About the company and team
T1 IT Holding is one of the leaders in the Russian IT market, a partner to key manufacturers and developers in the IT sphere. According to analytical agencies CNews Analytics, TAdviser, and RAEX, we are among the top 3 largest Russian IT companies. Our portfolio already includes over 70 in-demand IT products and services, with key ones included in the Unified Register of Russian Software (ERRP).
At T1, stability and financial reliability, as well as social guarantees, are harmoniously combined with the advantages of an IT company — openness, innovation, and a hybrid work format.
We are growing rapidly, scaling, and looking for new specialists to join our team!
Due to expanding needs, we are searching for a Linux OS Administrator to join the team. All troubleshooting, tuning, and automation go through this department. The team currently has over 30 experts.
The department is solely responsible for Linux operating systems; other areas (e.g., databases) are handled by specialized departments with whom we maintain close interaction.
The team is divided by functionality, and there is an opportunity to choose a priority area.
- Automation of server OS operations;
- Server OS operations;
- Technical expertise and emergency support for server OS;
- High-performance OS support;
- 1st line of server OS operations
Together with us, you will:
- Configure, set up, and administer servers running Linux OS family, including those with orchestration and containerization technologies;
- Optimize the performance of Linux OS for various task stacks;
- Automate routine tasks and processes using the current technology stack;
- Resolve emergency situations related to Linux server OS within the framework of incident management;
- Identify and resolve boundary issues related to performance degradation of OS, storage systems, DBMS, cluster systems, network stack, system software, and interact with Vendors;
- Ensure the transition to an import-substituted stack of Linux OS and system components;
- Proactively work to prevent incidents in the infrastructure layer;
- Interact with the Information Security department on issues related to Linux hardening requirements;
- Develop, optimize, and support the process of updating Operating Systems and infrastructure components in large-scale distributed infrastructures;
- Maintain documentation within the department's tasks, prepare maintenance instructions for 1st and 2nd line support;
- Develop and implement a role-based access control model;
- Consult customers and experts from related departments on matters within the scope of competence.
Candidate Expectations
- From 3 years of experience in Linux OS;
- Experience in managing a role-based access control model, granular right separation;
- Expert knowledge of the Linux OS family;
- Understanding of the principles of administering Linux server operating systems (UBUNTU, Debian), including imported stack OS;
- Ability to solve problems related to finding issues and performance bottlenecks in Linux OS family;
- Skills in automating routine server administration tasks using Ansible, Saltstack, Bash, and Python, writing and supporting GitLab CI pipelines;
- Development of automation system services and implementation of new tools, preparation of virtual machine templates and physical server deployment images;
- Knowledge of the principles of operation of basic infrastructure services (DNS, NTP, LDAP, DHCP, etc.);
- Knowledge of network protocols, TCP/IP stack, ability to solve problems and fix malfunctions;
- Skills in working with containerization, including Podman, Docker, and Kubernetes;
- Experience with centralized configuration management systems (ansible, SaltStack, Puppet, etc.);
- Experience with databases, caching systems, and message queues (Scilla, Redis, Kafka, Artemis, PostgreSQL);
- Ability to effectively document processes and procedures within the supported systems;
- Ability to quickly find and apply solutions in emergency situations;
- Experience in solving cross-functional tasks, interacting with customers of various levels;
- Readiness for continuous learning and improvement of soft/hard skills.
