Senior Network - CISCO ACI -L2

NTT Limited; Mumbai; On-site; INR 900,000 - 1,300,000; Full time

Job summary

NTT DATA in Mumbai is seeking a Networking Managed Services Engineer (L2) responsible for keeping client IT infrastructure up and running. You’ll monitor, investigate, and resolve incidents, provide second-line support, and collaborate with CoE and automation teams.

You will handle change management, ticket updates, and trend analysis, while coaching L1 teams and contributing to project work. This role is on-site in Mumbai and requires a strong network engineering background.

Qualifications

• 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.

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.

Skills

Routing & Switching

Cisco ACI

TCP/IP

VLANs

OSPF

BGP

HSRP/VRRP

Cisco Nexus

Data center networking

Troubleshooting

Analytical skills

Education

Bachelor's degree in Engineering/Technology

Job description

Make an impact with NTT DATA

Join 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 elevate 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 elevate 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, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

Innovation and Future

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society? Join our growing global NTT family and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future. We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future. You’ll be joining a global employer that is committed to attracting, growing and keeping the best talent. A place where you will be at the heart of our success!