Senior Network Engineer — Hybrid (Cisco & Cato)

RED Global; Warszawa; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Hybrid work model

3 days on-site in Warsaw

Career development

Job summary

RED Global is seeking an experienced Senior Network Engineer to manage and optimize our global network infrastructure, including LAN, WAN, SD-WAN, Wireless and VPN. You will design, configure, and secure core components and lead complex migrations.

You will mentor engineers, coordinate with vendors, and ensure security and reliability while maintaining a user-focused mindset. The role offers a hybrid work model with 3 days on-site in Warsaw and cross‑functional collaboration across regions.

Qualifications

• Extensive experience in enterprise network design and operations.
• Strong ability to drive complex migrations and lifecycle work.
• Solid knowledge of routing, switching, firewalls, and security.
• Experience with SD-WAN, high-availability concepts, and automation.
• Proven incident response and problem-management skills.

Responsibilities

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

Skills

Cisco networks

Cato Networks

Routing & switching

Network security

SD-WAN

Incident response

Automation in networking

High availability

Vendor coordination

Cross‑functional communication

Tools

Cisco IOS

Cato Networks

Job description

RED Global is seeking an experienced Senior Network Engineer to manage and optimize our global network infrastructure, including LAN, WAN, SD-WAN, Wireless and VPN. You will design, configure, and secure core components and lead complex migrations.

You will mentor engineers, coordinate with vendors, and ensure security and reliability while maintaining a user-focused mindset. The role offers a hybrid work model with 3 days on-site in Warsaw and cross‑functional collaboration across regions.