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October 11, 2026

Network Engineer (Network & Security)

Senior • On-site

Warsaw, MA, Poland

Quick Facts

  • Role: Network Engineer (Network & Security)

Description

You will deploy and maintain network infrastructure and security environments according to best practices and internal/legal requirements. The work includes administration and configuration of firewalls, routers, high-availability switching, and load balancers, plus diagnosing and resolving network/security issues and supporting incident analysis. You will also monitor and optimize infrastructure performance, collaborate on IT deployments/migrations, prepare technical documentation and procurement requirements, and provide on-call support after onboarding.

Responsibilities

  • Implement and maintain network infrastructure and security environments

  • Administer and configure: firewalls (Palo Alto, Cisco, Juniper), routers (Cisco, Juniper), load balancers (F5 BIG-IP), and high-availability switches

  • Diagnose and resolve network and security problems; participate in incident analysis

  • Monitor and optimize infrastructure performance

  • Collaborate with IT teams on deployment and migration projects

  • Prepare technical documentation and report to your manager

  • Prepare requirements for purchasing/procurement procedures

  • Perform on-call duty after the onboarding period

Requirements

  • Minimum 4 years of experience in Network Administration/Network Security or a related role

  • Solid practical knowledge of key vendor products: Palo Alto, F5 BIG-IP, Cisco, Juniper

  • Practical routing and switching expertise: BGP, OSPF, VRRP/HSRP, STP/RSTP, VLAN, QoS, ACL

  • Knowledge of monitoring systems and network traffic analysis

  • Strong communication skills and ability to work in a team

  • English at a level enabling comfortable work with technical documentation and vendor support

  • At the final stage, provide a current certificate of no criminal record regarding offenses against information protection

Benefits

  • Employment under an employment contract with a quarterly bonus system

  • Modern, agile, collaboration-focused work organization

  • Wellbeing program with free psychological, legal, financial, and coaching support via Mindgram

  • Healthcare coverage and life insurance; sports card

  • Funding for sports activities and internal training

  • Opportunities to learn English, German, and Italian via the eTutor platform

  • Discounts for company banking products and additional social benefits

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