Keyteo - System Administrator (Security & Infrastructure)

Technical Skills

• Deploy and maintain SIEM technologies - Elastic on premises Including log ingestion pipelines with Vector or the Elastic agent
• Deploy and maintain Prometheus and Grafana 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.