Senior Network & Security Engineer

DADACONSULTANTS PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

DADACONSULTANTS PTE. LTD. is seeking a Senior Network & Security Engineer to join its Network Operations and Engineering function, focusing on enterprise networking, security, and AI-driven operations tooling.

You will lead multi-site deployments, design architectures, manage vendors, and implement automation and MCP integrations while coordinating with senior leadership.

Qualifications

• Bachelor's degree in a relevant field with 8+ years of hands-on network experience.
• Experience with Cisco ACI, Checkpoint and Palo Alto firewalls, and F5 load balancers/WAF.
• Certifications such as CCIE, CCNP, PCNSE, CCSE or AWS Advanced Networking – Specialty preferred.
• Strong LAN/WAN and network security knowledge with solid vendor management.
• Experience with Bluecoat Proxy, Akamai CDN, Infoblox IPAM/DNS/DHCP or Illumio/Guardicore is a bonus.
• Familiarity with network automation tools like Ansible or Terraform and monitoring tools.

Responsibilities

• Lead network deployment projects end-to-end across data centre, campus, remote offices, and public cloud.
• Collaborate with vendors on solution architecture, procurement, and installation.
• Provide Tier-3 support for network and security incidents, on-call including weekends.
• Develop and maintain High-Level and Low-Level designs and operational docs.
• Drive automation to improve day-to-day network tasks and processes.
• Deploy AI-assisted network ops tools and MCP server integrations.
• Communicate network strategy, risks, and recommendations to non-technical stakeholders.

Skills

Network architecture

Project leadership

Vendor management

Stakeholder communication

On-call support

Education

Bachelor's degree in a relevant field

Tools

Cisco ACI

Checkpoint firewalls

Palo Alto firewalls

F5 load balancers/WAF

AIOps platforms

Job description

About the Role

Our client is a well-established technology company operating in the managed services and cloud infrastructure space, with a strong presence across enterprise and public sector environments. They are looking for a

Senior Network & Security Engineer

to join their Network Operations and Engineering function, playing a central role in maintaining and advancing a complex, multi-site network infrastructure. This is a hands-on technical position offering broad exposure to enterprise networking, security, and emerging AI-driven operations tooling — making it an excellent opportunity for a seasoned network professional looking to work at the forefront of modern infrastructure engineering.

Key Responsibilities

• Leadnetwork deployment projectsend-to-end, ensuring timely delivery and successful implementation of network solutions across datacentre, campus, remote office, and public cloud environments
• Collaborate with vendors and third-party providers on solution architecture, equipment procurement, and installation
• Provide Tier-3 support for network and security incidents, participating in a rotating on-call schedule (including weekends) to sustain a stable, multi-vendor enterprise network
• Develop and maintain High-Level Design (HLD), Low-Level Design (LLD), and operational documentation and standards across the team
• Drive operational efficiency throughnetwork automation, streamlining day-to-day tasks and processes
• Deploy and manage AI-assisted network operations tools, including AIOps platforms, AI-driven troubleshooting workflows, and anomaly detection systems
• Configure and implement Model Context Protocol (MCP) servers to enable large language models to interface with and query network infrastructure and operational data
• Engage effectively with non-technical stakeholders and senior management to communicate network strategy, risks, and recommendations clearly

Requirements

• Bachelor's degree in a relevant field with at least 8 years of hands-on experience in enterprise network technologies, includingCisco ACI, Checkpoint and Palo Alto firewalls, and F5 load balancers and WAF
• Demonstrated experience leading complex network projects involving datacentre builds or public cloud migrations, with a proven ability to manage large-scale deployments
• Holding one or more of the following certifications: CCIE, CCNP, PCNSE, CCSE, or AWS Certified Advanced Networking – Specialty (or equivalent) is strongly preferred
• Strong foundational knowledge across LAN, WAN, andnetwork security technologies, paired with excellent project and vendor management capabilities
• Experience with Bluecoat Proxy, Akamai CDN, Infoblox IPAM/DNS/DHCP, or microsegmentation platforms such as Illumio or Guardicore(is a bonus)
• Experience with network automation tools such asAnsibleor Terraform, network monitoring platforms (e.g. SolarWinds, ThousandEyes), or network security products such as NAC, ISE, or AlgoSec(is a bonus)