Bent-Ove G. - Linux Administrator

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Itzehoe, Germany

Experience

Apr 2025 - Jul 2025

4 months

System Integrator KMS

Soorce Professionals GmbH

Installation and maintenance of communication systems on marine vessels
Advanced security checks
Building cluster environments using VMWare ESX Server, DataCore, Dell hardware

Sep 2024 - Jan 2025

5 months

Training to become a certified Linux Engineer (LPIC-1 and LPIC-2)

alfatraining GmbH

LPIC-1 certificate as Linux system administrator 2024: architecture, installation, setup and maintenance, common GNU and Linux commands, access rights and system security, user management, backup and recovery, shutdown and restart
Advanced Linux system administration: system boot, kernel, maintenance, block storage and file systems, advanced network and authentication features, system security, firewalls, VPN, installation and configuration of basic network services and file storage, automation and scripting
LPIC-2 certificate as Linux engineer 2025: capacity planning, Linux kernel, system boot, file system and devices, advanced storage management, network configuration, system maintenance, domain name server, HTTP services, shared file access, managing network clients, email services, system security

Feb 2024 - Jul 2024

6 months

ITMO Manager

Akra GmbH

Overhaul of the Atlassian Confluence environment
Application support for the CAPSTAN application
Service provider management
Onboarding a new Marine Operations team in Gdańsk, Poland
Stowage processes
Tech: Atlassian Confluence, Windows Server 2019, CAPSTAN application, EDIFACT, BAPLIE, COPRAR

Aug 2023 - Feb 2024

7 months

IT Manager

ecovium Holding GmbH

Technical and specialized support for the Norderstedt site
Supporting users with technical questions
Onboarding and offboarding processes
Hardware ordering
Managing service providers
Certificate management
Project lead for the working group "Ticket system 1.0 - Jira Service Management"
Tech: Windows 10, Windows 11, Windows Server 2012 – 2019, Active Directory, GPOs, DNS, user management, Atlassian JIRA Service Management

Apr 2022 - Oct 2022

7 months

System Engineer

INFODAS GmbH

Planning, installation and configuration of IT infrastructures and networks in marine environments
Advising on the development of software used in vehicles and cabins
Supporting acceptance testing of customer-specific IT environments in mobile communication solutions using in-house software
Consulting on the use of hardware and software
Tech: SDOT servers, genugate firewall systems, Linux, network systems on marine vessels, network systems on military vehicles, SÜ2 security check

Apr 2021 - Dec 2021

9 months

Application Support Specialist

Dataport AöR

Monitoring RSODB/Edge servers
Coordination of internal and external service providers
Assisting with the creation of operational documentation
Technology: Citrix, SUSE SLES, Windows Server 2008 to 2016, BMC Remedy, SÜ1 security check

Jun 2019 - Aug 2020

1 year 3 months

IT Consultant at Laatzen

Aventics GmbH

Local desktop site support
Collaboration with international sites
Technical contact for departments
Migration from Windows 7 to Windows 10
Technology: Windows 7, Windows 10, Dell hardware, Windows Server 2008 to 2016, Active Directory, Cisco Jabber, ServiceNow, Ivanti software distribution

Sep 2018 - Mar 2019

7 months

Consultant for an Icinga Migration

BTC Business Technology Consulting AG

Setting up and customizing monitoring checks for internal and external customers on Linux and Windows operating systems
Editing configuration files
Handling incident reports in the ticket system
Reviewing and adjusting check scripts using BASH and Python
Configuring monitoring and alerting classes in Icinga Director
Technology: Red Hat Linux, Solaris, Windows Server 2008 to 2012, GIT, Icinga, Icinga 2, Icinga Director, Omnitracker ticket system, vim, Atlassian Confluence, CMDB

May 2017 - Jun 2018

1 year 2 months

Support in the SPOC of the Operations Department

Otto GmbH & Co. KG

Handling incidents and service requests from development teams
Linux server administration
Setting up users and accounts in AWS, virtual servers
Monitoring the Otto online shop
Initiating emergency processes
Tool-based provisioning of servers
Configuring JSON and YAML configuration files
Technology: Red Hat Linux, Atlassian JIRA, Atlassian Confluence, ticket systems TXP and JIRA, Amazon Web Services, Puppet, EPE, MongoDB, GIT & GitLab, Jenkins, Docker, Mesos, VMWare vCenter, Graphoo, Graphite, Grafana, Icinga, LDAP, Cloud, Agile methods, SCRUM, Kanban

Sep 2016 - Feb 2017

6 months

1st-Level Support

BIT-Ehlers

Establishing 1st-Level Support
Day-to-day 1st-Level Support operations
Monitoring and maintaining customer environments
Documentation
Technology: Autotask Endpoint Management, Veeam, Windows 7, Windows Server 2003 to 2012

Feb 2016 - Jul 2016

6 months

2nd-level support GLOBE

Hamburg Süd KG

Application support and 2nd-level support
Monitoring interfaces and message queues
Business analysis of the involved processes
International rollout support
Technology: EDIFACT, GLOBE application, Omnitracker ticket system, HP ALM, ClearQuest, TIBCO

Apr 2015 - Oct 2015

7 months

2nd-level support myOVB

NordSoft EDV Unternehmensberatungs GmbH

Incident handling and analysis
Documentation
Data analysis
User management
Technology: myOVB, Windows Server 2008, OTRS ticket system, Active Directory

Feb 2013 - Feb 2015

2 years 1 month

2nd-level support NOA

Otto GmbH & Co. KG

Incident handling and analysis
Problem management
Service requests and ticket dispatching
Monitoring
Technology: Cherwell ticket system, SUSE SLES, BMC monitoring tools, Oracle databases

Sep 2012 - Sep 2012

1 month

Permissions administration support

Wüstenrot & Württembergische AG

Analysis of various data sources and correlation using MS Access
Data cleansing
Technology: MS Access 2010, MS Excel 2010

Jun 2011 - Jun 2012

1 year 1 month

Administration, coordination, and 2nd-level support for Autista 9.5 and ePersonenstand (ePR)

Dataport AöR

Interface between the ePR and Autista systems
Data migration from Autista 8.3 to 9.5
Schedule monitoring, coordination, and execution for registry offices in northern Germany
Technology: Windows Server 2003 R2, Windows Server 2008, Citrix XenApp, MS Terminal Server, Active Directory, Java, JBoss, SUSE Enterprise Linux, Oracle WebLogic

Jun 2010 - Oct 2010

5 months

Database development EVA

Detlef Hegemann GmbH

Design and creation of a database to manage construction and spare parts
Technology: MS Access 2003, VBA

Jun 2010 - Jul 2010

2 months

Migration from Windows Server 2003 to Windows Server 2008 R2

ISP Ingenieurgesellschaft Siebert Projektmanagement mbH

Migration of a central domain and file server from Windows Server 2003 to Windows Server 2008 R2
Permission management
Consulting, planning, and execution

Apr 2010 - Jul 2010

4 months

Network setup

Sonnenjoker Einzelunternehmung

Requirement gathering in a small company
Hardware purchasing
Implementation of network structure, data backup, and permissions
Configuration of network services
Technology: standard PC and server hardware, Windows 7 clients, NAS

Apr 2010 - May 2010

2 months

Project support Identity Lifecycle Management

Vattenfall Europe GmbH

Support in the database area
Ticket handling for 2nd level support
Support for migration of Active Directory environments
Adjustment of permissions and accesses
Technology: MS SQL Server 2005, Active Directory, MS Identity Lifecycle Manager 2007, VBS, Omada, Remedy

Mar 2010 - Jul 2010

5 months

IT consulting and network setup

MALO GmbH

Requirement gathering and consulting for hardware purchases
Creation of process-oriented workflows
Data migration
Technology: standard PC client hardware, NAS, Microsoft operating systems

Jan 2010 - Mar 2010

3 months

Implementation of data backup and IT consulting

BUG Einzelunternehmung

Requirements gathering and consulting on hardware procurement
Hardware and software installation
Creation of process-oriented workflows
Setup and configuration, implementation of a backup solution
Technologies: standard PC client hardware, NAS, Microsoft operating systems, MS Office, industry-specific software

Apr 2009 - Jun 2012

3 years 3 months

Database development HERA

Detlef Hegemann GmbH

Design and development of a database for managing ship certificates
Technologies: MS Access 2003, VBA

Apr 2009 - Jun 2012

3 years 3 months

Database development ZEUS

Detlef Hegemann GmbH

Design and development of a database for managing personnel data
Technologies: MS Access 2003, VBA

Nov 2008 - Jul 2009

9 months

Complaint Tool / Inventory Management

KAEFER Industrie GmbH

Business analysis process for inventory management
Development of a database structure
Implementation of required features
Technologies: MS Access 2003, VBA

Oct 2008 - Dec 2009

1 year 3 months

Consulting for quality and process management

KAEFER Industrie GmbH

Business analysis process for inventory management
Requirements Engineering
Implementation in IT-based solution
Technologies: MS Access 2003, MS Excel 2003, VBA

Jan 2006 - Sep 2008

2 years 9 months

Consultant in Customer Solutions

Info AG

Feb 2004 - Dec 2005

1 year 11 months

Assortment Management Assistant

Tchibo direct GmbH

Jun 2003 - Jan 2004

8 months

Temporary worker for Tchibo direct GmbH

Kelly-Services GmbH

Summary

more than 16 years of experience as an IT freelancer in various project environments
more than 10 years working with Microsoft client and server environments
more than 7 years of experience with Linux environments
Linux system administration and engineering
extensive hands-on experience in application support with Linux and Microsoft OS
1st and 2nd level support according to ITIL
system and network administration
communication and documentation
project management and support
skilled in various ticket systems
IT support
IT consulting
IT advice
customer contact