Senior Network Security Engineer

Job Summary:
We are seeking a highly skilled and motivated Senior Network & Security Engineer to join our team in the Network Operations and Engineering function. The ideal candidate will play a key role in implementing and maintaining our organization's network infrastructure. The role involves working collaboratively with cross-functional teams to ensure the reliability, scalability, and security of the network.

Roles & Responsibilities:
Part of a team that is responsible for the Network Engineering, Operations & Deployment function and supporting Datacenter, Campus, Remote Offices and Public Cloud Network.

This is a technical hands-on role in the Network Services team as Senior Network & Security Engineer.

• Lead network deployment projects, ensuring timely and successful implementation of network solutions.
• Work closely with vendors and third-party providers for Solution Architecture, Equipment procurement and installation.
• Provide Tier-3 support for Network & Security related issues and participate in a rotating Network Operations on-call schedule, including weekends, supporting a multi-vendor network for Enterprise Network.
• Create, maintain and review High Level Design, Low Level Design & Operational practices across the teams.
• Drive network operations and day-to-day task efficiencies through Automation.
• Experience in deploying and working with AI tools applied to network operations, including AIOps platforms, AI-assisted troubleshooting, and anomaly detection
• Experience in the deployment and configuration of Model Context Protocol (MCP) servers to enable large language models to interact with and query network infrastructure and operational data is highly desirable.

Preferred Qualifications:

• A bachelor’s degree and 8 -14 years of experience in core Network technologies including Cisco ACI, Checkpoint & Palo Alto Firewalls, F5 Load balancer & WAF.
• Demonstrated experience in leading and managing complex network for Datacenter or Public cloud migration projects.
• Proven ability to implement and oversee large-scale network deployments.
• One or more of the following Certifications
• CCIE, CCNP, PCNSE, CCSE, AWS Certified Advanced Networking Specialty or equivalents
• Strong fundamental knowledge in LAN, WAN and Network Security technologies and products.
• Excellent project and vendor management skills.
• Excellent written and verbal communication skills with demonstrated ability to influence and communicate effectively with non-technical audiences and senior management.

Mandatory Skillsets:

• Expertise in Cisco ACI Multi Pod / Multi Site deployments.
• Expertise in Application Delivery Network products – F5 Load balancers & WAF
• Expertise in managing Checkpoint & Palo Alto Firewalls & IPS

Good to have Skillsets:

• Experience in Application Delivery Network products –Bluecoat Proxy & Akamai CDN.
• Experience in managing Infoblox IPAM, DNS, DHCP solutions.
• Experience in managing Micro segmentation products like Illumio and Guardicore.
• Experience in managing Voice Infrastructure with Cisco CUCM and Verint Recorders.
• Experience in managing network management systems like SolarWinds, Riverbed & Thousand Eyes.
• Experience in performing Deep packet capture analysis using Wireshark or Similar products.
• Experience in Network Automation using Ansible & Terraform.
• Experience in managing Network Security Products like NAC, ISE & Algosec.

NTT Singapore Pte Ltd (NTTS)

is the regional headquarters of NTT Communications Corporation (NTT Com) for Asia Pacific Region.

Established in 1997, NTT Singapore has more than 10 years of expertise in providing information and communications technology (ICT) solutions worldwide.

NTT Singapore offers diverse high-quality connectivity, data centre solutions, security services, IT management services, voice and conferencing solutions and solution integration services to its enterprise customers.

NTT Communications is a wholly owned subsidiary of Nippon Telegraph and Telephone Corporation (NTT Corp.), one of the world’s largest providers of telecommunications services.

In 2013, NTT Corp. is ranked no.1 in telecom industry in the Fortune Global 500* list with operating revenues of more than $133,077 million. It is positioned 32nd among the top 500 corporations worldwide.

NTT Com's extensive global infrastructure includes Arcstar secure private networks, which cover 196 countries/regions and a tier-1 IP backbone network connected with major ISPs worldwide, as well as secure data centers at over 150 locations worldwide.