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Top 5%
Adrian-Sebastian D.

Devops Engineer

Outsourcing
9 years
Bucharest, ROMANIA
Ansible Python Docker Linux
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Why I'm Top 5%

  • Superior technical skills
  • English language proficiency
  • 9 years of industry experience
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My experience

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Leading Sportswear ManufacturerOctober 2021 - Present

Devops Engineer.
  • Managing 2 Kubernetes namespaces across 3 environments (development, staging, production). This includes creating manifests (deployments/statefulsets, services, ingresses, configmaps, secrets, HPAs).
  • Troubleshooting faulty deployments.
  • Ensuring CI/CD pipelines (via Jenkins) are operational.
  • Automation - creating and maintaining AWS resources (via Terraform) – all AWS resources (which include RDS clusters, ES, EC2, ElastiCache instances (Redis), S3 buckets, SQS and so on).
  • Supporting application releases.

SKILLS
Kubernetes, CI/CD, Jenkins, AWS (RDS, ES, EC2, ElastiCache, S3, SQS), Redis, Terraform
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EntainAugust 2018 - September 2021

DevOps Engineer for an international sports betting and gambling company. 
  • Setting-up, optimizing and fine-tuning applications and application environments.
  • Supporting given applications throughout the whole Software Development Life-Cycle (SDLC).
  • Automatizing software provisioning, configuration management, and application deployment.
  • Solution Architecture.
  • Capacity planning, regular reviews of traffic loads and application logs and metrics.
  • Exploring and evaluating new technologies and solutions to proactively solve potential problems.
  • Creating POCs to check the feasibility for our use-cases.

SKILLS
Linux, Ansible, Python, Docker, AWX, Nginx, Cassandra, MongoDB, Redis, Neo4j, Kafka, Tibco, Jetty, JBoss, F5, AppDynamics, Elasticsearch, Kibana, Logstash, Beats, CentOS 7, HyperV
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UXP SystemsJuly 2017 - August 2018

DevOps Engineer within a leader and pioneer in User Lifecycle Management (ULM). 

- Managing the ULM solution developed by UXP Systems, a Java Enterprise application for Identity Management.
  • Deploying on a number of production/non-production environments automating the deployment process and other operational tasks.
  • Documenting all the steps and processes and sharing the documentation with the client.
  • Configurationtweaking.
  • Supporting the production environment.
  • Training clients' OPS teams.
  • Managing integrations with 3rd party systems from different providers: Horizon Go, Sky Sports/Movies, etc.

SKILLS
Ansible, Git, Bitbucket, Nexus, Jenkins, Tomcat, Nginx, RabbitMQ, IBM LDAP, Oracle DB, Hazelcast, Rest APIs, ELK, Kibana, Elasticsearch, Logstash, filebeat, Java Melody, Zabbix
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OracleJanuary 2016 - July 2017

SOA Support Engineer for a cloud technology company that provides organizations around the world with computing infrastructure and software.
  • Provided customer and systems support of SOA suite (Mediator, BPEL, Human Workflow, Rules), SOA Fusion Apps, Oracle Service Bus and Oracle Enterprise Repository.
  • Troubleshot and analyzed databases, application servers (ORACLE Weblogic, IBM WebSphere, IIS, Apache, JBoss, Tomcat), Windows and Unix system administration (Solaris, AIX, Linux, HP-UX), and Java Application Programming Interfaces (API’s).
  • Interacted with customers, partners, and software developers to provide technical advice and assistance.
  • Worked with Sustaining Engineering in prioritizing and resolving issues of the highest technical and political severity.
  • Identified and documented product defects for Development Engineering and Sustaining Engineering.
ApacheAPIJAVASolaris Unix (HP UX AIX) WindowsIISWebSphereOracleBPELSOALinux
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IBMNovember 2013 - January 2016

Automation Engineer and Deployment Specialist within a multinational technology company.

I. Automation Engineer (November 2013 - January 2016)
  • Operating system administration, configuration, and patch management (Linux Redhat and Suse, AIX 6).
  • Middleware administration (WebSphere, DB2, BPM, other IBM supported software).
  • Maintaining and developing new features for a monitoring solution that collects data from the systems and data warehouses and sends notifications to interested parties. 
  • Technologies involved: Java, DB2, SQL, Lotus Domino/Formula Language, IBM Tivoli Monitoring, IBM Productivity Center, IBM Netcool Omnibus/Impact, IBM Tivoli Storage Productivity Center, IBM Policy Language, IBM Tivoli Network Monitor, IBM Desk Control.
  • Writing Java, Python, Bash programs, scripts to automate processes or daily tasks.

II. Deployment Specialist (August 2013 - October 2013).
  • Application Management for the European Union for about 70 J2EE applications based on Solaris, WebLogic and Oracle DB technologies.
  • Daily tasks included performing environment checks and configurations and creating installation plans, deploying applications, performing sanity checks and delivering installation reports.

SKILLS
Python, Bash, Java, DB2, SQL, Lotus Domino, BPM, WebSphere

My education and trainings

Erasmus in Computer Science - Kemi-Tornio University of Applied Sciences, Finland.2012 - 2012

Bachelor's Degree in Computer Science - American University of Bucharest. 2009 - 2012