Linux Engineer

PERSOL Workforce Solutions Malaysia Sdn Bhd; Kuala Lumpur; On-site; MYR 240,000 - 360,000; Full time

Job summary

PERSOL Workforce Solutions Malaysia Sdn Bhd is seeking a seasoned professional to lead the design, implementation, and management of enterprise network and security platforms. You will provide technical leadership for Linux-based networking and security infrastructure across complex environments.

You will design, deploy, and maintain secure, scalable, and highly available network architectures, and manage cloud-native networking and security solutions while guiding incident response and best

Qualifications

• Minimum 12 years of hands-on experience in enterprise networking, Linux systems, and network security.

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.

Job description

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.

Required Skills & Experience

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 Intrusion Detection and Intrusion Prevention (IDS/IPS).

Strong knowledge of nftables for Linux firewall configuration and network packet filtering.

Experience with Zeek (formerly Bro) 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.

Preferred Qualifications

Bachelor's degree in Computer Science, Information Technology, or a related field.

Industry certifications such as RHCE, CKA, CKS, CCNP, CCIE, or equivalent.

Experience working in enterprise, cloud, or managed services environments.

Knowledge of Zero Trust architecture, network segmentation, and security best practices.

Experience with SIEM, monitoring, and observability platforms is an added advantage.