I am an expert Sysadmin/Devops/SRE Engineer (Unix/Networking - CCNA and CCNP Certified) with 5+ years of technical specialty in the provision of cloud Cluster solutions (Private, Public, Hybrid, Elastic, Scalable, HA, Reliable), DevOps Workflow mindset, SRE discipline (automatic and self-healing app), Agile methodology, CI/CD automated pipelines, Big Data, IaaS, PaaS, SaaS, IaC Solutions and Microservices/Serverless Functions for clients.
Offered expertise and guidance for on-premise and multi-cloud infrastructure builds involving containers with k8s Orchestrator for apps deployment (Microservices) and automating of workflows.
Engineered and developed business logics with the capacity to process 90 million (Kpdr/Day - CDRs) call data records per day On-Premise and on the Cloud for Ericsson.
Worked on the provisioning of the infrastructure to deploy apps for the processing of 60 TPS - transactions per second of throughput, and contributed to a better software delivery/deployments within the company.
Worked on the installation/maintenance of electronic equipment, offered expertise for network management, O.S administration and customer support.
Oversaw the installation of IP cabling Network infrastructures and worked on laptop hardware repairs.
Provided effective onsite and remote support and devised new ways to improve deployments on multiple computers in a parallel pre-Build O.S using the multicast network feature.
Engineering department at Polytechnic Institute of Leiria
Intern
2008 - 2008
Leiria, Portugal
Provided expertise for lab maintenance (Cisco Network/computers) and web development/maintenance on IPLeiria's website.
Managed tasks for the enhancement of the performance of IPLeiria's website using HTTP, JavaScript, CSS3 and PHP best practices for an optimum response.
Implemented a new server/client tool to update the client's hardware inventory automatically.
Provisioned the infrastructure with Terraform/CloudFormation, installed and configured CI/CD tools for developers to be able to deploy the containers automatically with Microservices using Ansible, Jenkin-X and Helm Charts. Used Git commands and GitHub repository customer accounts for the software versioning file control systems and multi-branch possibilities to the developer’s team. Implemented continuous monitoring and logging with Stackdrive for operations in the team. Used Nexus for the artefacts repository binaries, built packages and so on. The goal of the project was to use the pipeline workflows to build and deploy new software or updates with new features easily.
Developed the AKS infrastructure with Ansible, prepared the Azure Cloud environment for collecting, processing and distributing data using HDInsight Kafka connectors, Spark for handling/processing the traffic and distributing/storing in a horizontal scalable CassandraDB to visualize data in Zeppelin or Kibana dashboards. All of these services are deployed on a provisioned k8s cluster also running the Nginx Ingress Controller, Jenkins, Helm Charts, Sensu for monitoring, ELK stack for logging and data visualization. All used files (configurations/variables definitions and so on) are stored in a GitHub customer account.
Built the VPC with Terraform and provisioned a k8s cluster using Kops and Ansible and configured the security of the AWS cloud. After implementing the k8s cluster, worked on the Jenkins CI/CD pipeline workflow used to build the helm charts stored in a S3 bucket with microservices/containers, that includes scalable, reliable and self-healing apps modules that can be deployed fast and automatically (easy for the development team to launch new software and features with the rolling out of updates). New Relic, Prometheus and Grafana were used for continuous monitoring and Splunk was used for continuous logging to help the operations team.
Developed the infrastructure for two clusters (AWS and OpenStack) to deploy the O.S and Veritas cluster to install the multi mediation product using the online and offline (FE) modules. Worked on the Business logic development for collection from the input nodes on the data traffic to be processed/stored and analyzed by the customer (Altice).
Worked on the solution after the hardware was installed; provisioning the components for deployment and configurations until the cluster and Ericsson Multi Mediation were both working correctly. Developed and Built the business logic for the Ro interface.
Education
Red Hat Linux System Admin II
Source of Knowledge - Formação, Educação e Consult
2014 - Present (10 years)
CCNA Security - 640-554 IINS
Cisco
2014 - 2017 (3 years)
Cisco CCNA 200-120 Routing and Switching
Cisco
2014 - 2017 (3 years)
Energias
ACADEMIA APAMM
2013 - Present (11 years)
Erasmus (BSc. Undergraduate in Telecom and IT/Networking Engineering)
Polytechnika Warszawska
2013 - 2013
BSc. Telecom and IT/Networking Engineering
Polytechnic of Leira - School of Technology and Management
2010 - 2013 (3 years)
Technical Degree, Specialization in Network Management
Polytechnic of Leira - School of Technology and Management
2006 - 2008 (2 years)
Degree in IT Technician and Maintenance
Technical School and Professional of Ribatejo
2003 - 2006 (3 years)
Cisco CCNP - CCNP Switch: Implementing IP Switching