Senior Network Engineer

Experienced network engineers (6+ years) are sought to join the IT infrastructure team supporting financial trading systems at a leading North American bank. The role involves building and maintaining infrastructure for highly-performant, low-latency trading systems used globally. The position is fully remote, based in Poland, and requires working US Eastern business hours.

• Solid understanding of networking protocols and enterprise network architecture.
• Experience with Arista switches.
• Multicast routing experience.
• Deep understanding of TCP/IP, BGP, OSPF, MPLS, DNS, DHCP, and VPN technologies.
• Experience with network source-of-truth platforms like NetBox.
• Knowledge of cloud networking concepts and services (e.g., AWS).
• Strong troubleshooting, communication, and collaboration skills.
• Experience with network automation and scripting (e.g., Python, Bash).
• Familiarity with infrastructure-as-code and configuration automation tools (e.g., Terraform, Ansible).
• 6+ years of experience in network engineering.
• Strong English skills (spoken and written).
• Ability to work US Eastern business hours (15:00–23:00 Poland time).
• Must be resident in Poland with legal permission to work.
• Successful candidates must pass a standard background check.

Nice to have:

• Experience with DCIM.
• Knowledge of Git flow.
• Experience with Active Directory.

Network Operations & Support:

• Deployment, configuration, and maintenance of network devices such as switches, routers, and firewalls.
• Monitoring of network health and resolution of connectivity issues across enterprise environments.
• Support for infrastructure expansion, migrations, and lifecycle upgrades in both cloud and on-premises facilities.

Cloud & Hybrid Networking:

• Design and management of cloud-based network infrastructure including VPCs, subnets, route tables, and security groups.
• Enablement of hybrid connectivity between cloud and on-prem environments.
• Collaboration with cloud and DevOps teams to optimize network performance and reliability.

Automation & Infrastructure-as-Code:

• Development of scripts and tools to automate network provisioning, configuration, and monitoring.
• Use of infrastructure-as-code frameworks (e.g., Terraform) and configuration automation (e.g., Ansible) to manage network infrastructure.
• Management of automation pipelines and configuration management systems.
• Integration with tools like NetBox to maintain source-of-truth for network inventory and topology.

Security & Compliance:

• Implementation and management of Access Control Lists (ACLs) to regulate traffic and enforce security boundaries.
• Enforcement of network segmentation and isolation policies to protect sensitive workloads and environments.
• Assistance in vulnerability remediation and compliance initiatives.
• Regular audits of network configurations and access policies to ensure alignment with security standards.

Collaboration & Documentation:

• Engagement with cross-functional teams to support infrastructure and application needs.
• Maintenance of accurate network documentation, diagrams, and operational procedures.
• Participation in process improvements and knowledge sharing initiatives.

• Only open to candidates based in Poland.
• Requires working US Eastern business hours (15:00–23:00 Poland time).
• Successful candidates must pass a standard background check.