Diego Lima Email & Phone Number

Shannon, County Clare, Ireland

Led critical issue resolution for key customers on Arista's CloudVision Portal and Ansible modules, ensuring swift solutions. Developed tools to improve the support team's efficiency in problem-solving. The CloudVision Portal is a complex platform that includes Kubernetes, HBase, Kafka, Nginx, Zookeeper, Hadoop, ElasticSearch, and Docker/Containerd.𝐊𝐞𝐲 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐢𝐞𝐬:● Addressed critical issues for key customers on Arista's CloudVision Portal platform and Ansible modules, ensuring prompt resolution.● Developed practical tools in python and shellscript to expedite issue resolution, empowering non-expert team members.● Developed Terraform modules for automated deployment on AWS, Google Cloud Platform, and Microsoft Azure, streamlining testing environments for the CloudVision Platform.● Facilitated the onboarding process for new team members.● Assisted team members encountering unfamiliar challenges, contributing to collective problem-solving efforts.● Designed tools using Gitlab pipelines for packaging and installing software on Arista's EOS devices, optimizing deployment processes.● Played a key role in enhancing existing documentation for the CloudVision Platform.● Contributed to the creation of documentation for new features within the CloudVision Platform.● Collaborated on establishing Continuous Integration pipelines on GitLab for building, testing, and deploying CloudVision Platform tools and scripts.

São Paulo Area, Brazil

I was responsible for recognizing and leveraging technical opportunities, coming up with proof-of-concept solutions, and understanding customer needs to improve the company's service delivery.𝐊𝐞𝐲 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐢𝐞𝐬:● Conducted market research to explore and evaluate new technologies for the development of products and services.● Engaged with customers to provide tailored solutions and stay competitive.● Led the implementation of cloud services, including AWS, Google Cloud, and Microsoft Azure, for scalable and efficient solutions.● Developed proof-of-concept implementations to validate the feasibility and effectiveness of new solutions, establishing reference architectures for future offerings.● Oversaw the implementation of solutions for strategic customers, ensuring successful deployment and integration with existing systems.● Designed and implemented custom solutions using cloud technologies such as Terraform, Jenkins, Git, Docker, Kubernetes, and Istio.● Utilized tools like Terraform, Jenkins, Gitlab, Github, Docker, Kubernetes, Openstack, Cloud Custodian, and Puppet to automate and optimize infrastructure management and deployment processes.● Documented all implemented solutions, ensuring consistency in future deployments.

São Paulo E Região, Brasil

I led the Virtualization and Cloud team, overseeing the planning, setup, and maintenance of a OpenStack-based private cloud for Brazil's largest e-commerce company. 𝐊𝐞𝐲 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐢𝐞𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐝:● Leading the implementation of a private cloud infrastructure based on OpenStack, ensuring scalability, resilience, and flexibility while meeting performance and security requirements.● Creating and executing cloud usage strategies, optimizing resource allocation, and maximizing efficiency.● Managing and fine-tuning critical services, such as Openvswitch, HAProxy, Apache web servers, memcache, and Zabbix monitoring.● Collaborating with cross-functional teams to design and implement solutions aligned with business objectives and technical requirements.● Conducting regular performance monitoring and tuning and optimizing system performance.● Maintaining documentation of infrastructure configurations and procedures.● Following the latest advancements in virtualization and cloud technologies to drive innovation and efficiency.● Ensuring the security and integrity of the infrastructure by implementing best practices and adhering to industry standards.

São Paulo E Região, Brasil

I led Infrastructure, Middleware, and Support teams, ensuring project completion while meeting quality standards. My responsibilities included resource allocation, team performance optimization, and the implementation of processes to enhance project deliveries.𝐊𝐞𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐝:● Managing teams with different proficiencies to meet quality standards.● Allocating and optimizing resources based on technical demands, resulting in increased productivity.● Implementing streamlined processes, leading to a 20% reduction in project turnaround time.● Facilitating communication and collaboration between team members.● Implementing performance metrics and tracking systems for monitoring and identification of improvement areas.● Maintaining documentation used by the teams.● Participating in team and customer meetings, providing ideas and recommendations for different projects.● Making sure all processes and projects were properly documented.

São Paulo E Região, Brasil

I held the responsibility of comprehending customer needs and crafting solutions to address them. Additionally, I served as an instructor and created instructional material for various training courses.𝐊𝐞𝐲 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐢𝐞𝐬:● Created and implemented numerous solutions for critical services in complex environments.● Was responsible for troubleshooting existing problems and enhancing critical systems.● Authored instructional materials for Samba, OpenLDAP, Shell Scripting, and High Availability training courses.● Acted as an instructor for Open-Source related solutions.

São Paulo E Região, Brasil

I worked as a system administrator at Secretaria da Fazenda do Estado de São Paulo, managing critical production environments.𝐊𝐞𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬:● Managed critical production environments at Secretaria da Fazenda do Estado de São Paulo, including Java-based systems used for filing taxes and high-volume portals served by Apache Tomcat and Nginx servers.● Updated diverse services to allow using KVM to optimize operational efficiency.● Helped implementing, monitoring and troubleshooting the KVM environment.● Collaborated with the development team to enhance Apache Tomcat-based application servers.● Focused on identifying and resolving known issues to improve overall system performance.

São Paulo E Região, Brasil

I supported Sun Microsystems' Learning Management Systems (LMS's) on Solaris and Linux platforms. My focus included publishing content, troubleshooting system issues, and driving process improvements.𝐊𝐞𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬:● Supported and maintained Sun Microsystems' Learning Management Systems (LMS's) on Solaris and Linux platforms.● Published content to LMS platforms, ensuring timely and accurate delivery of learning materials.● Troubleshot and resolved system issues, minimizing downtime for uninterrupted LMS access.Improved and automated team processes for managing systems, enhancing overall efficiency and productivity.● Collaborated with geographically-diverse teams to enhance and upgrade systems, keeping LMS platforms up-to-date.

Santos, São Paulo.

I supported Unix systems, fixed mail server issues, and worked on various tech projects. Collaborated with regional companies for support. Troubleshot problems, aimed for cost-effective solutions with open-source tech, and kept project documentation clear.𝐊𝐞𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬:● Provided Unix support, focusing on mail server issues.● Led tech projects using both open-source and proprietary solutions.● Collaborated with regional companies for tailored support.● Troubleshot problems, ensuring client satisfaction.● Worked on cost-effective solutions using open-source tech.● Maintained clear project documentation.

Santos, São Paulo.

I configured Linux servers to replace Windows Active Directory Servers and NT controllers, in order to reduce operating costs. For this, I collaborated with the development team to create management tools for the new environment. I also supported severfal other Linux servers, from iptables-based firewalls to MySQL database servers.𝐊𝐞𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬:● Configured Linux Samba servers, replacing Windows Active Directory Servers and NT controllers for improved performance and security.● Collaborated with the development team to streamline administrative tasks by creating efficient management tools.● Administered Linux servers, ensuring smooth and uninterrupted network operations.● Implemented best practices for server configuration and security, minimizing vulnerabilities.● Actively participated in troubleshooting and resolving technical issues, minimizing downtime and optimizing system performance.

Santos, São Paulo.

Researched and created a reference design document for the migration of Windows NT and 2000-based domains to Free Open Source alternatives, ensuring seamless functionality and a smooth transition. 𝐊𝐞𝐲 𝐚𝐜𝐭𝐢𝐯𝐢𝐭𝐢𝐞𝐬:● Conducted extensive research on migrating Windows NT and 2000-based domains to Free Open Source alternatives.● Created detailed technical documents outlining step-by-step migration processes.● Collaborated with cross-functional teams to ensure successful implementation, minimizing downtime.

Santos, São Paulo.

Implemented cost-effective technical solutions specializing in CCTV, Thin Clients, and External Media. Introduced Free Open Source Software solutions for cost savings and flexibility.𝐊𝐞𝐲 𝐚𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬:● Conducted research and analysis to identify and implement cost-effective technical solutions for Inttegra Sistemas Eletroeletrônicos, focusing on CCTV, Thin Clients (Dumb Terminals), and External Media displaying.● Documented and implemented Free Open Source Software solutions, resulting in cost savings and improved flexibility for the company.● Collaborated with cross-functional teams to ensure the seamless integration of new technical solutions, meeting the company's needs and enhancing operational efficiency.● Maintained and updated technical documentation for easy maintenance and troubleshooting.● Demonstrated a strong understanding of technical requirements and combined low cost and easy maintenance in the implemented solutions.● Adhered to project timelines and deliverables, ensuring timely completion of tasks and successful implementation of technical solutions.

Technologist, Data Processing

Ba, Aeronautical Sciences