Network Security Engineer (21/713)

Network Security
NAC
Zscaler

SUMMARY

📍 Poland/Remote

💰 Salary ranges: 80-250 PLN/h on B2B

💼 Various levels: Junior, Mid, Senior, Expert



PROJECT

We are supporting our client in a long-term international project focused on network security optimization and the adoption of modern security technologies such as Zscaler, Guardicore, Illumio, and MACsec. The project involves both the refinement of existing infrastructure and the deployment of new systems. You will join a coordinated delivery team covering development, operations, and consulting.


YOU WILL

  • Optimize complex proxy PAC files and validate them across environments
  • Develop and support NAC solutions (Cisco ISE)
  • Troubleshoot and improve Zscaler (ZIA/ZPA) infrastructure
  • Plan and implement agent-based micro-segmentation (e.g., Illumio, Guardicore)
  • Support the MACsec rollout in the data center/campus
  • Handle firewall rule management, change reviews, and recertification
  • Coordinate between internal teams, external providers, and customers
  • Document and communicate technical decisions at both operational and management levels


MUST HAVE

  • Experience in network security, routing, switching, DNS, and proxies
  • Familiarity with tools like Cisco ISE, Zscaler, Illumio, Fortinet, and Check Point
  • PAC-specific JavaScript, firewall rule set experience
  • Strong communication and coordination skills (written/spoken – English & German (is a plus))


NICE TO HAVE

  • Certifications: CCNP Security, CCIE, FCSS, CCSA/CCSE, Zscaler ZDTE, Illumio Core Specialist
  • Experience in large-scale deployments (>1,000 workloads)
  • Prior work with complex and security-critical environments
  • Ability to act as a sub-project lead or coordinator


OUR OFFER

  • The relocation package (4500 PLN total value) is paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory and you need to relocate from another city
  • Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport card; Life insurance

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