Senior Network Engineer

About the Position

We are looking for a Senior Network Engineer to join a modern infrastructure and connectivity environment in an enterprise banking setup. This role goes beyond traditional network operations, with a main focus on building, improving, and operating network infrastructure with a strong automation and DevOps mindset. You will work with data center, on-prem, edge connectivity, cloud interconnects, firewalls, observability, and infrastructure changes managed through controlled and auditable processes.

Responsibilities

• Design, operate, and improve enterprise network infrastructure across data center, on-prem, and edge connectivity environments
• Work with network automation and Network-as-Code practices using tools such as Terraform, Ansible, and/or Python
• Manage infrastructure changes through Git-based workflows, peer reviews, CI/CD pipelines, and controlled deployment processes
• Support plan/apply separation, policy checks, rollback scenarios, and audit evidence for infrastructure changes
• Handle firewall technologies, including FortiGate and Palo Alto
• Support automated firewall rule lifecycle management, including reviews, attestations, cleanup, and rule optimization
• Coordinate with cloud platform teams on connectivity, routing, and integration topics, including edge and interconnect networking to and from cloud environments
• Apply security-by-design principles across network architecture and operations
• Contribute to segmentation, Zero Trust, NAC, and perimeter protection initiatives
• Improve network observability and reliability using monitoring, NetFlow, alerting, and incident response practices
• Support incident handling, post-incident reviews, documentation, and continuous improvement
• Collaborate closely with Security, Cloud Platform, infrastructure, and product teams in line with change management, audit, compliance, and operational resilience requirements

Requirements

• 5+ years of experience in enterprise networking, including data center, on-prem, and edge connectivity
• Hands-on experience with Network-as-Code or network automation
• Proficiency in Terraform, Ansible, and/or Python
• Background in Git-based workflows, peer reviews, and controlled infrastructure changes
• Practical experience with CI/CD pipelines for infrastructure changes
• Understanding of plan/apply separation, policy checks, rollback, and audit evidence
• Strong firewall background, especially with FortiGate and Palo Alto
• Experience with firewall rule lifecycle management, routing, and interconnectivity with cloud environments
• Knowledge of security-by-design principles, segmentation, Zero Trust
• Familiarity with NAC, perimeter protection, and network observability practices
• Knowledge of NetFlow, monitoring, alerting, incident response, and post-incident reviews
• Experience working in regulated environments with change management, audit, and compliance requirements
• Strong documentation and collaboration skills, with the ability to work closely with Cloud Platform, Security, infrastructure, and product teams
• Good English communication skills

Nice to Have

• Experience with Cloudflare, including DNS, WAF, DDoS protection, and Zero Trust
• Experience in financial services, banking, or other highly regulated industries
• Familiarity with DORA, ECB-style operational resilience, or network control requirements

We Offer

• Opportunity to work in a hybrid role based in Poland
• Engaging and challenging work environment in an enterprise banking setup

About the Company

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