Sr Manager

4 days ago

Chennai, Tamil Nadu, India Tata Communications Full time ₹ 20,00,000 - ₹ 25,00,000 per year

About The Company
Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

As a Senior Manager / Sr. Network Architect, you will lead the design, implementation, and support of complex data center network infrastructures leveraging cutting-edge technologies such as Cisco ACI, VMware NSX, and OpenStack Neutron. You will be responsible for architecting scalable, secure, and high-performance solutions across multiple data centers, driving innovation through software-defined networking (SDN), automation, and cloud integration.

Key Responsibilities
Architecture & Design

  • Architect and lead end-to-end data center network solutions using Cisco ACI, VMware NSX, and OpenStack Neutron.
  • Design scalable SDN-based infrastructure with Spine-Leaf architecture and VXLAN-EVPN overlays.
  • Develop best-practice network architecture models aligned with industry standards and emerging trends.
  • Evaluate and select new technologies, tools, and services to enhance network capabilities.

Implementation & Operations

  • Plan, deploy, and manage data center networks including Nexus 2K/5K/7K/9K platforms.
  • Implement and troubleshoot ACI components (Tenants, VRFs, BDs, APIC, L2Out/L3Out).
  • Integrate ACI with VMM domains and L4-L7 services including firewalls and load balancers.
  • Perform advanced troubleshooting across DC Switching, Cloud Services, and Compute environments.

SDN & Virtualization Expertise

  • Deep working knowledge of virtualized networking platforms: VMware NSX, OpenStack Neutron.
  • Experience with routing protocols: MP-BGP, OSPF, EIGRP.
  • Hands-on experience with ACI multi-pod and multi-site architectures.
  • Functional knowledge of Infrastructure-as-Code (IaC) for ACI deployments.

Security & Load Balancing

  • Expertise in firewall technologies: FortiGate, Palo Alto.
  • In-depth understanding of F5 and AVI load balancers, including custom VIP configurations and deployments.
  • Strong knowledge of L4-L7 services and integration with SDN platforms.

Automation & Documentation

  • Experience with network automation using Python, Ruby, or tools like Ansible.
  • Maintain comprehensive documentation including architecture diagrams, technical designs, and operational procedures.
  • Conduct regular reviews and updates of deployed systems and documentation.

Leadership & Collaboration

  • Lead and mentor a team of network engineers and architects.
  • Drive project execution across multiple data centers, ensuring timely delivery and quality.
  • Collaborate effectively with OEMs, vendors, partners, and cross-functional teams.
  • Handle escalations, perform RCA, and ensure resolution of critical incidents.

Required Skills & Qualifications

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.
  • 12+ years of relevant experience in data center networking and SDN.
  • Certifications: CCNP/CCIE Data Center, VMware VCP-NV (mandatory).
  • Strong analytical, troubleshooting, and packet-level debugging skills (Wireshark, etc.).
  • Experience in managing large-scale projects and cross-functional teams.

Preferred Skills

  • Experience in scripting and automation (Python, Ruby).
  • Exposure to cloud and virtualization technologies.
  • Ability to create technical presentations, architecture documents, and project plans.

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