Key Responsibilities
Network Monitoring & Operations
- Monitor network performance, availability, and alerts using NMS tools.
- Troubleshoot and resolve L1/L2 network incidents related to routers, switches, firewalls, and load balancers.
- Perform root cause analysis (RCA) for recurring network issues.
- Maintain documentation for incidents, changes, configurations, and standard operating procedures.
Network Device Management
- Perform configuration, upgrades, and maintenance of:
- Routers (Cisco, Juniper, etc.)
- Switches (Layer 2 & Layer 3)
- Firewalls (Palo Alto, Fortinet, Cisco ASA, Check Point, etc.)
- Load Balancers (F5, Citrix ADC, etc.)
Network Delivery / Implementation Tasks
- Execute port activations (port turn-ups) and end-to-end connectivity tests.
- Create, modify, and validate firewall rules while following security policies.
- Participate in network deployments, migrations, and capacity expansion activities.
- Assist in implementing load-balancing policies and traffic routing rules.
Operational Support & Compliance
- Work with cross-functional teams to support application rollouts and infra changes.
- Ensure all changes follow ITIL processes (Change, Incident, Problem).
- Maintain network security and compliance through periodic audits and patching.
- Participate in on-call rotation or 24/7 support shifts (as applicable).
Required Skills & Qualifications
- Strong understanding of networking protocols: TCP/IP, VLANs, STP, BGP, OSPF, HSRP/VRRP, NAT/PAT, etc.
- Hands-on experience with enterprise-grade network hardware.
- Experience with firewall management and rule deployment.
- Familiarity with load balancer concepts: VIPs, pools, health monitors, SSL offloading.
- Good knowledge of troubleshooting tools (Wireshark, traceroute, ping, netstat).
- Ability to read network diagrams and understand architecture flows.
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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。
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