Senior Linux Specialist with Devops experience

This is one of the largest Linux environments in Denmark, in a company in the center of Copenhagen, with a view of the waterfront and the city.



We are looking for their new senior System Engineer, who will be part of an existing engineering team that is responsible for design, configuration, development, deployment and maintenance of new and existing solutions. You will be working with scalable efficient Linux systems distributed among multiple data centers.


One.com is an innovative and award-winning supplier of web hosting services. One.com was established in 2002 in Denmark and is today one of the leading companies in Europe within the provision of domain names and sales of web hosting services.


Since the foundation of One.com (B-one) in 2002 by Jacob Jensen, One.com has experienced constant growth and has today more than 1,500,000 customers in 149 countries.

One.com has approximately 300 great employees, a healthy, strong financial position and backed by Cinven (a EUR40bn British Private Equity company) is fully geared to meet the future.


Headquarter in downtown Copenhagen and they have offices in Sweden, Dubai, India, Philippines.


The tasks for their new colleague will be, in addition to above:

  • Working with Linux based open source software solutions

  • Building high performance and high available services with millions of daily users

  • Building web & hosting services using technologies such as Graphite, Grafana, Gitlab, Kubernetes, Prometheus, Chef, Postgres, Nginx, Wildfly, PowerDNS, dnsdist, Kerberos, RabbitMQ, CouchDB, MariaDB, Hitch, Varnish, DoveCot, Apple Darwin, Halon, Cyren, Solr, Open Stack, Apache, Ansible, Icinga, Fluentd, Apt, Halon, Hadoop, Elastic Search

  • Write efficient and scalable code in languages such as GO, C and python

  • Focus on Automatization (Chef)

  • Building a Native Cloud system in Kubernetes (GO)Security

  • Documenting interfaces and maintenance procedures

The right person has/- is:

  • 5+ years’ experience from relevant previous positions with systems administration, engineering and development

  • Relevant academic background, preferably in computer science

  • Ability to grasp complex IT issues

  • A DevOps mindset with focus on continuous improvement

  • Believe in frequent releases and building systems that are easy to use, deploy and maintain

  • Quick learning, engaged, structured and independent

  • You are resilient ang outgoing and are able to handle change in a flat organization


Backend development department in Copenhagen consists of more than 30 people and handles the hosting backend infrastructure, including but not limited to:


  • Network

  • Datacenter(s)

  • HTTP(s) Servers

  • DNS/CDN

  • Mail & Calendar

  • A variety of internal as well as external digital services and products.

  • Data Engineering / Data Collection / BI

The Company offer:

  • A varied and challenging job where you will get the opportunity to influence the development within one of Europe’s biggest hosting companies

  • Flexible office hours, good lunch arrangement, free fruit and soft drinks

  • Attractive salary package which e.g. includes arrangements for pension, health insurance, health check and a selection of flexible benefits

  • Casual work environment, monthly company wide social Friday bars, Christmas and summer events

For more information please contact CoreSearch at +45 7026 0326 or sent us your CV at job@coresearch.dk


+ 45 7026 0326

Hovedgaden 43 Hørsholm Denmark 2970

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