Routing & Switching - Network Engineering Advisor

NTT DATA, Inc.; Singapore; On-site; SGD 150,000 - 210,000; Full time

Job summary

NTT DATA Services in Singapore is seeking a Routing & Switching - Network Engineering Advisor to join our team. You will work on enterprise-grade routing, switching, wireless, and firewall solutions in a dynamic, 24x7 environment.

The role emphasizes Cisco ACI and Nexus 9k data centre networks, Palo Alto firewalls, SD-WAN, and cross-functional collaboration with project managers to deliver migration and deployment projects. A strong background in ITIL processes and documentation is essential.

Qualifications

• 10+ years managing LAN/WAN infrastructures.
• 10+ years on routing, switching, and wireless.
• 10+ years experience with Palo Alto.
• 5+ years experience with Cisco ACI.

Responsibilities

• Design and support routing, switching, wireless, and firewall solutions.
• Implement Cisco ACI network architecture components.
• Manage Palo Alto firewall configurations and policies.
• Support data centre networks using Cisco ACI and Nexus 9k.
• Develop migration plans from traditional data centre designs to Cisco ACI.
• Integrate service appliances with Cisco ACI deployments (Application Delivery Controllers & Firewalls).
• Collaborate with project managers and cross-functional teams to ensure project success.
• Document escalated tickets and resolutions in ServiceNow.
• Demonstrate adaptive, communication, presentation and leadership skills.
• Travel as required and work in a 24x7 environment.

Skills

Routing & Switching

Wireless

Firewalls

Networking

SD-WAN

Nexus 9k

Cisco ACI

Palo Alto

LAN/WAN

ITIL & Change Management

Education

Bachelor's degree in Computer Science or equivalent

Tools

Cisco ACI

Nexus 9k

Palo Alto

Job description

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.

Routing & Switching - Network Engineering Advisor

Date: Aug 28, 2026

Company: NTT DATA Services

We are currently seeking a Routing & Switching - Network Engineering Advisor to join our team in Singapore, Central Singapore (SG-01), Singapore (SG).

Role Responsibilities:

• Must have great experience on Routing & Switching & Wireless and Firewalls.
• Responsible for the Cisco ACI network architecture component(s)
• Must have Palo Alto Experience.
• Understand and support Data Centre Networks utilizing Cisco Application Centric Infrastructure and Nexus 9k platforms.
• Contribute to the development and performance of a migration plan from traditional data centre network designs to Cisco ACI.
• Integrate service appliances to Cisco ACI deployments to include Application Delivery Controllers and Firewalls.
• G0od understanding of Inter and Intra Tenant traffic flows, contracts
• Experience in L2 outs, L3 outs, VMM integration
• Must be expert of routing, switching, wireless, LAN and WAN, i.e. L2 (Wireless IEEE 802.11 a, Ethernet, IEEE 802.1x std. STP, MSTP, RSTP, Dynamic VLAN, HSRP/VRRP.) / L3 (Routing protocols such as EIGRP, OSPF, BGP.), NEXUS, SD-WAN
• Ensuring all configurations are in compliance with network standards, reviewing log files, SD-WAN, LAN, WAN, NMS
• Participate in the setup, deployment, maintenance, troubleshooting and documentation of enterprise-level, mission-critical, network infrastructure components
• Looking to have strong knowledge of SDWAN (Hands-on) and Wireless
• Teaming with project managers, cross-functional technology and business teams to ensure successful projects
• Owning and documenting escalated support tickets and service requests through resolution via ServiceNow
• Adaptive, communication, presentation and leadership skills
• Full understanding of WAN/LAN internetworking, protocol interoperability, network architecture development and requirements for testing / proof of concept
• Knowledge of Wireless, Nexus, SD-WAN
• Working knowledge of Networking products from Cisco, Dell & Extreme Networks
• Skills and knowledge and adherence to ITIL & Change Management processes
• Excellent communication skills, both written and oral
• Strong customer service skills; interfaces with customers, end users, partners and associates
• Additionally, the candidate must work well within a team, adapt easily to change, and possess the flexibility to travel. Candidate should have a history of working unsupervised while achieving required goals
• Rotating on-call, support queue management, preforming network system analysis and reporting
• Willing to work in 24X7 environment

Basic Required Qualifications:

• 10+ years of experience on managing LAN & WAN Infrastructures
• 10+ years’ experience on Routing & Switching, Riverbed & Wireless
• 10+ years of experience on Palo Alto
• 5+ years on experience on Cisco ACI

Highly Preferred Skills:

• Preferred knowledge of VELO Cloud (Hands-on) and Wireless
• Adaptive, communication, presentation, and leadership skills
• Project experience for SDN Infra & Networking
• Degree: Bachelors in Computer Science or equivalent work experience

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 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us .

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .

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