Lars-Sören Steck

Lars-Sören Steck

Technical Lead Web Hosting at netcup GmbH
🖥️🐧📝🎤🌍⌚

Technical Lead Web Hosting specializing in Linux platforms and incident management. Responsible for highly available platforms serving a six-figure customer base, acting as the interface between engineering, management, and customers.

  • Technical ownership of web hosting (Plesk) for a six-figure customer base
  • Incident lead for highest-severity incidents, incl. stakeholder communication
  • External communications & hosting of technical customer events
  • Chair of the Chamber of Commerce (IHK) examination board (IT Specialist for System Integration)
  • Certified apprenticeship trainer (AEVO)

Professional Experience

Technical Lead Web Hosting

Anexia / netcup GmbH since Jan 2025

(Business transfer from Anexia to netcup GmbH in Oct 2025)

  • Overall technical ownership of a Plesk-based web hosting platform serving a six-figure customer base
  • Leading and resolving high-severity incidents incl. customer communication and root cause analyses
  • Technical sparring partner for management-level decisions
  • Professional development and training of team members
  • Second-level on-call duty for production systems

Senior Linux System Administrator

Anexia Apr 2022 – Jan 2025
  • Operation and advancement of complex Linux-based web hosting systems
  • Analysis and long-term resolution of challenging incidents in second-level and escalation contexts
  • Contribution to community management, events & public-facing communications

Linux System Administrator

netcup GmbH / Anexia Jan 2019 – Apr 2022

(Business transfer from netcup GmbH to Anexia in Jan 2020)

  • Administration and operation of Linux systems in a web hosting environment
  • Technical customer support for complex incidents
  • Domains, DNS, hostmaster, abuse handling & on-call duty

Apprentice IT Specialist for System Integration

netcup GmbH Sep 2016 – Jan 2019

Customer Support Representative

netcup GmbH Mar 2016 – Sep 2016

Dual study program in Information Technology (not completed)

netcup GmbH Sep 2015 – Mar 2016

Education

Apprenticeship as IT Specialist for System Integration (Final grade: excellent)

Heinrich-Hertz-Schule Karlsruhe (vocational school) 2016 – 2019

Abitur (German university entrance qualification)

HEBO-Privatschule Bonn 2015

Skills

Core Competencies

Expert-level Linux system administration Web hosting with Plesk Domains / DNS / Nameservers / Hostmaster Configuration management with Puppet Customer & stakeholder communication Technical documentation Escalation management

Automation & Tools

Ansible Bash Python Git Icinga Jira

Web & Applications

Apache2 nginx Docker PHP WordPress HTML CSS Postfix Dovecot MySQL, MariaDB

Infrastructure & Security

Debian Ubuntu Arch Linux openSUSE KVM SSL/TLS Let's Encrypt iptables nftables fail2ban

Languages

German Native
English Fluent

Certifications

Instructor Aptitude Examination (AEVO)

Chamber of Commerce (IHK), Karlsruhe Feb 2020

DENIC Acceptance Test

DENIC eG (.de domain registry) Jun 2018

Volunteer Work

Chair of the Examination Board for IT Specialists (System Integration)

Chamber of Commerce (IHK), Karlsruhe since Feb 2025

Deputy Chair of the Examination Board for IT Specialists (System Integration)

Chamber of Commerce (IHK), Karlsruhe Feb 2021 – Feb 2025