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Marko Oršolić

System Administrator

Stuttgart, Germany
Summary Experience Certifications Languages
Experience
Jul 2024 - May 2025
11 months
Offenbach, Germany

System Administrator

FITS

  • System administration of FreeBSD 11, 12 and 13.1 in a secure software cloud solution

  • Administration of proxy servers for FITS and its customers, banks and state banks

  • Administration of secure internet solutions

  • Administration of secure mail solutions and mail gateways

  • Administration of Apache 2.4 web servers

  • Planning and maintenance of servers and network components in FNT Command

  • Incident/change/ticket handling, especially troubleshooting network issues using Splunk and ARS

  • Fault finding and log analysis using Splunk Enterprise

  • Monitoring with Nagios

  • Ordering, provisioning and installing certificates on Apache and Nginx web servers and load balancers

  • Hardware:**

  • HP ProLiant DL380 Gen 9 and 10

  • Cisco Catalyst

  • Software:**

  • FreeBSD 11, 12 and 13.2

  • FNT Command

  • Shell scripts

  • MySQL databases

  • ARS

  • Splunk Enterprise 8.15

Sep 2023 - Jun 2024
10 months
Stuttgart, Germany

System Administrator

Komm One

  • Participation and moderation of weekly jour fix meetings

  • Planning performance and load tests using Apache JMeter for the Vote IT ballot software

  • Discussions on technical changes to the Wahlmanager platform to improve overall performance

  • Deployment/order of an Apache reverse proxy server as a load balancer

  • Creation of a Visio chart to show the overall architecture of Wahlmanager

  • Requesting changes from the vendor Vote IT

  • Planning the deployment of new software releases

  • Quality assurance

  • Administration of Apache web servers and Tomcat applications

  • Hardware:**

  • HP ProLiant DL380 Gen 10

  • Citrix Netscaler load balancer

  • Software:**

  • SUSE Linux Enterprise Server

  • Ansible

  • Shell scripts

  • Oracle 19C databases

  • Nagios monitoring software

  • Tomcat

  • Apache web server

  • Apache reverse proxy server

Mar 2022 - Aug 2023
1 year 6 months
Offenbach, Germany

System Administrator

FITS

  • System administration of FreeBSD 11, 12 and 13.1 in a secure software cloud solution

  • Planning and technical execution of a data center move within Nuremberg

  • Moving about 30 servers between Nuremberg data centers in the RZ Move project

  • Administration of proxy servers for FITS and its customers, banks and state banks

  • Administration of secure internet solutions

  • Administration of secure mail solutions and mail gateways

  • Administration of a DDoS solution in cooperation with Deutsche Telekom

  • Administration of Apache 2.4 web servers

  • Planning and maintenance of servers and network components in FNT Command

  • Incident/change/ticket handling, especially troubleshooting network issues using Splunk and ARS

  • Fault finding and log analysis using Splunk Enterprise

  • Monitoring with Nagios

  • Ordering, provisioning and installing certificates on Apache and Nginx web servers and load balancers

  • Hardware:**

  • HP ProLiant DL380 Gen 9 and 10

  • Cisco Catalyst

  • Software:**

  • FreeBSD 11, 12 and 13.1

  • FNT Command

  • Shell scripts

  • MySQL databases

  • ServiceNow

  • Splunk Enterprise 8.15

  • DDoS

Aug 2021 - Apr 2022
9 months
Erding, Germany

System Administrator

Amadeus Data Processing GmbH

  • System administration of RHEL 8.4

  • Handling Ansible playbooks for automation of installations

  • Installation of RHEL 8.5 servers for Oracle 19C disaster recovery

  • Administration of Amadeus applications

  • Incident/change/ticket handling

  • Patching of RHEL 8 servers

  • Administration of Veritas Cluster Servers and Veritas File System

  • Administration of Oracle Data Guard

  • Hardware:**

  • HP ProLiant DL380 Gen 10

  • Software:**

  • RHEL 8.4

  • Veritas InfoScale 7.3

  • Shell scripts

  • Ansible

  • Oracle 18C and 19C

  • Oracle Data Guard

Feb 2021 - Jul 2021
6 months
Fellbach, Germany

Application Administrator

Daimler AG

  • Application administration of a document management system based on Tomcat/Apache containers

  • Handling Unix shell scripts

  • Administration of applications for Daimler/Mercedes-Benz AG

  • Incident/change/ticket handling

  • Hardware:**

  • Oracle T7 Server

  • Software:**

  • Solaris 11.4

  • Shell scripts

  • LDOMs

  • Tomcat

  • Oracle SQL

Oct 2020 - Feb 2021
5 months
Cologne, Germany

Application Administrator

Bank für Sozialwirtschaft

  • Application administration of a finance application based on Tomcat/Apache

  • Handling Unix/Linux shell scripts

  • Administration of NetBackup 8.0/8.2

  • Incident/change/ticket handling

  • Hardware:**

  • Oracle Server T4, T7

  • IBM P-Series S922

  • Software:**

  • Solaris 11.3

  • AIX 5.1

  • Shell scripts

  • Solaris Cluster 4.2

  • Tomcat

  • NetBackup 8.2

Oct 2018 - Jul 2020
1 year 10 months
Fellbach, Germany

Oracle Solaris Administrator

FITS

  • Solaris administration

  • Provisioning Oracle Solaris servers for Dekabank

  • Handling Solaris shell scripts

  • Administration of Solaris 10, 11.3, Sun Cluster 4.2, Veritas Cluster Server 6.0, Solaris LDOMs, Solaris zones

  • Incident/change/ticket handling

  • Support in moving Solaris servers from Stuttgart to Fellbach for Landesbank Baden-Württemberg

  • Hardware:**

  • Oracle Server M3000/4000/5000, T5-2

  • Software:**

  • Solaris 10, 11.3 and 11.4

  • Shell scripts

  • Solaris Cluster 4.2

  • Veritas Cluster Server 6.0

  • Veritas File System 6.0

  • Veritas Volume Manager 6.0

Oct 2017 - Sep 2018
1 year
Frankfurt am Main, Germany

Oracle Solaris Administrator

Commerzbank

  • Handling service requests from the group mailbox

  • Provisioning Oracle Solaris servers for Oracle database servers

  • Handling Solaris shell scripts

  • Administration of Solaris 10 and 11.2

  • Incident/change/ticket handling

  • Support in moving Solaris servers from Stuttgart to Fellbach

  • Hardware:**

  • Oracle Server X5-8

  • Software:**

  • Solaris 11.3

  • OpenStack Cloud Solaris

  • Shell scripts

  • IBM Tivoli Monitoring

  • HPSM

  • CoCa

  • Coria

Jul 2017 - Sep 2017
3 months
Eschborn, Germany

Application Administrator

Techem AG

  • Dispatching requests from the group mailbox

  • Working with Assyst tickets following ITIL guidelines

  • Handling Linux shell scripts

  • Job control/scheduling with Easy Schedule 3.1 and Control-M

  • Starting/stopping applications

  • Troubleshooting, log analysis, 2nd level support

  • Monitoring jobs

  • Escalation to production owners

  • Controlling SAP print jobs

  • Managing a CD burning robot

  • Hardware:**

  • IBM P-Series

  • Software:**

  • Red Hat Enterprise Linux 7

  • Windows Server 2013

  • VMware ESX

  • Oracle SQL

  • J2EE

  • Shell scripts

  • Control-M

  • Nimsoft

Aug 2016 - Jun 2017
11 months
Berlin, Germany

Solaris Administrator

Berliner Sparkasse

  • Dispatching requests from the group mailbox

  • Working with SR Plus tickets following ITIL guidelines

  • Handling Solaris shell scripts

  • Connecting Sparkasse systems to FI authorization management

  • Starting/stopping applications

  • Troubleshooting, log analysis, 2nd level support

  • Monitoring production and test environments

  • Checking backup jobs in Legato Networker

  • Managing disks and disk groups in Veritas Volume Manager

  • Running Solaris zones in Veritas Cluster Server

  • Hardware:**

  • M5000

  • T5120

  • M4000

  • T3

  • Software:**

  • Oracle Solaris 10, 11.3 and 11.4

  • Solaris zones

  • ZFS

  • Veritas Cluster Server

  • Shell scripts

  • Tivoli Storage Manager

Feb 2016 - Apr 2016
3 months
Eschborn, Germany

Application Administrator

Techem AG

  • Dispatching requests from the group mailbox

  • Working with Assyst tickets following ITIL guidelines

  • Handling Linux shell scripts

  • Job control/scheduling with Easy Schedule 3.1 and Control-M

  • Starting/stopping applications

  • Troubleshooting, log analysis, 2nd level support

  • Monitoring jobs

  • Escalation to production owners

  • Controlling SAP print jobs

  • Managing a CD burning robot

  • Hardware:**

  • IBM P-Series

  • Software:**

  • Red Hat Enterprise Linux 7

  • Windows Server 2013

  • VMware ESX

  • Oracle SQL

  • J2EE

  • Shell scripts

  • Control-M

  • Nimsoft

Dec 2015 - Jan 2016
2 months
Düsseldorf, Germany

Storage Engineer

Huawei

  • Setup, installation and troubleshooting of Huawei midrange-series storage

  • Hardware:**

  • Huawei Storage V3 Series

  • Software:**

  • Huawei OceanStor Storage Manager

Mar 2015 - Oct 2015
8 months
Magdeburg, Germany

Application Administrator

T-Systems

  • Dispatching service requests from the group mailbox

  • Working with HPSM tickets following ITIL guidelines

  • Manual administration of CAS J2EE applications

  • Handling Solaris shell scripts

  • Starting/stopping applications and integrating them into the monitoring environment

  • Troubleshooting, log analysis, 2nd level support

  • Creating users in Active Directory

  • Managing groups and permissions on Microsoft RDP servers

  • Hardware:**

  • HP Blade Server

  • Software:**

  • Red Hat Linux 12

  • Windows Server 2013

  • VMware ESX

  • Oracle SQL

  • Compax AAX

  • CAS

  • Toll System Software Components

  • J2EE

  • Shell scripts

  • UC4 / Automic

Oct 2014 - Nov 2014
2 months
Eschborn, Germany

Service Operations Analyst Incident & Service Request

Deutsche Bank

  • Dispatching service requests from the group mailbox

  • Working with DB Symphony tickets following ITIL guidelines

  • Manual administration of the Coryx Private Port application

  • Handling Solaris shell scripts and SQL database access

  • Hardware:**

  • Oracle Server M4000

  • Software:**

  • Solaris 10

  • Oracle SQL

  • Coryx Private Port (formerly Reuters Portfolio Management)

  • Shell scripts

Jun 2013 - Mar 2014
10 months
Münster, Germany
On-site

Oracle-Onsite Engineer

Finanz Informatik GmbH

  • Operating a high-availability solution based on Symantec Veritas Foundation Suite 6.0 and Solaris zones

  • Installing Solaris 10 servers via JumpStart

  • Supporting a live upgrade of a Solaris 10 server environment with 160 servers

  • Incident management, troubleshooting, change management

  • Coordinating calls and creating detailed action plans for problem resolution

  • Support on onsite spare parts and introduction of Oracle tools

  • Documenting the Oracle environment and maintaining server components

  • Hardware:**

  • Oracle Server M3000 and M5000

  • Software:**

  • Solaris 10

  • Veritas HA Foundation Suite 6.0

  • Veritas Volume Manager 6

  • Solaris zones

  • Lotus Notes

  • FNT Command C6000

Feb 2013 - Jun 2013
5 months
Bad Vilbel, Germany

Application Manager

First Data

  • Monitoring, operating and troubleshooting a Unix server landscape of 300 servers

  • ITIL incident and change management

  • Deployment and release of Telecash applications with developer teams

  • Hardware:**

  • Oracle Sun Enterprise 420R

  • HP BladeCenter

  • Software:**

  • AIX 6.1

  • Solaris 8 and 10

  • OpenSUSE 10.2

  • Apache Tomcat 7.0.0

  • Xymon Hobbit 4.3.4

  • Ingenico Download Server 4.3

Sep 2011 - Jan 2013
1 year 5 months
Düsseldorf, Germany

Application Manager Huawei NGBSS

Atos Origin

  • 24/7 shift operation including on-call duty for E-Plus

  • Ensuring and monitoring productive applications and SLA-relevant processes

  • Checking availability, performance and capacity to maintain operations

  • Configuration of NGBSS and mediation for E-Plus system landscape

  • Incident and problem management

  • Monitoring root cause analysis

  • Testing NGBSS, mediation and partner billing (OAT, UAT, BAT)

  • Communication between support levels

  • Documenting error analysis and collaborating with development

  • Hardware:**

  • IBM P-Series Server

  • IBM DS8700 Storage

  • Software:**

  • AIX 7.1

  • Oracle 10 and 11

  • Apache Tomcat 2.0

  • Icare

  • CRM

  • ETL

  • BICP

  • Mediation

  • IBM HACMP 7.1

Summary

To join a company that offers me the chance to further develop my skills and expand my experience in Linux/Unix server environments.

Languages
German
Native
English
Advanced
Croatian
Advanced
French
Elementary
Certifications & licenses

Itil Foundation V2

Sun Solaris Certified System Admin For Solaris 8 & 10

Bov Certified Networking Specialist

Mcse Nt 4

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