L3 Network & System Engineer

L3 Network & System Engineer Configure, troubleshoot, and maintain routers, switches, and firewalls (Cisco, Juniper, Fortinet, Palo Alto)
Manage VPNs, load balancers, and network security protocolsMonitor and enhance network performance, availability, and securityManage and maintain Windows Server (Active Directory, DNS, DHCP, IIS)Administer Linux servers (CentOS, Ubuntu, RHEL) including security hardeningPerform patch management, backups, and performance tuningImplement Infrastructure as Code (IaC) using Terraform and AnsibleAutomate system provisioning, configuration, and monitoringManage VMware, KVM, OpenStack, or similar virtualization platformsDeploy and optimize virtual machines, containers (Docker, Kubernetes)Develop scripts in Bash, Python, or Perl for automation and monitoringTroubleshoot complex system and network issues efficientlyLead and mentor a small team of engineersEnsure proper documentation and best practices are followedCoordinate with cross-functional teams for IT projectsLead incident management for critical infrastructure-related issues, ensuring minimal downtimeCoordinate with vendors and internal teams for escalation and faster issue resolutionProvide post-incident reviews and documentation of corrective actionsConducting regular Knowledge Transfer (KT) sessions to train and support L1 and L2 team,requirment:Minimum 5+ years in network/system administration,skill:Deep knowledge of networking, firewalls, and security best practicesStrong expertise in Windows & Linux server administrationHands-on experience with Ansible, Terraform, and automation scriptingProficiency in VMware, KVM, OpenStack, or similar virtualization platformsStrong scripting skills in Bash, Python, or PerlCCNP, RHCE, MCSE, AWS/Azure certifications are a plusAbility to lead a small team, collaborate across departments, and document technical processes,