Senior Technical Architect - Network Platform

GSSTech Group; Chennai District; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

GSSTech Group seeks a Senior Technical Architect – Network Platform to lead enterprise network design, scaling, and enhancement. The role centers on core networking architecture with a strong emphasis on security, in a 70% Network / 30% Security split.

The position sits within Infrastructure Architecture and supports large-scale, mission-critical platforms, coordinating with security and operations teams to ensure robust, compliant networks.

Qualifications

• 10+ years of experience in enterprise network engineering and architecture.
• Strong hands-on and design experience with Cisco networking technologies.
• Deep understanding of LAN, WAN, DC, and enterprise routing & switching.
• Working knowledge of network security concepts including Firewalls, VPN, ZTNA (Zero Trust Network Access), STN (Secure Trust Network).

Responsibilities

• Lead the architecture, design, and enhancement of enterprise network platforms.
• Drive network scalability, performance optimization, and resilience initiatives.
• Create and maintain High-Level Design (HLD) and Low-Level Design (LLD) documentation.
• Provide architectural guidance for LAN, WAN, DC, and cloud-connected networks.
• Collaborate with infrastructure, operations, and security teams to ensure secure and stable network design.
• Review existing network architectures and recommend improvements and modernization strategies.
• Support implementation teams with design validation and technical direction.
• Ensure solutions comply with enterprise standards, governance, and best practices.
• Participate in architecture reviews and technical decision-making forums.

Skills

Network engineering

Network architecture

Cisco networking technologies

LAN/WAN/DC routing & switching

Network security concepts

Firewalls

VPN

ZTNA

STN

HLD/LLD documentation

Job description

We are seeking a Senior Technical Architect – Network Platform to lead the design, scaling, improvement, and enhancement of enterprise network infrastructure. This role focuses primarily on core networking architecture, with a secondary emphasis on network security, aligned to a 70% Network / 30% Security responsibility split. The position is part of the Infrastructure Architecture function and supports large-scale, business-critical platforms.

Key Responsibilities

• Lead the architecture, design, and enhancement of enterprise network platforms.
• Drive network scalability, performance optimization, and resilience initiatives.
• Create and maintain High-Level Design (HLD) and Low-Level Design (LLD) documentation.
• Provide architectural guidance for LAN, WAN, DC, and cloud-connected networks.
• Collaborate with infrastructure, operations, and security teams to ensure secure and stable network design.
• Review existing network architectures and recommend improvements and modernization strategies.
• Support implementation teams with design validation and technical direction.
• Ensure solutions comply with enterprise standards, governance, and best practices.
• Participate in architecture reviews and technical decision-making forums.

Required Skills & Experience

• 10+ years of experience in enterprise network engineering and architecture roles.
• Strong hands-on and design experience with Cisco networking technologies.
• Deep understanding of LAN, WAN, DC, and enterprise routing & switching.
• Working knowledge of network security concepts including:
• Firewalls
• VPN
• ZTNA (Zero Trust Network Access)
• STN (Secure Trust Network)
• Proven experience in network architecture documentation (HLD, LLD).
• Experience supporting large-scale, mission-critical environments.
• Strong stakeholder communication and technical leadership skills.

Security Exposure

• Ability to collaborate with security teams on secure network design.
• Understanding of perimeter and internal security controls.
• Experience integrating security considerations into network architecture (not a pure security role).

Preferred Qualifications

• Experience working in banking or financial services environments.
• Exposure to regulatory-driven or high-availability infrastructure platforms.
• Architecture or networking certifications (CCNP, CCIE, or equivalent) are an advantage.