We are looking for a System Administrator/Junior DevOps for the international product IT company,  which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. 

  The company develops white-label platforms for enterprise clients—custom turnkey solutions to automate and optimize digital advertising.

Company Products: SSP, DSP, Ad Exchange platforms.

Main markets - Tier 1-2 

Technical team - up to 30 people (CTO, Team Lead, Back-end -10, Front-end developers, QA, DevOps)

Project stack: Node.js (backend), NoSQL, SQL, Redis, MongoDB,  Linux.

Locations/Offices - Kyiv, Lviv, Odesa, Mykolaiv or fully remote.

Conditions: Competitive salary + , Remote (Full-time), career and financial growth, paid vacation and sick leave and other goodies.

• 2+ years of experience in system administration in IT products (preferable SaaS solutions).
• Experience in managing infrastructure with a large number of servers.
• Strong knowledge of Linux/Unix (Ubuntu) administration & troubleshooting
• Hands-on experience with physical servers (hardware) and virtualization (Proxmox, Hyper-V as a plus).
• Knowledge of communication protocols and standards (HTTP, REST, SOAP, MQTT, gRPC; SSH, SFTP, FTP). 
• Experience with databases: PostgreSQL, MySQL, ClickHouse, MongoDB, Redis (basic administration, replication, troubleshooting).
• Experience with monitoring: Zabbix, Prometheus + Grafana.
• Experience with Proxy / Firewalls: nginx, apache, iptables; load balancers.
• Proven experience with Bash
• Attentive to details, responsible, stress-resistant.
• Self-motivated, proactive, willing to grow into DevOps.

Nice to have:

Python (automation scripts)

Ansible

Backup systems

VPN tunnels (IPSec, OpenVPN)

Understanding of OSI model

Experience with CI/CD: GitLab pipelines (basic setup, adding jobs).

Experience with Containers: Docker.

• Add and configure new servers.
• Support ongoing projects, maintain system operability.
• Work with data centers, documentation (Google Sheets/Docs, Confluence).
• Monitor systems, troubleshoot incidents, respond to alerts.
• Provision and control employee access (full admin level).
• Cooperate closely with developers, PMs, and account managers.
• Participate in infrastructure deployment and DevOps processes.

• Vacation: 21 calendar days per year (15 working days), with carry-over.
• Medical insurance.
• Paid leave: 7 days per year.
• Birthday: 1 additional day off.
• Sick leave: 15 paid + 15 unpaid days per year.
• Public holidays off.
• Referral bonuses.
• Coworking compensation.
• Corporate technology.
• Career and financial growth, mentorship from experienced colleagues.

Only short-listed will be contacted.