Alberto Rojas
About the Candidate
ALBERTO MAURICIO ROJAS SÁEZ
Address: Nueva Tobalaba 1600 – 95, Puente Alto, Santiago, Chile
Phone number: +56 9 7980 7715
Email: albertorojassaez@gmail.com
Website: linkedin.com/in/albertorojassaez
SKILLS
❏ Programming languages : PHP, Shell Scripting (bash), VB.NET, Javascript, Java
❏ Databases : Oracle Database, MySQL, PostgreSQL, MS SQL Server
❏ OS : UNIX (RHEL, CentOS, Solaris)
❏ Technologies : AWS, Google Cloud Platform (GCP), Docker, Jenkins, Tomcat, Nagios, Grafana, Prometheus, Jira, Confluence, Magento
❏ Others : ITIL, APM, DevOps, Agile.
❏ Languages : Spanish (Native), English (Professional working proficiency)
EDUCATION
Technological University of Chile INACAP
Computer Engineering, Bachelor’s Degree, 2008 – 2012
Amazon Web Services
AWS Certified Cloud Practitioner, valid until September 2023
EXPERIENCE
SysAdmin at Liberty Mutual , June 2019 – July 2020
Industry: Insurance. Administration, support and monitoring of systems, specially Middleware application tier. The work is carried out during working hours and on-call shifts. Duties:
❏ AWS administration: EC2, S3, LoadBalancer, SecurityGroup, ECS, RDS, CloudFormation, CloudWatch, CloudFront, AWS CLI, CloudFront, AWS Transfer, CloudTrail
❏ Deploy infrastructure and components on AWS (Jenkins, CloudFormation)
❏ Plan and execute deploy of applications by Jenkins (CI/CD)
❏ Deploy configuration with automation tool Ansible
❏ Manage monitoring tools: AppDynamics, Prometheus, Grafana, APM Pinpoint.
❏ Middleware administration: Weblogic, Websphere, Tomcat.
Middleware Engineer at Falabella Financiero , October 2018 – June 2019
Industry: Banking, Fintech. Administration, support and monitoring of Oracle Fusion Middleware application tier: Weblogic, Oracle SOA Suite, Oracle Service Bus, OHS. The work is carried out during working hours and on-call shifts as a Level 2 support. Duties:
❏ Configuration, patching and tuning of Middleware servers
❏ Plan and execute Deploy to Production: Weblogic, OSB and SOA
❏ OSB sessions: create, edit, delete export and import components
❏ Monitoring, viewing and tracing on Oracle EM And Oracle BTM
❏ Application Performance Monitoring (APM) based on AppDynamics
Middleware Consultant at TIVIT , June 2017 – August 2018
Industry: IT Service Provider. Administration of middleware tier as Oracle Weblogic, Oracle SOA Suite, JBoss, Tomcat, WSO2. The duty is in working hours and on-call shifts, working for external customers as an IT Provider. Duties:
❏ Resolve requirements and incidents in Dev, UAT, QA and Production
❏ Propose improvements and tuning of middleware applications servers
❏ Application server installation, configuration, patching and tuning
❏ Managing Linux OS, installation and configuration (RHEL, CentOS)
❏ Monitoring, improvements and adjustments in middleware and SO
Systems Engineer at LATAM Airlines , February 2014 – June 2017
Industry: Aviation. At the IT Operations Department, responsible for managing incidents in critical systems for the company. Duties:
❏ Admin: UNIX (CentOS, RHEL, Solaris, AIX, HP-UX) and Wintel (2003, 2008)
❏ Administration of databases (Oracle, PostgreSQL)
❏ Middleware administration (WebLogic & Tomcat), tuning, monitoring and performance optimization.
❏ Generate reports on application performance and propose improvements (Root Cause Analysis, Post Mortem)
❏ Administration and maintenance of monitoring tools (Nagios, Dynatrace)
Software Engineer at Tekpro , October 2013 – January 2014
Industry: E-Commerce Service Provider. Deploy the entire E-Commerce website (Magento) integration with payment systems (Webpay Plus). Develop new features, integrate packages and connectors with the entire website (PHP, JavaScript). LAMP Stack: installation, configuration, tuning and administration. Testing features in staging and deploy features in production.
Systems Analyst at Impac , March 2013 – October 2013
Industry: Heavy equipment. Development of applications and websites in PHP and JavaScript, project implementation Ecommerce (Magento), development and correction in legacy applications (Visual Basic), O.S. support (CentOS).