Security Infrastructure Engineer: Firewalls, VPN & WAF

Sii Poland; Kraków; On-site; PLN 130,000 - 190,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Regular integration events and trips

Centre of internal trainings

Open and accessible management team

MySii app

Job summary

Sii Poland in Kraków is seeking an experienced IT security specialist to support global security infrastructure. You will maintain firewalls, WAF, VPN, monitor resources, and provide L1–L2 support while collaborating with IT teams worldwide.

You will work with Azure security tools, SIEM, and network technologies, contributing to security process improvements in a dynamic, international environment.

Qualifications

• Minimum 5 years of experience in IT security.
• Experience with enterprise-class firewalls and VPN, WAF, and IPS/IDS.
• Familiarity with Azure security tools and SIEM platforms.
• Solid networking knowledge (TCP/IP, routing, switching, VLAN) and basic automation (Python/PowerShell, API).
• Very good English (B2/C1) and Polish; willingness to travel to Switzerland.
• Analytical thinking and teamwork in an international environment.

Responsibilities

• Maintain and manage security infrastructure components (firewalls, WAF, VPN).
• Monitor health and performance of security resources.
• Provide level 1–2 support for security incidents and requests.
• Collaborate with security engineering to implement best practices.
• Maintain up-to-date technical documentation.
• Coordinate with local and international IT teams to ensure operational synergy.
• Contribute to continuous improvement of security operations.

Skills

IT security

Firewall management

VPN/WAF

Azure security

SIEM

Networking

Automation (Python/PowerShell)

English proficiency

Polish language

International collaboration

Tools

Palo Alto

Fortinet

Cisco ASA/Firepower

Job description

Sii Poland in Kraków is seeking an experienced IT security specialist to support global security infrastructure. You will maintain firewalls, WAF, VPN, monitor resources, and provide L1–L2 support while collaborating with IT teams worldwide.

You will work with Azure security tools, SIEM, and network technologies, contributing to security process improvements in a dynamic, international environment.