Senior Network Security Engineer: Cloud & Perimeter Defense

THAKRAL ONE PTE LTD; Singapore; On-site; SGD 25,000 - 43,000; Full time

Job summary

THAKRAL ONE PTE LTD seeks a Network Security Engineer to support operation, monitoring, and improvement of security platforms across the EMEA estate, aligning with ISO 27001, CIS, and NIST while strengthening perimeter, cloud, and edge controls.

You will collaborate with audit, risk, and governance teams, work in multi‑vendor environments, and develop automation to reduce manual workloads, leveraging 8–10 years of cyber security experience.

Qualifications

• 8–10 years of experience in cyber or information security roles.
• Strong experience in network security operations, TCP/IP, routing, switching, and traffic-flow analysis.
• Hands-on experience with firewalls, IPS, SWG, NAC (Cisco ISE), and cloud network security concepts.
• Proficiency in Windows Server and Linux environments.
• Understanding of infrastructure, networking, and operating systems.
• Experience with enterprise cyber security tools and regulatory frameworks (ISO 27001, CIS, NIST).
• Scripting or automation exposure (Python, Ansible, PowerShell).
• Certifications such as Security+, CEH, or vendor/platform credentials are advantageous.

Responsibilities

• Operate, monitor, and maintain network security platforms across EMEA.
• Support perimeter security controls including next‑generation firewalls and IPS.
• Manage cloud‑based edge security platforms (WAF, DDoS protection, ZTNA).
• Support SWG solutions including URL filtering, SSL inspection, and user‑based access controls.
• Enhance visibility with microsegmentation tools, application dependency mapping, and east‑west traffic analysis.
• Collaborate with audit, risk, and compliance stakeholders to ensure regulatory alignment.
• Provide audit‑ready documentation and compliance reporting.
• Work in multi‑vendor environments and support integrations across diverse firewall and security platforms.
• Develop automation scripts, dashboards, or integrations to reduce manual workload.
• Contribute to improvements in detection, compliance, and control effectiveness.

Skills

Network security operations

TCP/IP

Routing

Switching

Traffic analysis

Scripting

Python

PowerShell

Education

Bachelor's degree in a related field

Tools

Firewalls

IPS

SWG

NAC Cisco ISE

WAF

ZTNA

Job description

THAKRAL ONE PTE LTD seeks a Network Security Engineer to support operation, monitoring, and improvement of security platforms across the EMEA estate, aligning with ISO 27001, CIS, and NIST while strengthening perimeter, cloud, and edge controls.

You will collaborate with audit, risk, and governance teams, work in multi‑vendor environments, and develop automation to reduce manual workloads, leveraging 8–10 years of cyber security experience.