details, ECO/ECR, check interferences, GD&T, Generate BOM and manufacturing capabilities. FEA used Pro/Mechanica

Chart Inc. New Prague, MN, 5/12 – 10/12

Senior Mechanical Engineer III/Structural Design Engineer

•Worked in designing pressured vessels and calculate all possibilities of failure severe seismic condition of metal structural such as Stress, Tension, tear out shears, leg structural beam, Calculated Heat transfer, overflow of liquid, pressure, and vacuum, used P&ID and route Pro/E piping design valves related. Strength of material properties of metal, using ASME, AISC code and Math CAD for calculation. Work with hydraulic system

•Using Pro/E Wildfire to design. ECO/ECR, DFM. Generated BOM, fit and tolerance checking and detail drawings. GD&T, ASME Y14.5

Thermo King Corporation, Minneapolis, MN, 09/11 – 05/12

Mechanical Design Engineer/Liability Engineer

•Worked in mechanism design engine. Used Pro/E Wildfire 5 to design tools and piping.

•Worked with pneumatic system, mechanism, sheet metal, and detail drawings, ECO/ECR. Conduct failure analysis examinations and prepare Failure Analysis Reports (FAR) of finding. Quality and Reliability Transport Refrigeration Air Conditioning and hydraulic system.

•Performs reliability and Failure Modes and Effects analyses. Investigated engine testing, troubleshooting failures of Thermal Expansion Valves, 3 Way Valve, RPM Sensor, and pump design, approached multiple seal test methods, data analysis. Develop test procedures to ensure reliability and testing activities, route Pro/E piping design.

•Worked with vendor, collect data, prepare test plan, methodologies, and write test report.

Hewlett- Packard, Houston, TX, 10/09 – 9/11

Mechanical Design Engineer

•Responsibilities are redesigning structural case, cell and blade of server products using NX, Pro/E Wildfire 4.

•Designed server equipment using sheet metal parts and assemblies, mechanical hardware, fasteners,

•bolts structural calculation such as bending moments, strength, loads and selecting bolt types and electro-mechanical components. Stamping complex sheet metal. Detail drawings, checking clearances, hardware interferences, and manufacturing capabilities. Designed for plastic injection molding. ECO/ECR and DFM.

NASA, Johnson Space Center–Jacobs Technology (ESCG), Houston, TX, 08/07 – 10/09

Senior Mechanical Aerospace Design Engineer IV

•Working in Human Interface Space programs on various NASA projects.

•International Space Station Crew Quarter Project and Ground Support Equipment (GSE):

•In Design team working on Ground Support Equipment (GSE). Primary responsibility is to design from conceptual

•to manufacture of a large scaled Structural Static Load Test fixture to test flight hardware Crew Quarters for International Space Station.

•Duties include providing design concepts and plan all the design components used GD&T, ASME Y14.5 created metal mechanism and including evaluating electro-mechanical actuators and sensors, Create, review and modify engineering products in support of component design, development, test and evaluation and tolerance analysis.

•Used Pro/E Wildfire, with PDM System is Windchill to construct complex models, parts, assemblies and machined parts, detail drawings Calculated Reaction Load, Death Load, Live Load, shears, torsion deflection.

•Using Pro/ Mechanica for initial FEA Analysis and purchased and tested hardware such as spherical bearing, sensor, load cells and different type fasteners. Design threaded screw insert and call out weld symbols.

•Performed FAT, SAT, and fit check all incoming components. Support engineering drawing release process including product structure development and presenting at technical design and drawing reviews.

Docking System, ATLAS/LIDS Project:

•Primary responsibilities are hydraulic locks design and test, evaluation, prepare test plan/methodologies, write TPS, propose test fixture design concepts using PTRS, NASA documents, related ISS, CEV, Orion Systems Module Mechanisms team and Constellation programs. Testing: Proof, leak, static structural load, thermal, modal, vibration, and functional. Stack up tolerance analysis.

•Visited NASA Glenn Research Center labs to studies the seal designs, seal test set up, test equipment and the

•impact on how seals get damage from unpredicted factors and attended to technical conference to share all challenges for present and future test methods, integrating hardware components into the hatches. Test strategies.

•Attended to Technical Interchanged Meeting with the Russian to verify design data and test method.

•Used Pro/E Wildfire to perform structure design and create Mechanical Interface for Crew Module (CM),

•Designed test fixture and adapter component for GTA. worked with ODM.

Design ISSS Bio-Water Conversion Project:

•Bio-Water Conversion System, Responsibilities are hand on from planning to running testing, pump characteristics, perform sterilization all devices, setting up and collect data / analysis. Calculate rate of water flow.

•Environment: Pro/E Wildfire, FEA Mechanica, NX, JPR 8500, Lab facilities in JSC (B13, B10)

Eastman Kodak Company, Medical Company, R &D, Oakdale, MN, 09/05 – 08/07

Senior Mechanical Design Development Engineer

•Worked in research, Design and Development on medical imaging products from conceptual to manufacture of

•X-ray machine. Responsibilities were leading mechanical team in designing subsystems including study problems, create concepts, design, build prototypes, perform tests and integration.

•Documentation, and manufacture. Performs reliability and Failure Modes and Effects analyses

•Used Pro/E Wildfire, Pro/INTRALINK and SolidWorks to create sheet metal, plastic injection molding parts and assemblies. Generate detail drawings. Performing GD&T, ECO/ECR, ASME Y14.5, PDM System,

•Worked with external subcontractors to discus and build injection molding, tooling parts, rapid prototypes,

•machined and sheet metal parts. Worked with internal facilities for design implementation. Worked closely with

•other sub-teams to ensure all Mechanical Interfaces requirements are met and established goals to design to fit customer requirements. Provide FAT, SAT, IQ, OQ and PQ. Worked with ODM. Knowledge of IEC 60601, GMP.

•Perform cost reduction by simplifying designs and selecting material and to ensure designs are simple to assemble. Analyzed servo motor, spring requirement, roller, belts, and fasteners. Designed different type of threaded screws

•and springs. Calculated deflection, shears, reaction loads, tolerance analysis. Hand on testing and designed test fixtures, prepare test methodology, plans and procedures, set up instrumentation, installation and performed tests. Collect data, analyzed data, present data, and root caused failure and write reports.

•Environment: Test Lab instrumentation, Humidity room. Familiar IEC 60601.

Medtronic Inc. Medical Company, Fridley, MN, 09/04 – 9/05

Mechanical Design Development Engineer

•Worked R&D team in heart medical Device Design. Responsibilities were to propose new design concepts and perform test all design. Design to use molded urethane and Silicone implantable lead connectors for defibrillators.

•Performing hand on testing activities, preparing test plans, concepts, and procedures. Set up and performed tests. Study material behavior and material failure data analysis and write reports of test results. Perform all tests such as tension, compression, Vibration, fatigue, flexure, impact, hardness, and torsion for Flexible PCBs (FPC). Design test fixtures.

•Used Pro/E Wildfire and Pro/INTRALINK to design plastic and metal parts. Using Pro/E surfacing and sheet metal features. Worked with Pro/E designers to implement over molding injection design process.

Telex Communication Inc. Burnsville, MN, 07/1997 – 04/2002

Electro- Mechanical Design Engineer

•In R&D Team. Primary responsibilities were to design for communication products. Proposed new concepts and design from initial concept to market release of headsets, teleconferences, microphone, computer USB boxes,

•and PCB design. Designed battery compartment and contacts. Worked with URS, ODM.

•Used Pro/E, sheet metal and Pro/E surfacing feature to create plastic complex part and sheet metal parts, detail drawing, ECO. Performed interference check. Used Pro/Mechanica FEA to perform initial material stress analysis

•in different temperature set up. PCB design layout, checking, releasing.

•Prepared test plans, test procedure. Hand-on testing and installation, test set up instrumentation. Conducted and performed all testing activities such as drop, acoustic, structure and thermal. Conducted material studies,

•investigated failure and to write report. Materials used were ABS, Rubber, Silicone, and sheet metal.

•Worked with external vendors for tool design, injection molding, over- molding process, rapid prototyping and to ensure designs are simple to fabricate and easy to assemble. Visited vendors for evaluation and observation.

York International Inc. Northfield, MN, 07/1996 – 07/1997

Product Design Engineer – Steel Structural Design Conveyer

•In Research Design Development Team and HVAC equipment. Primary responsibilities were designing to propose from initial design to market release. Designed new large scaled Structural Steel conveyer and HVAC products and implemented existing designs for structures system and freezer systems in food industry.

•Used Pro/E and CAD to create metal beams, plastic complex parts, and assemblies, Analyzed and purchased hardware related Lube Oil, Pumps, Belts, Motor, Starters, Gearboxes, generate details drawing.

•Prepared test plans, test set up to test sub mechanism for structural performance and conducted thermal tests on material life in different temperature conditions, investigated failures. Worked closely with production and

•manufacture engineers to ensure machine capabilities for fabrication.

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