Leo H.

Leo H.

Solutions Architect

Sunnyvale , United States

Experience: 23 Years

Leo

Sunnyvale , United States

Solutions Architect

252000 USD / Year

  • Immediate: Available

23 Years

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About Me

Candidate has 20+ years of experience as a network engineer and has a broad understanding of Cisco, juniper, Palo Alto, Brocade, Sonic foundry, F5 ,Aruba AWS,HP Helios ,Service provider networks ,Fortune 500 enterprises with (HA) network services and...

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Portfolio Projects

Description

  • Performed ramp introduction to SDN technologies for service providers Advanced level networking professional’s for AT@T and AWS.
  • Participated in Advanced Linux administration for server and compute nodes for cloud technologies in service provider space utilizing juniper networking gear.
  • Perfected the utilization of the python programming language in service provider space for JUNOS base networking gear.
  • Designed and developed YANG and Netconf models for Southbound Communications for service provider space SDN controllers.
  • Performed Advance Openstack Orchestration administration and design modeling combined with Juniper Contrail and RYU controllers for service provider space.
  • Trained other professionals on Juniper Intermediate routing technics and service provider protocols BGP OSPF ISIS.
  • Implemented OpenStack Architecture Templates Nova, Keystone, Heat, Neutron, Cinder, Glance, Heat and Mirantis
  • Deployed CI/CD, DevOPs process with agile software development tools Jira,Jenkins,GitHub,Ansible, Puppetand Docker

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Description

  • Performed ramp introduction to SDN technologies for service providers Advanced level networking professional’s for AT@T and AWS.
  • Participated in Advanced Linux administration for server and compute nodes for cloud technologies in service provider space utilizing juniper networking gear.
  • Perfected the utilization of the python programming language in service provider space for JUNOS base networking gear.
  • Designed and developed YANG and Netconf models for Southbound Communications for service provider space SDN controllers.
  • Performed Advance Openstack Orchestration administration and design modeling combined with Juniper Contrail and RYU controllers for service provider space.
  • Trained other professionals on Juniper Intermediate routing technics and service provider protocols BGP OSPF ISIS.
  • Implemented OpenStack Architecture Templates Nova, Keystone, Heat, Neutron, Cinder, Glance, Heat and Mirantis
  • Deployed CI/CD, DevOPs process with agile software development tools Jira,Jenkins,GitHub,Ansible, Puppetand Docker

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Description

  • Implemented Process For Provisioning Change Management Validations to meet expanding Global Customer Foot Prints into AWS BFC 5 generation global Cloud
  • Design and Implemented Process for Change Management Conversion's from Euclid 1.0 Design to Euclid 1.5 to Euclid 2.0.
  • Provided Network Performance Management solutions to provide end-to-end visibility and analytics to deliver actionable Management information to resolve performance problems on all Euclid conversions.
  • Created and modified DNS traffic and Traffic shifting process across multiple client domains.
  • Utilized AWS proprietary Provisioning Process's to speed up initial implementation of AWS commodity networking Practices across Multiple Client Datacenters.
  • Centrally configured, monitored, upgraded, and reported on Catlantis, Atlantis and IN script LAN WAN deployments Across AWS Managed Hosted Data Centers.
  • Design and Implemented 40000 LAN Network Agg deployment Processes Over seven Regions for Production Network Capacity Demands and Scaling for future demand on the AWS global network.
  • Scaled AWS production network with Network AGG deployment process’s with Security Protocols that meet all public and Private ISO 27001 and NIST sp800 requirements for global security certification.
  • Performed disaster recovery Design and implementations for 7 datacenters for ITIL certification.
  • Designed a Palo Alto Networks packet flow architecture to determine the results of a policy evaluation to establish new security guidelines and procedures.
  • Identified the proper use of public key infrastructure components on Palo Alto security platform.
  • Migrated Algosec FireFlo firewalls to Palo Alto security Platform.

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Description

  • Designed and implemented a solution that uses the Palo Alto Networks security platform to meet the business requirements.
  • Evaluated high availability (HA) designs and configurations in various deployments for decommission of cisco ASA and transition to Pal alto.
  • Created and Performed EDGE conversions of EBGP from XO and Limelight ISPs to Level 3 and Cogent circuits for three datacenters.
  • Provided all consulting for conversions of Cisco IOS XR and IOS NX to junipers OS for edge and access routing and Switching.
  • Performed all conversions of Cisco ASA, Juniper SRX, and SA to Palo Alto security Platforms.
  • Manifested and scripted all Change management and provisioning for the new routing and security domains.
  • Identified and corrected all methods of authorization, authentication, and device administration for all cisco, juniper and Palo Alto devices.
  • Created a system and traffic monitoring dashboard for handling issues using the Palo Alto Networks platform’s Web UI and CLI tools.
  • Scaled juniper’s networking platforms for all IBGP, EBGP, OSPF routing policies standard and extended routing.
  • Performed L2 MSTP and RSTP Issue reporting and monitoring for All Access switches.

Utilized Linux and Windows servers for AAA and directory services

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Description

  • Implemented Cisco WAVE 7541 WAAS to extend WAN optimization across Enterprise Clients Branches, Data Centers and Global Clouds.
  • Design and Implemented F5 Big-ip Domain for Fortune 1000 Clients with Multiple oc48 Links.
  • Provided Riverbed Steelhead Network Performance Management solutions to provide end-to-end visibility and analytics to deliver actionable Management information to resolve performance problems.
  • Created and modified load balancing pools In F5 big-ip load balancer's across multiple client domains.
  • Utilized Cisco Prime Unified Provisioning Manager to speed up initial implementation of Cisco Unified Communications across Multiple Client Datacenters.
  • Design and Implemented 100000 LAN Network Agg deployment Processes Over seven Regions for Production Network Capacity Demands for Cisco and Juniper vendor BOMs and commodity network BOM.
  • Performed Network analysis on LAN and WAN deployments for Capacity and SLA agreements. .
  • Centrally configured, monitored, upgraded, and reported on Riverbed Steelhead deployments Across Managed Hosted Data Centers.
  • Performed IOS/IOS-XR software upgrades on AT&T's edge production Cisco ASR 9000 series routers and Juniper MX series routers and switches as well as Cisco CSR series routers and switches
  • Supported EMC Celera unified storage network system with advanced failover and fully automated storage tiers to multiprotocol elements of AT&T enterprise SAN environments.
  • Performed IOS/IOS-XR/JUNOS software upgrades on AT&T's edge production Juniper routers and switches as well as Cisco GSR series routers and switches.
  • Performed root cause analysis support and advanced calls for all BGP and IP6 roll-out issues as well as whiteboards for performance teams on Juniper M320, T640, MX960, and MX480 routers, switches, and load balancers.
  • Maintained multiple EMC CX/NS, HP EVA, and Dell Equal Logic storage networks for AT&T business units via network-attached storage (NAS),iSCSI,and fiber channel storage area network into fiber switches on 7 OCX48s.
  • Performed Oracle 10g Release 2 and SQL database administration on AT&T business enterprise network.
  • Pooled NETAPP FSERIES storage devices from multiple AT&T network storage areas into a single storage network that is managed from a central console for storage virtualization.
  • Designed and implemented a Dell Equal Logic SAN on AT&T backbone and managed end-to-end virtualization across server, network, and storage segments within enterprise network.
  • Deployed and maintained VMware Site Recovery Manager for all virtual lab environments and production storage environments to include all enterprise business units of AT&T.
  • Installed and deployed HP-UX, VMware, and Windows Server 2003 and 2008 operating systems across AT&T's global enterprise network to meet the demand of network virtualization expansion and to provide administration to smaller Fortune 1000 clients.
  • Supported all storage network arrays to include the management of software configuration for global network virtualization in an AT&T enterprise environment.
  • Designed a process needed to update all Palo Alto Networks systems to the latest version of its code or content for AT@T Managed Hosting services
  • Provided network engineering architectural support for a large consulting organization performing LAN/WAN/security.
  • Researched new technologies and developed new ideas in the application development of networking services to include IDS and DNS record extraction for major international financial companies.
  • Responsible for the configuration, installation, and deployment of all LAN/WAN utilizing network hardware such as Cisco routers, Cisco switches, firewalls, Citrix Netscaler load balancers.
  • Researched, diagrammed, installed, and operated Cisco routers, switches, bridges, hubs, modems, terminal adapters, consoles, and TFTP servers of major service providers for global client connectivity and application development of major network security policies.
  • Managed, designed, secured, and troubleshot TCP/IP based internetworks including Juniper firewalls, routers, switches, and load balancers.
  • Regularly worked with VPN technologies such as IPSEC as well as MPLS.
  • Gained hands-on experience working with Ixia and Spirent tools.
  • Identified how configuration management operations on Palo Alto Security platforms are used to ensure operational integrity.

Designed and Maintained Check Point 13000 Appliances from the ground up for all high Availability data center cyber-security performance infrastructures for USA

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