Network Engineer L3 support, Poughkeepsie, New York, United States

LOCATION: Poughkeepsie, 5 times a week from client (ONSITE OPPORTUNITY)

Applicants must be authorized to work in the US without sponsorship. Please note, this role is not able to offer visa transfer or sponsorship now or in the future.

As a Network Engineer, L3 support specializing in VSS and Nexus integration services, you'll 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.

About Cognizant’s CIS Practice:

Cognizant’s CIS (Cognizant Infrastructure Services) Practice is a global leader in providing IT infrastructure services. We deliver innovative solutions to optimize and transform IT infrastructure, ensuring business agility and operational efficiency. Our services include cloud computing, data center management, network services, and cybersecurity. We focus on understanding client needs and delivering customized solutions to drive business success.

In this role, you will:

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 detection/prevention systems.
Stay up-to-date on the latest security threats and vulnerabilities.

Collaboration and Communication

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.

Continuous Improvement:

Stay current with the latest network technologies and industry best practices.
Propose and implement improvements to network infrastructure and processes.

Project Management:

Participate in the planning, execution, and completion of network projects.
Manage network changes and upgrades effectively.

What you’ll need to succeed (required skills):

Extensive hands-on 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.
Ability to manage multiple tasks and priorities effectively, 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.

Certifications:

Cisco certifications (e.g., CCNP, CCIE) are highly desirable.

Compensation: We are offering between $110,000 – $130,000. Applications will be accepted until Jun 20th, 2026.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave

Sobre a Cognizant
Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram resultados tangíveis e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em cognizant.ai ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego
Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.