Senior Network Security Engineer - Cyber Defense Leader

Sii Poland; Katowice; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Great Place to Work

Medical care

Profit sharing

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Job summary

Sii Poland is seeking an experienced Network Security SME to join our Cybersecurity Technology Engineering team in Cracow. In this hybrid role you will lead strategic security initiatives, guide senior management on cybersecurity strategies, and keep security design documentation up to date.

You will work with IDS/IPS, firewalls, and proxies, review network protocols, and advise on remediation for identified gaps. English proficiency is required.

Qualifications

• 5+ years in network administration and cybersecurity.
• Proficiency with IDS/IPS, firewalls and proxies.
• Knowledge of TCP/UDP/DNS and network analysis tools.
• Cloud platforms (AWS/Azure/Google) desirable.
• Advanced English proficiency is required.

Responsibilities

• Lead the development and execution of strategic security initiatives to strengthen network defenses.
• Provide expert guidance on cybersecurity strategies to senior management and stakeholders.
• Maintain up-to-date security documentation and review firewall rules.
• Identify gaps in controls and support remediation plans.
• Offer advanced support on network, cryptography and data security projects.
• Ensure compliance with global cybersecurity standards and promote best practices.

Skills

Network administration

Cybersecurity

English proficiency

Cloud platforms (AWS/Azure/Google)

Network protocol analysis

Education

CISSP/CISA/CISM (desirable)

Tools

IDS/IPS

Firewalls

Proxies

Job description

Sii Poland is seeking an experienced Network Security SME to join our Cybersecurity Technology Engineering team in Cracow. In this hybrid role you will lead strategic security initiatives, guide senior management on cybersecurity strategies, and keep security design documentation up to date.

You will work with IDS/IPS, firewalls, and proxies, review network protocols, and advise on remediation for identified gaps. English proficiency is required.