Senior Network Security Engineer

This position is an onsite opportunity for our headquarters in Doha, Qatar. Please apply only if below job role suits you and you are open for relocating to Qatar (Doha).SummaryThe Network and Security Operations team is accountable for maintaining a resilient and secure IT infrastructure that is always accessible for the organization. Their responsibilities encompass providing expert guidance and top-level support for the network and security infrastructure. The role is responsible to Lead for ensuring the stability, security, and performance of an organization's network Security infrastructure. This role requires a combination of technical expertise, leadership skills , and a proactive approach to network operation management. effectively oversee the network and security infrastructure for various clients, whether remotely or on-site, ensuring it meets the organization's requirements in terms of availability, security, and suitability.Brief Responsibilities:• Bachelor's degree in a relevant field and over 10 years of related full-time work experience.• At least 3 years of experience in ACI infrastructure deployment and operations.• Relevant professional certifications: CCIE/CCNP.• ITIL certification.• Experience in a similar Network Operation Center for large clients.Excellent written and verbal communication skills, with the ability to articulate technology strategy effectivelyRole & responsibilitiesTechnical CompetencyData Centre and Campus Networking Design & Implementation (FabricPath/vPC/VxLAN/NX-QoS/OTVMust HaveExperience designing and building complex data center networks with Software Defined Networking (SDN) solutions such as Cisco ACI, VMware NSX or any OpenFlow protocolMust HaveUnderstanding of ACI Multi-Pod, Multisite deployments.Must HaveOperate and maintain existing multi-pod ACI implementation.Must HaveSecurely attach different workloads to the ACI with required EPG, contracts, L2/L3 outs etc.Must HaveIntegrate ACI with NSX environment in HCI/VVD of Dell/EMC.Must HaveEnd to end knowledge of ACI firmware upgradeMust HaveEPGs, BDs, L3 outs, Multiple VRFs, Multi-Tenancy, ACI in band and OOB management, Integration with VMM Domains, Access policy Definition for any type of interfaces single or PC or VPC, L4-L7 Service graph, PBR, ACI High-availability Solutions like Multi-Pods.Must HaveDeploying and troubleshooting LAN/WAN, MPLS, IP Routing Protocols (OSPF, BGP, EIGRP, MP-BGP), VRF (L3 VPN), Switching, NAT, VPC, Ether Channel, VLAN, VTP, STP, RSTP, MSTP.Must HaveL3 Technologies: GLBP, HSRP, Multicast (PIM, PIM-SM, Auto-RP, IGMPv2, MSDP) QoS, VRRPMust HaveConfiguration of Cisco devices (Cisco 6807, Catalyst 3850, Catalyst 2960-XR, Cisco Catalyst 4500-X, IE4010 and IE4000, Nexus 7K, Nexus 3K, ASR 1006X, ASR 1002X).Must HaveCertificateCCNP/ CCIE /Relevant - Must HaveWireless & ISE Technologies -OptionalFirewall Certification (Fortinet/Palo Alto/FTD)-Optional