I’m looking to work AWS cloud and infrastructure automation for mission-critical systems—pairing high availability, information security, reduce OPEX, improve SLAs, and deliver zero-downtime outcomes.
Looking for a job
Dieison Fabretti
@dieisonfabretti
IT Infrastructure Engineer | Cloud Infrastructure | AWS | IT Operations | Information Security
BrazilWhat I'm looking for
Senior IT Infrastructure professional with over 18 years of experience in fintech, industry, and engineering, supporting critical operations and technology modernization projects. Core areas of specialization: Cloud Infrastructure: AWS and on-premise to cloud migration IT Operations: support for critical environments, 24/7 operations, monitoring, backup and MTTR reduction Systems Administration: Linux, Windows Server, virtualization, servers and corporate networks Information Security: firewalls, VPNs, access control, security policies and environment protection At paySmart Services, I worked for 12 years, also serving as a technical reference in a 24/7 transactional operation, participating in AWS projects, high-availability architecture, operational cost reduction, and support with zero unplanned critical interruptions. Open to international remote opportunities in Cloud Infrastructure, IT Infrastructure, Systems Administration, IT Operations, Cloud Support, Infrastructure Automation, and Information Security. Open to remote international opportunities | Full-time or contract | Available worldwide English — Professional working proficiency
Experience
Work history, roles, and key accomplishments
PS
Senior IT Infrastructure Analyst
PaySmart Services
Feb 2014 - Feb 2026 (12 years)
Owned end-to-end IT infrastructure for a 24/7 fintech environment, serving as the technical reference for networks, servers, cloud, and security. Led AWS migration and HA/contingency design, achieving zero unplanned downtime and reducing infrastructure OPEX while improving MTTR through Terraform-driven automation.
IA
IT Infrastructure Technical Lead
Infrastructure T&T Engenheiros Associados
Nov 2010 - Feb 2014 (3 years 3 months)
Provided technical leadership for IT infrastructure in a multi-platform engineering firm, driving system implementation and migration projects. Consolidated servers with virtualization, hardened security with Fortigate, improved monitoring to reduce MTTR, and standardized IT service processes using ITIL v3.
SA
IT Infrastructure Technician
Sindus ANDRITZ
May 2008 - Nov 2010 (2 years 6 months)
Administered IT infrastructure for a multinational industrial environment, focusing on server stability, network security, and technical support. Managed Windows Server and Linux services, strengthened perimeter defenses (firewall/proxy/antivirus/antispam), and supported ERP and VoIP infrastructure deployments.
Education
Degrees, certifications, and relevant coursework
FT
Faculdade de Tecnologia Pastor Dohms (Tecnodohms)
Bachelor of Technology in Computer Networks, Computer Networks
2014 -
Completed a B.Tech in Computer Networks at Faculdade de Tecnologia Pastor Dohms (Tecnodohms) in 2014.
AC
Alcides Maya Technical College
Technical Degree in Computer Networks, Computer Networks
2008 - 2009
Completed a Technical Degree in Computer Networks at Alcides Maya Technical College from 2008 to 2009.
Availability
Looking for a job
Location
BrazilAuthorized to work in
Social media
Skills
NtopAWSEC2AWS FargateRDSS3Route 53AzureGoogle CloudTerraformAutomationLinuxWindows ServerVMware ESXiHyper VXenVirtualBoxFortiGate BasicsIPtablesVPNIDSBrightmailTCP IPDNSDHCPVLANBGPSwitchSquidPandora FMSNagiosSAN SwitchingDFS ProductsShadow CopiesSVNLAMPBIND9OcomonCentOSDebianGmailUbuntuWindows RemoteZabbixGrafanaLogstash
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