Role overview
Administer enterprise network infrastructure and connectivity services, ensuring secure, resilient, compliant, and high-performing network operations across LAN, WAN, WLAN, VPN, NAC, and network security components.
Key responsibilities
• Operate and support enterprise LAN, WAN, WLAN, VPN, internet connectivity, and network service infrastructure.
• Configure, administer, and troubleshoot Cisco routing, switching, wireless, and network access control environments.
• Manage Cisco ISE, 802.1X authentication, NAC policies, device onboarding, certificate-based access, MAB, and TACACS+ services.
• Administer DNS, DHCP, IP Address Management (IPAM), NTP, and core network services.
• Support network security technologies including firewalls, VPN gateways, web security appliances, and network segmentation.
• Monitor network availability, latency, capacity, utilisation, performance, and service health using enterprise monitoring platforms.
• Execute network configuration changes, standard service requests, firmware upgrades, patching, and lifecycle activities through approved change processes.
• Troubleshoot routing, switching, wireless, authentication, firewall, VPN, and performance-related incidents across enterprise environments.
• Support implementation and operation of Cisco DNA Center, network automation, software-defined networking, and infrastructure management platforms where applicable.
• Collaborate with security, server, cloud, and endpoint teams to ensure integrated service delivery and incident resolution.
• Automate operational tasks using scripting and network automation tools where authorised.
• Maintain network diagrams, SOPs, knowledge articles, operational runbooks, audit evidence, and configuration standards.
• Handle incidents, requests, changes, problem records, compliance activities, and documentation through ITSM platforms.
Core skills and platforms
• Cisco Routing and Switching
• LAN, WAN, WLAN and VPN Technologies
• Cisco ISE, 802.1X and NAC
• Cisco DNA Center
• DNS, DHCP, IPAM and Core Network Services
• Firewall and Network Security Technologies
• Network Monitoring and Performance Management
• ServiceNow ITSM and ITIL Processes
• PowerShell, Python or Network Automation Tools
Preferred certifications
• Cisco CCNA Enterprise
• Cisco CCNP Enterprise (preferred)
• Cisco Certified Specialist - Enterprise Network Infrastructure
• ITIL Foundation
• Network Security Certification (preferred)
Delivery expectations
• Strong ownership of network operational stability and service availability.
• Analytical troubleshooting skills across complex enterprise network environments.
• Ability to work within incident, change, security, audit, and compliance frameworks.
• Effective stakeholder communication, documentation discipline, and operational reporting capability.
• Participation in agreed support coverage, transition activities, knowledge transfer, automation initiatives, and continual service improvement programmes.
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。
