Senior Network Engineer — Hybrid: Design, Secure & Optimize

Tieto Corp.; Szczecin; Hybride; PLN 150 000 - 210 000; Plein temps

Avantages offerts par ce poste

Flexible hybrid work model

Résumé du poste

Tieto is seeking a Senior Network Engineer to design, implement, and operate advanced network and security solutions across LAN, WLAN, WAN, and cloud integrations. You will troubleshoot complex environments, perform patch management, monitor performance, and ensure security standards while supporting customers and on-site engineers.

Candidates should have 5+ years in network administration and NGFW experience, with strong TCP/IP knowledge, VPN expertise, and Windows/Linux familiarity.

Qualifications

• 5+ years of experience in network administration.
• 5+ years maintaining Cisco, Fortinet, or Check Point NGFW environments.
• Strong knowledge of L2/L3 networking protocols and technologies including STP, LACP, L2 security, 802.1X, OSPF, and BGP.
• Solid understanding of TCP/IP stack protocols (DNS, DHCP, SMTP, SNMP, ICMP).
• Hands-on experience with wireless services deployment and troubleshooting.
• Good understanding of VPN solutions and encryption services.
• Experience with network monitoring tools and general network protocols.
• Ability to quickly diagnose and resolve complex network problems.
• Basic understanding of Windows and Linux operating systems.
• Strong troubleshooting/analytical skills and customer-focused communication.
• English proficiency at Upper-Intermediate level or higher.

Responsabilités

• 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.
• Enforce policies, standards, and guidelines to secure network systems.
• Monitor operational status, gather technical information, and provide reporting.
• Provide remote technical support to on-site engineers and end users/customers.
• Translate technical requirements into suitable network solutions.
• Proactively identify improvements to services and solutions.
• Stay up to date with relevant network technologies, services, and products.

Connaissances

Network administration

Firewall management

L2/L3 networking

VPN and encryption

TCP/IP

Windows

Linux

Troubleshooting

Communication skills

English (upper-intermediate)

Description du poste

Tieto is seeking a Senior Network Engineer to design, implement, and operate advanced network and security solutions across LAN, WLAN, WAN, and cloud integrations. You will troubleshoot complex environments, perform patch management, monitor performance, and ensure security standards while supporting customers and on-site engineers.

Candidates should have 5+ years in network administration and NGFW experience, with strong TCP/IP knowledge, VPN expertise, and Windows/Linux familiarity.