Senior Network & Security Architect (Hybrid)

Tieto; Województwo mazowieckie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible hybrid work model

Professional growth opportunities

Job summary

Tieto Tech Consulting is seeking a Senior Network Engineer to design, configure, implement, and operate complex network and security solutions. You will troubleshoot LAN, WLAN, WAN, VPN, firewall, and NGFW environments and ensure performance, reliability, and security while supporting customers and on-site engineers.

The ideal candidate has 5+ years in network administration, hands-on firewall experience, strong TCP/IP knowledge, and excellent communication skills in English.

Qualifications

• 5+ years in network administration.
• 5+ years managing Cisco/Fortinet/Check Point NGFW environments.
• Strong knowledge of L2/L3 protocols (STP, LACP, 802.1X, OSPF, BGP).
• Strong TCP/IP knowledge (DNS, DHCP, SMTP, SNMP, ICMP).
• Hands-on wireless deployment/troubleshooting.
• Experience with VPN solutions and encryption.
• Experience with network monitoring tools.
• Good Windows and Linux basic understanding.
• Strong troubleshooting and analytical skills.
• Customer-focused mindset and strong communication.
• English proficiency Upper-Intermediate or higher.

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; identify improvement opportunities.
• Analyze network issues and their impact on customers’ business.
• Secure network systems by establishing and enforcing policies, standards, and guidelines.
• Monitor operational status, gather and prioritize technical information, and provide reporting.
• Provide remote technical support to on-site engineers and customers.
• Analyze technical requirements and translate them into suitable network solutions.
• Proactively identify and propose improvements to services and solutions.
• Stay up to date with relevant network technologies, services, and products.

Skills

Network administration

NGFW management (Cisco/Fortinet/Check 

L2/L3 networking

TCP/IP stack knowledge

Wireless networking

VPN & encryption

Network monitoring

Troubleshooting

Windows and Linux basics

English communication

Tools

Cisco devices

Fortinet devices

Check Point devices

Wi‑Fi controllers

Job description

Tieto Tech Consulting is seeking a Senior Network Engineer to design, configure, implement, and operate complex network and security solutions. You will troubleshoot LAN, WLAN, WAN, VPN, firewall, and NGFW environments and ensure performance, reliability, and security while supporting customers and on-site engineers.

The ideal candidate has 5+ years in network administration, hands-on firewall experience, strong TCP/IP knowledge, and excellent communication skills in English.