Cognizant

Network Engineer L3 support

Cognizant$110K — $130K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience in network engineering with a focus on Cisco technologies.
  • In-depth knowledge of TCP/IP, OSPF, BGP, MPLS protocols.
  • Familiarity with IOS and NX-OS network operating systems.
  • Strong understanding of network security principles and practices.
  • Experience with network monitoring tools like SolarWinds or PRTG.

Responsibilities

  • Design and implement complex network infrastructures including LAN, WAN, and data centers.
  • Ensure network designs meet performance standards and security policies.
  • Utilize Cisco VSS technology for redundancy and failover solutions.
  • Diagnose and resolve complex network issues proactively using monitoring tools.
  • Implement network security measures such as ACLs and firewalls.
  • Collaborate with IT teams to ensure networking meets business requirements.
  • Participate in network project planning, execution, and management.

Benefits

  • Medical, Dental, Vision, and Life Insurance
  • Paid holidays and Paid Time Off
  • 401(k) plan with contributions
  • Long-term and Short-term Disability coverage
  • Paid Parental Leave
Full Job Description
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.

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

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

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Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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