JACK KUOKU
Senior Data Engineer
Eldoret
Summary
Meticulous Data Engineer with 5+ years' experience in data science and machine learning models. Expert in machine learning,large dataset management,optimization in data structures, data modeling and deployment of Machine Learning Operations (MLOps) . 2+ years of experience in data engineering, accomplished in compiling, transforming and analyzing complex information through data ingestion, pipeline automation, ETL development, and data governance and warehousing. Adept in building and maintaining data lakes, implementing data security and compliance measures. Demonstrated success in identifying relationships and building solutions to business problems.
Overview
15
15
years of professional experience
23
23
years of post-secondary education
1
1
Certification
3
3
Languages
Work History
Senior Data Engineer
Zetta Analytics
Eldoret,Kenya
11.2023 - Current
- Launched new data models and ETL processes to estimate item-level and labeler-level performances using SQL and Spark
- Built data pipelines combining data from multiple sources for deep reinforcement learning algorithms for intrusion detection systems in IoT
- Implemented data ingestion and data validation steps to migrate 100+ TB of on premised data to AWS cloud and Snowflake
- Automated python and SQL ETL Pipelines using perfect core to power Tableau dashboards reducing monthly deployment time from 2-3 days to 2 hours
- Migrated 100+ terabytes(TB) of model training data to AWS data lake.
Founder/Machine Learning Engineer
JQL Network Consultants
02.2015 - 03.2024
- Automated execution of ETL logic by extracting data from HDFS and connecting to sparks clusters for variety of JQL Consultants clientele
- Built two-stage Meta classifier to identify network intrusion for real time enterprise network IDS with for JQL Networks with 98.6% accuracy and 91.8% detection rate
- Developed ML Model basing on predictive and prescriptive data analytics of students' E learning outcomes based on combination of demographic profile data and learning behaviour at University of Eldoret.
- Built deep learning model in python using CNN algorithm to predict resilience of bio diversity and productivity of land in eco-system by use of Shannon index measure and global wood density database.
Project Manager-Technical Lead
Airtel Africa,Tower Co.
07.2013 - 11.2014
- Created visualization boards by analyzing all pending site co-locations , new applications and re-approvals data in seven (7) Airtel Africa operating countries enhancing detailed reports and 100% transparency.
- Introduced real-time data analytics by documenting and reviewing all site information on customer collocation applications and site acceptance by keeping 100% updated site data in SQL and non-relational databases.
- Integrated asset information database and site data to ensure adherence to contractual obligations related to assets and equipment databases increasing clientele satisfaction index from 81% to 98%
- Increased Network Coverage by 3% by rolling-out and commissioning 100+,2G , 50+,3G and 10 more solar and hybrid powered sites in three (3) Airtel Africa Operating countries.
Base Station Sub-System Engineer
Safaricom PLC
08.2011 - 05.2013
- Coordinated the technical support team on commissioning, integration and acceptance testing of over 200 BSS Network elements in Kericho/Bomet regions
- Managed escalations (up to Level-1 Support) of all network issues as per the SLA and followed up with the RTAC[Real Time Automation Controller] for timely resolution of all technical issues raised by project, NOC and RNP teams
- Commissioned, configured and maintained AVIAT ECLIPSE transmission links, TRUEPOINT radios and WIMAX BS in Bomet and Kericho regions achieving a transmission link uptime average of 98%
- Implemented 90% of work Orders relating to BSS network optimization, transceiver(TRX) additions and deletions, swaps and loss implementation and attained regional best of 97% network quality.
Electromagnetic Radiation Engineer
Broadband Engineering and Communications Limited (BECL)
10.2010 - 06.2011
- Analyzed all electromagnetic radiations and exposure limits from microwave and radio transmitter frequencies in GSM/UMTS spectrum with 99.9% conformity to ICNRP Standards
- Rolled-out 57, 2G and 23, 3G sites, integrated and commissioned 37% of NE in Nyanza region for clients attaining 73% network coverage countrywide
- Integrated and commissioned microwave transmission links, analyzed Link designs for documentation, report writing and presentation to clients.
BSS/NOC Technician
Popote Wireless
12.2008 - 08.2010
- Increased redundancy on Data Traffic routes on all CISCO routers and switches in Nairobi's east region acquiring Network stability of 99.97% uptime
- Implemented work orders on IN charging matrix and C&C08 EV Digital SPC switches based on capacity upgrades and increased voice and data traffic usage
- Serviced 47% of all SDH/PDH transmission links and maintained 17 CDMA 2000 Base Transceiver Stations in Nairobi region
- Increased customer satisfaction index from 81% to 95% by offering dedicated Level-1 support on network-related issues and fast-tracking on system-generated alarms from NOC KPI reports.
Education
Master of Science - Telecommunications Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
Nairobi,Kenya 04.2017 - 12.2024
Master of Science - Project Management
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
Nairobi 09.2013 - 12.2025
Bachelor of Science - Electrical And Electronics Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
Nairobi,Kenya 04.2015 - 11.2017
Bachelor of Science - Telecommunications Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
Nairobi,Kenya 4 2003 - 4 2008
Skills
Scala Programming
Deep Learning
Advanced analytics
Apache HBase
SQL (Programming Language)
R (Programming Language)
Amazon Web Services(AWS)
Performance Data Synthesis
Advanced data mining
Data Pipeline Design
Data Analysis
Application Programming Interface (API)
Microsoft Azure
MLOps (Machine Learning Operations)
Cloud Technologies
Data Modeling
SQL and Databases
Hadoop Ecosystem
Data Management
Big Data Processing
RDBMS
Data Migration
Data Acquisitions
NoSQL Databases
Team Collaboration
Storage virtualization
Interpersonal Skills
ETL development
API Development
Data repositories
SQL Programming
Data Visualization
Data Warehousing
Relational databases
Python Programming
Database Administration
Enterprise Resource Planning Software
Time management abilities
Adaptability and Flexibility
Real-time Analytics
Analytical Thinking
Data Aggregation Processes
Data Governance
Amazon Redshift
Data programming
Machine Learning
Teamwork and Collaboration
Problem-solving abilities
Scala Programming
References
References available upon request
Certification
Professional Certificate in Data Science,Harvard University
Timeline
Professional Certificate in Data Science,Harvard University
04-2024
Senior Data Engineer
Zetta Analytics
11.2023 - Current
Master of Science - Telecommunications Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
04.2017 - 12.2024
Bachelor of Science - Electrical And Electronics Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
04.2015 - 11.2017
Founder/Machine Learning Engineer
JQL Network Consultants
02.2015 - 03.2024
Master of Science - Project Management
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
09.2013 - 12.2025
Project Manager-Technical Lead
Airtel Africa,Tower Co.
07.2013 - 11.2014
Base Station Sub-System Engineer
Safaricom PLC
08.2011 - 05.2013
Electromagnetic Radiation Engineer
Broadband Engineering and Communications Limited (BECL)
10.2010 - 06.2011
BSS/NOC Technician
Popote Wireless
12.2008 - 08.2010
Bachelor of Science - Telecommunications Engineering
Jomo Kenyatta University of Agriculture And Technology (JKUAT)
4 2003 - 4 2008