Profile: - Proven experience as a Linux Systems Administrator in production environments;
- Strong hands-on experience with Red Hat Enterprise Linux (RHEL 7 and 8);
- Strong OS-level troubleshooting skills, including performance diagnostics, connectivity, disk space, and process management;
- Experience with Bash/Shell scripting for automation;
- Experience with Ansible for infrastructure automation and configuration management;
- Experience supporting mission-critical infrastructure environments;
- Knowledge of OS performance tuning for low-latency environments;
- Experience with monitoring tools such as Zabbix, Prometheus, or Grafana;
- Familiarity with virtualization technologies such as VMware;
- Experience with server hardware management, OS migrations, and distributed infrastructure;
- Knowledge of container technologies such as Docker and Kubernetes (nice to have);
- Experience with Puppet and Python scripting (nice to have);
- Ability to work autonomously in lean technical teams;
- Proficiency in English.
Responsibilities:
- Manage and support RHEL-based server infrastructure across global trading environments;
- Perform troubleshooting and incident resolution for server-side issues;
- Execute OS administration tasks, including user management, access control, tuning, and monitoring;
- Perform OS updates, upgrades, and patching activities;
- Automate operational tasks to improve efficiency and consistency;
- Proactively monitor system health and resolve infrastructure issues;
- Collaborate with development, network, and operations teams;
- Contribute to Ansible automation initiatives;
- Support backup, disaster recovery, and business continuity processes;
- Participate in on-call support rotations when required.
We offer:
- Health insurance;
- Free online training through the Udemy platform;
- On-site and remote training at Olisipo's Learning Center;
- Free certifications (after passing the exam);
- Discounts at Olisipo Partners (in the areas of health and well-being, fitness, travel, among others);
- Free psychological consultations;
- Possibility of a salary advance, without commissions.