Senior Network - CISCO ACI -L2

nttlimited; Mumbai; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

NTT DATA in Mumbai is seeking a Network ACI Engineer to design, implement, and support enterprise network infrastructure. You will manage Cisco ACI environments, configure routing & switching, and monitor performance to ensure high availability.

As a second-line engineer, you will handle incidents, perform root-cause analysis, participate in change management, and drive automation with CoE teams. This full-time, on-site role requires strong troubleshooting and collaboration across

Qualifications

• Minimum 5 years of networking experience.
• Cisco ACI experience is mandatory.
• Strong routing, switching and IP networking knowledge.
• Experience with Cisco Nexus switches and data center fabrics.
• Good troubleshooting and analytical skills.

Responsibilities

• Handle network operations and incident management within SLAs.
• Design, implement, and support enterprise network infrastructure.
• Configure and troubleshoot routers, switches, firewalls, and SDN components.
• Perform root cause analysis and participate in change management.
• Collaborate with cross-functional teams and maintain documentation.

Skills

Cisco ACI

Routing & Switching

TCP/IP & VLANs

Nexus switches

Troubleshooting

OSPF/BGP/HSRP

Network design

Education

Bachelor's degree in Engineering/Technology

Tools

Cisco ACI

Cisco Nexus switches

Job description

Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.

Your day at NTT DATA

As a Networking Managed Services Engineer (L2) at NTT DATA, you'll take on a developing engineering role where your main goal is to ensure our clients' IT infrastructure and systems remain operational. You'll achieve this by proactively monitoring, identifying, investigating, and resolving technical incidents and problems. You'll work closely with our clients and internal teams to ensure that services are restored swiftly, in line with our service level agreements (SLAs).

Your day will revolve around reviewing client requests and tickets, applying your technical expertise to resolve them efficiently and effectively. You'll be the go-to person for second-line support, handling incidents and requests of medium complexity. In addition to your daily tasks, you'll have opportunities to contribute to exciting project work from time to time.

You’ll proactively monitor work queues, execute operational tasks, and update tickets with the actions you've taken. Identifying, analysing, and logging issues before they escalated will be a key part of your role. You'll communicate with other teams and clients to provide support and ensure that changes are executed with clear risk identification and mitigation plans.

As part of the shift handover process, you'll highlight key tickets and upcoming critical tasks for the next shift. When needed, you'll escort tickets to ensure the right focus from our Centres of Excellence (CoE) and other teams. Collaborating with our automation teams, you'll work on optimizing efforts and automating routine tasks, all while coaching our Service desk and L1 teams in both technical and behavioural skills.

You’ll also establish monitoring for client infrastructure, leading and managing initial client escalations for operational issues. Contributing to the change management process, you'll log change requests, execute approved maintenance activities, and audit incident and request tickets for quality. Your insights will drive trend analysis reports, identifying tasks suitable for automation to reduce tickets and optimize efforts. You might also support disaster recovery functions and other related tasks as needed.

Job Description: Network ACI Engineer

Position: Network ACI Engineer

Location: Mumbai

Experience: 5+ Years

Employment Type: Full-Time

Key Responsibilities

• Design, implement, and support enterprise network infrastructure.
• Manage and troubleshoot Cisco ACI environments.
• Configure and maintain Routing & Switching technologies.
• Monitor network performance and ensure high availability.
• Perform network troubleshooting and root cause analysis for complex issues.
• Collaborate with cross-functional teams to support network projects and operational activities.
• Maintain network documentation and adhere to security and compliance standards.

Mandatory Skills

• Strong hands-on experience in Routing & Switching .
• Extensive experience with Cisco ACI (Application Centric Infrastructure) .
• Good understanding of TCP/IP, VLANs, STP, OSPF, BGP, and HSRP/VRRP.
• Experience with Cisco Nexus switches and data center networking.
• Strong troubleshooting and analytical skills.

Network Operations & Incident Management

• Handle escalations from L1 support teams and provide timely resolution.
• Monitor and manage day-to-day network operations.
• Perform incident analysis, reporting, troubleshooting, and closure within SLA timelines.
• Participate in root cause analysis and problem management activities.

Cisco ACI Administration

• Configure, manage, and troubleshoot Cisco ACI environments.
• Support fabric infrastructure, tenants, VRFs, bridge domains, contracts, and endpoint groups (EPGs).
• Monitor ACI health and performance to ensure network availability and reliability.

Configuration & Troubleshooting

• Configure and troubleshoot routers, switches, firewalls, load balancers, and SDN infrastructure.
• Diagnose and resolve network connectivity, routing, switching, and performance issues.
• Implement network changes following change management procedures.

Eligibility

• Minimum 5 years of relevant networking experience.
• Bachelor's degree or equivalent qualification in Engineering/Technology.
• Candidates who can join within 15 days will be preferred.

Location Requirement

• Must be willing to work from Mumbai .

Workplace type

On-site Working

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud