Linux System Administrator (f/m/d)

Overview

Linux System Administrator (f/m/d) at Peopleware in Düsseldorf. You will play a key role in setting up, migrating and operating our new infrastructure, working closely with development and product teams to create a highly available, scalable and secure platform for our SaaS solutions.

What you'll do:

• Infrastructure Setup & Migration: You drive the conception and setup of our new bare metal platform—from hardware selection to a resilient network architecture—and accompany the migration from AWS.
• Linux system & bare metal expertise: Contribute Linux expertise to optimize the server landscape, including provisioning (e.g., via PXE), OS hardening and hardware management.
• Cluster Management: Install, configure, administer, scale and maintain clusters on our infrastructure in collaboration with your team.
• Automation: Develop and maintain robust automation solutions for provisioning and deployment (e.g., Terraform and Ansible).
• Operations & Optimization: Ensure stable, high-performance platform operation, including analysis, maintenance, troubleshooting, and performance & cost optimization.
• Security: Implement and monitor security measures at infrastructure and cluster levels (e.g., network policies, secrets management, system hardening).
• Internal Collaboration: Work closely with development teams as a technical interface, supporting them in optimizing applications for operation on our platform, defining requirements and ensuring smooth integration.

What you bring to the role:

• Knowledge of Linux system administration and experience with bare metal servers (provisioning via PXE, IPMI, hardware management, BIOS/UEFI configuration) as well as common virtualization technologies (e.g., Proxmox).
• Strong understanding of network concepts (TCP/IP, routing, switching, VLANs, firewalls, load balancing, DNS) in a data center environment.
• Proven experience with Infrastructure as Code (IaC) and configuration management tools (e.g., Ansible, Terraform).
• Practical experience with distributed storage systems (e.g., Ceph).
• Practical experience with logging and monitoring tools (e.g., Prometheus, Grafana).
• Advantageous: Knowledge of CI/CD pipelines (e.g., Jenkins, ArgoCD), Kubernetes and databases (e.g., PostgreSQL).

What we offer:

• Benefits: Hybrid working model (2 WFH days weekly), 30 days holiday, job bike, public transport ticket or free parking, company pension scheme, corporate benefits program, high-end IT equipment (including MacBook).
• Feel-good atmosphere: State-of-the-art office in Düsseldorf’s Medienhafen, free full catering (breakfast, lunch, snacks, drinks), team and company events.
• Flexibility: Flexible working hours (part-time/full-time) or sabbatical to accommodate life changes, when possible.
• Creative freedom: Opportunity to contribute ideas with substantial freedom for personal development.
• Individual development: Emphasis on personal growth and opportunities to develop further beyond a job.
• Further training: Workshops, conferences, in-house meet-ups and events, and learning from mistakes.
• Onboarding: Comprehensive training from direct colleagues with ongoing support.
• ... and lots more.

About Peopleware, in a few words:

Established in 1995, we develop Software as a Service (SaaS) products for Workforce Management and Digital Education. Thousands of business customers worldwide use our solutions. We value simplicity, trust, and teamwork. We are a diverse group of international professionals and a certified Great Place to Work.

Next steps

Sounds good? Let's talk next steps: If this job offer makes your heart skip a beat, don’t wait any longer: Send us your application.

We are an equal-opportunity employer and value diversity and inclusion. All qualified applicants will be considered without regard to ethnicity, color, national origin, religion, sex, gender identity, sexual orientation, pregnancy, age, protected veteran status, or disability status.

We’re looking forward to getting to know you.