Senior System Administrator

We're looking for a hands-on Senior System Administrator to lead and evolve our IT infrastructure. You'll guide a small team, set the technical direction, and keep our systems secure, scalable, and reliable. From servers and networks to cloud and endpoint management — you'll be the expert ensuring everything runs smoothly and efficiently.In this role you willLead and mentor the IT Infrastructure area, providing guidance and setting the technical direction.Define and execute an infrastructure strategy that supports the company’s growth, security, and operational goals.Manage all core systems, including physical servers, network equipment, virtualization, Wi-Fi infrastructure, and backups.Design and maintain secure network setups, including VLANs, firewalls, VPNs, and WiFi (Ruckus, Ubiquiti, or similar).Ensure strong cybersecurity practices: patching, access control, backups, and endpoint protection.Manage network services such as DHCP, DNS, VPN, and SSO, keeping systems fast, stable, and reliable.Experience managing end-user devices (macOS and Windows), familiarity with Kandji and Intune, is a plus.Work closely with other teams on projects, integrations, and automation improvements.Evaluate and introduce new tools or technologies that improve productivity and scalability.Assisting with IT audits (documentation, policies, DRP, DPP, etc.).What we’re looking forExperience leading a small team and coordinating activities across the whole IT infrastructure area.Strong project management skills with a proactive, hands-on mindset.Excellent time management and the ability to balance strategy with day-to-day work.Solid troubleshooting and problem-solving abilities across multiple platforms.Clear communication skills and fluency in English.Scripting knowledge — Bash is essential; Python or PowerShell is a plus.Strong understanding of IT security principles and practical experience applying them.A positive, can-do attitude and the ability to lead by example.Your experience5+ years in system administration or infrastructure management.Proven experience managing Ubuntu/Linux servers in production environments.Comfortable working in mixed macOS and Windows setups.Hands-on experience with Kandji (or similar MDM) and Intune (or similar).Good networking knowledge (Cisco, Opnsense, Ubiquiti, Ruckus) and firewall management.Experience implementing IT security frameworks, policies, or compliance standards.Previous experience leading or mentoring IT staff is a big plus.Familiarity with cloud platforms like AWS, Azure, or Google Cloud is an advantage.What we offerEmployment relationship with Ekipa2 d.o.o. for an indefinite period of time, with a six-month probationary period.Diverse work with exciting daily challenges, working as part of a team in a fun, relaxed environment.Participation in attractive projects.Development opportunities through training, seminars, and conferences.Choice of sport, fitness, educational, and entertainment activities outside of work.Healthy meals in the office.Flexible working hours.24 days of paid vacation.Participation in a discretionary bonus plan.Christmas bonus (subject to internal company policies).