ICT Infrastructure Engineer - #1683

JOBSTER PRIVATE LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

JOBSTER PRIVATE LTD. seeks a Senior Network & Security Engineer to design, deploy, and maintain scalable enterprise networks. You will work on Datacenter, Campus, and Cloud networks, driving automation and collaborating with vendors to implement secure, reliable infrastructure.

The role requires 8–14 years in core network technologies, mastery of Cisco ACI, F5, and firewall platforms, and the ability to guide cross‑functional teams in complex deployments.

Qualifications

• Bachelor's degree in networking or related field required.
• 8–14 years of experience in core network technologies.
• Strong knowledge of LAN/WAN and security technologies.

Responsibilities

• Lead network deployment projects for Datacenter, Campus, and Public Cloud networks.
• Provide Tier‑3 support for Network & Security issues and on‑call rotation.
• Collaborate with vendors for solution architecture and procurement.
• Drive automation to improve day‑to‑day network operations.
• Experience with AI tools in network operations and anomaly detection.

Skills

Cisco ACI

F5 Load Balancers

Checkpoint Firewalls

Palo Alto Firewalls

Network Security

Education

Bachelor's degree in Networking or related field

Tools

SolarWinds

Riverbed

ThousandEyes

Ansible

Terraform

Wireshark

Job description

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.