Senior Network and Security Engineer

Universal-Investment; Kraków; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private health care

Travel insurance

Job summary

Universal-Investment in Kraków seeks a Senior Network & Security Engineer to secure and optimize our global enterprise network and security footprint. You will lead firewall administration, vulnerability remediation, and hybrid cloud connectivity with Azure while partnering with infrastructure, cloud, and security teams.

The role emphasizes Check Point, F5 WAF, VPN, MFA, and PKI expertise, with responsibilities spanning policy management, incident investigation, and compliance support in a

Qualifications

• 5+ years of experience in Network Security, Firewall Administration, or Network Engineering.
• Strong hands-on experience with Check Point Firewall administration, including SmartConsole, Management Server, and Gateway management.
• Experience with VPN technologies, F5 WAF, MFA, NAC, proxy solutions, and certificate management.
• Solid understanding of Cisco networking technologies, TCP/IP, BGP, OSPF, HSRP, VLANs, and enterprise networking concepts.
• Experience with Cisco SDA, Cisco ACI, data center networking, and hybrid Azure networking environments.
• Strong troubleshooting, analytical, and problem-solving skills.
• Knowledge of ITIL processes and experience working in enterprise or regulated environments.
• Professional English proficiency and excellent stakeholder communication skills.
• Relevant certifications such as CCSA/CCSE, CCNA/CCNP, F5 BIG-IP, or ITIL Foundation are advantageous.
• Exposure to Azure networking, SASE/SSE, Zero Trust concepts, and financial services environments is a plus

Responsibilities

• Administer, maintain, and optimize Check Point Firewalls, F5 WAF, VPN, MFA, NAC, proxy solutions, and PKI services.
• Manage firewall policies, security rules, upgrades, patching, and security hardening activities.
• Support vulnerability remediation, security incident investigation, and audit/compliance requirements.
• Operate and troubleshoot enterprise network infrastructure, including LAN, WAN, wireless, and Internet connectivity.
• Support Cisco networking technologies, including routing, switching, SDA, ACI, and high-availability network services.
• Manage hybrid connectivity between on-premises environments and Microsoft Azure.
• Monitor network and security performance, perform root cause analysis, and resolve complex issues.
• Maintain technical documentation and support Incident, Problem, Change, and Vulnerability Management processes.
• Collaborate with cross-functional teams on infrastructure projects, migrations, and operational improvements.
• Participate in on-call support and act as an escalation point for network and security-related incidents.

Skills

Network security

Firewall administration

Troubleshooting

Stakeholder communication

ITIL processes

Tools

Check Point Firewall

SmartConsole

Management Server

Gateway management

F5 BIG-IP

VPN technologies

NAC

PKI services

Cisco SDA

Cisco ACI

Job description

We are seeking an experienced Senior Network & Security Engineer to join our IT Infrastructure & Operations team. In this role, you will be responsible for the administration, support, and continuous improvement of our enterprise security and network infrastructure, with a strong focus on Check Point Firewalls and network security technologies. You will help ensure the availability, performance, and security of our global environment while supporting hybrid networking across on-premises and Microsoft Azure platforms. Working closely with infrastructure, cloud, and security teams, you will contribute to operational excellence, compliance, and ongoing technology transformation initiatives.

Your tasks and responsibilities:

• Administer, maintain, and optimize Check Point Firewalls, F5 WAF, VPN, MFA, NAC, proxy solutions, and PKI services.
• Manage firewall policies, security rules, upgrades, patching, and security hardening activities.
• Support vulnerability remediation, security incident investigation, and audit/compliance requirements.
• Operate and troubleshoot enterprise network infrastructure, including LAN, WAN, wireless, and Internet connectivity.
• Support Cisco networking technologies, including routing, switching, SDA, ACI, and high-availability network services.
• Manage hybrid connectivity between on-premises environments and Microsoft Azure.
• Monitor network and security performance, perform root cause analysis, and resolve complex issues.
• Maintain technical documentation and support Incident, Problem, Change, and Vulnerability Management processes.
• Collaborate with cross-functional teams on infrastructure projects, migrations, and operational improvements.
• Participate in on-call support and act as an escalation point for network and security-related incidents.

Your skills and experience:

• 5+ years of experience in Network Security, Firewall Administration, or Network Engineering.
• Strong hands-on experience with Check Point Firewall administration, including SmartConsole, Management Server, and Gateway management.
• Experience with VPN technologies, F5 WAF, MFA, NAC, proxy solutions, and certificate management.
• Solid understanding of Cisco networking technologies, TCP/IP, BGP, OSPF, HSRP, VLANs, and enterprise networking concepts.
• Experience with Cisco SDA, Cisco ACI, data center networking, and hybrid Azure networking environments.
• Strong troubleshooting, analytical, and problem-solving skills.
• Knowledge of ITIL processes and experience working in enterprise or regulated environments.
• Professional English proficiency and excellent stakeholder communication skills.
• Relevant certifications such as CCSA/CCSE, CCNA/CCNP, F5 BIG-IP, or ITIL Foundation are advantageous.
• Exposure to Azure networking, SASE/SSE, Zero Trust concepts, and financial services environments is a plus

What we offer:

• Private health care and travel insurance