We are looking for an experienced Senior Network Security Engineer / NAC Consultant to support a large security project for a retail client in the Czech Republic. The objective of this project is to analyze the current network environment, design the NAC architecture, and define the implementation strategy across a distributed retail infrastructure.

Details:

Start: ASAP
Type: B2B Contract
Location: Czech Republic / Hybrid
Language: Czech, English

Responsibilities

Perform assessment of the current network infrastructure and security posture
Analyze LAN, WiFi, and switching architecture (Cisco Meraki environment)
Identify gaps related to network access control and endpoint security
Design the NAC architecture and access control policies
Define authentication mechanisms (802.1X, EAP-TLS, MAB )
Define device profiling and endpoint classification policies
Design integration with Active Directory / Microsoft Entra ID / Intune
Define implementation roadmap and rollout strategy across multiple sites
Determine the required team structure for implementation
Provide technical leadership during NAC deployment
Define post-implementation operational and maintenance processes

Requirements

Proved experience in Network Engineering / Network Security
Strong experience with Network Access Control (NAC) solutions
Experience designing and implementing NAC in enterprise environments
Experience with large distributed networks / multi-site environments
Strong understanding of:
- LAN / Campus networking
- VLAN segmentation
- RADIUS / TACACS+
- 802.1X authentication
Hands-on experience with at least one NAC platform:
- Cisco ISE
- Aruba ClearPass
- Forescout
- FortiNAC
Experience integrating NAC with enterprise identity systems (AD / Entra ID)
Strong analytical and architecture design skills
Ability to lead technical discussions with stakeholders

Nice to Have

Experience with retail environments or large branch networks
Experience with multi-site deployments (hundreds of locations)
Relevant security or networking certifications (CCNP, CCIE, CISSP, etc.)

Senior Network Security Engineer / NAC Consultant, hydrid in Prague

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