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Ivan B. Senior DevOps Engineer

Ivan B.

  • Serbia
  • 100
  • Full-time (40 hrs/week)
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System/Devops engineer with experience with :

  • Containers: Docker, Kubernetes, Rancher, DockerSwarm.
  • Cloud : AWS, Azure, GoogleCloud
  • IaaS : Terraform, CloudFormation
  • Continuous integration & deploy pipelines (Jenkins,Gitlab-ci)
  • System administration : Linux (Centos,Ubuntu), Unix (FreeBSD) and Windows servers.
  • Network administration
  • Virtualization: VMware ESXi, KVM, Proxmox, Citrix

Skills and experiences

Skills and experiences

Senior Devops engineer at InterVenture

September 2019 - present

Terraform & Terraform Cloud
Projects: Packaging entire platform Akenza Core ( with Terraform for deployment from Azure Marketplace

Senior DevOps engineer at Akenza

September 2019 - present

Terraform & Terraform Cloud
Projects: Packaging entire platform Akenza Core ( Terraform for deployment from Azure Marketplace

Senior DevOps engineer at Libertex Group

May 2018 - September 2019

Designing and implementing CI/CD pipeline (build => deploy => test) for java spring applications
Terraform : IaaC
AWS (EC2, ECS, ECR, RDS, ELB, Cloudformation, Route53,SES,Lambda, Cloudfront, EKS)
AWS EKS - Kubernetes
ELK stack
Vault & Consul
Jenkins job configuration (JobDSL plugin)
Deployment and build scripts (gradle, Docker, bash, python, groovy)
Localstack - for testing terraform aws modules on local machine
Implementing poc project of service mesh on AWS ECS (Envoy, Istio)

  • Gitlab-ci
  • Servicemix
  • Activemq
  • Postgresql
  • MongoDB
  • Grafana
  • Kafka

DevOps engineer at Levi9 IT

May 2016 - April 2018

DevOps engineer on a development of IoT platform

  • Designing and setting up local, qa, uat and production environments
  • Designing HA setup for production environment
  • Designing and implementing CI/CD (build, deploy, tests ) pipeline with Jenkins
  • Setting up Docker, private Docker registry, Mongodb, Redis, private NPM registry (Sinopia/Verdaccio), Rancher/k8s/Docker Swarm (container orchestration) on all environments
  • Automating builds of Docker images and pushing them to private local docker registry
  • Automating application deployment and testing for all environments with bash/python scripts
  • Writing simple rest API in python (flask) that updates nginx configuration based on parameters provided in url
  • Automated git branching with bash scripts
  • Atlassian stack (Jira,Bitbucket,Confulence)
  • AWS
  • Puppet

System/DevOps engineer at Deploy Inc.

February 2016 - May 2016

Maintaining AWS (auto-scaling, cloud-formation) infrastructure for entire application development cycle (dev, qa, rc, uat, prod) with:

  • Jenkins in combination with Chef for continuous integration and continuous delivery
  • Git
  • Jira & Confluence

DevOps/Linux Administrator at Diwanee

February 2015 - January 2016

Pfsense routers (IPsec VPNs, PPTP)
VMware ESXi and KVM virtualization
Nagios and Cacti monitoring
Administration of Linux (CentOS 5/6/7, Ubuntu 12/14) dedicated servers hosted at OVH with publicly facing websites and local servers for development.
Servers include combinations of:

  • Percona XtraDB (solo and cluster)
  • Neo4j (solo and cluster )
  • Varnish
  • Apache
  • Nginx
  • Php-fpm
  • Corosync/Pacemaker clusters
  • Haproxy
  • NFS
  • Magento
  • ElasticSearch
  • apache Solr.

Projects : Setting up HA enviroments (staging & production) consisting of 3/4 node clusters.

System & Network Administrator at Fincore Group (Astria doo)

July 2014 - January 2015
  • Windows server 2012
  • Mail server administration (Kerio, Scalix, Zentyal)
  • VMware ESXi and Hyper-V virtualization
  • Asterisk administration
  • Cisco ASA
  • Internal vulnerability scanning with Nessus and OpenVas
  • Oracle Linux, FreeBSD, Kali
  • Installation and configuration of network monitoring software : Opsview (Nagios), PRTG
  • Thecus,Qnap, IBM storage

System engineer at AVcom d.o.o

June 2013 - July 2014
  • Administration of Linux servers : mail, DNS, ftp, hosting, network monitoring tools, IPtables, NFS, samba, backup solutions for physical and virtual servers (Veam)
  • Administration of HP blade servers and HP 3PAR storage
  • Supporting and troubleshooting DOCSIS, VoIP and Ethernet issues
  • Administrating Topex VoIP Softswitch and Trixbox anf AsteriskNow PBX 
  • Support for C-Panel Hosting service and registration of .RS domains
  • Maintaining server and VoIP documentation
  • Projects: Migration od current server infrastructure from physical servers to Vmware ESXi platform. This included migration of: 2 mail (Postfix), 3 DNS (Bind), FTP, 2 Cpanel, INCA NMS, Cacti and Opsview (Nagios), OTRS ticketing system servers.

Educations and Certifications

School of Electrical Engineering and Computer Science of Applied Studies -Bechlor of Science

2006 – 2010

Field of study: Electrionics and Telecomunications

MCTS : Configuring windows server 2008 network infrastrucuture

September 2012, no expiration date

Issuing authority:Microsoft


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