Network Security Engineer

Tata Consultancy Services; Dubai; On-site; AED 120,000 - 180,000; Full time

Job summary

Tata Consultancy Services (TCS) is seeking an experienced network security professional to design, implement, and support enterprise-grade solutions across multi-vendor environments.

The role covers firewalls, VPNs, NAC, 802.1X, and wireless/WAN technologies, with focus on cloud networking and data center architectures. TCS offers exposure to large-scale projects and career growth opportunities.

Qualifications

• CCNP Security/CCIE Security preferred.
• PCNSE, Fortinet NSE/FCSS, F5 Certified Administrator desirable.
• Aruba Edge Connect Certification preferred.

Responsibilities

• Design, implement, and support enterprise network and security solutions.
• Manage and troubleshoot firewalls: Palo Alto, FortiGate, Cisco FTD/ASA, Forcepoint.
• Configure and support various VPNs, 802.1X, NAC, RADIUS and device profiling.
• Support Data Center networks and multi-vendor cloud networking (Azure, OCI, IBM).
• Lead SD-WAN initiatives including Aruba Edge Connect and Silver Peak.

Skills

CCNP Security

PCNSE

Fortinet NSE / FCSS

F5 Certified Administrator

Tools

Cisco ISE

Aruba Edge Connect

Job description

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 50 years. TCS offers a consulting-led, cognitive powered, integrated portfolio of business, technology and engineering services and solutions. This is delivered through its unique Location Independent Agile™ delivery model, recognized as a benchmark of excellence in software development.

A part of the Tata group, India's largest multinational business group, TCS has over 616,171 of the world’s best-trained consultants with 157 nationalities in 53 countries. For more information, visit www.tcs.com and follow TCS news at @TCS_News.

Job Description:

Key Responsibilities:

• Design, implement, and support enterprise network and security solutions.
• Manage and troubleshoot next-generation firewalls: Palo Alto, FortiGate, Cisco Firepower (FTD), Cisco ASA, Forcepoint.
• Configure and support Site-to-Site VPN, Remote Access VPN, SSL VPN, IDS/IPS solutions, Security Policies and Threat Prevention.
• Administer Cisco ISE for NAC, TACACS+, RADIUS, 802.1X Authentication, and Device Profiling.
• Support enterprise Routing & Switching environments: BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP, QoS.
• Design and manage Data Center Networks: Cisco Nexus 5K/7K/9K, Cisco ACI, VXLAN EVPN, Spine-Leaf Architecture.
• Implement and maintain F5 BIG-IP solutions: LTM, GTM/DNS, SSL Offloading, Load Balancing, High Availability, Certificate Management.
• Deploy and support cloud networking across Microsoft Azure, Oracle Cloud Infrastructure (OCI), IBM Cloud.
• Manage enterprise wireless environments: Cisco Wireless, Aruba Wireless, ExtremeCloud IQ.
• Configure and support Aruba Edge Connect (Silver Peak) SD-WAN including Business Intent Overlays, Path Conditioning, WAN Optimization, Orchestrator Management, Upgrade & Lifecycle Management.

Required Skills:

• Network Access Control: Cisco ISE, NAC, TACACS+, RADIUS, 802.1X.
• Routing & Switching: BGP, OSPF, EIGRP, LAN/WAN, Enterprise Networking.
• Wireless: Cisco Wireless, Aruba Wireless, ExtremeCloud IQ.
• SD-WAN: Aruba Edge Connect, Silver Peak.

Preferred Certifications:

• CCNP Security / CCIE Security
• PCNSE
• Fortinet NSE / FCSS
• F5 Certified Administrator
• Aruba Edge Connect Certification

What We Offer

• Opportunity to work on enterprise-scale infrastructure projects.
• Exposure to multi-vendor networking and security technologies.
• Cloud, Data Center, and SD-WAN transformation initiatives.
• Collaborative and innovative work environment.
• Career growth and professional development opportunities.

Application Deadline: 20-November-2026

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