John Fizer
Lohman,US
Summary
Results-driven AI/ML professional with a background in electrical and mechanical systems, now transitioning into applied machine learning through UC Berkeley’s rigorous AI/ML certification. Adept at designing intelligent solutions by fusing hands-on engineering experience with modern data science tools. Skilled in Python programming, model development, and NLP for real-world troubleshooting, root cause analysis, and predictive maintenance applications. Proficient in end-to-end ML workflows including data cleaning, feature engineering, model evaluation, and deployment strategies.
Brings a unique edge in applying machine learning to complex physical systems, with projects focused on embedding AI into industrial diagnostics and decision automation. Demonstrated ability to translate technical challenges into scalable ML solutions, driving operational efficiency, insight generation, and system optimization. Committed to continuous innovation at the intersection of engineering and artificial intelligence.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Maintenance Electrician/Technician
Modine Manufacturing
04.2023 - Current
- Perform routine and preventive maintenance on manufacturing equipment.
- Troubleshoot and repair complex automation systems and industrial control circuits.
- Diagnose and program PLC systems; install and maintain VFDs.
- Replace motors, pumps, and heat exchangers; rebuild and optimize systems for efficiency.
- Design and implement fixtures to enhance line operations.
- Analyze and optimize equipment performance, collaborating with engineering teams to improve efficiency.
- Troubleshoot laser programs and replace sensors, air lines, and oil lines.
- Ensure compliance with NEC standards for circuit installations and electrical repairs.
- Adhere to PPE, LOTO, and equipment safety protocols.
Owner/Operator
Fizerco Construction
03.2019 - 06.2024
- Operated a construction business specializing in residential remodeling, landscaping, deck building, and client-driven projects.
- Managed multiple projects simultaneously, ensuring timely delivery within budget and to client specifications.
- Executed all aspects of project management, including client communication, resource allocation, and workflow optimization.
- Designed and executed custom remodeling solutions for client properties and personal projects.
- Delivered high-quality results by utilizing creative problem-solving and ensuring compliance with quality standards.
Onsite Manager/Sales
Lighthouse Contracting
01.2020 - 01.2021
- Leveraged detail-oriented problem-solving skills to oversee site operations, ensuring seamless coordination of subcontractor teams and material logistics.
- Delivered high-quality results by implementing quality control measures and adhering to project timelines and corporate standards.
- Acted as the primary liaison between contractors, customers, and corporate stakeholders, fostering transparency and ensuring client satisfaction.
Inventory Control Manager
Deco Tool Supply Co
01.2014 - 01.2016
- Directed team tasks to improve workflow efficiency and consistently meet project deadlines.
- Oversaw inventory operations, including transitioning to automated systems for enhanced accuracy and productivity.
- Verified shipments, assigned barcodes, and optimized storage processes for streamlined operations.
- Compiled and presented data-driven reports to support company and client decision-making strategies.
- Analyzed inventory metrics to identify cost-saving opportunities and optimize resource utilization.
Education
Mechanical Engineering - undefined
Missouri University of Science and Technology
Rolla, MO01.2019
Associate of Science and Engineering - undefined
State Fair Community College
Sedalia, MO05.2016
Associate of Arts - undefined
State Fair Community College
Sedalia, MO05.2015
Skills
- Machine Learning & Statistical Modeling Supervised Learning: Linear/Logistic Regression, Decision Trees, Random Forests
- Unsupervised Learning: k-Means, Hierarchical Clustering, PCA
Model Selection: Grid Search, Randomized Search, Cross-Validation
Performance Metrics: MSE, MAE, R², Precision/Recall, F1-Score, Confusion Matrix
Python for Data Science Data Wrangling: Pandas, NumPy, OpenPyXL
Visualization: Matplotlib, Seaborn, Plotly, Altair
Scripting & Automation: Writing Python scripts to automate data prep, cleaning, and EDA
Deep Learning Foundations Neural Networks (Perceptrons, Backpropagation Basics)
Frameworks: Keras with TensorFlow
Image and Text Intro Projects (Computer Vision)
Natural Language Processing (NLP) Text Preprocessing: Tokenization, Lemmatization, Stopword Removal
Sentiment Analysis, Topic Modeling (TF-IDF, LDA)
Word Embeddings: Word2Vec, TF-IDF, CountVectorizer
Sentence Similarity: sentence-transformers, cosine similarity
Data Engineering & Pipeline Work Data Cleaning, Feature Engineering, Label Encoding, One-Hot Encoding
Workflow: Jupyter Notebooks → Python Scripts → CSV/Excel → ML Model
Scikit-learn Pipelines & Model Deployment Readiness - AutoCAD, Inventor, Siemens NX
- C, MATLAB, LabVIEW
- PLC Programming and Troubleshooting
- Instrumentation and CNC Operations
- Welding (TIG, MIG, Arc)
- Maintenance and Engineering
- Preventive Maintenance and Equipment Repair
- Electrical Systems Maintenance and Safety
- Process Improvement and Quality Control
- Regulatory Compliance (eg, NEC Standards)
- Equipment Optimization and Troubleshooting Strategies
- Analytical and Project Management
- Data Analysis and Problem Solving
- Project Management and Time Management
- Inventory Management and Resource Allocation
- Process Efficiency and Continuous Improvement
- Interpersonal and Collaboration Skills
- Communication and Team Collaboration
- Technical Support and Training
- Safety Standards and Electrical Safety Awareness
Certification
- AI/ML PROFESSIONAL CERTIFICATION Jan 2025 - Jul 2025 UC Berkeley
- INDUSTRIAL ELECTRICAL MAINTENANCE BOOTCAMP Jun 2024 State Fair Community College
Accomplishments
AI for Predictive MaintenanceRoot Cause Analysis via NLP
Timeline
Maintenance Electrician/Technician
Modine Manufacturing
04.2023 - Current
Onsite Manager/Sales
Lighthouse Contracting
01.2020 - 01.2021
Owner/Operator
Fizerco Construction
03.2019 - 06.2024
Inventory Control Manager
Deco Tool Supply Co
01.2014 - 01.2016
Mechanical Engineering - undefined
Missouri University of Science and Technology
Associate of Science and Engineering - undefined
State Fair Community College
Associate of Arts - undefined
State Fair Community College
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