Hariharan M

Possess nearly 2+ years of extensive experience in ISP network infrastructure and full-spectrum network administration, with a specialization in managed services for customer WAN and LAN infrastructure. Accountable for strategizing, designing, monitoring, and maintaining networking devices and infrastructure to ensure seamless connectivity and performance. Proficient in managing and configuring routers, switches, firewalls and SD-WAN with a strong background in troubleshooting connectivity issues. Hands-on experience with SD-WAN technologies, including Cisco Viptela, Versa Networks, and Fortinet firewalls. Experience in day-to-day troubleshooting of Aruba NAC (ClearPass). Skilled in basic troubleshooting of Aruba and cisco Wireless LAN Controllers. Gained valuable onsite experience in project transitions. Holds certifications as a CCNA from Cisco.

• Contributed to the attainment of strategic and operational goals of a geographically dispersed team operating in a 24/7/365 environment.
• Responsible for incident management utilizing the ServiceNow platform.
• Implemented WAN networks between Provider Edge (PE) and Customer Edge (CE) using routing protocols such as BGP, Static, and OSPF.
• Accountable for the support, installation, and maintenance of network infrastructure, including switches, routers, SDWAN and firewalls.
• Creates and maintains the networking environment by designing system configurations, directing system installations, and defining, documenting, and enforcing system standards.
• Enhances network performance by monitoring and troubleshooting issues and outages, scheduling upgrades, and collaborating with network architects on optimization efforts.
• Conducted periodic fallback testing and maintenance to ensure seamless network services.
• Available for on-call support to manage customer escalations promptly.
• Broadly maintaining SD-WAN solutions for managed customers, providing prompt support for new requirements.
• Collaborating with the OEM team for VAPT (Vulnerability Assessment and Penetration Testing) and addressing various vulnerabilities.

• SDWAN:
• Versa - Versa- V110 2)
• Cisco - Viptela- Cisco-C1111-4P, C1111-8P,
• FORTINET FIREWALL- 40D, 60E , 100E,300E,200F,40F
• CISCO ROUTERS: C800,C900,ISR 4221,ASR 1001
• HP ROUTERS: MSR 3000series ,MSR 1000series