Riya Davis Arrangassery
Arnsdorf
Summary
Enthusiastic and self-motivated person with 5+ years of professional experience in energy storage devices like battery and supercapacitor development and testing.Technically-savvy and skilled at quickly learning new concepts, software and equipment. Collaborative team player with excellent communication and interpersonal talents.
Overview
10
10
years of professional experience
6
6
years of post-secondary education
Work History
Cell Test Engineer
Skeleton Technologies GmbH
05.2022 - Current
- Making test plan, execution and monitoring of test according the internal R&D and external requirements of customers
- Conduct electrochemical testing on our products to determine performance, safety, quality and reliability
- Executing the program in Arbin battery tester and carried out design validation and process validation test according to IEC standards for supercapacitor cells
- Close collaborative work in production to support Beginning of Life (BOL) testing
- Planning, alignment and implementation of test procedures and process flow
- Troubleshooting problems and validating in testing procedures, process flow and equipment using 8D approach
- Familiar with Measurement System Analysis(MSA) and 6 sigma analysis
- Maintained up-to-date documentation of all test plans, procedures, results, and defect tracking databases for future reference or audits.
- Created comprehensive test plans, test scripts, and use cases to support testing objectives.
- Data analysis, interpretation and documentation of the result
- Upgrading the software skills in Python and Matlab (learning stage)
Research Associate
Hochschule Karlsruhe, University of Applied Science
09.2019 - 12.2021
- Offered two lectures and practical courses on cleanroom technology and microtechnology
- Cleanroom experience in microstructure fabrication using Patterning, Physical vapour deposition (PVD), optical lithography and wet etching
- Setup the battery laboratory
- Material analysis of Li-ion battery using LFP and LMO
- Electrochemical, temperature and mechanical analysis of Li-ion battery in various electrolyte (LiPF6, LiBOB)
- Building the battery cells (Pouch cell and Swagelok cell)
- Monitored progress against project timelines, ensuring timely completion of deliverables while maintaining high-quality standards.
- Gathered, arranged, and corrected research data to create representative graphs and charts highlighting results for presentations.
Post Graduate Trainee
Advanced Research Centre for Powder Metallurgy and New Material (ARCI)
08.2015 - 08.2017
- Synthesis and process optimization of electrode materials for Supercapacitors (carbon spheres, Nickel cobaltite and composite material)
- Material characterization of electrode materials
- Design, optimization and electrochemical testing of supercapacitor and battery cells
- Data analysis and interpretation of the results
- Came up with new ideas and improvements, which were discussed with senior employers.
Education
Master of Technology (M.Tech) - Nanotechnology with specialization in material science
Vellore Institute of Technology
06.2014 - 05.2016
Bachelor of Technology (B.Tech) - Electronics and Communication
University of Calicut
05.2010 - 05.2014
Skills
Test execution
Manual testing
Technical support
Research and development
Test case development
Problem-solving
Test documentation
Root-cause analysis
Team collaboration
Documentation and reporting
Performance testing
Quality assurance
Personal Information
Citizenship: German
Certifications And Courses
- Python Course, Coursera (IBM)
- Deutsch sprachkurs - B2, Sprachakademie, Karlsruhe, 01/01/19, 06/30/19
- Deutsch sprachkurs - B1 certified (Telc - Deutsch-Test für Zuwanderer), Sprachakademie, Karlsruhe, 01/01/18, 09/30/18
language
English – C2
German – B1
Malayalam - Mother tongue
Timeline
Cell Test Engineer
Skeleton Technologies GmbH
05.2022 - Current
Research Associate
Hochschule Karlsruhe, University of Applied Science
09.2019 - 12.2021
Post Graduate Trainee
Advanced Research Centre for Powder Metallurgy and New Material (ARCI)
08.2015 - 08.2017
Master of Technology (M.Tech) - Nanotechnology with specialization in material science
Vellore Institute of Technology
06.2014 - 05.2016
Bachelor of Technology (B.Tech) - Electronics and Communication
University of Calicut
05.2010 - 05.2014