Your mission

At Telio, we build technology that reconnects people.
Our systems enable hundreds of thousands of inmates to stay connected with their families and loved ones. We believe correctional facilities should not only serve as punishment, but also as an opportunity for rehabilitation and a second chance. Through secure communication technology, digital services, and modern software platforms, we elevate the professional and human standards of correctional institutions and other regulated environments (e.g., clinics and state institutions).
This is a mission-critical internal product environment where reliability, security, and engineering excellence directly impact real lives.
We are looking for a skilled System Engineer in Hungary to help keep our international IT environment secure, reliable, and high-performing.
You will work closely with an international IT team and Second Level Support, take ownership of complex technical issues, and contribute to cross-border projects.

Your profile

Duties and responsibilities

• Set up, configure, troubleshoot, and maintain new and existing server environments.
• Perform routine infrastructure maintenance and updates to support availability and performance.
• Manage VMware and Proxmox virtualization platforms.
• Monitor systems, networks, and Telio applications proactively, resolving issues before they affect operations.
• Manage backup solutions and ensure recovery procedures are tested and documented.
• Act as an escalation point for complex incidents and support effective incident resolution.
• Guide and enable the Second Level Support team.
• Maintain accurate hardware and software asset records and support licensing compliance.
• Conduct system and network audits against internal policies, industry standards, and regulatory requirements.
• Create and maintain technical designs, installation instructions, procedures, checklists, and network documentation.
• Contribute to international IT projects and cohesive support across locations.
• Participate in the on-call rotation and NOC duties.

Required Qualifications, Experience & Competencies

Professional Experience & Skills

• More than five years of experience in system administration, IT systems architecture, networking, or a related field.
• Strong knowledge of Windows environments, including Active Directory, Windows Server, back-office products, and workstations.
• Good hands-on knowledge of virtualization technologies such as VMware and Proxmox.
• Experience with monitoring systems and with Confluence and Jira.
• Excellent communication and technical documentation skills.
• Professional proficiency in both English and Hungarian, spoken and written.
• Willingness to travel internationally approximately 10–20% of the time.
• A B.Sc. in Computer Science is preferred.

Advantage:

• Linux system administration.
• Cloud services, particularly AWS or Microsoft Azure.
• Administration of phone systems.
• PRTG monitoring.

Why us?

We are offering 

• Professional challenges, inspiring, diverse tasks
• Learning path on new technologies 
• Multiculture environment
• Flexible working hours and home office days (2 days/week)
• Relaxed atmosphere, steady, supportive international team
• Easily accessible modern office with good infrastructure