About Us
Ribbon Communications (Nasdaq: RBBN) delivers communications software, IP and optical networking solutions to service providers, enterprises and critical infrastructure sectors globally. We engage deeply with our customers, helping them modernize their networks for improved competitive positioning and business outcomes in today's smart, always-on and data-hungry world. Our innovative, end-to-end solutions portfolio delivers unparalleled scale, performance, and agility, including core to edge software-centric solutions, cloud-native offers, leading-edge security and analytics tools, along with IP and optical networking solutions for 5G.
Responsibilities:
Development and support of Linux OS installation, upgrade and configuration
procedures and tools.
Application Life-Cycle tools and procedures: development and support
Computing, networking and peripheral hardware configuration and setting for Run-
Time environments.
Applications and OS performance analysis and performance tuning.
Development setting and tool support.




Linux OS Security hardening, settings and tuning.
Skills Required:
High level skills in Linux OS system Administration.
Comprehensive knowledge in Linux networking
Knowledge and experience in Linux OS hardening
Good knowledge on Linux virtualization and automation tools (Puppet,Ansible,Jenkins)
Comprehensive knowledge and wide experience in shell scripting
Good human relations, high motivation, multi-tasking, team player
Skills Preferred (optional):
Understanding of SW development process and tools – desired
Knowledge in Solaris administration, Zones and ZFS File system – desired
Experience with RDBMS (oracle) + SQL language – Advantage
Experience with Oracle Middleware SW – Advantage
Knowledge in VMware – Advantage
Perl / Python scripting - Advantage
Experience: 8-12 Years

📌 IT System Administrator Technical Specialist (Varthur)
🏢 Ribbon Communications Operating
📍 Varthur