Senior Network Engineer | Cisco & Cato Expert | Hybrid

RED Global; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model (3 days on-site)

Job summary

RED Global in Warszawa is seeking a Senior Network Engineer to design, deploy and optimize our global network. You will manage LAN/WAN, SD-WAN, VPN, and security, while mentoring junior engineers and coordinating with vendors.

This role requires hands-on expertise with Cisco and Cato Networks, certifications, and a strategic mindset to balance end-user experience with security and reliability in a multinational environment. Hybrid work: 3 days on-site.

Qualifications

• Must have enterprise-grade network design, deployment, and operation experience.
• Certifications in Cisco and Cato Networks are required.
• Strong knowledge of routing, switching, firewalls, SD‑WAN, network security, and high‑availability concepts.

Responsibilities

• Manage, maintain, and optimize the global network infrastructure (LAN, WAN, SD-WAN, Wireless, VPN).
• Design, configure, and secure core network components (routers, switches, firewalls, NAC).
• Lead migrations, upgrades, and lifecycle replacement initiatives.
• Drive advanced troubleshooting and RCA for high-severity incidents.
• Monitor capacity, availability, and resilience; implement improvements.
• Ensure configurations meet security standards and documentation.
• Act as escalation point; mentor engineers; coordinate with vendors.

Skills

Enterprise network design

Cisco

Cato Networks

Routing

Switching

Firewalls

SD-WAN

Network security

High availability

Incident response

Automation

AI in networking

Stakeholder management

Communication skills

Education

Cisco and Cato Networks certifications

Job description

RED Global in Warszawa is seeking a Senior Network Engineer to design, deploy and optimize our global network. You will manage LAN/WAN, SD-WAN, VPN, and security, while mentoring junior engineers and coordinating with vendors.

This role requires hands-on expertise with Cisco and Cato Networks, certifications, and a strategic mindset to balance end-user experience with security and reliability in a multinational environment. Hybrid work: 3 days on-site.