Senior Network Engineer - Enterprise Migration & Hybrid

Jit Team; Województwo pomorskie; Hybrid; PLN 166,000 - 210,000; Full time

Job summary

Jit Team in Poland is seeking an experienced Senior Network Engineer to join a hybrid role across Gdańsk, Gdynia, Warszawa, and Łódź. You will analyse network infrastructure, support migration planning, and collaborate with application and infrastructure teams in a complex enterprise environment.

The ideal candidate has 5+ years in network engineering, strong routing, switching, VLAN configuration, and a pragmatic, results-driven mindset.

Qualifications

• 5+ years of experience in network engineering, network infrastructure, or related senior networking roles.
• Strong knowledge of enterprise networking environments.
• Hands-on experience with routing, switching, and VLAN configuration.
• Solid understanding of network segmentation principles and connectivity design.
• Experience delivering infrastructure migration initiatives within enterprise environments.
• Strong analytical, troubleshooting, and stakeholder collaboration skills.

Responsibilities

• Analyse NICs, IP addressing, VLANs, network zones, and existing traffic paths.
• Validate Data and Management traffic flows in cooperation with application teams.
• Identify backup, replication, and other traffic types utilizing the Management path.
• Define the target network architecture, connectivity model, and migration approach.
• Assess NIC port availability and capacity constraints across the infrastructure.
• Support migration execution, troubleshooting activities, and post-migration validation.

Skills

Network engineering

Enterprise networking

Routing

Switching

VLAN configuration

Network segmentation

Migration initiatives

Stakeholder collaboration

Job description

Jit Team in Poland is seeking an experienced Senior Network Engineer to join a hybrid role across Gdańsk, Gdynia, Warszawa, and Łódź. You will analyse network infrastructure, support migration planning, and collaborate with application and infrastructure teams in a complex enterprise environment.

The ideal candidate has 5+ years in network engineering, strong routing, switching, VLAN configuration, and a pragmatic, results-driven mindset.