Ruy Oliveira
Development
Minas Gerais, Brazil
Skills
Cloud Computing
About
Ruy de Oliveira's skills align with Consultants and Specialists (Information and Communication Technology). Ruy also has skills associated with Programmers (Information and Communication Technology). Ruy de Oliveira has 27 years of work experience.
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Work Experience
Site Reliability and Performance Engineer/DevOps
ZeroHash
July 2023 - January 2024
- Working as SRE/DevOps Engineer maintaining automated pipelines in Github Actions, writing Terraform modules to provison infrastrucuture along with Terragrunt, using Helm and Kustomize to create, tailor and deploy containerized aplications. Supporting cloud resources with multi-account and multi-region deployments, maintaining EKS clusters, planning and executing upgrades of packages, cluster control plane and worker nodes with zero impact on production workloads. Handling incidents, analyzing logs, troubleshooting, identifying the root cause and fixing issues with containerized applications and infrastructure resources. Implementing and maintaining crypto staking infrastructure with Polygon and Avalanche blockchain ecosystem, suporting the deployment and operation of EP3 applications from Connamara Technologies.
Site Reliability Engineer/DevOps
Virtasant
February 2023 - July 2023
- Working as SRE/DevOps Engineer for the company's biggest customer, implementing automated pipelines using customer internal tools and Pulumi for IAC. Maintaining EKS clusters, planning and executing upgrades of packages like Cert-manager, Istio, kube-state-metrics, Prometheus, and cluster control plane and worker nodes with minimal impact on production workloads. Handling incidents, analyzing logs, troubleshooting, identifying the root cause and fixing issues with containerized applications and infrastructure resources. Supporting Fluxcd for application and package deployment, creating standardized and reproducible development, staging and production environments. Integrating Prometheus/Alertmanager monitoring tools with PagerDuty alert systems and Slack.
Site Reliability Engineer
Runa HR
August 2021 - November 2022
- Transform business requirements into infrastructure resources and code the required resources in AWS cloud using terraform and GitHub, implement deployment pipelines using Circleci to deploy applications to EKS clusters, Heroku cloud, lambda, and React SPA to S3 buckets. Infrastructure documentation, handling root causes analysis, incident correction, post-incident reviews and records. Support all cloud infrastructure resources, including VPC, EC2 servers, ELB, RDS, ASG, EKS clusters, security groups, CloudFront, Cognito authentication, route53, Datadog, IAM users, groups and policies, and AWS costs management. Publish mobile apps to Google Play and Apply Store.
Site Reliability Engineer
Rock Content
January 2021 - August 2021
- Support all infrastructure of Rock Stage product, including design, validation, plan and implementation of changes, incident correction, post-incident reviews and documentation with root-cause analysis, code reviews, improve infrastructure and process documentation. Everyday tasks include maintaining cloud infrastructure of VPC, EC2 Linux servers, ELB, RDS, ASG, Kubernetes, K8s cluster-autoscaler, IAC using terraform and GitHub, security groups, CDN, VPN, route53, monitoring with New Relic One, and troubleshoot web applications.
Network Security Team Leader
Inter Bank
September 2019 - October 2020
- The Leadership of the network security squad, planning, implementing and monitoring network projects to increase the maturity level in CIS Controls Framework and management of SLA with internal clients. Responsible for network perimeter security solutions for the on-premises LAN and WLAN environments, Palo Alto Networks firewall, Cisco ISE, WLC and switches, and AWS Cloud, CloudFront, Security Group, VPCs, WAF Akamai, and WAF SecureSphere on EC2 servers.
Network Specialist
Unimed-BH
October 2014 - September 2019
- In this position, I had the role of Principal Network Engineer, in charge of following operational indicators, suppliers' SLA, incidents and root cause analysis reports, action plans, validating and approval of networks related changes and advocating in CAB meetings. Performing with IT outsourcing service providers in designing, planning, implementing and maintaining of LAN, WAN and WLAN networks, enhancing existing infrastructure, identifying internal clients' needs, and very close relation with peers of other towers like middleware and application servers, databases, monitoring & governance, virtualization and OS. Administration of Linux servers, proxy reverse, A10 Networks ADC, FortiADC, Firewall Cisco ASA and Fortigate, Switches Cisco 6500/4500, Brocade and Alcatel, WLC Alcatel (OEM Aruba), routing with OSPF and BGP, VPN, and DX connections to AWS Cloud. Development of Nagios' plugins using Perl and Python to monitor Network and other IT assets.
Senior Network Support Analyst
Mercantil of Brazil Bank
May 2002 - September 2014
- Design, implementation and support of LAN, WAN and WLAN infrastructure in critical environments, with a strong focus on performance, redundancy and high availability. Implementation of network security policies, administration and support on Check Point FW-1 NG/NGX and Internet web filtering (WebSense). Implementation of voice-over IP (SIP) on Asterisk platform and integration with Cisco Call Manager. Expertise in analysis and troubleshooting of various network protocols with Ethereal/Wireshark. Support for Linux and network services, Apache web server, Vsftpd, DNS, DHCP, Proxy SQUID, Cacti, and Nagios. Implementation of Perl scripts/plugins for monitoring infrastructure and IT services. Support of routers and switches, from Nortel, Avaya, and Cisco, including routing protocols OSPF and BGP, X.25 connections, IGMP and PIM Multicast for B3 UDMF Market Data.
Network Support Analyst
Localiza Rent a Car
September 1996 - May 2002
- Design, implementation and support of integrated data and voice networks running IP and IPX protocols over leased lines, X.25, frame-relay and cell-relay technologies, RIPv2 and OSPF routing. Configuration and monitoring of different routers and switches, like Cisco, Wellfleet and Bay Networks. Administration of Internet infrastructure, VPN connections, the definition of security rules, support Check Point Firewall-1 on Solaris platform. Support for Linux and network services like DNS, DHCP, Proxy, SMTP/Sendmail, Apache, and SNMP, deep analysis of network protocols and traffic with DominoLAN and DominoWAN. Contracting and management of telecommunications companies' services.
Education
Udemy
Federal University of Minas Gerais
Associate's Degree
