Global Network Security Engineer - Firewalls, WAF, VPN

Sii Poland; Lublin; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Regular integration events and trips

Comfortable and well-equipped offices

Medical care

Job summary

Sii Poland is seeking an experienced IT security specialist to join our team responsible for global security infrastructure. You will support and maintain security components such as firewalls, WAF, and VPN, and collaborate with IT teams worldwide to ensure robust protection and reliable operations.

The role requires hands-on experience with enterprise firewalls, Azure security tools, SIEM platforms, and strong networking knowledge, plus English proficiency.

Qualifications

• Minimum 5 years of experience in IT security.
• Experience with enterprise-class firewalls and VPN, WAF, and IPS/IDS technologies.
• Familiarity with Azure security tools and SIEM platforms.
• Networking knowledge (TCP/IP, routing, switching, VLAN) and basic automation in Python/PowerShell or via API.
• Very good English (B2/C1).
• Willingness to undertake a week-long deployment trip to Switzerland and collaborate in an international environment.
• Polish language fluency and willingness to work in Poland.

Responsibilities

• Maintaining and managing security infrastructure components such as firewalls, WAF, and VPN.
• Monitoring and ensuring the health and performance of security resources.
• Providing level 1 and 2 support for security-related incidents and requests.
• Collaborating with the security engineering team to implement and enforce best practices.
• Maintaining accurate and up-to-date technical documentation.
• Working closely with local and international IT teams to ensure operational synergy.
• Contributing to the continuous improvement of security operational processes.

Skills

IT security

Enterprise firewalls

VPN, WAF, IPS/IDS

Azure security tools

SIEM platforms

Networking

Automation scripting

English proficiency

Job description

Sii Poland is seeking an experienced IT security specialist to join our team responsible for global security infrastructure. You will support and maintain security components such as firewalls, WAF, and VPN, and collaborate with IT teams worldwide to ensure robust protection and reliable operations.

The role requires hands-on experience with enterprise firewalls, Azure security tools, SIEM platforms, and strong networking knowledge, plus English proficiency.