Network Engineer

Job Description Network Engineer / Network Consultant (Cisco IOS/NX-OS, ACI, F5 LTM, Infoblox, Network TAP) Position Summary We are seeking an experienced Network Engineer/Consultant responsible for designing, implementing, operating, and troubleshooting enterprise and data center network infrastructure. The role requires hands-on expertise in Cisco IOS/NX-OS, Cisco ACI, F5 LTM, Infoblox DDI, and Network TAP solutions to support business-critical environments. ________________________________________ Key Responsibilities Cisco Routing & Switching (IOS/NX-OS) Configure, deploy, and support Cisco Catalyst and Nexus switches. Manage Layer 2 and Layer 3 network infrastructure, including: o VLANs o STP/RSTP/MST o EtherChannel/VPC o OSPF o BGP o HSRP/VRRP Perform configuration changes, upgrades, and network optimization. Troubleshoot network incidents and perform root cause analysis. Cisco ACI Deploy and administer Cisco Application Centric Infrastructure (ACI). Configure and manage: o Fabric Policies o Tenants o VRFs o Bridge Domains o EPGs o Contracts o L3Out Implement multi-tenant network architectures. Troubleshoot ACI fabric, APIC controllers, and endpoint connectivity issues. F5 LTM Administration Configure and manage F5 Local Traffic Manager (LTM) environments. Create and maintain: o Virtual Servers o Pools o Health Monitors o iRules o SSL Profiles Perform application load balancing and traffic optimization. Support SSL offloading and application availability requirements. Infoblox DDI Management Administer DNS, DHCP, and IP Address Management (IPAM) services. Manage DNS zones, DHCP scopes, and IP allocation policies. Maintain IP inventory and address planning. Troubleshoot DNS and DHCP-related issues. Implement DNS security and best practices. Network TAP & Monitoring Infrastructure Deploy and manage Network TAP devices and packet broker solutions. Support network visibility and traffic monitoring platforms. Coordinate TAP installation, maintenance, and firmware upgrades. Analyze packet captures using tools such as Wireshark. Ensure optimal traffic distribution to monitoring and security tools. Operations & Support Handle incident, change, and problem management activities. Prepare and maintain network documentation, diagrams, SOPs, and implementation plans. Participate in maintenance activities and after-hours support when required. Collaborate with application, security, and infrastructure teams. ________________________________________ Required Skills Cisco IOS and NX-OS Administration Cisco Nexus 3K/5K/7K/9K Platforms Cisco ACI Architecture and Operations F5 LTM Configuration and Troubleshooting Infoblox DDI (DNS, DHCP, IPAM) Network TAP and Packet Broker Technologies OSPF, BGP, HSRP, VRRP, VLAN, VXLAN TCP/IP, DNS, DHCP, NAT, Load Balancing Wireshark and Packet Analysis Network Monitoring Tools ________________________________________ Preferred Qualifications Industry certifications preferred: o CCNP Enterprise / CCNP Data Center o CCIE (Preferred) o Cisco ACI Specialist o F5 Certified Administrator (CA) o Infoblox Certified Professional ________________________________________ Key Competencies Strong troubleshooting and analytical skills. Excellent documentation and communication abilities. Experience working in large enterprise or managed services environments. Ability to manage multiple priorities and deliver under tight deadlines.