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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The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.
- Cognizant is a global community with more than 300,000+ associates around the world.
- We don’t just dream of a better way – we make it happen.
- We take care of our people, clients, company, communities and climate by doing what’s right.
- We foster an innovative environment where you can build the career path that’s right for you.
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.
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.
Disclaimer:
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.