Linux Engineer

Senior Linux Engineer – Telecom

Experience: 8+ Years

Location: Bangalore / Hyderabad / Chennai / Pune

Industry: Telecom

Work Mode: Hybrid

Role Overview

We are looking for a Senior Linux Engineer with strong hands-on experience in Linux administration, networking, security, and firewall technologies. The role involves deploying and supporting secure Linux platforms across enterprise and data-centre environments.

Key Responsibilities

• Deploy, configure, and support Linux servers across production and non-production environments.
• Manage NixOS, RHEL, GUIX, and other immutable Linux platforms.
• Configure Linux networking, Layer 2, TCP/IP, VLANs, routing, and security zoning.
• Implement and manage nftables, iptables, and stateful firewall solutions.
• Integrate Linux environments with enterprise firewalls such as Cisco, Fortinet, Palo Alto, and Check Point.
• Implement Linux hardening, security controls, segmentation, and network security.
• Support Cilium for Kubernetes networking/security.
• Deploy and maintain Zeek and Suricata for network monitoring/IDS/IPS.
• Handle OS upgrades, patching, migrations, troubleshooting, and RCA.
• Collaborate with Network, Security, Cloud, and Infrastructure teams.
• Maintain technical documentation and support change/maintenance activities.

Mandatory Skills

• 8+ years hands-on Linux administration/engineering
• Telecom experience – Mandatory
• NixOS – Mandatory
• RHEL
• nftables / iptables
• Linux Networking, TCP/IP, Layer 2, VLAN, Routing & Switching
• Stateful Firewall / Security Zoning
• Enterprise firewall exposure: Cisco / Fortinet / Palo Alto / Check Point
• Enterprise/Data Centre experience
• Strong troubleshooting and RCA skills

Good to Have

• GUIX / other immutable Linux OS
• Cilium
• Zeek
• Suricata
• Kubernetes networking/security
• Bash/Python scripting