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 will

• Lead 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 for

• Experience 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 experience

• 5+ 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 offer

• Employment 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).