Senior Network Security Engineer - Hybrid, Strategic Defender

Sii Poland; Wrocław; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

MySii app

Medical care

Job summary

Sii Poland is seeking an experienced Network Security SME to join our Cybersecurity Technology Engineering team in Cracow. You will lead strategic security initiatives, guide senior management, and help maintain network defenses across global infrastructure in a hybrid model.

The role requires 5+ years in network security, strong knowledge of controls and cloud platforms, and professional certifications such as CISSP/CISA/CISM. The Kraków office is visited three times per month.

Qualifications

• Minimum 5 years of experience in network administration and cybersecurity.
• Strong knowledge of security controls and industry trends.
• Experience with IDS/IPS, firewalls, and proxies.
• Proficient in TCP/UDP/DNS and network protocol analysis.
• Experience with AWS, Azure or Google Cloud desirable.
• Advanced certifications such as CISSP, CISA, or CISM are desirable.
• Advanced English level.
• Willingness to work in a hybrid Kraków office three times per month.

Responsibilities

• Leading the development and execution of strategic security initiatives to strengthen network defenses.
• Providing expert guidance on cybersecurity strategies to senior management and stakeholders.
• Maintaining up-to-date security documentation and conducting in-depth reviews of security design documentation and firewall rules.
• Identifying potential gaps in security controls and supporting the development of remediation plans for identified deficiencies.
• Offering advanced technical support and guidance on complex network solutions, cryptography, and data security projects.
• Ensuring compliance with global cybersecurity standards and promoting best practices across the organization.
• Leading risk assessment activities and developing comprehensive risk management plans.
• Collaborating with the Business as part of the first line of defense to maintain visibility of IT security risk profiles and control effectiveness.
• Engaging with regional and global cybersecurity stakeholders to address security concerns.
• Maintaining up-to-date knowledge of relevant security frameworks, standards, and best practices.

Skills

Network security

Cybersecurity strategy

English proficiency

Threat assessment

Security documentation

Education

CISSP/CISA/CISM

Tools

IDS/IPS

Firewalls

Proxies

Network protocol analysis tools

Cloud platforms (AWS/Azure/Google)

Job description

Sii Poland is seeking an experienced Network Security SME to join our Cybersecurity Technology Engineering team in Cracow. You will lead strategic security initiatives, guide senior management, and help maintain network defenses across global infrastructure in a hybrid model.

The role requires 5+ years in network security, strong knowledge of controls and cloud platforms, and professional certifications such as CISSP/CISA/CISM. The Kraków office is visited three times per month.