L3 Network

4 weeks ago

Bengaluru, India Zybisys Full time

We are looking for an experienced L3 Network & System Engineer to manage, configure, and optimize enterprise network and system infrastructure. The ideal candidate should have a strong background in networking, server administration, automation, virtualization, and scripting. This role also requires leadership skills to guide a small team and ensure smooth IT operations.

Responsibilities
  • Configure, troubleshoot, and maintain routers, switches, and firewalls (Cisco, Juniper, Fortinet, Palo Alto).
  • Manage VPNs, load balancers, and network security protocols.
  • Monitor and enhance network performance, availability, and security.
  • Manage and maintain Windows Server (Active Directory, DNS, DHCP, IIS).
  • Administer Linux servers (CentOS, Ubuntu, RHEL) including security hardening.
  • Perform patch management, backups, and performance tuning.
  • Implement Infrastructure as Code (IaC) using Terraform and Ansible.
  • Automate system provisioning, configuration, and monitoring.
  • Manage VMware, KVM, OpenStack, or similar virtualization platforms.
  • Deploy and optimize virtual machines, containers (Docker, Kubernetes).
  • Develop scripts in Bash, Python, or Perl for automation and monitoring.
  • Troubleshoot complex system and network issues efficiently.
  • Lead and mentor a small team of engineers.
  • Ensure proper documentation and best practices are followed.
  • Coordinate with cross-functional teams for IT projects.
  • Lead incident management for critical infrastructure-related issues, ensuring minimal downtime.
  • Coordinate with vendors and internal teams for escalation and faster issue resolution.
  • Provide post-incident reviews and documentation of corrective actions.
  • Conducting regular Knowledge Transfer (KT) sessions to train and support L1 and L2 team.
Requirements
  • Minimum 5+ years in network/system administration.
Skills
  • Deep knowledge of networking, firewalls, and security best practices.
  • Strong expertise in Windows & Linux server administration.
  • Hands-on experience with Ansible, Terraform, and automation scripting.
  • Proficiency in VMware, KVM, OpenStack, or similar virtualization platforms.
  • Strong scripting skills in Bash, Python, or Perl.
  • CCNP, RHCE, MCSE, AWS/Azure certifications are a plus.
  • Ability to lead a small team, collaborate across departments, and document technical processes.
Location

Bengaluru

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