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Network Security Engineer

Capital

Warsaw, Mazowieckie, Poland Remote permanent

Posted: April 27, 2026

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Quick Summary

We are seeking a skilled Network Security Engineer to join our team and work on projects and tools focused on network security, with a strong focus on safeguarding our infrastructure and network.

Job Description

We are a leading trading platform expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing team.

We seek a skilled and experienced Network Security Engineer to join our team and work on projects and tools focused on network security. You will play a key role in strengthening the security of our infrastructure and network, building and maintaining monitoring systems, and developing automation to improve our security operations.


Responsibilities::
• Design, develop, implement and maintain solutions to protect and monitor the network from threats (firewalls, IDS/IPS, VPN, NAC, etc).

• Analyze network traffic to identify anomalies and threats.

• Participate in projects to improve network security architecture and posture.

• Audit and review network security systems/tools configurations to ensure compliance with security standards.

• Integrate network security tools with internal systems and workflows for further handling and response.

• Create automation tools for event analysis and operational efficiency.

• Support network segmentation policies and enforce security requirements.


Requirements::
• 4+ years of experience in information and network security. Solid understanding of network and security protocols, technologies and tools.

• Hands-on experience in developing, integrating, and testing security solutions, as well as configuring and administering network equipment.

• Knowledge of key network security tools and technologies: NGFW, IDS/IPS, WAF, VPN, Proxy, Netflow, FPC, etc.

• Ability to develop security policies for protecting network infrastructure, as well as creating signatures and rules for custom detection.

• Proficient in Linux administration and Linux network stack.

• Familiarity with SIEM systems, hands-on experience in incident response and evidence collection, as well as with traffic analysis tools (e.g. Wireshark).

• Scripting skills for automation (Python, Bash, etc).

• Understanding of Zero Trust, network segmentation, and access control (NAC/802.1x).


Nice to have::
• Experience with Docker/Kubernetes.

• Familiarity with security frameworks and standards (ISO 27001, NIST, MITRE ATT&CK).

• Experience with honeypots and deception technologies.

• Knowledge of cloud technologies (e.g. AWS, GCP, etc).

• Knowledge of PKI security tools and technologies.

• Relevant certifications (e.g., CCNA/CCNP Security, OSCP, CEH, Fortinet NSE).


What you will get in return:

• Competitive Salary: We believe great work deserves great pay! Your skills and talents will be rewarded with a salary that makes you feel valued and motivated.

• Work-Life Harmony: Join a company that genuinely cares about you - because your life outside of work matters just as much as your time on the clock. #LI-Hybrid

• Generous Time Off: Need a breather? Our annual leave policy lets you recharge and enjoy life outside of work without a worry.

• Employee Referral Program: Love working here? Share the love! Bring your talented friends on board and get rewarded for growing our awesome team.

• Comprehensive Health & Pension Benefits: From medical insurance to pension plans, we’ve got your back. Plus, location-specific benefits and perks!

• Workation Wonderland: Live your digital nomad dreams with 30 extra days to work remotely from anywhere in the world (some restrictions apply). Adventure awaits!

• Volunteer Days: Make a difference! Take two additional paid days each year to support causes you care about and give back to the community.

Be a key player at the forefront of the digital assets movement, propelling your career to new heights! Join a dynamic and rapidly expanding company that values and rewards talent, initiative, and creativity. Work alongside one of the most brilliant teams in the industry.

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