Senior Network Engineer I - Arista Data Center [T500-30054]

About Us:

Marriott International Inc. , headquartered in Bethesda, Maryland, USA, was founded in May 1927 by J. Willard Marriott and Alice S. Marriott with a modest nine-seat A&W root beer stand. Guided by the family’s leadership and core principles, Marriott International today has grown into a global hospitality giant, operating approximately 10,000 properties and over 30 leading brands in more than 140 countries and territories.

From such humble beginnings to becoming the world’s largest hotel company, Marriott International has never stopped searching for inventive ways to serve its customers, provide opportunities for its associates, and grow their business. At Marriott Tech Accelerator center (MTA), Hyderabad, India, Marriott is exploring the world we live in and all its possibilities. At Marriott Tech Accelerator, we are a team of passionate engineering minds dedicated to creating and building cutting-edge solutions that streamline operations and elevate guest experiences.

Marriott Tech Accelerator is an ANSR entity incorporated exclusively for providing services to Marriott International.

Role Title Senior Network Engineer I Experience Range 4-9 years Work Location Hyderabad, India

Work Mode: Hybrid

Senior Network Engineer – Data Center & CoLo Networks:

Position Summary:

We are seeking a highly skilled and hands-on Senior Network Engineer to design, implement, operate, and optimize large-scale Data Center and Colocation network environments. The primary focus of this role is on Arista Spine-Leaf fabric architecture utilizing VXLAN EVPN and BGP, along with the administration of Arista Cloud Vision (CVP) for centralized fabric management and automation.

The ideal candidate will possess strong expertise in modern Data Center networking technologies and operational experience with Arista switching platforms, complemented by working knowledge of Cisco routing and switching, F5 load balancers, Palo Alto firewalls, and network automation frameworks.

Key Responsibilities:

Arista Fabric Architecture, VXLAN and Cloud Vision (Primary Focus):

• Design, deploy, and support Data Center Spine-Leaf architectures using Arista switching platforms.
• Implement and maintain VXLAN EVPN-based network fabrics.
• Design and troubleshoot BGP underlay and EVPN overlay architectures.
• Deploy and support scalable Layer 2 and Layer 3 Data Center network services.
• Configure and troubleshoot:
• VXLAN , EVPN, BGP, MLAG, ECMP, VRFs, OSPF, Route redistribution
• Perform fabric expansion, migration, and modernization initiatives.
• Develop network standards and architecture best practices.
• Administer and maintain Arista Cloud Vision Portal (CVP).
• Manage Configlets, Containers, Studios, Change Control, and Compliance workflows.
• Perform fabric provisioning, configuration management, backup, and lifecycle activities.
• Utilize Cloud Vision telemetry and analytics for proactive monitoring and troubleshooting.
• Establish operational baselines and network health dashboards.
• Plan and execute Arista EOS software upgrades.
• Perform hardware refresh and lifecycle replacement activities.
• Develop implementation plans, validation procedures, rollback strategies, and post-change reviews.
• Lead maintenance activities with minimal business disruption.
• Support production Data Center and Colocation environments.
• Participate in major incident response and root cause analysis.
• Monitor and improve network availability, resiliency, and performance.
• Collaborate with Cloud, Security, Storage, Compute, and Application teams.
• Maintain network documentation, diagrams, and operational runbooks.

Secondary Technology Responsibilities:

Cisco Networking Administer and manage Cisco Nexus Data Center & Catalyst switching platforms, Support Cisco ASR routing platforms.

• Troubleshoot enterprise routing and switching issues.
• Participate in Data Center Interconnect (DCI) and WAN connectivity initiatives.

Load Balancing Administer and troubleshoot: F5 LTM, F5 GTM / DNS

• Support virtual servers, pools, monitors, iRules, SSL offloading, and DNS load balancing.

Security Platforms Administer and manage Palo Alto firewalls.

• Troubleshoot routing, NAT, security policies, and network segmentation.
• Partner with security teams on firewall architecture and compliance initiatives.

Network Automation & Infrastructure as Code:

• Collaborate with DevOps team and …