Senior Network Engineer - Traffic & Migration Architect

Jit; Polska; Hybrid; PLN 166,000 - 210,000; Full time

Benefits offered by this job

Flexible work organization

International work environment

Scandinavian culture

Training financing

Team integration meetings

Job summary

Jit is seeking a Senior Network Engineer to lead traffic segregation tasks within a complex financial enterprise environment. You will assess current network connectivity, traffic flows, and segmentation to help define a future-state architecture, collaborating with application and infrastructure teams to validate usage patterns and readiness.

The role involves supporting migration activities, troubleshooting, and post-migration validation, with an emphasis on release-ready network designs and

Qualifications

• 5+ years of experience in network engineering or related senior roles.
• Strong knowledge of enterprise networking environments.
• Hands-on experience with routing, switching, and VLAN configuration.
• Understanding of network segmentation principles and connectivity design.
• Experience delivering infrastructure migration initiatives within enterprises.
• 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 with application teams.
• Identify backup, replication, and other traffic types using the Management path; define target network architecture and migration approach.
• Assess NIC port availability and capacity constraints across the infrastructure.
• Support migration execution, troubleshooting activities, and post-migration validation.

Skills

5+ years experience

Network engineering

Network infrastructure

Routing

Switching

VLAN configuration

Network segmentation

Infrastructure migration

Troubleshooting

Stakeholder collaboration

Tools

Routing technologies

Switching technologies

VLANs

Infrastructure Migration Solutions

Job description

Jit is seeking a Senior Network Engineer to lead traffic segregation tasks within a complex financial enterprise environment. You will assess current network connectivity, traffic flows, and segmentation to help define a future-state architecture, collaborating with application and infrastructure teams to validate usage patterns and readiness.

The role involves supporting migration activities, troubleshooting, and post-migration validation, with an emphasis on release-ready network designs and