Network Engineer

Join our Team

About this opportunity:

Design, implement, operate and troubleshoot network infrastructure to ensure secure, reliable, and performant connectivity across Ericsson test environment and R&D labs globally. Support projects, changes and incidents; contribute to automation, documentation and continuous improvement.

What you will do:

• Design and upgrade and adapt lab NW framework based on existing and new RAN, security and other requirements
• Deploy, configure and maintain routing, switching, WAN and remote access technologies.
• Support and troubleshoot network incidents (LAN, VPN, EVPN-VxLAN,).
• Implement and maintain network security controls (ACLs, segmentation, VPNs, NAC).
• Participate in network design and change implementations for upgrades, migrations and new services.
• Monitor network health, analyse performance metrics and remediate capacity or stability issues.
• Create and maintain network diagrams, runbooks, SOPs and change records.
• Automate repetitive tasks and manage configurations using IaC or automation tools where applicable.
• Collaborate with security, systems, cloud and application teams; liaise with vendors and service providers.

The skills you bring:

• Routing and switching, strong knowledge of TCP/IP, BGP, OSPF, VLANs, STP and layer‑2/3 troubleshooting.
• Experience with data centre fabrics (leaf-spine), EVPN/VXLAN.
• IPsec, Security Gateway
• Network services: IPv4/IPv6, NAT, QoS, DHCP, DNS.
• Security: firewall basics, access controls, VPN configurations and segmentation best practices.
• Tools and platforms: experience with one or more major vendors (Cisco, Juniper, Extreme Networks, etc.).
• Monitoring and telemetry: SNMP, Net Flow/IPFIX, basic use of network monitoring tools and log analysis.
• Automation and scripting: basic Python, Bash or templating; familiarity with Ansible, Terraform or similar is a plus.

It's an advantage if you have:

• Cloud networking: AWS/Azure/GCP VPC/VNet, VPN/Direct Connect/Express Route experience.
• Certifications: CCNP/CCNA, JNCIA, Palo Alto/Forti Net, AWS Advanced Networking or similar.
• Experience with IaC, CI/CD pipelines or network orchestration platforms.
• Knowledge of zero-trust concepts, NAC solutions and advanced security integrations.

Experience and education:

• 3–6 years’ hands-on experience in network engineering or operations.
• Degree in Computer Science, Information Technology, Electrical Engineering or equivalent work experience.
• Proven track record of managing network incidents, delivering projects and producing operational documentation.

Behavioural competencies:

• Strong analytical and structured troubleshooting skills.
• Clear communicator; able to explain technical issues to non-technical stakeholders.
• Team player, proactive, detail-oriented and customer-focused.
• Able to work under pressure and participate in an on-call rotation if required.

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?

Click Here to find all you need to know about what our typical hiring process looks like.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Hungary (HU) || Budapest

Req ID: 778779