Manish Dhankhar

Experience

1. Principal Systems Admin

   DISH TV

   Jun 2023 — Present · Englewood, CO, US

   Results-driven Network Security and Cloud professional with 20+ years of experience. Proven expertise in multi-cloud environments including AWS, OCI, and GCP, with a strong focus on network security, and Zero Trust architecture.Zero Trust architecture with Zscaler (ZIA, ZPA, ZDX, Client Connector, Branch Connector)Cloud networking (Transit Gateway, VPC, Subnet routing, security groups, EC2, S3 IAM)Network security (WAF, firewalls: Cisco ASA, Palo Alto, Check Point)LAN/WAN design and implementation, Routing and Switching VPN technologies (Client VPN, Site-to-Site VPN, DMVPN,)ZSCALER EXPERIENCE-Experience with Zscaler (ZIA, ZPA, ZDX) delivering secure Zero Trust solutionsHands-on experience with traffic forwarding methods: PAC files, Zscaler Client Connector, GRE, and IPsec tunnelsProven experience deploying and configuring ZPA App Connectors for secure access to private applicationsExperience implementing Zscaler Branch Connectors to enable Zero Trust connectivity for branch officesCLOUD EXPERIENCE-Strong experience working in AWS, OCI and GCP Cloud environments with a focus on networking, connectivity, and securityDaily management and implementation of infrastructure changes using AWS CloudFormation and Terraform scriptsHands-on experience with core AWS services: VPC, EC2, ELB, S3, IAM, Security Groups, WAF, Private link and Auto ScalingSECURITY AND VPN- Administered enterprise firewalls across VM and physical environments (Palo Alto, Cisco ASA, Check Point)Centralized firewall management and policy deployment using Palo Alto PanoramaEstablished and managed B2B Site-to-Site VPNs using IPsec and GRE tunnels with third-party vendorsDATA-NETWORKING-Cisco Routers, Switches and other Supported Network Devices.Responsible for High priority Issues for Data-Network at L3.Configuring and troubleshooting various Routing protocols (BGP, OSPF, EIGRP, and RIP)

Education

• Guru Jambheshwar University

  Master's degree, Information Technology

  2008 — 2010

Skills

• Service Delivery
• IT Service Management
• Requirements Analysis
• Routers
• Cisco Call Manager
• Switches
• Vendor Management
• Itil
• Ccvp
• Pre-Sales