Network Engineer

5/6/2026

Operate and maintain hybrid network environments across on-premise, cloud, and Kubernetes platforms to ensure high availability and security. Provide second-level support for connectivity incidents and implement network changes using Infrastructure as Code.

Working Hours

40 hours/week

Company Size

201-500 employees

Language

English

Visa Sponsorship

About The Company

*A deeper insight into Telio* “Improving life in correctional facilities through innovation and understanding” - This is the ethos that makes us a global leader in providing digital communication and administration services for the smart prisons of tomorrow. We are committed dedicated to fostering an environment for positive mental health and successful rehabilitation. Committed from the start Telio was founded in 1998, and has more than two decades of dedicated experience in the global correctional facility environment. What started out as providing detainees with telecommunication via highly secured hallway phonebooths has since grown into a global company with over 250 employees providing institutions with cutting-edge digital solutions for safe, human, and future proof operation.. Ready for the digital transformation  Digitalisation is playing a major role in the operation of correctional facilities. As the leading provider of telco solutions in EMEA, our vision is to become the go-to name for digital innovation. We help to improve lives and promote rehabilitation, create smarter prisons, easing workloads, and enabling healthy communication. A global presence with local understanding  Telio is operating in 23 countries, in over 800 international facilities, and our solutions are used by more than 400,000 inmates. Our comprehensive, long-term industry knowledge gives us valuable insights to the benefit of our customers as is shown by our taylormadetailormade solutions, successful implementations and continuous collaboration.

About the Role

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 Network Engineer to ensure the stability, performance, and security of our on‑premise, cloud, and Kubernetes network environments. You will play a key operational role, working closely with international teams to support modern, hybrid infrastructure and continuously improve network operations.

Your profile

Duties and responsibilities

Operate, maintain, and support on‑premise, virtualized, cloud, and hybrid network environments across Cisco, Fortinet, Extreme, Azure, and AWS
Ensure high availability, performance, and security of network infrastructure, following defined operational and change management processes
Manage and operate firewall and network security platforms, including firewall rules, NAT policies, segmentation, and cloud‑native security controls
Support and troubleshoot Kubernetes networking (CNI operation, Network Policies, ingress/egress, pod‑to‑pod and external connectivity)
Operate and monitor hybrid connectivity solutions such as Site‑to‑Site VPNs, Client VPNs, ExpressRoute, and Direct Connect
Act as 2nd‑level support for network and connectivity incidents, analyzing escalations and resolving recurring operational issues
Monitor network environments using centralized tools, analyze logs, metrics, and traffic flows, and proactively identify risks
Execute network changes and lifecycle activities using Infrastructure as Code and Git‑based workflows
Maintain accurate technical documentation, incident records, and operational procedures
Support disaster recovery testing, audits, and compliance activities
Collaborate with an international IT and platform team, contribute to standardization and automation initiatives, and participate in on‑call rotations

Required Qualifications, Experience & Competencies

Professional Experience & Skills

3+ years of experience in network operations or engineering
Solid knowledge of TCP/IP, routing, switching, VLANs, NAT, firewalls, load balancing
Hands‑on experience with Azure and/or AWS networking
Working understanding of Kubernetes networking
Experience troubleshooting across on‑prem, cloud, and Kubernetes
Familiarity with ITSM processes and tools (e.g. Jira)
Experience operating IaC‑managed environments and Git workflows
Strong operational mindset with focus on stability, reliability, and documentation
Clear communication skills for technical and non‑technical stakeholders
Fluent English and Hungarian
Willingness to travel internationally (~10–20%)
Nice to have
Network certifications (CCNA, Fortinet, Extreme, or similar)
Experience with centralized network management or telephony systems

Why us?

We are offering

Professional challenges, inspiring, diverse tasks
Learning path on new technologies
Multiculture environment
Flexible working hours and home office days
Relaxed atmosphere, steady, supportive international team
Easily accessible modern office with good infrastructure
Complimentary coffee, fruit and snacks

About us

Telio is a medium-sized, internationally active, rapidly growing company in the field of telecommunications and IT services in the prison sector. As the European market leader, we have been providing communications solutions for prisons and their inmates worldwide for over 25 years. With more than 270 employees, we are active in 23 countries and develop, install and operate communication and media systems that make an important contribution to resocialization in prisons as well as in correctional facilities.

Key Skills

TCP/IPRoutingSwitchingVLANsNATFirewallsLoad BalancingAzure NetworkingAWS NetworkingKubernetes NetworkingInfrastructure as CodeGit WorkflowsCiscoFortinetExtreme NetworksITSM