Director, Network Architecture

4 days ago

Bengaluru, Karnataka, India London Stock Exchange Group Full time ₹ 15,00,000 - ₹ 20,00,000 per year
Role Profile

Key Responsibilities
  • Architect and design enterprise-grade Wi-Fi networks, ensuring robust performance, security, and scalability across large enterprise campuses or distributed office environments.
  • Lead the design and deployment of low-latency Layer 2/3 LANs within data centres, with a solid focus on Arista EOS, spine-leaf topologies, and latency-sensitive applications.
  • Define network architecture standards, configuration templates, and deployment guidelines.
  • Collaborate with IT design and engineering, product managers, solution managers, cybersecurity, and business units to ensure network solutions meet business and customer functional, performance, and compliance requirements.
  • Evaluate new networking technologies and make recommendations aligned with business strategy and future growth.
  • Develop detailed architecture and network diagrams, HLDs and documentation for handover and engineering support.
  • Lead troubleshooting and root cause analysis of sophisticated network issues and priority one service incidents.
  • Mentor junior engineers and provide technical leadership across projects.
Required Skills & Experience
  • Confirmed experience designing and deploying enterprise Wi-Fi networks (e.g. Cisco, Aruba, Ruckus), including sophisticated wireless controller configurations, RF planning, and roaming optimization.
  • Strong expertise in Arista Networks technologies, including EOS, CloudVision, VXLAN EVPN, and ultra-low-latency switch configurations.
  • Deep understanding of network architecture principles including segmentation, QoS, multicast, high availability, and routing protocols BGP/OSPF/ISIS.
  • Experience in data centre network design, especially spine-leaf architctures, east-west traffic optimization, and performance monitoring.
  • Solid grasp of network security standard methodologies, including NAC (e.g. ClearPass), WPA3, and RADIUS.
  • Familiarity with automation tools and network programmability (e.g. GitLab, Ansible, Python, API integration).
  • Ability to lead cross-functional technical projects from architectural concept to deployment.
  • Relevant certifications (e.g. CCNP/CCIE, Arista ACE, CWNA/CWDP) helpful.
Soft Skills:
  • Good oral and written communication skills to engage with technical and non-technical collaborators.
  • Strategic problem solver with the ability to align technical initiatives with business objectives.
Preferred Qualifications
  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.
  • Experience in environments requiring ultra-low latency (e.g. high-frequency trading, real-time analytics).
  • Knowledge of SDN, container networking, and integration with cloud platforms (AWS, Azure).
Additional Requirements:
  • Ability to handle multiple projects and meet timelines.
  • Ability to work under pressure, financial and tight timelines
  • Willingness to travel occasionally for business needs.
WHAT YOU'LL GET IN RETURN:
  • Learning portal access O'Reilly, Udemy, QA, Cisco certifications, cloud training, etc.
  • On premise and cloud hands on learning and experience
  • Great automation opportunities.
  • Opportunities for career progression.
  • Location specific benefits.
LSEG Purpose and Values

Integrity,PartnershipExcellenceChange

Integrity, Partnership Excellence Change

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