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B N Sudhansu Ranjan Grahacharya is a seasoned reliability engineer with a Master's degree in Reliability Engineering from Indian Institute of Technology, Kharagpur. He has worked with several top companies, including SPX FLOW, Inc., QuEST Global, and Indo-US Project (CBERD), and has expertise in reliability analysis, predictive maintenance, and data science. He is proficient in multiple programming languages, including Python, and holds various certifications in reliability engineering, data science, and supply chain analytics.

Credentials

  • Python: Working with Predictive Analytics
    LinkedIn
    Dec, 2023
    - Apr, 2026
  • Speaking Up At Work
    LinkedIn
    Nov, 2022
    - Apr, 2026
  • Supply Chain Analytics Foundations
    LinkedIn
    Sep, 2022
    - Apr, 2026
  • Interpersonal Communication
    LinkedIn
    Aug, 2022
    - Apr, 2026
  • Unlocking Your Potential
    LinkedIn
    Feb, 2022
    - Apr, 2026
  • An Introduction to Reliability Engineering
    Udemy
    May, 2021
    - Apr, 2026
  • Lean Six Sigma Black Belt
    Six Sigma Academy Amsterdam
    May, 2021
    - Apr, 2026
  • Process Validation (101) in ISO 9001/Quality/Risk Management
    Udemy
    Apr, 2021
    - Apr, 2026
  • Six Sigma Green Belt Master
    Vskills - A Govt. Initiative in Assessment & Learning
    Jul, 2016
    - Apr, 2026
  • Master of CAD/CAM
    Central Tool Room & Training Centre (MSME) Government of India
    Dec, 2013
    - Apr, 2026

Experience

  • River
    • Bengaluru, Karnataka, India
    • Principal Reliability Engineer
      • Apr 2024 - Present
      • Bengaluru, Karnataka, India

      Electric Vehicles Manufacturer

  • SPX FLOW, Inc.
    • Pune, Maharashtra, India
    • Senior Reliability Engineer
      • Dec 2021 - Apr 2024
      • Pune, Maharashtra, India

      ResponsibilitiesI am working on the Reliability analysis of the products. Activities include Reliability Prediction, D-FMEA, Field data analysis, Testing Data analysis, Test Design, Accelerated Life Testing, Spare part stock optimization, Predictive maintenance, Data Analysis, Python coding for EDA, etc. ImpactI have created several templates for data analysis, warranty analysis, stress strength analysis, etc. Developed a Tool for determining the number of stocks in the inventory based on its failure rate.Designed an Accelerated Life Testing Plan for Impeller using mechanical load as stress.Software: Reliasoft Weibull++, Minitab, Python, PowerApps, Power BI, SAP

  • QuEST Global
    • Bengaluru, Karnataka, India
    • Sr. Reliability Engineer
      • Jan 2021 - Dec 2021
      • Bengaluru, Karnataka, India

      Senior Reliability Engineer working at client's site. Actively participating in RAMS activities e.g. FMECA, Reliability Prediction, Reliability Block Diagram, Hazard Analysis, Risk Analysis, FTA analysis, Developing Test Procedures, Developing RAM plan, etc.

    • Senior Engineer
      • Jun 2020 - Jan 2021
      • Gurgaon

      Predicted Reliability of the products using MIL-217, NSWC, NPRD , and estimated System level reliability using Reliability modeling (RBD). Participated in D-FMEA. Executed Reliability Testings. Test design for Accelerated Life Testing, Reliability Growth Testing for various products. Design improvements from from observation of the RGT. Test data analysis, Weibull analysis. Used Root cause analysis. Assisted in fixture design for carrying out tests.Special Contribution-• Designed an Accelerated Life Testing plan for the durability testing of the Shock Absorber to be used in Indian Railways locomotives.• Designed a test plan for the honeycomb structure panel using ASTM standards.• Developed template for data analysis for parameter estimation of different distributions e.g. Weibull, Log-normal, Exponential and Normal.

    • S.R.F
      • Sep 2017 - May 2020
      • Kharagpur Area, India

      1. To determine the process reliabilty of the assembly , integration and testing process of L-40 Stage by using the special MS-Excell based Tool developed by the IIT team.2. To construct fault trees for the each structrual part of the L-40 stage and make pareto analysis to find the major error prone structure and process. 3. To make PFMECA analysis of the processes with high failure frequency and resulting in complete mission failure, partial mission failure or having impact on human safety.4. To make HAZOP analysis of proceses with safety critical consequenses.5. Fault tree analysis of the bracket breaking incident, of H8S3 stage, took place while carrying out the engine canting process.Special Contribution-• Contributed in the development of an HRA tool for the process analysis• Incorporated the environmental factor error probability for the consideration in the total error calculation.• Prepared full functional flow diagram for the overall Integration of the Liquid strap on booster.• Prepared an instruction manual for the HRA tool for process analysis. • Estimated the reliability of the propulsion system.

    • Quality Control Engineer
      • Nov 2016 - Jun 2017
      • Bhongir, Hyderabad

      1. To ensure, defect free products are supplied to the customer, by controlling the inspection of the products in a shift.2. To check the dimensions of CTQs and other important parameters like Annealing, Coating, Ramp Pressure, crushing strength etc.3. To make analysis using QC tools to highlight issues which need attention.4. To maintain coordination with the production dept so that no defective products are produced.5. To maintain 5S in the work place.Special Contribution-• Put forward the proposal to make Pareto analysis of the defects produced in every shift.

  • Indo-US Project (CBERD)
    • Jaipur Area, India
    • Project Engineer
      • Jun 2016 - Nov 2016
      • Jaipur Area, India

      1. Multi-skill ability to work in a team to ensure the proper running of the project, i.e. starting from installation of the experimental set-up to the result analysis in an HVAC system. (Radiant cooling system).2. To introduce Q.C principles in the project and do POKA YOKE. 3. To calibrate the sensors and ensure that all the components are properly connected as per OEM drawing and ensure the system is safe to work with.4. To draw the lay outs and create 3-D models, of the project related structures and components.5. To ensure the required quality of cooling medium and working fluid is supplied to the system by controlling the components associated with the project. Special Contribution-• A simplified “Cooling fluid controlling system” was proposed to control the flow from three tanks maintained at three different temperatures as per user’s requirement.• Implemented 5S and POKA YOKE concept.

    • Engineer
      • Jan 2014 - Jun 2016
      • Hyderabad, India

      1. To conduct and coordinate the final testing of the products collected from different production lines based on which the products are allowed for dispatch or sent to rework. 2. To work in a special team for analyzing defects and reducing it and increasing FPY.3. To find out the root cause of the defect and its solution by using different Q.C tools and technique. 4. To maintain coordination with the production department and ensure the daily production meets the customer requirements.5. To facilitate the implementation of 5-S strategies in work place. Special Contribution-• Determined and verified the mass of the refrigerant gas, getting charged into the diaphragm of the products.• Contributed to increased the FPY from 70% to 90% with the synergized effort of the project team.• A heat recovering system was proposed, which could eliminate the use of “one heater per production line” saving power of one kW/Hr of operation.• Made a targeted testing program of the products, which saved more than 20 minutes per batch of test. • Designed one special type of terminal mould, that could adapt all types of switch terminals used in production.

Education

  • 2018 - 2020
    Indian Institute of Technology, Kharagpur
    Master's degree (M.S.), Reliability Engineering
  • 2022 - 2023
    International Institute of Information Technology Bangalore
    Postgraduate Degree, Data Science - Deep Learning
  • 2008 - 2012
    Annamalai University
    Bachelor of Engineering (B.E.), Mechanical Engineering
  • 2006 - 2008
    Royal College of Science & Technology, Bhubaneswar
    Intermediate, Science

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Industry Focus. “Automotive”

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