Available at short notice for full-time projects

Senior Linux & Observability Engineer

Enterprise Infrastructure · Automation · Monitoring & Logging

23+ years of experience building, automating and operating highly available Linux platforms in enterprise and public-sector environments. Focused on RHEL, Ansible, Prometheus, Grafana and Elasticsearch.

Career trace

Client engagements and roles since 2009, read like a trace: each bar is one engagement, overlaps run in parallel.

2009’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25’26

Ludwig Beck

Payback

MX1 Platform Services

webeffects GmbH

HSE24 (Home Shopping Europe)

monapi.io

Chefkoch.de

Projektsued GmbH

LGL Baden-Württemberg

Featured referenceFurther engagement

Core expertise

Three pillars, one consistent thread: Linux, automation and observability for business-critical platforms.

Full expertise profile

Enterprise Linux & Infrastructure

Design, operation and troubleshooting of business-critical Linux platforms, with a focus on RHEL, high availability, middleware, lifecycle management and reliable production operations.

Automation & Reliable Operations

Repeatable infrastructure and operational workflows using Ansible, scripting and CI/CD practices — designed for maintainability, traceability and stable production use.

Observability, Monitoring & Logging

Building and evolving monitoring, logging and observability platforms that help teams detect issues early, understand system behaviour and perform structured root-cause analysis.

Selected projects

Enterprise and public-sector engagements with technical project and interface responsibility.

All projects

2018 – 2019

HSE24 (Home Shopping Europe)

SRE / Technical Project Lead Observability

Consolidation and standardisation of an enterprise-wide observability platform. Designed and evolved monitoring, logging and dashboarding capabilities with Prometheus, Grafana and Elasticsearch, while coordinating technical stakeholders and platform requirements.

Consolidated and standardised enterprise-wide monitoring with Prometheus and Elasticsearch
Defined KPIs and built dashboards for transparent system health
Coordinated technical stakeholders and platform requirements across teams

Prometheus, Grafana, Elasticsearch, Linux, Ansible

2016 – 2018

MX1 Platform Services

SRE & Technical Project Lead Observability

Introduction and evolution of a central open-source monitoring and logging stack. Supported observability architecture, automated deployments, dashboards and alerting; co-managed an existing Graylog environment and connected additional log and data sources.

Introduced a central Sensu-based monitoring stack, deployed and standardised with Ansible
Time-series visualisation with Graphite and Grafana; log collection and analysis with ELK
Co-managed an existing Graylog environment and connected additional log sources

Linux, Ansible, Sensu, ELK, Graylog, Grafana, Graphite

2022 – 2025

LGL Baden-Württemberg

Senior Linux & Middleware Engineer

Operation and automation of a highly available Linux and middleware environment for public-sector geospatial services. Standardised server configuration and WildFly/JBoss deployments with Ansible and maintained reliable production operations and technical documentation.

Operated a highly available RHEL and WildFly/JBoss environment for public geospatial services
Standardised server configuration and application deployments with Ansible
Ensured reliable production operations, structured handovers and technical documentation

RHEL, Ansible, WildFly, JBoss, High Availability

Further relevant experience

Supporting engagements across SRE, monitoring migration and infrastructure leadership.

Chefkoch.de

2020 – 2021

Site Reliability & DevOps Engineer

Production SRE and DevOps work in a containerised environment, including Kubernetes-based workloads, GitLab CI/CD, Docker and a central ELK logging pipeline for proactive error analysis.

Payback

2015 – 2016

Monitoring Engineer (Migration Project)

Enterprise monitoring and logging in a migration context: automated existing monitoring setups, migrated from Icinga to Icinga2 and extended the ELK and Graphite/Grafana stack — embedded in live production operations and troubleshooting.

Ludwig Beck

2009 – 2014

Head of IT / Systems Administrator

Broad infrastructure responsibility as head of IT: Linux systems, network, storage, virtualisation and PKI. Implemented and technically integrated an AlienVault SIEM platform and connected relevant infrastructure and security log sources.

Projektsued GmbH

2021 – present

Co-founder & CTO

Co-founder and CTO of an operating company, responsible for internal Linux infrastructure, Proxmox, Docker-based services, Ansible automation, monitoring, backups and selected API/integration workflows.

Ongoing entrepreneurial role — internal infrastructure responsibility, not an external client engagement.

Security-aware Operations

OSCP-certified with practical experience in secure infrastructure operations and SIEM platform integration. Security is approached as an operational quality: hardened systems, controlled access, traceable changes, reliable logging and transparent incident data.

OSCP certification (Offensive Security Certified Professional)
AlienVault SIEM implementation at Ludwig Beck
Security-conscious Linux and infrastructure operations
PKI, access control, hardening and traceable operational processes
Public-sector and enterprise environments
Central logging and monitoring platforms

Available at short notice for full-time projects

Let's talk about your platform

For enterprise, public-sector, SRE, monitoring, logging and security observability projects — get in touch by email.

dennis@fratric.com

Availability & engagement model

Remote preferred · Hybrid assignments in the Munich area · Occasional on-site work across Germany

Preferred roles

Senior Linux Engineer
Senior Observability & Monitoring Engineer
SRE / Production Operations Engineer
Linux & Logging Engineer
Security Observability / SIEM Platform Engineer
Technical Platform Consultant