Raj Narayan Singh

Experience

• 

  L&T Integrated Engineering Services

  Oct 2010 - Apr 2013

  Embedded Hardware Engineer

  Roles & responsibilities include:- Requirement gathering and baselining the requirement specification.- Hardware design & Development (analog and mixed-signal)- Component selection, signal integrity, PCB stack-up and PCB placement and routing- Obsolescence management & MTBF calculation- Generate module test plan and test specifications- Module, Integration, System testing and troubleshooting- EMI/EMC and Environmental Testing- Coordinating between multi-disciplinary teams- Strategic customer engagements & managing existing stakeholder Show less

• 

  SLB

  Jun 2013 - Aug 2024

  - Worked on the integrated RSS/MWD MAX015 tool which is based on the proven technologies of PowerDrive control unit and the xBolt Pulser.- Designed telemetry drive module & power supply boards. Performed electrical design, high/low level design architecture, developed schematic and generated manufacturing files using Altium.- Prepared design document & test specification (module test & automated test) documents.- Bill of material (BOM) generation, BOM cost review & procurement.- Performed Reliability analysis (risk assessment and V&V tests). High temperature operation (HTO), Accelerated Temperature Vibration (ATV), FAST/Hot Shock and confined life test. - Testing the PWA/PCB & troubleshooting. Identified failure modes using FTA (fault tree analysis) for the failure analysis.- Automated test development (Test fixture & Harness).- Cross team (manufacturing & field) support & stakeholder management.- Project management (MPP) and people management.- Tool assembly, manufacturing/production support, system integration and tool readiness for field test.- Performed CE marking compliance check and completed the CE certification on the product. Show less Roles & Responsibility:- Managing a team of 20+ personnel for Technical Projects related to Electrical and Electronics component management in Schlumberger.- Active monitoring of all Schlumberger tools and equipment for RoHS (EU RoHS & China RoHS) and WEEE directive compliance.- Assess all Schlumberger tools for Conflict Minerals usage according to the regulations created by SEC, USA.- Project management- Procurement & Supply chain management - Perform obsolescence management of components for all the active tools used in whole Schlumberger and LTB management.- Train Schlumberger Personnel (Sustaining Engineers) on compliance & obsolescence.- Recruiting Engineers for the role of Electrical & eDFT Engineers and Electrical Designers. Show less Roles & Responsibilities include:- Testability Analysis for PCBAs- Define test strategy for automated functional test- Generate Test Specifications- Hardware design (Interface, Fixture, Harness & Load box) which includes PCBAs and electromechanical test hardware- Software Designs for test setups- Prototype in the lab- Product file documentation in GeMS- Final Hardware manufacturing by external vendors- First article inspection of the manufactured hardware- Statistical Analysis after qualification and deployment of tests at Contract Manufacturers Show less

  • Senior Electrical & Electronics Engineer (NPD)

    Dec 2022 - Aug 2024

  • Team Lead - Electrical & Electronics Group

    Jul 2019 - Sept 2023

  • Electrical & Electronics Engineer - eDFT

    Jun 2013 - Jul 2019