Jobs / CHECK24 Vergleichsportal
(Senior) DevOps Engineer (m/w/d) Mobilfunk
CHECK24 Vergleichsportal · Köln, NW, Deutschland
Köln, NW, DeutschlandFull timeExp: 2-4 yrsRemote
Remuneration
Attractive performance-based salary package with annual bonuses
Location
Köln, NW, Deutschland
Visa sponsorship
Not specified
Job summary
The DevOps Engineer operates and develops mobile-telecom IT systems, including booking platforms, while building and scaling Linux-based infrastructure. The role combines PHP and Symfony backend development with system maintenance, security improvements, automation, CI/CD, and monitoring and logging to maintain system stability and performance.
Benefits
30 days of paid annual leave, with the option to choose up to 10 additional daysTraining and development opportunitiesPersonal training budgetAnnual bonusesSubsidized occupational pensionFitness membershipsChildcare partnershipsFree Germany public transport ticketCompany bicycle leasingFree office lunchesErgonomic workstation and modern equipment
Qualifications
- Strong technical or natural sciences degree, such as computer science or mathematics
- Basic knowledge of web technologies, HTTP, RESTful APIs, and frontend-backend communication
- Confident use of relational databases such as MySQL
- Two to four years of professional experience with CI/CD, Docker-based environments, and monitoring and logging solutions such as Grafana
- Professional experience with Go, PHP, or Python
- Strong practical Linux experience and familiarity with configuration and deployment tools such as Ansible, Puppet, Terraform, or Chef
- Knowledge of Docker, Nginx, PHP-FPM, Node.js, and MySQL backup and replication
- Basic understanding of networks, including firewalls, routing, and VLANs
- Business-fluent German and English at minimum C1 level
Responsibilities
- Perform system updates, security improvements, and routine maintenance
- Design, develop, and enhance backend functionality using PHP and Symfony
- Operate mobile-telecom IT systems, including booking platforms, throughout their lifecycle
- Build and develop Linux-based infrastructure, including server setup, automation, and CI/CD
- Maintain stability and performance through monitoring, logging, and ongoing optimization
- Collaborate with product management, frontend development, and other departments
Skills
AnsibleChefDockerGoGrafanaLinuxMySQLNGINXNode.jsPHPPuppetPythonRESTTerraformGitmacOS
Degrees
Technical or natural sciences degree, such as computer science or mathematics
Languages
GermanEnglish
Work schedule
Full-time
Industry
Mobile telecommunications
Contract length
Permanent
Relocation
No