Senior Network Engineer — Hybrid, Security‑Focused Design

Tieto; Szczecin; On-site; PLN 170,000 - 210,000; Full time

Job summary

Tieto is seeking a Senior Network Engineer to design, configure, implement, and operate complex network and security solutions, ensuring performance, reliability, and security across LAN/WLAN/WAN and VPN environments.

The ideal candidate has 5+ years in network administration and hands-on experience with Cisco, Fortinet, or Check Point NGFW environments, plus strong knowledge of L2/L3 protocols and VPNs. A hybrid work model and global project exposure await.

Qualifications

• Design, configure, implement, and operate complex network and security solutions.
• Troubleshoot LAN, WLAN, WAN, VPN, firewall, and NGFW environments.
• Monitor network performance and capacity; identify improvement opportunities.

Responsibilities

• Design, configure, implement, and operate complex network and security solutions.
• Troubleshoot LAN, WLAN, WAN, VPN, firewall, and NGFW environments.
• Perform patch management of network solutions.
• Monitor network performance and capacity and identify opportunities for improvement.
• Provide remote technical support to on-site engineers and end users/customers.

Skills

Networking concepts

VPN & encryption

Troubleshooting

English proficiency

Windows & Linux basics

Customer-focused communication

Tools

Cisco devices

Fortinet

Check Point

Job description

Tieto is seeking a Senior Network Engineer to design, configure, implement, and operate complex network and security solutions, ensuring performance, reliability, and security across LAN/WLAN/WAN and VPN environments.

The ideal candidate has 5+ years in network administration and hands-on experience with Cisco, Fortinet, or Check Point NGFW environments, plus strong knowledge of L2/L3 protocols and VPNs. A hybrid work model and global project exposure await.