Dusan Cosic

 Dusan Cosic Date of birth:-. Address: Dimitrija Tucovica 154/6, 11000 Belgrade Mobile: - E-mail:-Skype: dule.cosic DevOps Technical Lead Profile Proven track record in the creation and maintenance of ALM (Application Lifecycle Management) and DevOps environments for both Waterfall and Agile based developments. For “cloud first” approach based project working as DevOps/Cloud Engineer. In favor of AWS for large projects, but have experience with Azure (TFS/VSTS on-prem resources mostly) and GCP for projects of modest resource scope (VM, Pub/Sub, Storage,...) for startups and Small/Middle companies. Provisioning with terraform workstation and cloud. For orchestration kubernetes and ArgoCD for GitOps. Experience in on-premise setup of services (www, mail, FileShare, Applications, …), middleware (AD, RDBMS), infrastructure (Windows, Unix, Linus (OS) / Cisco (network)) and OS virtualization (VmWare, KVM). One year experience as a game developer in C/C++. Working experience Date: July 2022 - present Title: CTO, Co-Founder at LHO Group and DevOps Professional (DevOps, Product Discovery, Digital Transformation) Company: LHO Group D.O.O Belgrade April 2023. - present I am working as Lead DevOps Engineer on project related to Sport Betting UK based company. Tools: Terraform AWS (EKS, MSK, S3, IAM, KMS, RDS, Aurora, Secrets Manager, Route53, CloudFront, Lambda, AWS VPN) Kong LinkerD ArgoCD CloudFlare SysDig Prometheus, Grafana Atlassian Cloud (Jire, Confluence, Bitbucket), JumpCloud July 2022. - April 2023. As a 3rd party contractor I work on DBT (Digital Business Transformation) project for the world's largest tire and rubber company. Tools: Azure DevOps Terraform AWS (Glue, Debezium, DMS, MSK, S3, IAM, KMS, RDS, Aurora, Redshift) MuleSoft AnyPoint Platform Date: February 2021 - June 2022 Title: DevOps Technical Lead Engineer Company: HTEC D.O.O. Belgrade February 2022. - June 2022. Work on AI/ML/DL project for L5 (fully autonomous) vehicle manufacturing company. As DevOps I am part of many projects that leverage HPC infrastructure on-prem and on AWS. Tools: Slurm Ansible Packer AWS ECS/ECR AWS HPC (AWS Batch, AWS ParallelCluster) November 2021. - January 2022. Working on an IoT project for a medical services company that provides software for Assisted Living communities. Tools: Messaging: RabbitMQ, Kafka, Google Pub/Sub MQTT: Mosquitto, HiveMQ DocumentDB: Mongo Infra: GCP July 2021. - October 2021. Working as 3rd party on DevOps project for a client that is leading producer of Semiconductor Materials Lithography printing and measurement machines. Project is related to migration from legacy (ClearCase and ClearQuest) environments to Agile based (GitHub) on cloud infrastructure that provisions over Terraform (Azure, GCP). February 2021. - July 2021. Working on an e-commerce project as part of the DevOps team. Project is Agile (Scrum) based on Jira/Confluence/Slack tools for collaboration. As part of DevOps team activities include development, implementations and maintenance based on below tools: IAC: Terraform Cloud Cloud: AWS, EKS, MSK (Kafka), SNS, SQS, SES, CM, IAM, S3, Cognito, RDS (MySQL, PostgreSQL(Aurora)), AWS ElasticCache (Redis), Route53, WAF, CloudFront, ElasticSearch, Pimcore DAM Service Mesh: Istio CI/CD: GitHub actions, ArgoCD Git: GitHub Monitoring: Fluentd, Prometeus, Grafana, Sumologic Tracing: Zipkin, Jaeger, Kiali Feature Flaging: Optimizely Date: October 2012 – January 2021. Title: DevOps Technical Lead Engineer Company: Avisto Eastern Europe d.o.o. Belgrade December 2020. - January 2021.. I was working on migration activities from legacy SDE (Rational tools based) to GitLab. As part of these activities we were creating Git/GitLab online tutorials as part of tools industrialization. Tools : GitLab, Active Presenter, January 2018. – November 2020. As part of Schneider-Electric I was involved on various projects that were inluding migration of projects that were using ClearCase (SCM), ClearQuest (CRM) and Jenkins (CI/CD) to Microsoft Azure DevOps (ex. Microsoft TFS/VSTS) using Azure Repos (SCM), Azure Boards (CRM) and Azure Pipelines (CI/CD). Production environment was on-prem Microsoft TFS and from 2019. Azure DevOps Servers, while test environments were provisioned over Terraform and Azure ARM. Tools : Azure DevOps, Terraform, Azure ARM, Jenkins, ClearCase (UCM), ClearQuest November 2015. – December 2017. As a part of Schneider-Electric IPO DevOps team (ex. ALM team) I was responsible for administrating DevOps Ecosystems based on legacy processes management IBM Rational RUP (Rational Unified Process model and tools supporting this like ClearCase, ClearQuest, RequisitePro...) as well as new DevOps (Agile Infrastructure) efforts based on Jenkins, GitHub (GitOps), Docker, Helm, Draft and Kubernetes. Tools : ClearCase (UCM), ClearQuest, RequisitePro, Jenkins, GitHub, Kubernetes, Helm October 2012-November 2015: MTS (ALM) team for Alcatel-Lucent (Nokia) WCDMA/LTE SDE support team: I was member of MTS (Methods and Tools Support) administrators in Alcatel-Lucent. In those days, my daily duties were solving tickets on ACOS (Alcatel-Lucent Community of Support) ticketing system on the following tool trackers: ClearCase (Base, UCM), Hudson/Jenkins, Internal ALU tools (Wisdom, CDIForm, Dolphins, Sacred, UTS, Crau). In addition to that I was also involved in general troubleshooting issues regarding basic service like naming services (NIS, Active Directory, LDAP), distributed file system services (Samba, NFS, DFS), mailing services sendmail / postfix and www service (apache). Date: May 2012 – September 2012 Title: Senior Linux System Administrator Company: Wireless Media d.o.o. Belgrade I was member of the team of Linux and windows administrators who were developing and maintaining www platforms. I was responsible for all L1 and L2 Linux servers administration. Daily tasks involved maintaining of web services (apache, tomcat, nginx), Linux loadbalancers, MySQL /MySQL cluster databases, mailing systems (sendmail, postfix, dovecot), SCCM (SVN, Eclipse, Visual Studio, XAMP), networking (LAN/WAN). Date: November 2002 – May 2012 Title: Senior System/Network Engineer Company: Velefarm A.D. Holding company I lead a team of system engineers who were responsible in installing and maintaining various operating system (Solaris, SCO UnixWare, Red Hat Enterprise Server, SUSE Enterprise server, Windows 2003 Standard/Enterprise Edition servers - File Servers, Print servers, Active Directory which run on IBM xSeries servers, HP Proliant servers and FAStT600 SAN storages). I was also responsible for network administration (LAN/WAN) of Cisco, Allied Telecyne and Planet switches, routers, print servers and terminal servers. Base maintenance of line and serial printers (TallyGenicom, Epson, Fujitcu) and laser printers (HP, Canon and Lexmark). Basic Oracle DB administration of finance applications that run on Oracle RAC (IBM x3650 series nodes and IBM FAStT600 SAN Storage). Web site and mailing system for velefarm.co.rs and sanitarija.co.rs developer. Date: October 2001 – October 2002 Title: Junior C/C++ Game Developer Company: Nemosoft D.O.O. Belgrade Reporting to the technical director in France, I was responsible for implementing specific game rules in C++ in the context of a generic car game engine, and development of this engine (menu interface system and scenario system). Games were Taxi 3 (for the movie), Cars’n girls and Trackdown. Date: December 1999- October 2001 Title: Junior System Engineer Company: Grmec A.D. Holding company Systems administration of Unix and Windows operating systems and WAN (x25) and LAN (BNC and Ethernet) network. I was in team of warehouse database developers as a support for maintaining production lines machinery. Database was in Access and all the technical drawings of production line machinery I draw in AutoCAD. Skills Cloud providers:AWS, Azure, GCP Host based virtualisation :VmWare (Workstation, Server, ESX), Xen, KVM. Container based virtualisation :chroot, vzlinux, OpenVZ, Solaris Zones, Docker Container orcherstration :Kubernetes (EKS, AKS), Mesosphere, Docker Swarm Service meshes :Istio Messaging :Kafka (AWS MSK), RabbitMQ, MQTT (IoT) messaging :HiveMQ, Mosquitto ETL :Spark (AWS Glue), Debezium, AWS DMS Provisioning :Ansible, Terraform, Configuration :Cfengine, Puppet, Chef Version control systems : CVS, SVN, ClearCase (Base, UCM) CI/CD :Jenkins, GitLab, GitHub Actions, Concoure, ArgoCD Issue tracking :ClearQuest, Jira, Azure Boards. Operating systems :Windows (workstations/servers), Linux (redhat, centos, lyncase, suse, debian/ubuntu), UNIX (Solaris, SCO Unix) Firewals :iptables, Microsoft ISA, Cisco IOS ACL/Vlans LoadBalancers :HA Proxy, nginx, envoy IDE:Microsoft Visual Studio, Eclipse, InteliJ, VSCode WWW:apache, tomcat, nginx Mail:sendmail, qmail, postfix,dovecot Programming skills :Visual Basic, VBA, C, C++, sh, ksh, bash, awk, Perl, PHP, Python RDBMS:Oracle, MySQL (MyISAM, Innodb, ndb (cluster)), MS SQL, Postgres CPU platforms:x86, x86_64, ia64, sparc Servers (Hardware):IBM xSeries, HP ProLiant series, Dell Rx/Tx servers, Fujitsu Primergy Rx/Tx Storages (Hardware):IBM, EMC Network:Cisco, AliedTelecyne, Planet, D-link, Perle, Moxa, tallygenicom CAD tools :AutoCAD Office tools:Miscrosoft Office (Excell, Access VBA advanced scripting), OpenOffice (Write, Draw, Calc - basic usage) Foreign languages:English – fluent Degree - – Master of Science on Faculty of Mechanical Engineering, University of Belgrade. Certificates AWS Certified Solutions Architect - Associate Agile Humans CI/CD with Azure DevOps certificate Cisco CCNP (Cisco Certified Network Professional) Cisco CCNA (|Cisco Certified Network Associate) Professional Training 2020 Agile Humans Continuous Delivery with Microsoft Azure DevOps 2017 PwC’s Academy Leadership and Team Development / Goal Settings Communication / Employee Motivation 2010 Cisco Network Academy CCNP CCNA 2003/2004 Oracle university courses Introduction to Oracle 9i: SQL Oracle database fundamentals I Oracle database fundamentals II 2001 Microsoft official courses (Comput school « CET » Belgrade) 723 Visual Basic 6.0 474 Access 2002 2001 Institute of nuclear science “Vinca” C++ programming language Visual C++ (MFC).