Senior Network Security Engineer – Cloud and On-Premises Expertise

Krakow-based opportunity with a hybrid work model of up to 4 remote days per week.

As a Senior Network Security Engineer, you will work within the Cybersecurity Capability Engineering team, designing and implementing advanced network security solutions across cloud, on-premises, and container environments. You will contribute to robust cybersecurity infrastructure and organizational resilience.

Responsibilities

• Design and provision network security policies aligned with zero-trust principles.
• Implement and maintain network segmentation technologies for on-premises, cloud, and container environments.
• Document high-level and detailed network designs, procedures, and security standards.
• Conduct product evaluations and proof of concepts for emerging network security technologies.
• Collaborate with vendors on product design, features, and defect resolution.
• Support deployment, testing, and maintenance of security agents using enterprise deployment tools.
• Troubleshoot complex network environments and provide analysis and remediation strategies.
• Coordinate with system areas and vendors on planning, upgrades, and testing.
• Implement solutions that support organizational and industry regulatory compliance.
• Deliver formal training, workshops, and mentoring.
• Improve cyber-threat detection and response capabilities.
• Lead delivery of product enhancements with timely, high-quality outcomes.

Qualifications

• At least 10 years of experience designing and implementing network segmentation strategies for on-premises, cloud, and container environments.
• Proficiency with Checkpoint, ASA, or host-based firewalls such as Illumio and Guardicore in large, complex environments.
• Strong knowledge of cybersecurity frameworks and technologies, including IDS/IPS, web application security, vulnerability scanners, and anti-malware systems.
• Hands-on Linux administration and Python scripting experience.
• Familiarity with Scrum, version control, CI/CD, and DevOps.
• Excellent network troubleshooting skills.
• Ability to work effectively in a fast-paced environment with shifting priorities and aggressive timelines.
• Strong communication and documentation skills.
• Proven ability to lead project delivery and product improvements.

Preferred Qualifications

• CISSP, CISM, or equivalent certification.
• Experience with additional security tools and frameworks.

Language and Eligibility

• Fluent English, written and spoken.
• Existing legal right to work in the European Union.