Senior L3 Security Engineer – Microsegmentation & Zero Trust

HCLTech; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Life insurance

Private medical care

MultiSport Card

Subsidy for glasses

Subsidy to language courses

Christmas and holiday bonuses

Job summary

HCLTech is seeking an Illumio L3 Security Engineer to fortify enterprise environments through Illumio microsegmentation and robust access controls. You will design, deploy, and support Illumio solutions, guiding complex troubleshooting and security posture for global clients.

The role requires deep expertise in cyber and network security, with hands-on Illumio Core experience and strong collaboration with cross-functional teams to deliver secure, scalable outcomes.

Qualifications

• Minimum 6 years in cyber security or network security.
• 3+ years hands-on Illumio Core in enterprise environments.
• Strong microsegmentation and Zero Trust expertise.
• Experience with Fortinet FortiGate and Check Point firewalls.
• Deep knowledge of TCP/IP, routing, switching, NAT and VPN.
• Proficient in Windows and Linux administration.
• Certifications such as PCNSE / Fortinet FCP / CCNP Security / CISSP.

Responsibilities

• Design, deploy and manage Illumio microsegmentation tailored to enterprise needs.
• Develop and enforce security policies, labels and rulesets for compliance.
• Map dependencies and segment workloads efficiently.
• Troubleshoot Illumio-related issues including policy configurations.
• Conduct root cause analysis for incidents and support audits.
• Collaborate with server, cloud, network and app teams for secure integration.
• Mentor L1/L2 engineers and provide escalation support.
• Stay updated with trends to improve security infrastructure.

Skills

Cyber Security

Network Security

Illumio Core

Microsegmentation

Zero Trust

Windows

Linux

TCP/IP Networking

Troubleshooting

Communication

Education

Certifications: PCNSE / Fortinet FCP / CCNP Security / CISSP

Tools

Fortinet FortiGate

Check Point

Zscaler (ZIA/ZPA)

Job description

HCLTech is seeking an Illumio L3 Security Engineer to fortify enterprise environments through Illumio microsegmentation and robust access controls. You will design, deploy, and support Illumio solutions, guiding complex troubleshooting and security posture for global clients.

The role requires deep expertise in cyber and network security, with hands-on Illumio Core experience and strong collaboration with cross-functional teams to deliver secure, scalable outcomes.