Systems Engineer Infrastructure

Victor M. Chalco

** ******** ***, ******** *****, IL 60047

Home: 847-***-**** Cell: 224-***-****

********@*******.***

Summary

Systems Engineer/SRE: Performance, Testing and Troubleshooting.

DevOps Experience maintaining a global site 24/7 ensuring up time with project management knowledge.

Customer-focused, performance-driven engineer delivers results on time and within budget.

Strong analytical skills that allow successful troubleshooting of issues spanning multiple boxes and protocols. Expert on packet capture, Data Analysis, and interface specifications debugging.

Led and worked in several cross functional teams solving customer issues and deploying complex systems; enhancing performance of customer network around the globe.

Conducted training for junior and peer engineers.

Extensive global engineering experience in radio frequency and system performance.

Systems Engineer with years of experience in Wireless Broadband related technologies, such as CDMA, EVDO, LTE.

Education

Lake Forest MBA 2010

Electronic Engineering Universidad Nacional San Agustin

Publications

CFC resolution Guide

Troubleshooting document to narrow down and fix issues in customer’s CDMA systems

RF Planning Guide

Co-author of the document on how to design and size CDMA systems.

Technical Skills

RF Detailed standards knowledge of CDMA, EVDO . Knowledge LTE, VoLTE, A1, 5G.

Programming: Perl, Expect, C, C++, R, Shell, Batch, Awk, Java, Apache, SOAP, SQL/PSQL, XML, HTML UNIX/LINUX, Red Hat/CentOS, Solaris/Oracle, Python, R, Ruby, Splunk, Ansible, AWS, Chef, New Relic, Dynatrace, Docker, Kubernetes, VM, Nagios, Hadoop, JSON, REST, IPMI, PCI-DSS, IP, IPX, TCP, LDAP, github. Jenkins

GDPR, NetScout ISNG

Professional Experience

SDE NetScout, Jul 2018 – Sept 2024

Support nG1, ISNG nPFS platforms, nSA, vStream. Create services. Automate backups. USE nG1 automation API to collect data and test the system. Migrate HW setup to VMs.

Hardware server Migration, Software Feature testing and deployment.

System Engineer, TECI, IL Jun 2017 – Jul-2018

Set up VMs and Python scripts to run Financial Data Analysis on stock data.

Mine data from free form text financial release forms.

SRE / SOC Groupon, Downtown Chicago, IL Feb 2013 – Apr 2017

Site Reliability Engineer

Review and monitor site availability, latency and performance of the Groupon site 24/7. Maintain front and backend services. As DevOps wrote tools to automate maintenance and minimize downtime.

Review and design processes to reduce human error.

Wrote tools to analyze and limit the impact of hadoop failures in Ansible/python/perl/bash.

Alert reduction analysis. Reduced alerts by 30%.

Work on a CI/CD environment checking configuration.

Nokia Siemens Networks, Arlington Heights IL May 2011 – Oct 2012

Solutions Engineer

Software feature testing for CDMA, LTE and EVDO Sprint Wireless.

Create feature test plans to ensure coverage and acceptance by the customer while minimizing penalties. Was able to reduce acceptance time and minimize customer detected errors.

Develop mechanism for Feature knowledge transfer to the customer.

Participant in software roadmap development.

Provide feedback on feature prioritization and content.

Motorola Inc., Arlington Heights IL Nov 2001 – April 2011

Senior System Engineer

Delivered Project Plan and installed an LTE lab.

Test and evaluation of new alarms in the CDMA and EVDO system.

Key Performance Indicators (KPI) assessment in production systems.

Streamlined existing Monitoring Procedures and provided on line dashboards to ease understanding of performance and system issues.

Root cause analysis of performance issues related to call failures.

Detailed Data Analysis on system O&M data. Identified the performance degradation was a result of newly introduced user devices in the network.

Created market analysis reports based on customer requirements which highlighted market capacity and performance issues.

Source code troubleshooting, of performance monitoring software tools.

Designed and installed data collection tools to ease problem resolution during system outages:

Automated the collection and storage of customer configuration SQL databases.

Created audit scripts to highlight parameter issues and post a daily online summary.

Administered the UNIX engineering workstation inside the Sprint network.

Security review of customer systems and hardening of the core system:

Supported customer and served as an interface between groups during the roll out to markets.

Provided detailed explanation of the pros and cons of different security roadmaps.

Technical Lead in the deployment of EVDO for Horizon Wireless and NTelos:

Created processes to simplify and speed roll out.

Conversion of SQL databases between in-compatible systems.

System performance monitoring during roll out and acceptance period.

System troubleshooting of air interface and TCP/IP throughput during CDMA roll out for Sprint:

Supported system deployments, ensuring that committed deadlines and features were met.

Executed field deployments, interfacing with the Customer, showcasing the solution and working in the execution of Acceptance Test Procedures.

Motorola Inc., Arlington Heights, Schaumburg IL Dec 1998 – Nov 2001

Systems Engineer

Executed Outage Recovery for CDMA systems around the world.

Provided Root Cause Analysis and worked on programming code solutions.

Designed and wrote auto troubleshooting features in C++.

Co-developed a training course to analyze core dumps and memory usage.

Wrote technical bulletins for customers.

Provided field support and troubleshooting for the deployment of packet CDMA in Seoul and Hong Kong.

Motorola del Peru, Lima Peru Jun 1996 – Dec 1998

Systems Engineer

Performance monitoring and optimization of the CDMA system.

CDMA system design for systems in Argentina and Brazil.

Recruited and trained client engineers to support RF operation and optimization.

Contact this candidate