Note: The job is a remote job and is open to candidates in USA. Cognizant is an IT Infrastructure company seeking a Senior Network Administrator to design, implement, and maintain complex network infrastructures. The role focuses on Cisco technologies, ensuring high availability, performance, and security of the network.
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
- 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