DevOps Engineer / Linux Administrator (m/f/d)

scireum - We are OneQrew

For over 15 years, scireum GmbH has been supporting renowned companies in the digitalization of their sales and marketing processes. More than 2,100 associations, brand manufacturers, and specialist wholesalers now rely on our B2B software solutions. We connect markets, companies, and people.

OneQrew unites a total of 17 business units in Germany, Austria, Switzerland, and the Philippines. Diverse company histories ranging from 4 to 40 years, as well as different age groups and nationalities, make this diversity unique – driven by a passion for creating something great. Through our software solutions, we give tradespeople more time for their true calling. True to our mission: Less office, more craftsmanship!

As a DevOps Engineer / Linux Administrator (m/f/d), you will impress with your technical expertise in Linux administration, your understanding of infrastructure and automation, and your solution-oriented approach to work.

You ensure the stable, secure and efficient operation of our Linux-based infrastructure and continuously develop it further through automation and optimization.

• You administer our Linux server environment.
• You automate and optimize systems using CLI, shell, and scripts.
• You also manage systems via SSH and run containers with Docker.
• You configure network and communication protocols: SMTP, POP3, IMAP, TCP/IP. You analyze and optimize our infrastructure in the area of ​​monitoring.
• You will be responsible for the commissioning of hardware, peripherals or other devices, including configuration and instruction.

• You have very good knowledge of Linux system administration and practical experience with CLI, shell, scripting, SSH and Docker.
• You have a solid understanding of network and internet protocols and work independently and responsibly – also remotely.
• Ideally, you have experience with some of our tools, such as Python, WireGuard/OpenVPN, SSL certificates, Terraform, S3 buckets or cloud platforms like AWS or Google Cloud.
• Knowledge of virtualization (VMware, Proxmox), databases (MariaDB, PostgreSQL, MongoDB, Redis, ClickHouse, ElasticSearch) or infrastructure tools (Puppet, Nginx, HAProxy, Prometheus, Grafana, Graylog, Traefik, UptimeRobot) is an additional plus.

Your flexibility: Design your workday flexibly – in a way that suits you and your team.

Your development We boost your personal development – ​​we recognize your know-how and your potential and develop you further in a targeted manner.

Strengthen your health with Hansefit, both body and mind. You gain access to a huge network of gyms, swimming pools, and classes throughout Germany, ensuring you always find your perfect balance.

Your safety at work: We focus on professional occupational safety and modern occupational medicine.
Together with our health partner, we create a safe, healthy working environment that protects you in your daily work and strengthens you in the long term.

Your mobility : Choose your ideal bike with BusinessBike – whether a classic bicycle, a sporty mountain bike, or an e-bike.
This allows you to make your commute or leisure time active, cost-effective, and environmentally conscious.

Your benefits: Take advantage of our Corporate Benefits and enjoy real price advantages in many areas of life – through exclusive discounts, special promotions and attractive offers.