Job Summary
As a Network L3 Engineer, you will perform advanced troubleshooting to ensure high performance, availability, and security of complex network infrastructures. You will lead major upgrades, develop strategic network plans, analyze traffic and security threats, and provide technical leadership and mentorship to junior engineers. This role is part of a high-impact project environment and requires deep networking expertise across multi-vendor platforms.
Key Responsibilities
• Expert-Level Troubleshooting: Handle complex and critical network issues that require deep expertise, often performing root cause analysis to prevent recurring incidents.
• Strategic Planning: Develop long-term strategies for network growth and optimization, aligning network capabilities with business goals.
• Security Management: Design and implement advanced security measures, develop security policies, and monitor network traffic to identify and mitigate threats.
• Project Leadership: Lead major network projects such as upgrades, migrations, and the integration of new technologies.
• 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 for solutions, and collaborate with other IT professionals and management.
Key Skills & Knowledge
• Deep Understanding of Protocols: In-depth knowledge of network protocols, switching, routing, and wide-area network (WAN) technologies.
• Technical Expertise: Hands-on experience with multi-vendor network equipment, including routers, switches, firewalls, and load balancers.
• Problem-Solving: Strong analytical and problem-solving skills to address complex network challenges under pressure.
• Security Focus: Experience with security tools and frameworks, including intrusion detection systems (IDS) and network access control (NAC).
• Communication: Excellent verbal and written communication skills for clear reporting and collaboration.
Job Requirements
• Essential Skills: Zscaler (Proxy), Palo Alto Firewall
• Nice to Have Skills: SD WAN – Velo Cloud, Cisco Meraki.
• Strong experience in troubleshooting and securing networks.
• Advanced certifications such as the Cisco Certified Network Professional (CCNP) are recommended.
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关于高知特 (Cognizant)
高知特(Cognizant)(纳斯达克代码:CTSH)作为一家AI Builder和相关技术服务提供商,致力于通过打造全栈AI解决方案,帮助企业将人工智能投资转化为实际价值。公司凭借深厚的行业经验、流程优化和工程技术专长,将企业独特的业务场景融入科技系统,赋能组织释放人才潜能,推动切实成果,并帮助全球企业在瞬息万变的环境中保持领先。如需了解更多详情,敬请访问 cognizant.ai 或关注@cognizant。
补充雇佣信息
薪酬信息截至本职位发布之日为准。Cognizant 保留在适用法律允许的范围内随时修改该信息的权利。
申请人可能需要通过现场面试或视频会议的方式参加面试。此外,候选人在每次面试时可能需要出示其当前所在州或政府签发的有效身份证件。
Cognizant 是一家提供平等就业机会的雇主。在招聘过程中,您的申请和候选资格不会因种族、肤色、性别、宗教、信仰、性取向、性别认同、国籍、残疾、遗传信息、怀孕、退伍军人身份或任何其他受联邦、州或地方法律保护的特征而受到影响。







