Profilbild von Panagiotis Grivas Effizienter und flinker Cloud Engineer / DevOps / Big Data Engineer aus Wien

Panagiotis Grivas

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Letztes Update: 13.08.2023

Effizienter und flinker Cloud Engineer / DevOps / Big Data Engineer

Abschluss: MSc in Wirtschaftsinformatik
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (Muttersprache) | griechisch (Muttersprache)

Dateianlagen

CV-EN_090823.pdf
Coverletter-EN_090823.pdf
Certificates-References-2023_090823.pdf

Skills

Microsoft Azure
Automation
Resource planning
People enablement
HardSoft Allocation Management
Linux System Administration
Big Data
Systems Engineering
Project Management
PMP
ITIL
COBIT
BPM
Process Management
Enterprise Resource Planning (ERP)
System Administration
Linux
Windows Server
VMware
Microsoft Office
SAP ERP
Bash
Content Management Systems (CMS)
VMware vSphere
MySQL
Apache Ambari
Docker 
CentOS
Unix
Databases
Servers
Active Directory
Tomcat
Apache
Training
Customer Service
DevOps
IT Infrastructure Management
OTRS
Apache Spark
Hive
Yarn
Distributed File System (DFS)
Kubernetes
Ansible
Rundeck

Projekthistorie

01/2020 - bis jetzt
Cloud Engineer / Data engineer
Uniqa IT Services (Versicherungen, 5000-10.000 Mitarbeiter)

- Leading Solution team of Big Data Operations engineers, people enablement, resource planning. - Conception, planning, development, implementation and management assistance for internal projects (Jira & Confluence)
- Co-development of bash scripts for configuration management & distribution, user management & automation in the area of RHEL
- Management of monitoring (ICINGA) & automation initiatives (Ansible) 
- Analysis, troubleshooting, monitoring, networking & alarm management of big data clusters, hardware and operating system (RHEL) 
- Co-Development & support of big data developers and business analysts in the implementation of big data use cases, Hadoop applications and ETL pipelines
- Support in change management and project management activities ( ServiceNow & Atlassian )
- Administration & user support of the CDH clusters, Talend Administration Center instances, phpLDAPAdmin, IAM GUI, Git & JFrog
- QA & Expansion of Big Data Wikis & Documentation (Confluence)

03/2019 - 12/2019
Senior Big data engineer
Itsdone Services GmbH (Sonstiges, 50-250 Mitarbeiter)

- Installation & operation in the area: - VSphere & Azure (SLES 12 & 15 VMs) - Big Data (HDP & HDF) - Private cloud management (OpenNebula) - Configuration & patch management through Suse Manager for SAP systems on SLES
-Conception, planning, development, implementation and management assistance for internal projects & consulting activities - Development of scripts for configuration management, administration, monitoring & automation in the area of SLES, Suse Manager & Ansible - Daily Big Data & Unix engineering operations using - Microsoft Teams & OTRS Tickets - QA & expansion of big data wikis & documentation - (Confluence) ITSDONE Services GmbH, Vienna, Austri

01/2018 - 02/2019
Big Data DevOps Engineer
Drei Hutchinson Austria GmbH, Vienna, Austria (Telekommunikation, 1000-5000 Mitarbeiter)

  • Planning & operation of the Hadoop Platform (HDP 2.5) & its support systems on production & sandbox environments
  • Collaboration in & implementation of big data sandbox & production clusters’ upgrades in datacenter infrastructure & HDP
  • Standard Unix engineering business operations (Jira & BMC Remedy)
  • Analysis, troubleshooting, monitoring & alert management of big data cluster servers & HDP components (Ambari, MR2, HDFS, Hive, Spark, HBase, Kafka, Yarn, Ranger, Knox, Kerberos etc.), hardware & OS (Oracle Linux 7)
  • Supporting data scientists & developers (DevOps) on implementation of big data use cases (Scrum & Kanban)
  • Resource management & performance optimization (Smartsense)
  •    QA & expansion of the big data wikis & documentation (Confluence - Sharepoint)

01/2014 - 12/2017
DevOps - Systems Engineer
SVD Büromanagement GmbH, Vienna, Austria (Versicherungen, 1000-5000 Mitarbeiter)

  • 1st, 2nd & 3rd level support (OTRS)
  • Installation, administration & troubleshooting of Apache & JBoss applications in SLES, vSphere, ESXi
  • Conception, planning, deployment, and managerial assistance in internal projects
  • Development of scripts for managing, monitoring & automating of JBoss & Apache installations
  • Development, versioning and Management of internal project & process documentation
  • Employee training

10/2012 - 12/2014
IT-Security Support Technician
CYAN Networks GmbH, Vienna, Austria (Internet und Informationstechnologie, 50-250 Mitarbeiter)

  • 1st, 2nd & 3rd level support (OTRS) & remote support over Citrix GoToMeeting & Teamviewer
  • Installation, administration & troubleshooting in
    • Security software & hardware (proxy and IPS)
    • vSphere, ESXi
    • Windows Server 2003, 2008, 2012
    • Active Directory
    • Databases
  • Employee training

Reisebereitschaft

Verfügbar in den Ländern Deutschland, Österreich, Schweiz, Großbritannien und USA
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Profilbild von Panagiotis Grivas Effizienter und flinker Cloud Engineer / DevOps / Big Data Engineer aus Wien Effizienter und flinker Cloud Engineer / DevOps / Big Data Engineer
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