Linux Engineer

Position Summary

We are seeking an experienced Linux Engineer with a minimum of 12 years of experience in enterprise infrastructure, network security, and Linux-based platforms. The ideal candidate will provide technical leadership in designing, implementing, and supporting modern network security solutions, with strong expertise in Linux networking, cloud-native networking, and open-source security technologies.

Key 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.

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.