Arista Network Engineer

2 weeks ago

Chennai, India Tata Consultancy Services Full time

Job Summary:

We are seeking a highly skilled Senior Network Engineer with 9+ years of expertise in Arista infrastructure to roll out deployments, life cycle management, migrations and drive the incident, major incident, problem and service request management. This role will play a critical part in ensuring high availability, security, scalability and modernization of our network while minimizing risks associated with outdated hardware.

Key Responsibilities:

  • Network Design & Standardization: Develop and implement a standardized switch architecture to enhance performance, scalability, and operational efficiency across data centers.
  • Routing & Switching Optimization: Configure and manage Arista switches, leveraging BGP, OSPF, VXLAN, EVPN, MLAG, and QoS to optimize data flow and redundancy.
  • Security & Compliance: Implement and enforce best practices for network security, ensuring compliance with industry regulations and corporate policies.
  • Migration & Implementation: Lead network migration projects, ensuring smooth transitions from legacy systems to standardized Arista-based infrastructure.
  • Troubleshooting & Performance Monitoring: Proactively identify and resolve network issues using Arista CloudVision, telemetry, and automation tools.
  • Infrastructure Lifecycle Management: Identify, assess, and replace end-of-life (EOL) and end-of-support (EOS) Arista switches, ensuring minimal disruption to business operations.
  • Automation & Scripting: Utilize Python, Ansible, or other automation frameworks to streamline network deployments and maintenance.
  • Collaboration & Documentation: Work closely with cross-functional teams, providing technical guidance while maintaining accurate documentation of configurations and policies.

Required Skillsets:

1. Arista Networking Expertise

  • Deep knowledge of Arista EOS, CloudVision (CVP), and Arista hardware platforms.
  • Experience with Multi-Chassis Link Aggregation (MLAG), VXLAN/EVPN, and Zero-Touch Provisioning (ZTP).

2. Routing & Switching

  • Strong experience with BGP, OSPF and redistribution route tags for dynamic routing in enterprise and data center environments.
  • Proficiency in Layer 2/3 switching, VLANs, STP, and QoS policies.

3. Network Infrastructure Lifecycle Management

  • Experience in identifying, planning, and replacing unsupported (EOL/EOS) network hardware.
  • Ability to assess risks, design migration strategies, and implement upgrades with minimal disruption.

4. Network Automation & Scripting

  • Familiarity with Python, Ansible, and Terraform for automating deployments and configurations.
  • Understanding of APIs and scripting for network automation in large-scale environments.

5. Troubleshooting & Performance Monitoring

  • Strong problem-solving skills using Arista CloudVision, telemetry, and network monitoring tools (e.g., SolarWinds, Splunk, Wireshark ( gNMI ).
  • Ability to diagnose and resolve complex routing, switching, and security issues.

6. Security & Compliance

  • Knowledge of ACLs, firewall policies, segmentation strategies, and best practices for securing network infrastructure.
  • Experience ensuring compliance with financial, healthcare, or industry-specific regulations (e.g., PCI-DSS, ISO 27001).

Beneficial Skills (Desired Skills): Certifications (Preferred, but not mandatory)

· Arista Certified Engineer (ACE L3/5)

· Cisco CCNP/CCIE (Enterprise infrastructure or routing and switching)

· CVP Skillsets

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