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Matthias SchmälzleMS

Matthias Schmälzle

IT & IT-Security / Nagios and ICINGA2 Consulting

€900/day
Achern, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Matthias

My name is Matthias J. Schmälzle. I have been working as a freelance IT monitoring and IT security engineer since 2001.

As you can read below, I specialize in the conceptualization, development, and configuration of monitoring, security, and communication solutions.
In the area of IT control centers, I am involved in the setup and commissioning of system and network monitoring with Nagios/ICINGA 2.

My services include the main areas of monitoring with Nagios/ICINGA/CheckMK, Grafana, IT security, central communication solutions, and Linux.
  • German

    Native or bilingual

  • English

    Conversational

Can work on-site
Achern (up to 50km)

Experience

  • Dienstleister
    IT
    December 2025 - March 2026 (3 months)
    Berlin, Germany
    Icinga2 Consulting of a central monitoring infrastructure as a solution with a central Icinga2 master system. Implementation of requirements for extended monitoring integration of new monitoring approaches, integration of new plugins, Icinga2 agent customization. Graphical representation of performance data for analysis with Elasticsearch/InfluxDB/NagVis and Grafana. Creation of custom dashboards and use of various plugins. Development of monitoring plugins based on Bash scripting. Inventory, cross-functional analysis for application-specific monitoring. Conceptualization, testing, and documentation for the transfer of Icinga2 status messages and performance data for processing in an overarching umbrella system. Recommendations and adaptation of the Icinga2 environment Icinga Directors for administration. Inventory, cross-functional analysis for application-specific monitoring. Integration of various notifications with links to important information, via HTML emails and Teams/Mattermost. Integration of manual and automated reporting. Conceptualization, testing, and documentation for the transfer of Icinga2 status messages and performance data for processing in an overarching umbrella system. Technical and conceptual contact person. Hardware Software InfluxDB, Grafana, SNMP, Bash, Teams
  • IT- Dienstleister
    Deputy Project Manager / Head of Monitoring
    June 2025 - December 2025 (6 months)
    Kolbermoor, BY, Germany
    Deputy Project Manager / Head of Monitoring for Facility Management and taking over project parts, as well as operational responsibility and coordination of operations. CheckMK Consulting of a central monitoring infrastructure as a solution with a central CheckMK master and distributed CheckMK satellite systems. Implementation of requirements for extended monitoring integration of new monitoring approaches, integration of new plugins, CheckMK agent customization. Graphical representation of performance data for analysis with InfluxDB and Grafana. Creation of NagVis/Grafana templates and dashboards. Graphical representation of performance data for analysis with InfluxDB/NagVis and Grafana. Creation of custom dashboards and use of various plugins. Monitoring of Linux/UNIX/Windows systems and active components using CheckMK agents/MRPE. Monitoring of hardware via SNMP. Monitoring of local and remote resources. Development of monitoring plugins based on Bash scripting. Inventory, cross-functional analysis for application-specific monitoring. Conceptualization, testing, and documentation for the transfer of CheckMK status messages and performance data for processing in an overarching umbrella system (Data Leak). Technical and conceptual contact person, Deputy Project Manager, and Head of Monitoring.
  • VMWare
    Steel Manufacturer
    November 2022 - January 2023 (2 months)
    Salzgitter, NI, Germany
    Setting up and hardening/harding of Linux systems for Grafana and InfluxDB. Installation and configuration of Grafana and InfluxDB. Integration and creation of existing and new Grafana dashboards with new add-ons/plugins. Connection of InfluxDB v1 and V2 data sources. Knowledge transfer, briefing, training, and documentation. Technical and conceptual contact person.

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Skill set

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