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Cognizant Senior Network Engineer in Waukegan, Illinois

Location: Illinois, Waukegan, ONSITE OPPORTUNITY

Please note, this role is not able to offer visa transfer or sponsorship now or in the future

Cognizant is looking for a dynamic Senior Network Engineer . This is a strategic role and the incumbent will work closely with clients to understand their problem discovery, concerns, coordination with the client and collaborate with internal teams to propose and guide appropriate solutions. ensuring alignment between client expectations and technical execution, hands-on solution architecture or detailed system design.

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:

Key Responsibilities

  • Network Architecture & Design: Create scalable network architecture (LAN/WAN/WiFi), conduct RF planning, site surveys, and define infrastructure requirements.

  • Advanced Troubleshooting & Support: Lead resolution of complex L2/L3 network issues, perform RCA, and guide incident response during P1/P2 events.

  • Network Optimization: Monitor and tune network performance, capacity, and reliability to ensure seamless operations.

  • Security & Compliance: Enforce network security standards, respond to security incidents, manage vulnerabilities, and ensure compliance with best practices.

  • Configuration & Change Management: Maintain network configurations, support patching and upgrades, and ensure minimal disruption during changes.

  • Documentation & Knowledge Management: Maintain SOPs, network documentation, and provide training for operations teams.

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

  • Strong experience with enterprise network hardware (Cisco Aruba/HPE etc.)

  • Expert knowledge of wireless protocols RF principles routing switching and network security

  • Proficiency with monitoring troubleshooting and automation tools

  • Excellent problem solving communication and cross team collaboration skills

  • Relevant certifications (CCIE Wireless CCNA/CCNP CWNA/CWSP) preferred

  • Migration of virtual servers from legacy platforms to Nutanix AHV. Must have experience working in a Manufacturing Plant Environment or working on a datacenter environment

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.

Benefits: 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

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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