Senior DNS & Proxy Network Engineer - AI-Driven Security

Assurity Trusted Solutions Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Benefits offered by this job

A wholly-owned subsidiary of GovTech

Learning culture and growth

Annual Leave with Family Care & Birth‑

Contract Staff benefits equal to perm

Job summary

Assurity Trusted Solutions Pte Ltd seeks an experienced Network Engineer (DNS & Proxy) to design, operate and optimize DNS, DNSSEC and secure web proxy services across on‑premises and cloud environments. You will build automation, implement IaC, and integrate with identity, cloud and monitoring platforms to ensure resilient, secure connectivity for users, apps and data centres.

The role emphasizes incident response, troubleshooting, and proactive threat detection, leveraging Python/PowerShell

Qualifications

• Five+ years in enterprise network/infrastructure or security engineering with production DNS and proxy exposure.
• Strong knowledge of authoritative/recursive DNS, DNSSEC, and DNS troubleshooting.
• Experience with DNS/DDI platforms (Infoblox, similar) and enterprise proxies/secure web gateways.
• Proficiency in Python/PowerShell, REST APIs and automation tools; Git/CI/CD experience.
• Solid understanding of TCP/IP, IPv4/IPv6, TLS, firewalls and load balancing.

Responsibilities

• Operate and improve production DNS, DNSSEC, protective DNS and secure web proxy services.
• Troubleshoot incidents, implement changes, and perform lifecycle management.
• Engineer DNS zones, records, delegations, forwarding, caching and DNSSEC signing.
• Build automation scripts and pipelines; adopt IaC and Git workflows.
• Analyze DNS queries and proxy logs to detect threats and policy violations.
• Integrate DNS/proxy with identity, cloud, monitoring and SIEM platforms.
• Explore AI-enabled network operations and maintain human oversight.

Skills

DNS & DNSSEC

Proxy & secure web gateway

Python

PowerShell

Automation & scripting

Ansible

Terraform

REST APIs

CI/CD practices

Incident response

Troubleshooting

Networking fundamentals (TCP/IP)

Tools

Infoblox

Blue Coat

Git

CI/CD pipelines

Job description

Assurity Trusted Solutions Pte Ltd seeks an experienced Network Engineer (DNS & Proxy) to design, operate and optimize DNS, DNSSEC and secure web proxy services across on‑premises and cloud environments. You will build automation, implement IaC, and integrate with identity, cloud and monitoring platforms to ensure resilient, secure connectivity for users, apps and data centres.

The role emphasizes incident response, troubleshooting, and proactive threat detection, leveraging Python/PowerShell