Note: The job is a remote job and is open to candidates in USA. Cognizant is a leading technology company, and they are seeking a Senior Network Administrator to design, implement, and maintain complex network infrastructures. The role focuses on Cisco Nexus technologies and requires collaboration with IT teams to ensure network security and performance.
Responsibilities
- 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
- 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
- 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
- Implement and maintain network security measures, including access control lists (ACLs), firewalls, and intrusion detection/prevention systems
- Stay up-to-date on the latest security threats and vulnerabilities
- Collaborate with other IT teams, including server, storage, and application teams, to ensure network infrastructure meets business needs
- Communicate network status, issues, and resolutions effectively to stakeholders
- Stay current with the latest network technologies and industry best practices
- Propose and implement improvements to network infrastructure and processes
- Participate in the planning, execution, and completion of network projects
- Manage network changes and upgrades effectively
Skills
- 5+ years of experience in network engineering, with a strong focus on Cisco technologies
- Cisco VSS (Virtual Switching System)
- Virtual Port Channels (vPC) & Virtual Device Contexts (VDCs)
- Nexus NX-OS Devices Integration & Upgradation Services
- Data Center Software & Hardware technologies refresh
- F5 Load Balancers Configuration & Operations, Troubleshooting
- Cisco Wireless Technologies configurations & support
- In-depth knowledge of DMVPN setup, support & configurations
- 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
- 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
- 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
- Implement and maintain network security measures, including access control lists (ACLs), firewalls, and intrusion detection/prevention systems
- Stay up-to-date on the latest security threats and vulnerabilities
- Collaborate with other IT teams, including server, storage, and application teams, to ensure network infrastructure meets business needs
- Communicate network status, issues, and resolutions effectively to stakeholders
- Stay current with the latest network technologies and industry best practices
- Propose and implement improvements to network infrastructure and processes
- Participate in the planning, execution, and completion of network projects
- Manage network changes and upgrades effectively
- Extensive knowledge of networking protocols (e.g., TCP/IP, 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
- 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
- Cisco certifications (e.g., CCNP, CCIE) are highly desirable
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Company Overview