Systems & IT Engineer (w/m/d) 80-100%

Job description

Please note that for this position, we'll only consider applications from people who are already living in Switzerland. About Papers Papers is a software engineering company founded on high-tech talent. We support the full lifecycle of innovative web3 products — from concept to software market fit — building secure, scalable futures for our clients and the internet at large. With over a decade of experience and a reputation built on delivering for Fortune 500s and blockchain ecosystems, our teams combine deep technical know-how with a mission to enable meaningful, decentralized innovation. As an engineering-driven team, we work with autonomy and purpose. Our culture is built on meritocracy, long-term thinking, and a commitment to quality over buzz. We aim to collaborate with people who love tech for its own sake and want to help shape the future by solving real-world challenges. Tasks Your Responsibilities Manage and improve our self-hosted, Linux-based infrastructure (Ubuntu) running on a fleet of dedicated/bare-metal servers Keep servers patched and up to date (OS/security updates, reboots) and maintain the various applications we self-host Design and maintain CI/CD pipelines (GitLab CI): build images, push to the GitLab Container Registry Set up and optimize Docker and Docker Compose deployments Automate infrastructure and host provisioning with Ansible Define and enforce backup strategies and disaster-recovery processes. Run our observability stack — Telegraf + InfluxDB + Grafana for metrics and alerting (alerts route to Teams/PagerDuty), Graylog for log aggregation — and write runbooks for the alerts Administer Microsoft 365 / Entra ID (Azure AD) — identity & access management, MFA, Conditional Access, SSO, and email/collaboration security Own and continuously improve our security posture: SSH/host hardening, firewalls, secrets management, least-privilege access, periodic access reviews, and incident response Participate in on-call rotations to support critical services (incl. the Acurast blockchain/bridge infrastructure) Collaborate with backend engineers to streamline integration and delivery Continuously identify and automate repetitive tasks to reduce manual intervention Tech Stack Overview You'll be working with: Linux (Ubuntu), bare-metal/dedicated hosts GitLab CI, Docker, Docker Compose Ansible (infrastructure-as-code) Nginx, Let's Encrypt/certb…