# Joy Njeru Joy Njeru is a remote worker on Himalayas, Team Leader / Electronics Technician at Porsche Center Nairobi, based in Kenya. Source: https://himalayas.app/@joynjeru ```text I turn operational and sensor data into practical engineering and forecasting improvements. ``` | Detail | Value | | --- | --- | | Availability | Looking for a job | | Location | Kenya | | Authorized to work in | Kenya | | Salary expectations | 60k+ USD | | Job categories | Data Analyst, Data Scientist, Machine Learning Engineer, Operations Analyst, Process Engineer | | Skills | Python, Pandas, NumPy, scikit learn, Matplotlib, SeaBorn, SQL, Jupyter, Git, regression, Classification, Clustering, Model Evaluation, & Model Tuning, Time Series Analysis, Tableau, Power BI, Excel, Matlab, Simulink, CAD, Process Simulation, Modeling and Simulation, Statistical Analysis, Statistical Modeling, predictive modeling, Data Visualization, Data Cleaning, Feature Engineering, Exploratory Data Analysis, Linear Regression, PyTorch, Transformer Models, Self Attention, Positional Encoding, Particle Filters, Oracle Inventory, Process Optimization, PLC, Inventory Management, Lean Workflows, English, German, French | ## What I'm looking for ```text I'm looking to apply engineering rigor and applied data science to turn operational and sensor data into measurable improvements through predictive modeling, analysis, and process optimization. ``` ## About ```text At Porsche Center Nairobi, I lead workshop diagnostics and repair operations, using productivity, turnaround, and repair-accuracy data to identify bottlenecks and improve first-time-fix rates. I also handle key After Sales Manager responsibilities, including customer escalations and operational-performance reporting. I've combined mechanical and automotive engineering with applied data science across fuel-cell diagnostics, warehouse operations, and humanitarian forecasting. My work includes a Particle Filter model that achieved 7% RMS tracking accuracy and refugee population forecasting using Python, SQL, machine learning, and visualization. ``` ## Experience ### Team Leader / Electronics Technician (current) Porsche Center Nairobi. Oct 2025 - Present ```text Lead and coordinate daily workshop operations for diagnostics and repairs across a multi-technician team. Monitor productivity, turnaround time, and repair accuracy using operational data to flag bottlenecks and drive first-time-fix rates. ``` Skills: Operational-Data-Analysis, Team-Leadership, Diagnostics, Repair-Management, ESD-Compliance ### Associate Operations iFixit GmbH. Jul 2024 - Aug 2025 ```text Oversaw real-time inventory accuracy through Oracle-based inventory management, reducing stock discrepancies and improving supply-chain data visibility. Analyzed warehouse process data to identify bottlenecks, implementing lean workflows and scalable systems. ``` Skills: Oracle-Inventory, Data-Analysis, Lean-Workflows, Process-Optimization, Team-Leadership ### Working Student – Logistics Associate Internetstores GmbH. Oct 2021 - Feb 2023 ```text Supported process optimizations that improved team efficiency and delivery reliability. Improved dispatch accuracy and reduced order-processing times, contributing to enhanced customer satisfaction. ``` Skills: Process-Optimization, Logistics, Dispatch-Accuracy, Order-Processing ### Public Image Director Rotary Club of Nairobi Thika Road. Jan 2020 - Dec 2021 ```text Increased membership by 20% through targeted social media campaigns, boosting engagement by 25%. Led community initiatives supporting over 6,000 families during the COVID-19 pandemic. ``` Skills: Social-Media-Marketing, Community-Engagement, Leadership ### Quality Assurance Intern, Body Fabrication Associated Motors Limited. Aug 2019 - Dec 2019 ```text Conducted product quality inspections, improving compliance rates and reducing defects in vehicle body fabrication. Streamlined material-handling workflows, cutting processing time by 20%. ``` Skills: Quality-Assurance, Inspections, Material-Handling, Process-Improvement ### Manufacturing Engineering Intern Kenafric Industries Limited. Jun 2019 - Jul 2019 ```text Assisted in optimizing an automated production line using Programmable Logic Controllers (PLC), enhancing system efficiency and reliability. ``` Skills: PLC, Automation, Production-Line-Efficiency ### Aircraft Maintenance Intern Air Kenya Express Limited. Jul 2017 - Sep 2017 ```text Conducted inspections and repairs ensuring aircraft met safety standards and operational readiness. Applied ultrasonic and eddy-current testing methods to detect material defects, improving maintenance accuracy. ``` Skills: Aircraft-Maintenance, Ultrasonic-Testing, Eddy-Current-Testing, Safety-Compliance ### Aircraft Maintenance Intern Kenya Wildlife Service (Air Wing). May 2016 - Aug 2016 ```text Supported scheduled maintenance tasks and contributed to engine performance optimization through detailed inspections. ``` Skills: Aircraft-Maintenance, Engine-Performance, Inspections ### Manufacturing Engineering & Supply Chain Intern Isuzu East Africa Limited. Aug 2015 - Oct 2015 ```text Optimized inventory management systems, improving material tracking and reducing production delays. Collaborated cross-functionally to address production bottlenecks, increasing manufacturing efficiency. ``` Skills: Inventory-Management, Supply-Chain, Process-Optimization, Cross-Functional-Collaboration ## Education ### Esslingen University of Applied Sciences Master of Engineering, Automotive Systems. 2020 - 2023 ```text Master of Engineering in Automotive Systems with a focus on Car Electronics. Thesis on model-based error analysis of PEM fuel cells, achieving 7% RMS tracking accuracy with a Particle Filter model. ``` ### Jomo Kenyatta University of Agriculture and Technology Bachelor of Science, Mechanical Engineering. 2013 - 2018 ```text Bachelor of Science in Mechanical Engineering. Thesis on design and simulation of a hybrid suspension system, achieving vibration damping within 7 seconds. ``` ### Moringa School Data Science Bootcamp, Data Science ```text Completed a Data Science Bootcamp, including a capstone project on refugee population forecasting and humanitarian resource planning. ``` ### Stanford University Machine Learning Specialization, Machine Learning ```text Completed the Machine Learning Specialization on Coursera, instructed by Professor Andrew Ng. ``` ## Tech stack - Tableau - Jupyter - NumPy - Pandas - Python - MATLAB - PyTorch - scikit-learn - Git - SQL - Seaborn - Matplotlib - Power BI To contact Joy, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [Titus Makau Musau](https://himalayas.app/@titusmakaumusau): Data Analyst | Operations Researcher, Kenya Private Sector Alliance - [Davis Obatsa](https://himalayas.app/@davisobatsa): Data Analyst, Hallmark Retail Management Agency - [Lydia Wafula](https://himalayas.app/@lydiawafula): Parts Manager | Assistant Workshop Manager, Sichey Automotive East Africa Limited - [Morris Munene](https://himalayas.app/@morrismunene): Data Analyst Intern, Dreamtuners Global - [paul mawa](https://himalayas.app/@paulmawa): Data Scientist, Control Tech - [Kyalo Sally](https://himalayas.app/@kyalosally): Innovation Analyst, Securex Agencies - [Farhana Agufa](https://himalayas.app/@farhanaagufa): Applied Data Science Intern, WorldQuant University - [Maureen Ngahu](https://himalayas.app/@maureenngahu): Engineering Manager, Data Driven Quality & Process Optimization, ACTOM Kenya - [Mary Diana](https://himalayas.app/@marydiana1): Data Analyst Intern, Analyst Lab Africa - [Adams Mugwe](https://himalayas.app/@adamsmugwe): Data Analyst, Safaricom PLC