Senior Network Engineer

We are looking for a Senior Network Engineer, who combines deep technical expertise with a proactive, solution-oriented mindset to design, implement, and operate modern, secure, and highly available network environments. In this role, you will work across on-premise, cloud, and Kubernetes-based infrastructures, leveraging automation and Infrastructure as Code to deliver scalable and resilient networking solutions. You will collaborate closely with international teams, contribute to continuous improvement initiatives, and play a key role in ensuring the performance, security, and reliability of complex hybrid environments.

Network Installation and Support

• Install, configure, and support on‑premise and virtualized network environments using technologies such as Extreme Networks, Cisco, Fortinet, and cloud networking services

• Ensure optimal performance, security, and reliability across physical infrastructure, virtual networks, and hybrid environments

Firewall & Network Security Management

• Install, configure, and support firewalls and network security platforms (e.g. FortiGate, Cisco Firepower)

• Integrate firewall and security concepts with cloud-native security controls (Azure NSG, AWS Security Groups, NACLs)

• Support network segmentation and secure traffic flows in hybrid and cloud-connected environments

Network Design and Administration

• Design, implement, and administer customer network environments including On‑prem networks,  Cloud networks (Azure VNets / AWS VPCs), Kubernetes cluster connectivity

• Develop solutions ensuring high availability, performance, resilience, and scalability

Kubernetes & Platform Connectivity

• Support and troubleshoot network connectivity in Kubernetes environments, including: Pod-to-Pod, Pod-to

• Service, external connectivity and Ingress and Egress traffic flows

• Work with Container Network Interface (CNI) concepts (e.g. Calico, Cilium, Flannel)

• Implement and maintain Kubernetes Network Policies in collaboration with platform and security teams

Cloud & Hybrid Networking

• Design and operate hybrid connectivity between on‑prem and cloud environments (Site‑to‑Site VPN, Client VPN, ExpressRoute / Direct Connect where applicable)

• Manage routing, CIDR planning, and traffic flows across on‑prem, Azure, AWS, and Kubernetes platforms

• Support private connectivity patterns (Private Endpoints, internal load balancing)

Second-Level IT Support

• Analyze and resolve complex network and connectivity issues across on‑prem, cloud, and Kubernetes layers

Network Monitoring, Observability & Administration

• Monitor and administer network environments using central management and monitoring tools

• Analyze traffic flows, logs, and metrics to proactively identify issues and optimize performance

• Support observability for cloud and Kubernetes networking (flow logs, metrics, dashboards)

Incident Management

• Manage, document, and resolve incidents using Jira

• Perform structured root cause analysis for complex network and connectivity incidents

• Communicate impacts and resolutions clearly to stakeholders

Network Optimization & Upgrades

• Continuously assess and optimize network performance

• Plan and execute upgrades including firmware updates, hardware replacements, and configuration improvements

• Support modernization initiatives (automation, cloud integration, platform networking)

Infrastructure as Code & Automation

• Support network infrastructure managed via Infrastructure as Code (IaC) (e.g. Terraform, Bicep, CloudFormation)

• Review and maintain network-related IaC templates

• Reduce manual configuration through automation and API-driven workflows

Documentation & Reporting

• Maintain comprehensive documentation of network architectures, configurations, and changes

• Document cloud and Kubernetes network designs and operational procedures

• Produce reports on incidents, performance, and improvement measures

Disaster Recovery & Resilience

• Develop and maintain disaster recovery and failover concepts for network infrastructure

• Ensure backup and recovery procedures are tested and effective across on‑prem and hybrid environments

Audit & Compliance

• Conduct regular network and security audits

• Ensure compliance with internal standards and external regulations

• Support regulated environments through documented and auditable network designs

International Collaboration

• Collaborate with an international IT and platform team

• Participate in cross‑border projects involving cloud, platform, and network integration

• Participate in standby/on‑call duties as part of the network operations team

• Certifications such as Cisco CCNA, Fortinet, Extreme Certified Associate or comparable

• 5+ years of experience as a Network Engineer in enterprise environments

• Strong understanding of TCP/IP, routing, NAT, VLANs, firewalls, load balancing

• Practical experience with Azure and/or AWS networking

• Solid understanding of Kubernetes networking concepts

• Ability to troubleshoot connectivity issues across on‑prem, cloud, and Kubernetes

• 3+ years of experience working in an international team

• Experience with centrally managed, standardized network environments

• Strong incident and operational mindset

• Experience with Infrastructure as Code (IaC)

• Familiarity with Git-based workflows

• Ability to work in hybrid operational models (classic infrastructure + platform teams)

• Experience in administration of phone systems (advantageous, not required)

• Strong technical documentation skills

• Fluent in English and at least proficient Hungarian, spoken and written

• Willingness to travel internationally (10–20%)

• professional challenges, inspiring diverse tasks

• structured development process

• learning path on new technologies (AI, LLM)

• multiculture environment

• flexible working hours and home office days

• relaxed atmosphere, steady, supportive international team

• easily accessible modern office with good infrastructure

• complementary coffee, fruits and snacks

Ready to make a real impact through technology?
Apply now and become part of a purpose-driven team committed to innovation, responsibility, and meaningful change.