Job Title: Network Architect

Location: Ahmedabad, Gujarat

Shift Time: 6:30 AM - 2:30 PM (Friday to Tuesday)

Employment Type: Full-Time

Job Purpose

• The Core Network Infrastructure Engineer will be part of the Core Network Infrastructure team, responsible for delivering and supporting projects within a dynamic service provider environment.
• The role focuses on high-capacity connectivity, IP/MPLS, and Optical Transmission networks, while also providing advanced-level support to engineering and operations teams.
• The position is based offshore, with working hours aligned to partially overlap with UK business hours to ensure effective cross-team collaboration and to support out-of-hours maintenance windows for critical network changes.

Key Responsibilities

• Deliver assigned core network projects involving planning, implementation, and remote execution of network changes.
• Perform network change planning and execute changes remotely in line with approved change management processes.
• Liaise with internal stakeholders and external suppliers/vendors as required to ensure successful project delivery.
• Carry out software upgrades on IP and Optical network elements during scheduled out-of-hours maintenance windows.
• Remotely oversee hardware upgrades and replacements on IP and Optical network infrastructure.
• Provide remote support for changes and upgrades within Fixed Networks, including PON-based topologies.
• Participate in out-of-hours work as required to support maintenance and network upgrade activities.
• Support engineering operations teams by providing advanced technical expertise.
• Undertake any other reasonable tasks or duties assigned by the line manager or senior management.

Required Skills & Experience

• Proven experience working within a Service Provider (ISP/Telco) environment supporting core network architectures.
• Experience operating within a multi-vendor network environment, with hands-on exposure to Cisco and Nokia platforms.
• Strong foundational networking knowledge with a continuous learning mindset.
• Advanced understanding of routers, switches, and network security concepts.
• Solid experience with Ethernet and IP/MPLS protocols, including design and operational support.
• Advanced knowledge and configuration experience with routing protocols:
• BGP
• OSPF
• IS-IS
• Strong expertise in IP addressing and subnetting, including IPv4 and IPv6.
• Advanced knowledge of switching technologies:
• Spanning Tree Protocol (STP)
• VLANs
• IEEE 802.1Q (Dot1q)
• QinQ
• Good understanding of additional network principles such as DNS and MX records.

Experience with service provider technologies, including:

• VPLS (E-LAN)
• E-Line
• L3 VPN
• EVPN
• DSL
• VRRP

Hands-on experience with:

• Nokia 7450 and 7750 platforms
• F5 BIG-IP
• FortiGate / Fortinet firewalls