Holger L.

Independent specialist in PBX installation and communication technology

Velbert, Germany

Experience

Apr 2019 - Oct 2022
3 years 7 months
Lorem ipsum dolor sit amet

Compleo / Innogy

  • Consulting in the problem management process
  • Advising on the quality assurance process
  • Conducting problem reviews and tracking related actions and implementation
  • Identifying and documenting ongoing process improvements/optimization potentials
  • Handling tickets in e-mobility, charging stations and wall boxes
  • Identifying and creating solutions for various inquiries and malfunctions
  • Contracting external service providers to repair charging stations and wall boxes
  • Correcting POI data by finding exact locations of charging stations
  • Providing technical support to foreign technicians, mainly in English
  • Software used: ICON, Salesforce, eOperate
Nov 2015 - Present
10 years 2 months

Independent specialist in PBX installation and communication technology

  • Planning, maintenance and installation of PBX systems, ISDN, DSL, All-IP and SIP-Trunk connections
  • Administration, maintenance, troubleshooting and repair of PBX systems and extensions
  • Remote support / phone support
  • System and network administration
  • Rollout coordination and subproject management
  • User support
  • User training
  • Laser safety officer
  • Consultant for LED lighting

Used technologies:

  • PBX systems by Panasonic, Tiptel, Auerswald, Siemens, Agfeo and others
  • Windows client operating systems
  • VMware Workstation
  • TeamViewer, Remote Desktop
  • MS Office, OpenOffice
  • Synology NAS
  • HP Service Center, HP ALM, Remedy
  • Landesk ticket system
  • Software distribution via SCCM, Robocopy, etc.
Mar 2015 - Mar 2015
1 month
Lorem ipsum dolor sit amet

Dorma

  • Processing existing incidents and requests (categorization and prioritization) after changing the ticket system
Jul 2014 - Present
11 years 6 months

Trade, crafts and gastronomy

  • Energy consulting and sales of LED lamps
Mar 2013 - Jun 2014
1 year 4 months
Lorem ipsum dolor sit amet

RWE IT GmbH

  • Operational rollout planner for Windows 7
  • Deputy subproject manager
  • Windows 7 software clearing
  • Project-related monitoring of the ticket system (categorization and prioritization)
  • Central communication interface in the project
  • Coordination of the rollout process according to the customer forecast
  • Adapting the project’s rollout tool
  • Designing and maintaining the software and hardware matrix
  • Working with order management on new orders
  • Europe-wide rollout planning in English (e.g. UK, Spain, Poland)
  • Training and support for customers on the rollout tool
Jun 2012 - Jan 2013
8 months
Remote
Lorem ipsum dolor sit amet

AUMA Riester GmbH & Co. KG

  • Contact and remote support / phone support for international sites (English)
  • Assistance with 1st, 2nd and partly 3rd level PC support (Windows 7/XP)
  • Distributing data to international sites using Robocopy
  • Resolving issues with IT end devices
  • Lync client installation and configuration and user instruction on its functions
  • Office 2010 rollout
  • Software updates
  • Installation and configuration of telephone systems
  • Installing and configuring PCs, notebooks, workstations and printers
  • Inventory of end devices
  • Procurement and configuration of specialized software
Nov 2011 - Dec 2011
2 months
Lorem ipsum dolor sit amet

BFS Risk & Collection (Arvato)

  • System and network administration
  • Categorization and prioritization of incidents
  • Infrastructure support
  • 1st, 2nd, 3rd level support (Windows XP)
  • Server administration on Windows 2003
  • Hardware installation and maintenance
Aug 2011 - Nov 2011
4 months
Lorem ipsum dolor sit amet

RWE AG Essen

  • Project support in license management
  • Reviewing and researching current/required software versions, data sources, license types, gathering information and providing sources
Sep 2010 - Dec 2014
4 years 4 months
Lorem ipsum dolor sit amet

Innere Mission Neviges GmbH

  • Maintenance of the nurse call system and telephone systems in Heiligenhaus, Velbert and Velbert-Neviges
  • On-call duty for the nurse call system
  • Configuring and maintaining the light call and alarm server for communication with the telephone system for room and emergency calls
  • Configuring, installing and repairing electronic parts of the nurse call system
  • Configuring telephone systems:
  • Setting up or replacing mobile phones
  • Setting up call forwards
  • Configuring shared phone numbers
Jun 2010 - Aug 2011
1 year 3 months
Lorem ipsum dolor sit amet

Scriptus Laser Technologie GmbH

  • Supporting Windows 2003 Server
  • Managing and creating user accounts
  • Rights management
  • Access to server drives
  • Setting up network printers
  • Adding and removing client PCs
  • Installing server-based network software
  • Installing clients with Win7, Vista and XP
  • Installing MS Office
  • Installing additional software after license checks
  • Data recovery after virus or malware infection
  • Advising on network backups
  • Virus and malware prevention in the network
Apr 2010 - Aug 2011
1 year 5 months
Lorem ipsum dolor sit amet

Zimmlinghaus GmbH

  • Installing office PCs with Win7 and Vista
  • Installing and setting up the network printer (all-in-one device)
  • Setting up and configuring ERP and invoicing software
  • Installing Kärcher spare parts software
  • Installing MS Office
  • Installing internet routers with integrated telephone system
  • Installing additional software after license checks
Sep 2009 - Present
16 years 4 months

IT service provider

  • Installing and delivering hardware (PCs, notebooks, monitors, printers, etc.) to customers
  • Installing and setting up local and network printers
  • Software installation
  • Installing internet routers with integrated telephone system
Jun 2003 - Apr 2004
11 months
Lorem ipsum dolor sit amet

Johnson Controls Automotive Experience

  • Service engineer
  • Setting up, starting and monitoring unattended client installations with SCCM and PXE boot
  • Installing additional software after license checks
  • Delivering and installing hardware (PCs, notebooks, monitors, printers, etc.)
  • Performing IMACD tasks for IT devices and related work (e.g. network patching, desk cabling, etc.)
  • Co-responsible for providing IT services according to agreed SLAs
Nov 2001 - Jun 2003
1 year 8 months
Lorem ipsum dolor sit amet

Sony Ericsson Mobile Communications

  • Service engineer
  • Responsible for hardware and software asset management and maintenance at the Düsseldorf site
  • Handling incoming incidents
  • Responsible for changing backup tapes
  • Co-responsible for providing IT services according to agreed SLAs
Aug 2001 - Nov 2001
4 months
Lorem ipsum dolor sit amet

Bankhaus Sal. Oppenheim Köln

  • Rollout technician
  • Converting network cabling from Token Ring Type 1 to Ethernet throughout the bank
  • Upgrading hardware (printers, PCs and other network devices) from Token Ring to Ethernet
Sep 1999 - Aug 2008
9 years
Lorem ipsum dolor sit amet

A&O Systems + Services Germany GmbH (formerly EDS, Systematics and Memorex Systemhaus)

Vodafone Düsseldorf Seestern (03/2006 - 08/2008):

  • Service engineer
  • 1st and 2nd level support
  • Categorization and prioritization of incidents
  • Installing, configuring and troubleshooting Windows XP clients
  • Unattended client installations with Netinstall and other methods (PXE boot)
  • IMAC tasks and hardware installation (PCs, notebooks, monitors, printers, etc.)
  • Managing and coordinating external service technicians
  • Co-responsible for providing IT services according to agreed SLAs
  • Coordinating and executing hardware and software rollouts
  • Co-responsible for asset maintenance in the customer’s CMDB
  • Co-responsible for license compliance and software asset management
  • Monitoring warranty processes and ensuring compliance with customer requirements

SKF Sealing Solutions GmbH (03/2005 - 08/2008):

  • Onsite support backup and vacation cover
  • Handling incoming incidents
  • Installing, configuring and delivering various hardware and software (Win2000 and XP)
  • Responsible for changing backup tapes
  • Co-responsible for providing IT services according to agreed SLAs
  • Ensuring license compliance per customer requirements

Georg Fischer Automotive (04/2006 - 08/2008):

  • Service desk and onsite support backup and vacation cover
  • Installing, configuring and delivering various hardware and software
  • 1st and 2nd level support
  • Handling incoming incidents
  • Creating and editing Robocopy scripts for data backup
  • Co-responsible for providing IT services according to agreed SLAs

WAZ (03/2007 - 08/2008):

  • Service desk and onsite support backup and vacation cover
  • Handling incoming incidents
  • Co-responsible for providing IT services according to agreed SLAs

Gothaer Versicherung (04/2004 - 03/2006):

  • Service engineer
  • Installing, configuring and delivering hardware and software
  • 1st and 2nd level support
  • New installations with SCCM and PXE boot
  • Performing IMACD tasks for IT devices and related work (e.g. network patching, desk cabling, etc.)
  • Planning and executing office moves
  • Rollout coordination and subproject management for a nationwide hardware rollout
  • Contributing to the development of a new software asset database to determine required software licenses
Sep 1999 - Aug 2001
2 years
Lorem ipsum dolor sit amet

Mannesmann D2 Mobilfunk Shops

  • Service engineer
  • Supporting D2 shops across North Rhine-Westphalia
  • Handling incoming incidents
  • Installing, configuring and delivering hardware and software
  • Installing shop clients and servers with Win2000, XP and Win2000 Server
  • Co-responsible for providing IT services according to agreed SLAs
Jan 1999 - May 1999
5 months

Field service technician

Xerox GmbH

Sep 1995 - Jan 1999
3 years 5 months

Communications electronics technician – IT specialization

Xerox GmbH

Sep 1983 - Jul 1986
2 years 11 months
Germany

Machinist

Benz & Hilgers GmbH

Languages

German
Native
English
Advanced

Education

Sep 1995 - Jan 1999

Xerox GmbH

Communications electronics technician, IT specialization · Germany

Sep 1983 - Jul 1986

Benz & Hilgers GmbH, subsidiary of Rheinmetall AG

Machinist · Germany

Certifications & licenses

Laser safety officer

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Andreas A.

Project Manager for Network and Infrastructure Project migration EU/US/MEX

View Profile
Harald H.

Rollout control of optical networks (DWDM)

View Profile
Oliver G.

Project Manager for IoT Applications and Workforce Management System Implementation

View Profile
Ralf B.

Consultant

View Profile
Aladdin A.

Technical Consultant

View Profile
Thomas P.

Subproject Lead Program PM Summit 2024

View Profile
Farhad N.

Sales Engineer for DACH

View Profile
Andreas F.

Project Manager & Portfolio Owner for Infrastructure (Automotive)

View Profile
Christian D.

Managing Director and Senior Consultant

View Profile
Dominik E.

Project Management for Installing Charging Infrastructure for 3 Luxury Residential Properties

View Profile
Steffen M.

Consultant

View Profile
Mahmoud T.

Strategy Consultant, Organizational Developer

View Profile
Peter K.

Hardware and Software Developer / Project Manager

View Profile
Andreas W.

Freelancer

View Profile
Philipp G.

Product Owner / Product Management / Agile Coach / Scrum Master / Project management Mentor and Coach

View Profile
Carsten W.

Managing Consultant - IT Outsourcing-Services (IT, Voice, Data)

View Profile
Carl-friedrich L.

Senior Consultant

View Profile
Thomas H.

Project Manager & Tender Manager

View Profile
Mustafa K.

Senior Network Design and Engineer

View Profile
Wolfgang S.

Continuous Improvement Manager / Quality Manager

View Profile
Thomas L.

Director Operations Telecommunications (interim)

View Profile
Wilhelm H.

Project Manager / Senior Consultant

View Profile
Khyser S.

Life Cycle Infrastructure Network Analyst

View Profile
David P.

Consulting, Project Management & Sales

View Profile
Hans F.

Managing Director

View Profile
Dirk E.

Senior IT Engineer

View Profile
Marcel K.

Founder, Owner & Principal Consultant

View Profile
Eberhart N.

Service and Change Manager / Project Manager

View Profile
Jan N.

Managing Director

View Profile
Ralph G.

Subproject Lead

View Profile