Bartosz Zieliński

Experience

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  Creotech Instruments SA

  Aug 2014 - Nov 2018

  - [C embedded] Designed and implemented electronics and software for a climate chamber- Managing a 8 person team. Training of new employees.- Design and managing whole production process: preparation of production files, SMT, optical inspection, THT, coating, electrical tests, traceability.- Supervision and optimization of production processes - Support in testing assembled products using the experience of process engineer and electronic engineer - Electrical analysis of warrianty returns. Identifying and removing root causes.(Altium Designer, CircuitCAM, customer documentation)- Hand and machine assembly in space quality. - Creating traceability system.- Providing support for PC&L in getting replacements for obsolite components. Show less - Programming and operating of the GKG stencil printer- Programming and operation of the JUKI 2080 pick & place machine.- Programming and operation of the AOI MEK automatic optical inspection device.- Programming and operation of the ERSA SMARTFLOW 2020 selective soldering machine.- Performing advanced repairs / modifications, including path modifications on the circuit board, replacement of components in QFN and BGA packages using solder iron and hot air.- Processing Pick&Place files and checking the integrity of production files provided by the customer.- Writing scripts in VBA in MS Excel to optimize time and eliminate errors arising from the human factor. Show less - Creation a footprints library and PCBs (according to ESA Standard) used for space assembly verification program. (Altium Designer)- Hand soldering of SMD and THD on verification boards.- Hand soldering of SMD and THD on space quality boards - Technological support for cooperating companies designing space boards - Preparing components for space assembly (degolding, pretinning, desiccation, leadforming THD) - Gluing components and applying conformal coatings on space boards - Precise leadforming FlatPack packages on the FANCORT press - Assembly inspection. Show less

  • Production manager, Process Engineer

    Jul 2018 - Nov 2018

  • Process Engineer

    Oct 2015 - Jun 2018

  • Hand-soldering operator (Space quality)

    Oct 2014 - Oct 2015

  • Engineering internship

    Aug 2014 - Oct 2014
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  Delphi Technologies/ BorgWarner Poland Sp. z o. o.

  Dec 2018 - Apr 2019

  Product Engineer

  - [C# DLL] Implemented a set of methods allowing to upload secured memory ranges from engine controllers.- [C embedded] Designed and implemented small measurement devices dedicated to the product.- Analysis of faulire products. Identifying and removing root causes.- Providing support to process engineers, including: -> ICT - help in measuring components in the system. -> Programming - uploading and verification of uploaded software and testing the efficiency of implemented security systems. -> Functional tests - assistance in the selection of measurement ranges, analysis of the designed sequence to increase test coverage and reduce the machine cycle. -> Logistics - help in choosing replacements for obsolite components.- Constant contact with the design department to develop existing products and improve new ones.- Creating a plan for the transfer of laboratory equipment during the transfer of the factory from Hungary to Poland.- Development of a repair process and preparation of operators workbenches.- Work with electrical schematics, technical drawings and software documentation. Conducting simulations in LTspice.- Work with laboratory equipment: commercial devices (oscilloscopes, LCR bridges, power supplies, laboratory multimeters, etc.) and customa made product simulators. Show less

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  Delphi Technologies / BorgWarner Poland Sp. z o. o.

  May 2019 - now

  Senior Product Engineer, Lab Leader

  - Designed and implemented Engine Control Unit (ECU) programming stations:- [C# DLL] ECU authorization / unlocking, power control, memory backup, programming, traceability with the server.- Implemented software improving the work of engineers, i.e:- [C# DLL \ WinForm app] Tools to unlock the ECU. Local authorization algorithms and remote authorization via the customer's server.- [C# DLL \ WinForm app] Dedicated laboratory tools for uploading original memory and flashing test application.- [Console C# app] Memory file converters.- [Console C# app] Analyzer and converter of a set of multiframes low-level CAN packages to a high-level set of commands from ECU programming.- Recovered and reimplemented authorizing algorithms extracted from independent, compiled .exe programs into the C# language.- Trained new employees, created an experienced team of 4 coworkers.- Analyzed customer returns, driving improvements in assembly lines.- Troubleshooted and optimized test sequences and programming proccess. Show less