Cristian Almaraz
Buenos Aires
Summary
IT professional with 10+ years of experience in infrastructure, production support, critical operations, and automation, mainly within fintech and payment processing environments. Hybrid profile combining infrastructure management, L2/L3 support, databases, financial integrations, and internal tools development. Hands-on experience with Linux and Windows environments, AWS, GCP, Docker, PostgreSQL, advanced SQL, APIs, SFTP, PGP, VPNs, routing, proxies, production troubleshooting, reconciliation, billing, and reporting processes. Focused on understanding end-to-end systems, resolving incidents, improving operational reliability, and automating repetitive tasks. Currently leveraging AI-assisted development to accelerate scripting, incident analysis, documentation, reporting, and prototyping.
Overview
7
7
years of professional experience
Work History
Systems & Infrastructure Engineer
Cobro Inmediato
Argentina
01.2023 - Current
- Directed support activities for fintech production environments, focusing on operational continuity, critical integration processes, and complex incident resolution.
- Executed server administration and troubleshooting tasks, focusing on Linux and Windows environments, while maintaining service integrity and application functionality.
- Oversaw and optimized cloud infrastructure connectivity on AWS and GCP, addressing routing and communication challenges across environments.
- Conducted thorough troubleshooting and management of Fortigate VPN policies, validating outbound connections to external service providers.
- Executed integration of banking and financial systems via SFTP APIs, ensuring secure data transmission and efficient payment workflows.
- Validated data integrity through SQL/PostgreSQL analysis and debugging, facilitating accurate billing and reporting.
- Created and implemented Python and Bash automation scripts to optimize processes and alleviate workload burdens.
- Designed and implemented infrastructure solutions to enhance system performance and reliability.
- Led cross-functional teams in deploying new network technologies and optimizing existing systems.
Implementation Consultant / Support Analyst L2
Cobro Inmediato
Argentina
09.2022 - 12.2023
- Implemented technical solutions for new client onboarding and integrated payment platform functionalities.
- Implemented and monitored web services/API payment flow configurations to ensure efficient data interchange between systems.
- Achieved timely resolution of escalated incidents by fostering collaboration between development teams and clients. Enhanced system performance through thorough analysis of functional and technical errors. Improved operational processes, resulting in increased client satisfaction and service quality.
- Utilized SQL and Postman for data validation processes, ensuring reliable consistency between client platform and external vendor systems.
Support Application SSR
Cobro Inmediato
Argentina
09.2020 - 09.2021
- Facilitated resolution of escalated incidents and optimized critical processes through effective technical support for applications and system integrations.
- Achieved improved application reliability by diagnosing failures through SQL queries. Identified critical issues through comprehensive log reviews. Enhanced data validation processes and analyzed application behavior for optimal performance.
- Contributed to seamless communication between development teams and operations by implementing web service and API integrations.
- Adapted to rapidly changing conditions while executing tasks, ensuring alignment with team objectives.
- Cultivated a proactive approach to responsibilities, ensuring high standards of performance and reliability.
Application and Database Support Analyst
Tecnologística Consultores S.A.
Argentina
09.2019 - 08.2020
- Executed comprehensive incident analysis and facilitated support for corporate applications, focusing on SQL queries and information validation processes.
- Achieved timely resolution of support tickets through effective error diagnosis. Created detailed documentation to streamline case handling. Facilitated technical escalations to optimize support efficiency.
- Coordinated efforts with users and internal teams to pinpoint and address functional and operational problems effectively.
- Analyzed client-reported technical issues and implemented solutions to improve support service delivery.
- Engaged with cross-functional teams to refine support processes, ensuring timely and effective service delivery.
Education
Analista de Sistemas -
Instituto Raúl Scalabrini Ortiz
IRSO01-2021
Skills
- Infrastructure automation
- Linux and Unix administration
- Windows Server administration
- Cloud infrastructure management
- Docker
- Python scripting
- Bash scripting
- SQL
- REST API integration
- Production support
- Incident management
- Network troubleshooting
Languages
English
Professional Working
Timeline
Systems & Infrastructure Engineer
Cobro Inmediato
01.2023 - Current
Implementation Consultant / Support Analyst L2
Cobro Inmediato
09.2022 - 12.2023
Support Application SSR
Cobro Inmediato
09.2020 - 09.2021
Application and Database Support Analyst
Tecnologística Consultores S.A.
09.2019 - 08.2020
Analista de Sistemas -
Instituto Raúl Scalabrini Ortiz