network engineer

توضیحات آگهی

We are seeking a Senior Network Engineer to design secure and support our enterprise network infrastructure The ideal candidate brings strong Cisco expertise NX OS IOS XE ASR deep routing and switching knowledge hands on firewall and wireless experience and a solid understanding of network security and monitoring best practices Responsibilities Design deploy and maintain core network infrastructure across switching routing firewalls wireless and WAN environments Troubleshoot complex technical issues perform root cause analysis and ensure high availability resilience and performance Implement and enforce network security controls including segmentation firewall policies VPNs MFA 2FA and L2 L3 security mechanisms Manage and optimize wireless environments Ruckus Mikrotik Ubiquiti Maintain routing policies and high availability technologies VPC LACP load balancing etc Operate tune and improve monitoring and observability systems SNMP telemetry Prometheus Grafana Splunk PRTG Zabbix SolarWinds Produce clear network documentation standards and diagrams and participate in knowledge sharing with the team Required Skills Minimum 3 years of hands on experience in network engineering or a similar technical role Strong experience with Cisco NX OS IOS XE ASR platforms and Firepower appliances Deep understanding of L2 L3 L4 networking VLANs STP ACLs QoS NAT VRFs VPC EtherChannel LACP Hands on experience with firewalls Fortigate Mikrotik pfSense OPNsense Expert level knowledge of VPN and tunneling technologies IPsec WireGuard OpenVPN SSL VPN L2TP PPTP ZeroTier Strong routing protocol experience OSPF EIGRP BGP Experience with WAN SD WAN load balancing and HA solutions Linux administration fundamentals Wireless expertise with Ruckus Mikrotik Ubiquiti etc Understanding of MFA 2FA access controls and network security principles Knowledge of VoIP traffic requirements jitter latency QoS Preferred Skills Network automation Ansible Terraform Python Understanding of HTTP HTTPS REST APIs and general web communication concepts Familiarity with PKI certificates and encryption Experience integrating logs with SIEM tools Understanding of microservices and container networking Docker Kubernetes Exposure to ITIL or similar service management frameworks Preferred Certifications any of the following Cisco CCNA CCNP Enterprise CCNP Security Fortinet NSE4 or above CWNP CWNA for wireless Linux Foundation LFCS or LPIC VMware VCP VCAP تهران تهران ساعی توانیر تمام وقت ازکی کارشناس ارشد جنسیت تفاوتی ندارد اینترنت تجارت الکترونیک خدمات آنلاین