CHRISTIAN
PAREJA
*********@***.*** 678-***-****
Acworth, GA 30102
PROFESSIONAL SUMMARY
Experienced Data Analyst/ RAN engineer with a strong background in data engineering, specializing in building and optimizing ETL pipelines, data modeling, and leveraging cloud technologies such as GCP and AWS. Adept at transforming complex data into actionable insights through advanced analytics and data visualization tools like Looker. Proven ability to collaborate with cross-functional teams to deliver scalable data solutions. WORK HISTORY
Data Analyst Verizon Wireless - Atlanta, GA 09/2023 - 03/2024 Developed and optimized ETL pipelines to streamline data ingestion processes, reducing data latency by 30%.
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Built and maintained data models to support business intelligence and analytics functions, enhancing data accessibility across departments.
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Created data modeling standards and procedures for SHA TracFone, internal and external use .
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• Optimized database performance by designing efficient data models and indexing. Developed predictive model that accurately forecasts customer churn with 25% accuracy using machine learning.
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• Managed output and dashboards to effectively report on key business intelligence.
• Revised existing system logic difficulties to improve data accuracy and throughput. Developed reports and dashboards to report on key business intelligence, utilizing Tableau and power BI.
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Tier II Network Operations Engineer Samsung - Plano, TX 01/2022 - 07/2023 Evaluated, coordinated and performed installation and/or reconfiguration of hardware and software elements of networks trough SQL commands.
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Root Cause Analysis (RCA) on outages or market performance issues(e.g., throughput, accessibility, sustainability, backhaul, handovers(Intra/X2/S1), capacity and coverage).
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• Proactively performed data audit, SW/FW audit, and health check of the OSS needed. Handle and resolved Sev1/Sev2 outage situations seamlessly with customer and internal teams and drive resolution within SLA.
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Alarm Monitoring & necessary Troubleshooting to resolve alarms in Post Migration to Acceptance including RET configuration.
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Provided in-depth technical log analysis, check network configuration, and support customer as needed including C&I team during MW of actual Migration/deployment.
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BTS Engineer AT&T, T-Mobile, Verizon - Seattle, WA 01/2018 - 08/2020 Supported deployment of data systems, enhancing the performance of network infrastructure through data analysis.
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Conducted pre-commissioning, commissioning, integration,maintenance, and upgrades for 4G & 5G cell site equipment.
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Provided seamless end-to-end LTE cell site test support and managed cell site planning phases to remote LTE cell site acceptance.
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Performed site surveys, installation, and troubleshooting of 3G/LTE/4Gequipment, ensuring adherence to site acceptance testing procedures.
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Coordinated network operations, maintenance, repairs, and upgrades during maintenance windows, ensuring minimal downtime.
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Executed radio propagation modeling to determine optimal cell site locations, equipment configurations, and system traffic planning.
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Troubleshot, upgraded, and expanded existing major cellular carrier networks, maintaining up-to-date software and configurations.
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Tier 2 Deployment Support Engineer AT&T - Seattle, WA 02/2016 - 01/2018 Provided technical support and network configurations to customers and crew out on the field
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Managed commissioning & integration of new equipment (2G, 3G and 4G technologies)
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Troubleshoot, upgrade and expand existing major cellular carrier networks / sites during designated maintenance windows
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Overseen repairmen and/or replacement of damaged/faulty items in a timely manner to ensure maximum network availability before it becomes and outage
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• Provided pre & post logs analysis of sites alarms to customer and crews Coordinate DAS installations and provided extensive troubleshooting clearing out alarms after integration of sites
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Knowledge in all aspects of channel addition/removal, base station equipment, alarm analysis, hardware & IP.
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Tier I Deployment Support Engineer T-Mobile - Seattle, WA 02/2013 - 01/2016
• Provided deployment support for LTE/700 commissioning and integration Performed test calls & mobility within designated cells after integration to ensure quality
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• Provide technical reviews and support to customers and crews as needed
• Worked and identified issues within MOPs for different carriers (T-Mobile & AT&T)
• Perform data audit, SW/FW audit, and health check of the OSS
• Assisted customers during maintenance windows and live builds. SKILLS
Cloud Platforms: GCP(Google Cloud
Storage, Google BigQuery, Google
Cloud Dataproc, Google Cloud
Dataflow), AWS (EC2, EMR,
S3, Redshift, Lambda, Glue, Athena,
Kinesis), Azure (Azure Data Factory,
Azure Databricks, AzureFunctions,
Azure Synapse Analytics,
HDInsight, Blob Storage, Cosmos DB).
• Functional Skills: Data Analysis, Data
Pipelining, Data Visualization, Data
Streaming, Data Integration, Data
Transformation, Business
Analysis, Data-Lakes, Distributed
Systems, Agile/Scrum, Business and
Data Analysis, Logistics, Linear
Regression, Open AI integrations,
Project Management.
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• Ticketing Systems: ServiceNow, JIRA. Database Management: ETL: Microsoft SQL Server, Teradata SQL,
Informatica, MongoDB.
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Data Visualization: Tableau, Power BI,
Pandas, Advanced Excel, Amazon Quick
Sigh.
• Programming Languages: Python,
Scala, MySQL.
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Big Data Technologies: Spark, HDFS,
Map reduce, Yarn, Hive, Kafka, Pyspark.
• Data Engineering Tools: Apache NiFi,
Apache Airflow.
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• Version Control: Git, GitHub. CI/CD Implementation: Jenkins, AWS Code Pipeline.
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Security Measures: GDPR
Compliance, AWS IAM.
• Advanced Skills: Data Lakes,
Real-Time Data Processing, CI/CD
Pipelines, Data Versioning, Cloud
Optimization.
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EDUCATION
Kennesaw - Kennesaw, GA 08/2012
Bachelor of Computer Science