Justdial - L2/L3 Linux System Administrator (2-8 yrs)

Company Description :

Justdial is India's leading local search engine, offering a wide range of services including Bills and recharge, Book A Table, Book A Cab, Book Movie Tickets, Deals & Offers, Flight Tickets, JD Events, ordering groceries, Order Food, Order Flowers, and more. With a presence in all major Indian cities, Justdial is a one-stop-shop for anything, anytime, anywhere. The company employs over 10,000 people and has 21 million business listings. Their newest offering, JD Omni, is a complete cloud-based business management solution.

Role Description :

This is a full-time on-site role for a Linux System Administrator L2/L3 at Justdial's Mumbai location. The candidate will be responsible for managing Linux server infrastructure, troubleshooting, technical support, and network security.

Qualifications and Skills :

• Excellent knowledge of Linux OS Installation/troubleshooting, Kernel Tweaking, hardening and OS Log analysis.
• Linux Filesystem knowledge : types of file systems and their aspects, tweaking file systems for specific purposes, etc.,
• Managing Linux system users, user rights, IPTABLES/Firewall, SELINUX, HIPS, etc.,
• Server troubleshooting : load troubleshooting, iostat, process-tracing, etc., network level troubleshooting.
• Basic knowledge of networking - routes, IPv6, subnets
• Setting up / full knowledge of web technology - DNS, HTTP Server setup, Load balancing etc.,
• L7 security concepts and a good awareness of security.
• Utilities/programming : awk, sed, shell scripting, ansible, nagios-setup, etc.,
• Knowledge of database clusters - MySQL, MongoDB, Elasticsearch, ELK, Redis, etc.,
• Jenkins, Gitlab, etc.
• Docker / K8 setup.