Senior Network Cybersecurity Engineer (f/m/x)

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

We are looking for an experienced Network Security Subject Matter Expert (SME) to join our Cybersecurity Technology Engineering team in Cracow. In this role, you will play a crucial part in protecting the organization's brand, shareholder value, and financial assets by implementing and maintaining security measures across the network infrastructure. You will work in a hybrid model, collaborating with a diverse team and contributing to strategic security initiatives. If you are passionate about cybersecurity and have a strong background in network administration, this opportunity may be the right fit for you.

Your tasks

• 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

Requirements

• Minimum 5 years of experience in network administration and cybersecurity
• Extensive understanding of cybersecurity controls and industry trends
• Proficiency with cybersecurity technologies such as IDS/IPS, firewalls, and proxies
• In-depth knowledge of network protocols (e.g., TCP, UDP, DNS) and network protocol analysis tools
• Experience with cloud computing platforms like AWS, Azure, or Google is desirable
• Proven ability to create comprehensive reports, document findings, and provide strategic recommendations
• Advanced industry certifications such as CISSP, CISA, or CISM, or equivalent are highly desirable
• Advanced level of English
• Willingness to work in a hybrid model at the Kraków office three times per month

Nice to have

• Experience in IT or cybersecurity within a financial or regulated environment

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care