Abraham Rendon Flores
Computer Systems Engineer
CDMX
Summary
Computer Systems Engineer and master’s in project management with 15+ experience in IT areas and middleware platforms. Collaborate with a company that offers the opportunity to continue developing myself professionally and personally. Experienced with maintaining and improving system reliability through automation and proactive monitoring. Utilizes problem-solving skills to troubleshoot and resolve complex issues efficiently. Knowledge of infrastructure optimization and collaborative teamwork to enhance system performance and reliability. Committed to leveraging skills to optimize system performance and ensure seamless user experiences.
Overview
14
14
years of professional experience
7
7
years of post-secondary education
9
9
Certifications
1
1
Language
Work History
Sr. Site Reliability Engineer
Citibanamex
CDMX
04.2021 - Current
- Develops technology road maps, while keeping up-to-date with emerging technologies, and recommends business directions based on these technologies
- Provides integrated systems planning and recommends innovative technologies that will enhance the current system
- Impacts the architecture function by influencing decisions through advice, counsel or facilitating services
- Define and deliver SLOs (Service Level Objectives) and SLIs (Service Level Indicator) in order to describe basic properties of metrics that matter and determine what engineering work to prioritize
- I've participated in the recruitment process to create a technical support team, interviewing and selecting suitable profiles to cover vacancy positions. Now there are a 20-colleague team.
- Evaluated new technologies and tools to enhance overall system performance, stability, and security.
- Improved incident management workflows by creating comprehensive documentation on troubleshooting procedures and common issues resolution steps.
- Conducted root-cause analyses after major incidents to identify areas for process improvement or technical enhancement opportunities.
- Implemented cost-saving measures by optimizing resource utilization across cloud-based infrastructure environments.
- Due to the bank's divestiture, I took ownership of one of the observability tools (Aternity), taking the L1/L2/L3 support along with a 3-colleague team and the administration and configuration of this. With this transition, we're delivering more value to the local production support team; reducing ticket time response.
Cloud Manager
GNP Seguros
CDMX
04.2017 - 04.2021
- As responsible for Google's public cloud, I administer and configure cloud services, help development teams design the best migration and application creation methods, and evaluate the company's cost-benefit ratio.
- I designed and implemented the CI/CD architecture to make on-demand releases from low environments to high environments (GitLab, Nexus, and Automic Release Automation were some of the involved tools in this)
- I implemented the needed configuration to integrate CI/CD pipelines with platforms such as JBoss, Openshift (with Docker and Kubernetes), and Google Cloud (GKE).
- As responsible for the CI/CD process, I gave technical support and onboarding guidance to those new applications and those already using the CI/CD approach.
- I was responsible for different middleware platforms such as Openshift Platform, JBoss EAP, Red Hat Active MQ, Automic Release Automation, GitLab EE, and Nexus Repository.
- Installing, administrating, and configuring these platforms, resolving issues related to this matter, designing and implementing the architecture, capacity, continuity of business, maintenance, and upgrade plans.
- I also participated in L2/L3 technical support for both high and low environments.
- I developed scripts in bash to automate repetitive tasks (toil reduction)
- I managed the docker repository along with the Kubernetes engine.
- Basic LX/UX administration
- Accomplished multiple tasks within established timeframes.
- Managed and motivated employees to be productive and engaged in work.
System Specialist
Mexican Stock Exchange – Grupo BMV
CDMX
08.2012 - 04.2017
- Support, configuration, maintenance and administration of application servers Weblogic 9.2, Weblogic 10.1.0, Weblogic 12.1.2, JBoss 4, JBoss 5, Tomcat, Apache
- Support, configuration, maintenance and administration of external containers JMS Sonic MQ versions 7.5 and 7.6
- Support, configuration, maintenance and administration of application monitoring tool, performance and system resources CA Introscope Wily versions 8.3.2.0 and 9.5.2.0
- Technical support and attention to incidents to application servers of the Grupo Bolsa Mexicana de Valores companies
- Identified opportunities for process improvements by analyzing user feedback and monitoring key performance metrics closely.
- Managed routine maintenance tasks, such as updating software, patching security holes, and replacing outdated hardware components.
- Established effective communication channels between IT staff and end-users for efficient resolution of technical concerns.
Weblogic Senior Consultant
Harbinter Soluciones
CDMX Y Nuevo Leon, Mty
03.2011 - 08.2012
- I installed and configured Weblogic 11gR1 (10.3.4) for Grupo SENDA (Monterrey, N.L.)
- I installed and configured Weblogic cluster 11gR1 (10.3.4) for Grupo SENDA (Monterrey, N.L.)
- I gave a training course on installation, administration and configuration of Weblogic Server 11g R1 (10.3.4) to employees of the systems area of
Grupo SENDA in Monterrey, Nuevo León - Optimization of deployment of applications in Weblogic by programming Shells in Oracle Linux OS in Python language and WLST (Weblogic Scripting Tool) commands for COFETEL
- Application monitoring (JConsole and JRockit Mission Control) for COFETEL, on Weblogic Server 10.3.0
- Support and attention to incidents, deploy and configuration on the facilities (domains) of Weblogic 10.3.0 for COFETEL
- Support and attention to incidents in Weblogic 10.3.4 for applications of the Secretary of Public Security
Education
Master - Project Management
Universidad Tecnologica De Mexico
CDMX 01.2011 - 12.2013
Computer Systems Engineer - IT
Universidad Tecnologica De Mexico
CDMX 01.2003 - 12.2006
Skills
SRE practices
DevSecOps knowledge
Google Cloud Platform Architect
Project management
Work under pressure
Analytical skills
Problem solving
Proactivity
Empathy
Adaptation to change
Self-taught
Work team management
Effective communication
Responsibility
System monitoring
Log analysis
Microservices architecture
Containerization technologies
Infrastructure automation
Disaster recovery
Staff management
Project coordination
Work planning
Technical expertise
Certification
Certified Kubernetes Application Developer, The Linux Foundation, LF-ybirpw5jbo, Expires: 12/22/26
Timeline
Certified Kubernetes Application Developer, The Linux Foundation, LF-ybirpw5jbo, Expires: 12/22/26
12-2024
Certified Kubernetes Administrator, The Linux Foundation, LF-hi9od68mum, Expires: 05/21/26
05-2024
Red Hat Openshift Administration I - Operating a Production Cluster (DO180)
04-2022
Sr. Site Reliability Engineer
Citibanamex
04.2021 - Current
Google IT Automation with Python, Coursera, 09/01/20, https://www.coursera.org/account/accomplishments/specialization/certificate/N779K3369PAV
09-2020
Cloud Manager
GNP Seguros
04.2017 - 04.2021
System Specialist
Mexican Stock Exchange – Grupo BMV
08.2012 - 04.2017
Weblogic Senior Consultant
Harbinter Soluciones
03.2011 - 08.2012
Master - Project Management
Universidad Tecnologica De Mexico
01.2011 - 12.2013
Computer Systems Engineer - IT
Universidad Tecnologica De Mexico
01.2003 - 12.2006