Security Solutions Specialist – Network Operations (NAC & Network Security) | Tangent International | Remote / Dubai, UAE

Tangent International; Dubai; Remote; AED 180,000 - 240,000; Full time

Job summary

Tangent International is seeking a Security Solutions Specialist to support Network Operations (NAC and network security) in a remote/ Dubai-based role. The position focuses on hands-on NAC, AAA services, NGFW troubleshooting, and incident response within a large enterprise environment.

The role requires strong operational expertise across vendor platforms, network engineering, and security monitoring to ensure service availability, performance, and compliance.

Qualifications

• Hands-on with NAC platforms (FortiNAC, ClearPass, or ISE) in large enterprise settings.
• Strong knowledge of RADIUS, TACACS+, and AAA services in production networks.
• Experience with NGFW platforms and multi-vendor enterprise routing/switching.
• Understanding of EVPN-VXLAN, VLANs, TCP/IP, BGP and MPLS in data centers.
• Ability to troubleshoot production incidents and participate in runbooks.

Responsibilities

• Maintain and operate NAC platforms across enterprise environments.
• Monitor, troubleshoot, and optimize network security infrastructure.
• Manage authentication, authorization, and accounting services.
• Support RADIUS/TACACS+ authentication environments and NGFW platforms.
• Analyze incidents, perform root-cause analysis, and contribute to operational improvements.
• Document configurations and maintain runbooks for security operations.

Skills

FortiNAC

Aruba ClearPass

Cisco ISE

RADIUS

TACACS+

AAA Services

NGFW Troubleshooting

BGP

MPLS

VLANs

TCP/IP

EVPN-VXLAN

Incident Response

Stakeholder Management

Tools

Fortinet

Palo Alto Networks

Cisco

Arista

HPE Aruba

Job description

Job Title: Security Solutions Specialist – Network Operations (NAC & Network Security) | Tangent International | Remote / Dubai, UAE

Recruiting Company: Tangent International

Job Location: Remote Worldwide or Dubai, UAE (for locally based candidates)

Job Type: Contract

• Contract Duration: Initial 6 Months (Extendable)
• Work Mode: Remote or Dubai-Based
• Start Date: ASAP
• Interview Status: Interviews Taking Place Immediately
• Industry: Network Security & Enterprise Network Operations
• Environment: Multi-Vendor Enterprise Infrastructure

Position Summary Tangent International is seeking an experienced Security Solutions Specialist to support network security operations across a complex multi-vendor enterprise environment. This hands-on operational role focuses on Network Access Control (NAC), network security monitoring, troubleshooting, optimization, and incident response within a large-scale production infrastructure.

Detailed Job Description As a Security Solutions Specialist – Network Operations, you will be responsible for maintaining, troubleshooting, and optimizing enterprise network security platforms across a diverse technology landscape. The role requires strong expertise in NAC technologies, AAA services, enterprise routing and switching, next-generation firewalls, and modern data center networking architectures.

You will work closely with network operations teams, security teams, vendors, and stakeholders to ensure service availability, performance, and security compliance while supporting incident management and operational improvements. This position is ideal for engineers who have strong operational experience and enjoy working within large-scale, mission-critical environments.

Key Responsibilities

• Support and maintain Network Access Control (NAC) platforms across enterprise environments.
• Monitor, troubleshoot, and optimize network security infrastructure.
• Manage authentication, authorization, and accounting (AAA) services.
• Support RADIUS and TACACS+ authentication environments.
• Troubleshoot and maintain Next-Generation Firewall (NGFW) platforms.
• Analyze and resolve production incidents across networking and security layers.
• Support enterprise routing, switching, and network segmentation initiatives.
• Configure and troubleshoot VLAN, TCP/IP, MPLS, and BGP environments.
• Support EVPN-VXLAN deployments and data center networking architectures.
• Work with vendors and internal teams to resolve complex technical issues.
• Participate in incident response, root-cause analysis, and operational improvements.
• Ensure adherence to security standards, operational procedures, and best practices.
• Maintain technical documentation and operational runbooks.

Required Qualifications & Skills

Strong hands-on experience with:

• FortiNAC
• Aruba ClearPass
• Cisco ISE

Strong knowledge of:

• RADIUS
• TACACS+
• AAA Services

Experience with at least some of the following vendors:

• Fortinet
• Palo Alto Networks
• Cisco
• Arista
• HPE Aruba

Experience operating and troubleshooting NGFW solutions.

Strong understanding of:

• BGP
• MPLS
• VLANs
• TCP/IP

Knowledge of EVPN-VXLAN architectures.

Experience within enterprise network and security operations environments.

Strong troubleshooting and analytical skills.

Experience supporting live production networks.

Excellent communication and stakeholder-management abilities.

Nice-to-Have Skills

• Fortinet NSE Certifications.
• Palo Alto PCNSE Certification.
• Cisco CCNP Enterprise or Security Certification.
• Aruba ClearPass Professional Certifications.
• Experience within large managed services or telecom environments.
• Data Center networking experience.
• Exposure to Zero Trust and Network Segmentation initiatives.
• Experience supporting multi-vendor global infrastructure environments.

Recruitment Pro Tip

This role is heavily focused on Network Access Control (NAC) and security operations rather than security architecture. Candidates should emphasize hands-on operational experience with FortiNAC, ClearPass, or Cisco ISE, along with real-world troubleshooting of authentication issues, firewall operations, and enterprise routing environments. Quantifying the size of the networks supported, user populations managed, and critical incidents resolved can significantly strengthen your application.