Senior Linux Networking & Security Architect

Getronics; Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Job summary

Getronics is seeking an experienced Linux Engineer with at least 12 years of expertise in enterprise infrastructure, networking security, and Linux platforms. The role provides technical leadership in designing, implementing, and supporting modern security solutions with strong Linux networking, cloud-native networking, and open‑source security tech.

You will lead the design, deployment and operation of secure, scalable network architectures in a Kuala Lumpur environment, mentor junior

Qualifications

• Minimum 12 years of hands-on experience in enterprise networking, Linux systems, and network security.
• Strong experience with NixOS administration and system configuration.
• Hands-on experience with Cilium for Kubernetes networking, security, and observability.
• Experience deploying and managing Suricata for IDS/IPS.
• Strong knowledge of nftables for Linux firewall configuration and network packet filtering.
• Experience with Zeek for network traffic analysis, monitoring, and threat detection.
• Strong understanding of Linux networking concepts, TCP/IP, routing, switching, and firewall technologies.
• Experience troubleshooting complex networking and security issues in production environments.
• Knowledge of container platforms, Kubernetes, and cloud-native networking is highly desirable.
• Familiarity with automation tools such as Ansible, Terraform, or scripting using Bash/Python is an advantage.

Responsibilities

• Lead the design, implementation, and management of enterprise network and security platforms.
• Provide technical leadership for Linux-based networking and security infrastructure.
• Design, deploy, and maintain secure, scalable, and highly available network architectures.
• Implement and manage cloud-native networking and security solutions.
• Configure, optimize, and troubleshoot firewall, intrusion detection, and network monitoring platforms.
• Collaborate with infrastructure, cloud, DevOps, and security teams to deliver secure networking solutions.
• Lead incident response, root cause analysis, and performance optimization for network and security environments.
• Develop technical standards, architecture documentation, and operational procedures.
• Mentor junior engineers and provide technical guidance across project teams.
• Drive continuous improvement initiatives and evaluate emerging technologies.

Skills

Linux networking

NixOS administration

Cilium for Kubernetes networking

Suricata IDS/IPS

nftables firewall

Zeek

TCP/IP networking

Kubernetes / cloud-native networking

Automation: Ansible/Terraform/Bash/Py

Education

Bachelor's degree in Computer Science or IT

RHCE

CKA

CKS

CCNP

CCIE

Tools

Kubernetes

Terraform

Ansible

Bash

Job description

Getronics is seeking an experienced Linux Engineer with at least 12 years of expertise in enterprise infrastructure, networking security, and Linux platforms. The role provides technical leadership in designing, implementing, and supporting modern security solutions with strong Linux networking, cloud-native networking, and open‑source security tech.

You will lead the design, deployment and operation of secure, scalable network architectures in a Kuala Lumpur environment, mentor junior