Marco Rojas
Roma
Summary
Electronic and telecommunications Engineer working as an Industrious Dev and Site Reliability Engineer offering over 25 years of background in supporting infrastructure application solutions and integration activities. Well-rounded and conscientious professional committed to proactively managing change and quickly deploying critical applications. Expertise in project management, team leadership, strategic business support, development, implementation, systems integration, and testing of IT solutions.
Overview
35
35
years of professional experience
Work History
Senior DevOps Engineer
NEXI
09.2023 - 02.2024
- System Support Engineer, supporting MongoDB, Rabbit MQ, and Kafka working in an environment based on OpenShift, using Docker, Jenkins, Git, Confluence, Jira, and Grafana.
- Conducted regular performance assessments of application infrastructure, identifying bottlenecks and making necessary optimizations to enhance service quality.
Senior Middleware Support Engineer
ORACLE
03.2023 - 09.2023
- Middleware System Engineer, supporting Oracle WebLogic Application Server, Oracle SOA Suite, including Oracle BPM and Oracle Tuxedo
- Performed preventative maintenance to keep tools and equipment functional.
Senior DevOps Engineer
LUTECH
11.2021 - 04.2023
- Worked in an environment based on Kubernetes, WebSphere wcbd, HCL Commerce based on Google Cloud Platform, Microsoft Azure, Amazon AWS and OpenShift, using Docker, Jenkins, Git, Ant, Jira, Rundeck, Coremedia, Grafana, MySQL Enterprise Monitor and Dynatrace
- Reduced deployment times with the introduction of CI/CD pipelines for multiple projects.
- Developed custom scripts using Python or Bash languages to automate repetitive tasks or integrate disparate systems effectively streamlining workflows across departments.
- I supported GCP to: SACCHI, Ferragamo and Dimo
- I supported Azure on customers: MSC, Wind, and Irritec.
Support Engineer
CLOUDIAN
05.2020 - 10.2021
- Technical support engineer, working on troubleshooting Cloudian Hyperstore storage software, which is a high-performance distributed storage system compatible with Amazon S3 and deployed on Linux, working with Cassandra DB, Redis, and Puppet.
- The role of the engineering team was to meet the expectations of customers who are cloud service providers (data centers and ISPs), system integrators or partner resellers, and corporate customers, as well as issue defect reports, troubleshooting, and feature requests.
- Responded to support requests from end-users and patiently walked individuals through basic troubleshooting tasks.
- Conducted root cause analysis of technical issues, implementing preventive measures for future occurrences.
- Contributing to the maintenance of Cloudian Knowledge Base by answering frequently asked questions and presenting problem-solving techniques.
Middleware Specialist
CEGEKA
01.2020 - 05.2020
- Strategic consulting and support for Oracle WebLogic Application Server, Oracle SOA Suite, Suse Linux 11, 12; Support and management of systems
- Support and troubleshoot for systems in java and development of programs in Python and Shell Script for integration.
- Devised and implemented processes and procedures to streamline operations.
- Support for system integration and automation of the process.
Devops Specialist
SISAL
12.2018 - 12.2019
- Strategic consulting and support for Oracle WebLogic Application Server, Oracle Cloud, Oracle Database, Red-Hat Linux, Ansible, Jenkins, Jira, Git, Nagios; Support and management of systems
- Support and troubleshoot for systems in java and development of programs in Python and Shell Script for integration.
- Support and analysis with Oracle Enterprise Manager and Splunk
- Support for migration of client business applications, system integration, and troubleshooting
- Development of scripts to automate process deployment with Ansible, Shell, and YAML.
Middleware Specialist
SORINT.LAB
09.2018 - 12.2018
- Strategic consulting and support for Oracle WebLogic Application Server, Oracle SOA Suite, Red-Hat 5.5, 6.9, VMware and Windows; Support and management of systems
- Support and troubleshoot for systems in java and development of programs in Python and Shell Script for integration
- Support for migration of client business applications, system integration, and troubleshooting
- Development of scripts to automate process deployment with Ansible, Shell.
Middleware Specialist
IBM / MEDIOBANCA
01.2018 - 12.2018
- Strategic consulting and support for IBM WebSphere Application Server, WebSphere MQ; Oracle WebLogic Application Server, Oracle WebLogic Suite, Oracle ECM, Oracle WebCenter; JBoss Application Server, Red-Hat 7.2 and Rundeck; Support and management of systems
- Support for business applications, system integration, and troubleshooting
- Development of scripts to automate process deployment with Rundeck, Shell, and YAML.
DevOps Specialist
UBI BANCA
08.2017 - 12.2018
- Strategic consulting and support for Oracle WebLogic Application Server, Oracle WebLogic Application Server, Oracle WebLogic Suite, Oracle ECM, Oracle WebCenter; Red-Hat 5.5, 6.9, VMware and Satellite; Support and management of systems in Cloud
- Support for migration of client business applications, system integration, and troubleshooting.
- Spearheaded migration projects to shift legacy systems onto modern platforms, increasing operational efficiency and security compliance.
- Integrated cutting-edge monitoring tools into the existing technology stack for real-time insights into application performance.
Site Reliability Engineer / Coordinator
BRADESCO SEGUROS
05.2015 - 08.2017
- Coordination of an 11-person Technical Support Team - working Night shifts: 7pm to 4am
- Strategic consulting and support to WebSphere Application Server and Portal; IBM WebSphere installed on Linux RedHat and on IBM Mainframe Z/OS environment; IBM FileNet P8 5.X platform; IBM WebSphere Message Queue; IBM Integration Bus; SQL – Oracle, DB2, My-SQL Integration, UML, Agile, ITIL, RUP, Eclipse Framework, Web services WSDL, SOAP, REST and DYNATRACE; Support and management of systems using IBM Case Manager
- Support for business process management, systems integration, tuning, and troubleshooting.
- Improved incident management workflows by creating comprehensive documentation on troubleshooting procedures and common issues resolution steps.
- Developed custom scripts/tools as needed to automate routine tasks, increasing overall team productivity and efficiency.
Middleware Specialist
EMBRATEL
02.2016 - 06.2016
- Technical leadership for a multidisciplinary support team – 9 am – 6 pm
- Support to Middleware systems; Support to Operating Systems (Red Hat Linux - Windows); Database Administration (SQL Server, MySQL, and Oracle);
- Network support; Monitoring, troubleshooting, and tests;
- Support for applications based on Oracle WebLogic Application Server platforms, Apache, PHP with operating systems Red Hat Linux and Windows.
Project Manager
HAZTEC Tecnologia e Planejamento Ambiental
09.2013 - 12.2014
- Strategic management and consulting for Salesforce and Oracle CRM
- Description: Project management, system requirements analysis, design, and customization for Salesforce Cloud CRM solution integrating with Totvs Protheus ERP to an industry of environmental waste treatment
- Project management for business systems at Haztec.
- Planned, designed, and scheduled phases for large projects.
Site Reliability Engineer / Coordinator
DSCON
02.2011 - 08.2013
- Site Reliability Engineer and Coordinator of a 5-person team to Support for Business Process Management
- Support and management of systems, responsible for implementing a SOA solution of the digital process for scanning documents and automation of the processes with Oracle SOA systems, including Oracle WebLogic Suite, Oracle ECM, Oracle WebCenter, and Oracle Database 11g, Support to Operating Systems (Red Hat Linux - Windows)
- Support for business process management, client applications, systems integration, tuning, and troubleshooting.
- Improved incident management workflows by creating comprehensive documentation on troubleshooting procedures and common issues resolution steps.
- Developed custom scripts/tools as needed to automate routine tasks, increasing overall team productivity and efficiency.
Support for Web Unix Systems
STEFANINI
06.2010 - 01.2011
- Support for Business Process Management
- Description: Support and administration of web systems environments including Oracle WebLogic Server and Portal, Oracle BPM, Oracle ESB, Oracle SOA Suite, and Oracle Data Integrator
- Management of web applications environment.
- Support for business process management, client applications, systems integration, tuning, and troubleshooting.
- Installed, configured, tested and maintained operating systems, application software, and system management tools.
- Assisted in capacity planning efforts to meet growing demands on system resources while minimizing costs associated with hardware procurement or upgrades.
Business Systems Prime
IBM
12.2009 - 05.2010
- Project manager, leading a team responsible for the maintenance of the web commercial system
- Lead the business systems support team responsible for managing TV Globo's Commercials Grid with applications based on Oracle WebLogic SOA Suite, interfacing with the Mainframe and Oracle relational database, acting as Site Reliability Engineer responsible for administration, tuning, and troubleshooting of applications.
- Identified critical issues within existing systems, providing recommendations for resolution and prevention of future problems.
- Created and maintained standard operating procedures governing system functions and features.
- Assessed business requirements to create focused solutions.
Senior Middleware Support Engineer
DECATRON
05.2007 - 12.2009
- Support for Business Process Management
- Support and administration of WEBLOGIC environment for the development of workflow solutions including Oracle BPM, Oracle ESB, Oracle WebLogic SOA Suite, and Oracle Data Integrator, Support to Operating Systems (Red Hat Linux - Windows), UML, Agile, ITIL, Eclipse Framework, Web services WSDL, SOAP, REST, PL-SQL, and Oracle RDBMS
- Management of web applications
- Support for business process management, systems integration, tuning, and troubleshooting.
- Established strong working relationships with clients through exceptional communication skills, fostering trust and collaboration.
- Performed preventative maintenance to keep tools and equipment functional.
Prepaid and Middleware Support
ATOS ORIGIN / TELECOM PERSONAL ARGENTINA
07.2006 - 03.2007
- Prepaid and Middleware Support
- Support and administration of prepaid and middleware environment based on TUXEDO and WEBLOGIC servers
- Support for operations, systems integration, and flow control, monitoring, and troubleshooting.
- Developed custom scripts for automating routine tasks, resulting in reduced manual effort and increased productivity.
Customer Care and Billing System Support
ACCENTURE / BTK
02.2006 - 07.2006
- Support for Customer Care and Billing System
- Support and administration of Customer Care and Billing environment performing installation, integration tests, and supporting all the environments: development, system test, integration, UAT, and production
- The main role of the project was the support of SIEBEL, TIBCO, and GENEVA applications.
Prepaid and Middleware Support
TIM ITALIA
06.2005 - 01.2006
- Support for OPSC-NG System
- Support and administration of Prepaid system (OPSC-NG)
- Supporting TUXEDO, WEBLOGIC, ORACLE, and OPSC DB; Support for middleware, CRM, and client systems; Management of the Prepaid application environment
- Support for systems integration, workflow, and troubleshooting.
- Developed custom scripts for automating routine tasks, resulting in reduced manual effort and increased productivity.
- Provided technical guidance to junior team members, fostering their growth as Middleware Administrators within the organization.
Middleware and VAS Systems Coordinator
TIM BRASIL
02.2002 - 07.2005
- Coordination of Middleware and WEB/VAS Systems Support Team
- Support and administration of middleware environment based on TUXEDO and WEBLOGIC servers integrating post-paid (BSCS), prepaid (OPSC), and CRM (Clarify)
- Support for web and VAS applications, maintaining the business web portal and Job scheduling (Control-M), Support to Operating Systems (Compaq Unix - Windows); Support for installation, tuning, and administration of middleware environment and web applications
- Support for systems integration, workflow, Job scheduling, and troubleshooting
- Management of Vignette Server.
- Improved system efficiency by streamlining processes and implementing automation tools.
- Developed user training materials for new applications, increasing employee proficiency and reducing support requests.
Systems Administrator
IBM / GLOBO TELEVISION
05.1998 - 01.2002
- Role: Administration and support for systems based on client-server environments
- Description: Support to Operating Systems Unix: HP-UX, AIX, SCO, Solaris, Novell Netware, Windows and IBM Mainframe; Responsibilities: Administration of client-server applications, support for systems integration, flow control and troubleshooting, support for web applications based on an environment formed by Bea WebLogic / Tuxedo platform and Oracle 8i RDBMS and Control-M Job scheduling.
Systems Administrator
BANCO BOAVISTA S.A
06.1989 - 05.1998
- Support and administration of network systems based on Mainframe, HP-UX - AIX Unix
- Unix HP-UX, Novell Netware, IBM Mainframe and Windows Network Administrator
- Oracle 7.3 and 8i Database Administrator
- Business process management using the Control-M
- Technical Analyst
- Maintenance of telecommunications network, electrical and hardware systems
- Responsible for electrical installations and equipment maintenance.
Education
Post Graduation - Project Management
Universidade Federal Fluminense
Rio de Janeiro, Brazil01.2016
Post Graduation - Analysis and project of systems
Pontifícia Universidade Católica
Rio de Janeiro, Brazil01.2008
Bachelor's Degree - Electronics and Telecommunications Engineering
Universidade Gama Filho
Rio de Janeiro, Brazil03.1994
Skills
- Google Cloud Platform
- Jenkins
- Openshift
- Kubernetes
- Docker
- Git
- Azure
- Coremedia
- Jira
- Amazon AWS
- HYPERSTORE
- MongoDB
- CassandraDB
- IBM WEBSPHERE
- IBM FileNet
- IBM WebSphere Message Queue
- IBM Integration Bus
- Red-hat Satellite
- DYNATRACE
- VMware
- SALESFORCE CRM
- ORACLE CRM
- ORACLE FUSION MIDDLEWARE
- ORACLE BPM
- ORACLE WEBLOGIC SUITE
- ORACLE ESB
- ORACLE CONTENT SERVER
- BEA TUXEDO
- BMQ
- Vignette Content Suite
- Apache
- Tomcat
- Java
- Python
- Ansible
- Rundeck
- Shell-script
- Oracle PL / SQL
- SQL -MYSQL
- Web Services WSDL
- SOAP
- REST
- BPML 2
- Red-Hat
- HPUX
- AIX
- Sun Solaris
- Remedy
- Oracle
- Siebel
- TIBCO
- GENEVA
- CRM
- CLARIFY
- Tivoli Enterprise Console
- Unicenter TNG
- Control/M
- Windows
- UML
- Agile
- Scrum
- ITIL
- Microservices Architecture
- Containerization Technologies
- Scripting Languages
Curriculum Vitae
Electronic and telecommunications engineer, experienced in project management, team leadership, strategic business support, development, implementation, systems integration, and testing of IT solutions; Looking for an opportunity to use the experience with telecoms and information technology in managing and supporting systems. Able to contribute with experience in systems integration in projects with DevOps automation. Experience in Engineering and systems management and Internet technologies.
Training
- COREMEDIA FOUNDATIONS – COREMEDIA 2022
- GOOGLE CLOUD PLATFORM – GOOGLE 2022
- RED-HAT SATELLITE – RED-HAT 2017
- DYNATRACE ADMINISTRATION – DYNATRACE 2017
- Z/OS – IBM 2016
- ITIL v.2 – MENTOR PROJECT PETROBRAS 2008
- ORACLE - WEBLOGIC INTEGRATION 9.2 BEA 2007
- ORACLE - WLS 9-10: PERFORMANCE TUNING BEA 2007
- BEA - WEBLOGIC 8.1 BEA 2004
- CONTROL-M BMC 2002
- VIGNETTE – CONTENT SUITE V6 VIGNETTE 2002
- BEA - WEBLOGIC 5.1 BEA 2000
- BEA - TUXEDO 6.5 BEA 2000
- WINDOWS NT SERVER ADMIN - MICROSOFT 2000
- INTRODUÇÃO À OPERAÇÃO OS390 MAFFEI 1999
- ORACLE 8 - PL/SQL ORACLE - GCM 1998
- HPUX 10.X – UNIX OPERATIONAL SYSTEM - HP 1997
- NOVELL NW 4.11 INTRANETWARE ADMIN - NOVELL 1997
Languages
English
Bilingual or Proficient (C2)
Portuguese
Bilingual or Proficient (C2)
Italian
Bilingual or Proficient (C2)
Spanish
Advanced (C1)
Timeline
Senior DevOps Engineer
NEXI
09.2023 - 02.2024
Senior Middleware Support Engineer
ORACLE
03.2023 - 09.2023
Senior DevOps Engineer
LUTECH
11.2021 - 04.2023
Support Engineer
CLOUDIAN
05.2020 - 10.2021
Middleware Specialist
CEGEKA
01.2020 - 05.2020
Devops Specialist
SISAL
12.2018 - 12.2019
Middleware Specialist
SORINT.LAB
09.2018 - 12.2018
Middleware Specialist
IBM / MEDIOBANCA
01.2018 - 12.2018
DevOps Specialist
UBI BANCA
08.2017 - 12.2018
Middleware Specialist
EMBRATEL
02.2016 - 06.2016
Site Reliability Engineer / Coordinator
BRADESCO SEGUROS
05.2015 - 08.2017
Project Manager
HAZTEC Tecnologia e Planejamento Ambiental
09.2013 - 12.2014
Site Reliability Engineer / Coordinator
DSCON
02.2011 - 08.2013
Support for Web Unix Systems
STEFANINI
06.2010 - 01.2011
Business Systems Prime
IBM
12.2009 - 05.2010
Senior Middleware Support Engineer
DECATRON
05.2007 - 12.2009
Prepaid and Middleware Support
ATOS ORIGIN / TELECOM PERSONAL ARGENTINA
07.2006 - 03.2007
Customer Care and Billing System Support
ACCENTURE / BTK
02.2006 - 07.2006
Prepaid and Middleware Support
TIM ITALIA
06.2005 - 01.2006
Middleware and VAS Systems Coordinator
TIM BRASIL
02.2002 - 07.2005
Systems Administrator
IBM / GLOBO TELEVISION
05.1998 - 01.2002
Systems Administrator
BANCO BOAVISTA S.A
06.1989 - 05.1998
Post Graduation - Project Management
Universidade Federal Fluminense
Post Graduation - Analysis and project of systems
Pontifícia Universidade Católica
Bachelor's Degree - Electronics and Telecommunications Engineering
Universidade Gama Filho
Similar Profiles
Shanmugam ThevarShanmugam Thevar
Technical Lead at Nexi / NetsTechnical Lead at Nexi / Nets
Effimia AsteriadouEffimia Asteriadou
Customer Service Banking Supervisor at NEXI GREECECustomer Service Banking Supervisor at NEXI GREECE
Odysseas KonstantinopoulosOdysseas Konstantinopoulos
Head of Business Analysis and Product Innovation at NEXI PROCESSING GREECEHead of Business Analysis and Product Innovation at NEXI PROCESSING GREECE