System Administrator (Mid-Senior) (Tesonet Global, UAB)

Job description:
In this role, you will:
Work on private cloud and remotely hosted infrastructure configuration, automation, and testing;
Take care of scaling our infrastructure;
Ensure that infrastructure systems are monitored, audited, and alerting configured;
Ensure systems are secure, compliant, and up-to-date with the latest patches and protocols;
Troubleshoot infrastructure related issues and outages;
Stay current with the latest infrastructure developments, and tooling available.
Tech Stack:
Linux;
SQL;
ClickHouse;
Kafka;
Docker;
Elastic/Grafana;
Ansible.
Requirements:
Strong understanding of Linux-based systems and servers;
Hands-on experience with automation/configuration management tools (e.g., Ansible, SaltStack);
Proficiency in working with container systems (e.g., Kubernetes, Docker);
Familiarity with databases, especially MySQL and Redis-like key-value databases;
Strong ability to prioritize and focus on high-impact work.
Excellent communication skills in English and Lithuanian.
Nice to have
Basic experience with Python, Bash, Go, or other languages for custom automation scripting;
Experience with Kafka/Redpanda;
Experience with RabbitMQ;
Experience with HAProxy.
Company offers:
Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.
Health & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app.
Celebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together.
Plus bonus vacation days, paid life-moment days off, barista coffee, and all the tools you need.
Health insurance, hybrid work, learning budget, workation, 24/7 gym + more
Cyber City office perks
Hybrid work (3 office days / 2 WFH) & WFA options
Latest tools, gadgets & tech stack
Extra day off
Inclusive family-related time-off policy
Private health insurance
24/7 gym
Physical well-being specialists
Psychologist/psychotherapist sessions
Vast internal & external learning resources
Guilds, communities & 800+ professionals by your side
Source network & knowledge sharing
Yearly workation
Year-round internal & Source community events
Team building budget