Keyteo - System Administrator (Security & Infrastructure)
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· Deploy and maintain SIEM technologies - Elastic on premises
o Including log ingestion pipelines with Vector or the Elastic agent
· Deploy and maintain Prometheus and Grafana
o Including alerting system monitoring rules with Prometheus, and visualization graphs with Grafana
· Manage multiple Linux systems via Ansible AWX playbooks (deployed in master server with Kubernetes), including OS updates and scalability needs.
· Manage and maintain Docker containers, including volumes, networks, and configuration files
· Generate and manage local TLS certificates and mutual TLS client certificates, ensuring proper lifecycle management and timely client notifications using open-source tools
· Configure and manage reverse proxies, such as Caddy or Nginx
· Deploy and manage SQL databases (e.g., PostgreSQL and PGadmin)
· Configure and manage mail agents (e.g., MSMTP and Postfix)
· Deploy and manage additional open-source tools to support Incident Response operations
Language Skills
· English (minimum B1 level CEFR, both oral and written)
Interpersonal Skills
· Reliability : Respect standard University working hours and provide regular, concise progress updates, such as daily summaries.
· Curiosity and motivation : Investigate improvements beyond the minimum requirements while making pragmatic scope decisions.
· Loyalty to objectives : Propose alternatives constructively, but follow agreed decisions when proposals cannot be accepted, including for non-technical reasons.
· Consistency and discipline : Remain focused on the defined goal, document progress and decisions, and maintain reproducible work.
· Communication : Ask questions or request assistance promptly when requirements, access, or technical constraints are unclear.
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