About
We are looking for an Infrastructure and Network Administrator. In this role, you will support and maintain IT systems within our Renewables division, working across two technical teams to ensure stable, secure, and efficient infrastructure and network operations.
Your responsibilities
- Administer and maintain virtualized environments using VMware (ESXi, vCenter) – including deployment, monitoring, and optimization of virtual machines.
- Manage and support Windows Server and Windows Client environments, ensuring performance, security, and patch management.
- Maintain and troubleshoot Active Directory, including Group Policy Objects (GPOs), Organizational Units (OUs), and access permissions.
- Handle user and group management for internal systems and applications.
- Configure, manage, and support network infrastructure, including firewalls (Palo Alto, WatchGuard) and Cisco switching environments.
- Participate in network design, security hardening, and monitoring, ensuring compliance with internal standards.
- Collaborate with IT and OT (Operational Technology) teams to ensure high availability of systems supporting renewable operations.
- Provide 2nd/3rd line support for infrastructure and network-related incidents.
- Contribute to documentation, change management, and continuous improvement initiatives.
What do we expect?
- 5+ years of hands-on experience with VMware technologies (ESXi, vCenter).
- 5+ years of experience administering Windows Server and Client environments.
- 3+ years of experience managing Active Directory, including GPO and identity management.
- Solid understanding of network concepts (TCP/IP, VLANs, routing, VPN, DNS, DHCP).
- Experience with firewall configuration and management, preferably Palo Alto and WatchGuard.
- Experience with Cisco switching and network troubleshooting.
- Ability to work collaboratively within a cross-functional IT team and coordinate with Renewables business units.
- Strong problem-solving skills, attention to detail, and communication abilities.
- nice to have:
- Familiarity with OT networks or hybrid IT/OT environments.
- Experience with monitoring and automation tools (e.g., SolarWinds, Ansible, PowerShell).
- Basic understanding of cloud services (Azure, AWS).
- Relevant certifications (VCP, MCSE, CCNA, PCNSA) are advantageous.
Benefits
- Compensation and rewards:
- Boost your earnings with bonuses (company performance, project, or extra performance bonus)
- Invest in yourself with a yearly well-being budget (up to €2,000)
- Earn referral bonus (up to €3,000)
- Secure your future with a pension plan contribution
- Flexibility and Work-Life Balance:
- Flexible working hours that adjust to your personal needs
- Choose your work environment – 100% remote or modern offices: Košice, Bratislava, Prague
- Personal and Professional Development:
- Sharpen your skills with extensive training & certifications
- Boost your language skills with language courses
- Wellbeing and Culture:
- Build bonds through team-building activities & company events like the VolleyCup and Christmas party
- Join our family culture and participate in diverse interest groups like bikers, runners, gamers, and more
- Invest in your well-being with a MultiSport card
- Promote your mental health with confidential psychological support
Hiring process
- Has the job offer captured your interest? Please fill out the application form and let us know about yourself.
- We will assess the information you send us and will get back to you under any circumstances.
- We will contact the chosen applicants and specify the details.
- A job interview with a hiring manager is a two-way opportunity to get to know each other better. The hiring process also includes a second interview with the customer directly.
- We will inform you about the feedback from the interview as soon as possible. Successful candidates will receive a job offer.