Linux Engineer

• We are looking for Linux Engineer with Linux with any os like NixOS or RHEL or GUIX or Immutable OS with nf tables or IP tables experience, Ansible python scripting
• Location: Pan India
• Deploy, configure, and support enterprise Linux servers across production and non-production environments.
• Implement and manage Linux operating systems, including NixOS, RHEL, GUIX, and other immutable OS platforms.
• Deploy and configure Linux-based networking and security services.
• Implement Linux firewall solutions using nftables and stateful firewall technologies.
• Configure Linux networking, including Layer 2 networking, routing, VLANs, and security zoning.
• Support deployment and integration of enterprise firewall platforms, including Cisco, Fortinet, Palo Alto, and Check Point.
• Implement and troubleshoot Linux security controls, host hardening, and network segmentation.
• Configure and support Cilium for Kubernetes networking and security (where applicable).
• Deploy and maintain Suricata IDS/IPS and Zeek network monitoring solutions (preferred).
• Perform Linux system upgrades, patching, migrations, and implementation activities.
• Troubleshoot operating system, networking, firewall, and security-related issues.
• Collaborate with Network, Security, Cloud, and Infrastructure teams during project delivery.
• Develop and maintain technical documentation, implementation guides, and operational procedures.
• Participate in change management activities and support implementation during maintenance windows.
• Ensure Linux environments comply with customer security policies and operational standards.

Mandatory Skills & Experience

• Minimum 8 years of hands-on Linux administration and engineering experience.
• Strong experience with:
• NixOS
• Red Hat Enterprise Linux (RHEL)
• GUIX or other immutable Linux operating systems
• Strong deployment and implementation experience within enterprise Linux environments.
• Experience implementing Linux networking and security solutions.
• Strong knowledge of:
• Linux Networking
• Layer 2 Networking
• TCP/IP
• VLANs
• Security Zoning
• Stateful Firewalls
• Hands-on experience with nftables.
• Experience integrating Linux environments with enterprise firewall platforms, including:
• Cisco Firewalls
• Fortinet FortiGate
• Palo Alto Networks
• Check Point
• Strong troubleshooting and root cause analysis skills.
• Experience working in enterprise and data centre environments.
• Familiarity with ITIL processes and change management.

Preferred Skills

• Experience with Cilium for cloud-native networking and security.
• Experience deploying or administering Suricata IDS/IPS.
• Experience using Zeek for network traffic analysis and security monitoring.
• Knowledge of container platforms such as Kubernetes and Docker.
• Experience with Linux automation and configuration management tools (Ansible, Puppet, SaltStack).
• Scripting experience using:
• Bash
• Python
• Shell Scripting
• Knowledge of SELinux and Linux security hardening.
• Exposure to Infrastructure as Code (IaC) and DevOps practices.
• Experience with cloud platforms (AWS, Azure, GCP).

Preferred Certifications

• Red Hat Certified Engineer (RHCE)
• Red Hat Certified System Administrator (RHCSA)
• Linux Foundation Certified System Administrator (LFCS)
• Linux Foundation Certified Engineer (LFCE)
• Kubernetes Administrator (CKA) (Desirable)
• ITIL Foundation

Key Competencies

• Strong Linux troubleshooting and problem-solving skills.
• Excellent understanding of Linux security architecture.
• Strong analytical and root cause analysis abilities.
• Excellent communication and stakeholder management skills.
• Ability to work independently and within multidisciplinary project teams.
• Strong documentation and technical reporting skills.
• Customer-focused with the ability to deliver high-quality implementation projects.
• Ability to manage multiple deployment activities in a fast-paced environment.