Cristiano D.
DevOps Engineer

Skills

Kubernetes

Docker Cloud

Python

Cristiano is available for hire

Meet Cristiano D.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

With over 15 years of experience in technology, specializing in the retail sector, the candidate possesses a robust background in infrastructure management. Their expertise includes implementing open-source solutions and utilizing Linux for applications such as telephony, monitoring, and task automation, while also leveraging Windows for essential tasks such as ERP software, directory services, and Office 365. Proficiency in Python for automation projects, coupled with the extensive use of PowerShell and C# from a Windows-based background, highlights their technical versatility.

In a pivotal role, the candidate led the migration of locally developed infrastructure to Oracle Cloud, a strategic decision driven by ERP dependencies on Oracle Database, which resulted in significant cost savings. Their involvement extended to the deployment of a Kubernetes cluster with GKE as part of a BI/Data project using Apache Superset.

Passionate about modern tech stacks, their interest in Docker ignited a strong advocacy for containerization technology, Kubernetes, and Terraform. Seeking positions that align with their vision and values, the candidate aspires to contribute to initiatives with a meaningful societal impact within supportive and forward-thinking environments.

Infrastructure Coordinator
3/1/2015 - 12/1/2022

Overseen systems administration, architecture, networking, information security, cloud, and IT infrastructure projects. Developed technical proficiency in hardware specification and acquisition, deploying Dell servers, Aruba and Ubiquiti switches, Cisco and Ubiquiti Wireless, and Fortigate Firewalls. Implemented troubleshooting procedures and automated infrastructure management using Python and PowerShell, leveraging Infrastructure as Code (IAC) with Terraform. Managed cloud platforms and datacenter operations, including virtualization (VM), relational databases, Microsoft Office 365, Windows and Linux operating systems, Active Directory (AD) authentication, Internet Information Services (IIS), Identity and Access Management (IAM), and Security Assertion Markup Language (SAML). Expertise in the management of HTTPS and SSL certificates.

Enhanced information security through effective access management, antivirus implementation, patch management, and incident response. Supervised network infrastructure, including link provider management, WAN, LAN, wireless networks, firewalls, load balancers, routing, DNS, and continuous improvement projects. Directed the deployment and administration of on-premises infrastructure using VMware and Dell solutions, designed and implemented L2 networks across headquarters, branches, and warehouses, and established Active Directory services, Office 365, and an Asterisk VOIP system. Ensured efficient monitoring through Zabbix and facilitated growth by migrating infrastructure to Oracle Cloud.

Managed cloud infrastructure components such as Virtual Machines (VMs), Virtual Private Cloud (VPC), Domain Name System (DNS), Network Load Balancers (NLB), Relational Database Service (RDS), Object Storage, networking, firewalls, and VPN Site-to-Site connections. Conducted seamless integrations with Oracle Cloud, utilizing networking and direct connect functionalities.
Windows Infrastructure Analyst
1/1/2013 - 8/1/2014

Developed expertise in the administration of Windows Servers and proficiently addressed N3 tickets across Latin America along with tickets of all levels for legacy systems in Brazil. Coordinated the deactivation of the legacy infrastructure environment, achieving a substantial cost reduction of $1 million for the regional datacenters.
Infrastructure Analyst
6/1/2010 - 12/1/2012

Developed expertise in the administration of Dell and HP servers alongside extensive management of Microsoft environments, including Active Directory, DHCP, file servers, and print servers. Proficient in scripting through the creation of VBScript and PowerShell scripts. Provided top-level support for Windows desktop environments and conducted the installation and maintenance of Windows Server 2003 and 2008. Managed Lync Server 2010 Standard Edition with a focus on AV and chat functionalities. Administered IBM DS4700 storage by creating RAID groups, LUNs, and mapping. Handled IBM SAN network administration, involving the creation of aliases and zoning. Directed outsourced teams for security, database, and Linux support, and managed supplier support for Dell, HP, and IBM.
Support Analyst
6/1/2007 - 7/1/2010

Acquired skills in desktop and network support, ensuring seamless installation and configuration of desktop systems. Managed and maintained datacenter environments, focusing on optimal performance and operational efficiency. Conducted routine LTO tape backup maintenance, ensuring data integrity and availability for disaster recovery. Administered Active Directory, including account management and security protocols, to safeguard network resources and user data.