Role Network L3 Engineer Location Poughkeepsie NY - Onsite Duration 6-12&plus Month As a Network Engineer L3 specializing in VSS and Nexus integration services youll be responsible for designing implementing and maintaining complex network infrastructures focusing on Cisco Nexus 6000 or 7000 or 9000 series switches and Cisco Virtual Switch System technologies ensuring high availability performance and security. Key Responsibilities Network Design and Implementation Design implement and maintain complex network infrastructures including LAN WAN and data center networks. Focus on Cisco Nexus 6000 or 7000 or 9000 series switches and Cisco VSS technologies. Ensure network designs meet business requirements performance standards and security policies. Develop and document network topologies and configurations. VSS and Nexus Expertise Deep understanding of Cisco VSS technology including fabric partitioning redundancy and failover mechanisms. Extensive experience with Cisco Nexus 6000 or 7000 or 9000 series switches including configuration troubleshooting and optimization. Proficient in implementing and managing Nexus Fabric including Virtual Port Channels vPC and Nexus 9000 series switch features. Troubleshooting and Problem Resolution Diagnose and resolve complex network issues including performance bottlenecks connectivity problems and security vulnerabilities. Utilize network monitoring tools and protocols to identify and address issues proactively. Document and communicate network issues and resolutions effectively. Network Security Implement and maintain network security measures including access control lists ACLs firewalls and intrusion detectionprevention systems. Stay up-to-date on the latest security threats and vulnerabilities. Skills and Qualifications Experience 5&plus years of experience in network engineering with a strong focus on Cisco technologies. Certifications Cisco certifications e.g. CCNP CCIE are highly desirable. Technical Skills Extensive knowledge of networking protocols e.g. TCPIP OSPF BGP MPLS. Experience with network operating systems e.g. IOS NX-OS. Familiarity with network monitoring and management tools e.g. SolarWinds PRTG. Strong understanding of network security principles and practices. Soft Skills Excellent problem-solving and troubleshooting skills. Strong communication and interpersonal skills. Ability to work independently and as part of a team. Ability to manage multiple tasks and priorities effectively. Provide current design and architecture documents. Provide policies for security vulnerability management Performance and fault monitoring of LANWLANWAN devices. Create and plan configuration changes incident management on existing LANWLANWAN devices. Provide recommendations and suggestions to improve network performance as managing network performance with QOS Co-ordinate with network service provider or third-party vendor to dispatch a field technician if required to repair replace defective devices that support network services Managing traffic and congestion WiFi client disconnection issues and identifying radius authentication issues Updating IOS to access points through WLC Problem management for data center repetitive faults. Execute Central Hudson approved remediation plans in response to intrusions Perform local backup and periodic restoration testing Review impact of patches relevant to the IT environment and document impact and analysis. Review asset hardening reports for suggested configuration and IOS changes and provide summary of proposed actions. Patching of network devices routers switches etc.. Emergency patching of network devices routers switches etc.. Capacity planning & suggestions. Create SOPs where not present Update and Maintain SOP Create Knowledgebase KBs articles as needed Review and revise network Knowledgebase articles keeping them current. Approve scope date time of vulnerability scans Defineapprovereview the risk rating of the intrusion prevention in case of zero-day signatures and remediation plans and actions Manage administer and maintenance of load balancer in Central Hudson environment Confirms high availability and reliability monitoring moving requests only to serversapplications that are online Manage distribution of Client requests or network load efficiently across multiple serversapplications Add or remove serversapplications to Load Balancer configuration as demand dictates Monitor load balancer Health