Alexandru-Valeriu J.

Devops Engineer

Outsourcing
10 years
Bucharest, ROMANIA
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My experience

A Fintech of Innovative Cryptocurrencies, Digital Assets and Blockchain Technology ProductsAugust 2021 - Present

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Agile DevOps ConsultingMay 2018 - Present

Remote DevOps Engineer, Scrum Master and Agile Coach for my own company. 

The expertise is in two main areas which complement each other.

1. Scrum
- Professional Scrum Master II, PSM I, PSPO I, PSD I, PAL I.
- The certifications can be verified here: https://www.scrum.org/user/281849


2. DevOps:
- Infrastructure as Code: HashiCorp Terraform.
- Clouds: Red Hat OpenStack, AWS.
- Configuration Management: Ansible, Puppet.
- Pipeline as Code: Jenkins, Gitlab-CI.
- CI/CD: Git, Zanata, SonarQube, RobotFramework, Selenium, Appium, Selenium Grid.
- Containerization: Docker, Kubernetes, Red Hat Openshift, Cloud Foundry.
- Scripting: Bash, Python, Groovy.
- Log monitoring: Elasticsearch, Logstash, Kibana, Beats, Fluentd.
- Metrics monitoring: Prometheus, Alertmanager, Grafana, Carbon, InfluxDB.
- Supervision: Nagios, Sensu, Zabbix.
- Alerting: PagerDuty.
- Databases: Mysql, Oracle, MariaDB, MongoDB.
- Skills: HashiCorp Vault, Apache, Tomcat, Nginx, HA Proxy, Redis, RabbitMQ, Jira, Slack.
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AcretoDecember 2018 - July 2021

Remote DevOps Team Lead within a platform that connects and protects entire infrastructures from-the-cloud. 
  • Receiving business goals and negotiating their delivery for a cross-functional team of 5 people.
  • Building the high-level plan for the product roadmap and also helping the team build a low-level plan which gets updated on a daily basis.
  • Helping the team prepare an increment which gets demonstrated every two weeks in the product review meeting.

Remote DevOps Engineer (December 2018 - February 2019)
  • Autonomously handled the Infrastructure as Code (AWS and on-premises KVM) with Terraform and the configuration management with Puppet. This included multiple environments and 10+ modules written by me.
  • Built KVM images using Packer. 
  • Configured Bind9 (DNS) and Kea (DHCP), log monitoring with Elasticsearch/Kibana and metrics monitoring with Prometheus/Alertmanager/Grafana.
  • Dockerized the Golang applications using Alpine Linux and Docker multistage builds. I ran them into EKS (Kubernetes) and on EC2s.
  • Configured the EKS using Cloudformation and Terraform including AutoScalingGroups, Cluster Autoscaler, spot instances and Cloudwatch alarms.
  • Installed Gitlab and Gitlab Runners into EKS using Helm charts and configured pipelines for all the projects (10+) to build/deploy/test the code, including for Terraform, Packer and Puppet.
  • Used many other AWS technologies like IAM, S3, KMS, RDS, Cloudfront, Route53, ECR.
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NSF InternationtionalJanuary 2020 - March 2020

Remote DevOps Engineer foran independent organization that facilitates standards development, product certification, testing, auditing, education and risk management for public health and the environment.
  • Managed two Kubernetes clusters (staging/prod) using Rancher and AWS EKS.
  • Deployed and configured applications running on these clusters, including Elasticsearch, Grafana, Prometheus, FluentD, Kafka, Redis, Sentry.
  • I either used Helm charts, or wrote deployments, config maps etc. myself.
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Orange ServicesJune 2014 - April 2018

DevOps Engineer / Scrum Master / Agile Coach for a technology services company, a subsidiary of Orange Romania.

DevOps responsibilities:
  • Handled the infrastructure on OpenStack with Terraform and configuration management with Ansible.
  • Dockerized applications and created deployment pipelines in Gitlab.
  • Wrote deployment configs to deploy applications in Kubernetes and OpenShift.
  • Configured monitoring with Nagios/Sensu, Prometheus and ELK.

Scrum Master responsibilities:
  • Scrum Master for a collocated team of 7 people developing an internal product used by ~150 internal users. 

Agile Coach responsibilities:
  • Worked with ~50 people from multiple distributed teams to deliver a new infrastructure (IaaS, PaaS) and migrate/adapt/develop applications for Orange Money (more details here: https://orangemoney.orange.fr/).  
  • Worked with the project managers/product owners to synchronize work using traditional and Agile practices.
  • Facilitated teams formations, communication, collaboration, technical aspects and innovation.
Service Engineer (June 2014 - April 2016)
  • Provided L2/L3 support and technical expertise for a VAS e-recharge solution vastly used throughout Africa.
  • Did 24/7/365 operations, implemented supervision, extracted reports from logs and databases. 
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TelekomJune 2013 - June 2014

Platform Administration, Internet & Data Support Engineer within a new and dynamic telecommunication brand, offering complete, innovative, simplified and customized mobile and fix communication services for a vast customers’ community.
  • Configuration and maintenance tasks on Linux / Unix / Solaris / HP-UX systems and on MySQL/ Sybase databases.
  • Developed Bash scripts for reporting and network management systems. 
  • Raised and followed up CSRs to vendors when needed. 

SKILLS
Linux, Unix, Solaris, HP-UX systems, MySQL, Sybase
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British American TobaccoFebruary 2012 - June 2013

IT Helpdesk Officer within a British multinational company that manufactures and sells cigarettes, tobacco and other nicotine products.
  • Provided L1 support on-site and over the phone.
  • Windows migrations for users and installation/configuration of the applications and supporting the company's fleet of distributors.

My education and trainings

Bachelor's Degree in Cybernetics - University of Economic Studies, Bucharest.2009 - 2012