Engineer Network

Robert Chang

Fremont, CA *****

Cell: 510-***-**** *********@*****.***

https://www.linkedin.com/in/crchang

Summary:

10+ years’ progressive experience in network engineering, system integration testing (SIT), NPI product QA, customer issues troubleshooting, customer solution verification and automation in Network Security/Firewall/UTM/L2-7, Data Center, and Routing & Switching.

Security and Cloud Enthusiast. Understanding and labs of cloud computing (AWS: Networking/VPC, Security/IAM, EC2, S3; VMware: vSphere, NSX, SDDC), IaaS, and PaaS. Experience in network and server virtualization (Cisco CSR1Kv, Fortinet virtual firewall appliance, VMware ESXi/vSwitch).

A passionate engineer/team lead/project manager, who excels at delivering quality products and solutions with billion dollar revenue (Fortinet FGT7K/6K/5K/FGT-VM, Cisco N5K/N6K switches/UCS servers, Catalyst 6K switches, Tellabs 88xx multi-service switch router or ISR routers).

Strong technical skills, team player, customer and quality focused experience, able to drive solution from product requirements, self-motivated, and ability to meet or beat schedule with good track records.

Technical Skills:

Platforms: Fortinet FGT-7K/6K/5K/3K/FGT-VM, Cisco Nexus switches – N1Kv/N2K/N3K/N5K/N6K/N7K, Top of Rack (ToR) and spine and leaf switches, UCS FI Switch, Catalyst 6K/3K. UCS B-Series and C-Series Servers, network virtualization (Cisco N1Kv/VIC), hypervisor - VMware vSphere/ESXi 6.5, Tellabs 88xx edge switch router. Knowledge/labs in SDN/NFV.

Protocols: In-depth experience or knowledge in Firewall/IPS/UTM, HTTPS/IPSec VPN/SSL VPN, data center protocols, L2 Ethernet Switching, L3 IPv4/IPv6 Unicast Routing (OSPF, BGP), IPv4/IPv6 Multicast Routing, MPLS Switching (VPN, LDP, RSVP-TE), IOS Security, Broadband Network (TR-101, DOCSIS 2.0), and VoIP. Certification: CCIE R&S Written.

Network Programming/Automation: Python (AWS, Fortinet, Cisco, Polaris Network), Tcl/Expect (Cisco), C (earlier career as a software engineer).

Hypervisor/OS: VMware vSphere/vCenter/ESXi, VirtulBox; Cisco NS-OS, IOS-XE, Linux/Ubuntu Redhat/CentOS VMs, Window VMs.

Experience (Project Highlights):

Fortinet, Sunnyvale, CA (Feb 2016 – May 2018)

Sr. Security Software QA Engineer

Successfully delivered FortiGate NPI (New Product Introduction) releases, GA and maintenance releases and products of FGT-7K/6K/5K. Investigated, reproduce, and verify customer issues using Ixia Breaking Point (L3/L4/L7 traffic), snmp/syslog(analytics: splunk), ESXi v6.5/vCenter/VM backup and restore, Ubuntu v16.04 Linux VMs/tools, FGT VM, and CSR1K. Create and execute test cases as well as scripting/automation using Python, PyCharm IDE, GitHub, Jenkins.

Focus on product Dev QA of FGT-7K/6K/5K enterprise next-generation firewall (NGFW)/Unified Threat Management (UTM), HTTPS/IPSec VPN/SSL VPN with high-availability (HA), built-in load balancers/controllers, multiple worker blades, and 10G, 40G, or 100G ports in R&D team.

Cisco Systems, San Jose, CA (Jun 2005 – Oct 2014)

Sr. Network Software/QA (SQA) Engineer

Designed and executed Port-Security, CDP, LLDP/DCBX, UDLD, and LACP test plan for 3rd gen UCS FI 10G/40G switch and UCSM including Broadcom Trident II SOC, VIC/CNA, NIV, VMFEX, Adapter FEX, FCoE, Cisco N1Kv, VMware vSphere/vSwitch/ESXi, vCenter, vMotion, converged management, UCS Server Virtualization (Blade Servers/Rack Servers), N3K/N6K setup, python automation. Initiative for Ixia IxVM/IxNetwork product trial and evaluation in support of VM traffic generator and protocol simulator.

Delivered Nexus release 6.0(2)N2(1) and 7.0(0)N1(1) of N5K/N6001/N2K Enterprise L2 + L3 DC verified scalability and convergence with Top of Rack (ToR) and spine and leaf switches. Features are 16 FEX + 23K unicast/4K multicast MACs + 1100 IPv4-hosts +1360 IPv6-hosts + 3500 IPv4 routes, 1920 IPv6 routes + 4K multicast routes + 16K (P,V) logical ports + 1K VLANs + 4K IGMP groups + 256 HSRP/VRRP + 1K DHCP snooping + PBR + vPC in CE or L2MP/FabricPath (IETF TRILL) modes. Automation using Tcl/Ixia API, Ixia IxNetwork traffic generator and protocol simulator, and N7K fanout. The verified scalability design was published to customers for scalable and high availability network design that minimizes customers’ network downtime and lost revenues.

Delivered Cat 6K Sup2T, CTS (Cisco TrustSec) together w/ Cisco Identity Service Engine (ISE), a key component in Cisco security solution. Delivered Cat 6K Sup720 L3 unicast, ACL (Yahoo use case) features, and 10G LC cost reduction project.

Tellabs, San Jose, CA (2003 – 2005)

Lead Engineer

Designed/executed/led IP/GRE/QoS, MPLS traffic engineering/LDP/RSVP-TE/OAM, RFC 2547 VPN devtest testing project on Tellabs 88xx multi-service switch router (supporting non-stop forwarding, stateful switchover, graceful upgrade, and high-availability.

Polaris Networks (a start-up), San Jose, CA (2001 – 2003)

Staff Engineer

Designed and executed GMPLS RSVP/OSPF Test Plan, Node Maintenance Test Plan (cold/warm restart, controller headless/switchover, node restart etc.), and Path Bridge & Roll Test Plan using OMNIBER and ANT-20 tester and python 2.1 programming/automation, real-time and multi-tasking VxWorks.

Cisco Systems, San Jose, CA (1999 – 2001)

Sr. Software/QA (SQA) Engineer

Managed IP/MPLS projects (7 engineers) on IP+ATM switch (MGX8850) with IP blade based on Cisco 7K router. Delivered MGX release 1.1.32 Development Test (DevTest).

Synacom Technology (a startup), San Jose, CA (1998 – 1999)

Staff Engineer

Design system functional specifications for Wireless Mobility/HLR/VLR, Network Security/Authentication Center.

Verizon Wireless, Walnut Creek, CA (1994 – 1998)

Network Engineer/Project Manager

Network Engineering, Deployment for Wireless Mobility/HLR/VLR, Network Security/Authentication Center

Education:

AWS continuing education and certification (Apr 2018 – Present): Completed Architecting on AWS @ AWS San Francisco, acloudguru AWS solution architect (associate) classes and hand-on labs focusing on EC2, VPC/networking, IAM, S3 and CloudFormation services. Finished AWS security (IAM, VPC/networking, S3, EC2, CloudFormation etc.), AWS compute (EC2, ECS, Lambda function, CloudFormation etc.), data & analytics, machine learning, DevOps (CI/CD pipeline) workshops and hand-on labs. Work on AWS certified solution architect - associate exam.

Master’s Degree in Computer Science Engineering (CSE), University of Texas, Arlington, Texas.

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