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L3 Network Engineer

00068181201

Job Responsibilities

  • Expert-Level Troubleshooting: Handle complex and critical network issues, perform root cause analysis to prevent recurring incidents.
  • Strategic Planning: Develop long-term strategies for network growth and optimization aligned with business goals.
  • Security Management: Design and implement advanced security measures, develop security policies, and monitor network traffic to mitigate threats.
  • Project Leadership: Lead major network projects such as upgrades, migrations, and technology integrations.
  • Documentation & Best Practices: Create and maintain detailed documentation for network configurations, processes, and procedures.
  • Mentorship & Training: Provide technical guidance, training, and mentorship to L1 and L2 network engineers.
  • Vendor & Stakeholder Collaboration: Coordinate with external partners and vendors, and collaborate with IT teams and management.

Job Requirements

  • Extensive understanding of network protocols, switching, routing, and WAN technologies.
  • Strong hands-on experience with multi-vendor network equipment (routers, switches, firewalls, load balancers).
  • Good analytical and problem-solving skills to address complex network challenges under pressure.
  • Strong security focus with experience in IDS and NAC frameworks.
  • Excellent verbal and written communication skills for reporting and collaboration.
  • Essential Skills: Zscaler (Proxy) & Palo Alto Firewall.
  • Nice-to-Have Skills: SD-WAN – VeloCloud & Cisco Meraki.

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About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.

Additional employment information
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

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