William Yiu Email & Phone Number

Herndon, VA, US

Mclean, Virginia, United States

- Provide strategic technical leadership and oversight, guiding technical decisions and managing personnel across multiple high-value contracts.- Drive innovation by researching and implementing advanced cloud methodologies and tools, enhancing productivity, security, reliability, and performance, while delivering comprehensive documentation and support.

Washington, District Of Columbia, United States

• Developed automated systems for software development, testing, and deployment following DevOps principles.
• Managed AWS cloud infrastructure for medium to large enterprises, ensuring compliance with security standards.
• Configured CI/CD pipelines with a focus on containerization, enhancing software release efficiency.

• Led a team of 120 engineers and developers in a $120 million modernization effort.
• Designed and implemented an Enterprise Service Bus handling 20 million transactions for real-time data exchange.
• Managed deployment pipeline using RedHat Openshift, AWS EKS, GitHub, Jenkins, and more.

Washington D.C. Metro Area

- At DHS Information Sharing Services Office, working as a Technical Lead on the Data Framework program to provide strategy, architecture, design, engineering and deployment support to implement and maintain a Hadoop-based Big Data infrastructure deployed in AWS GovCloud, DC1 and C2S to deliver near real-time data to end-users and mission operators for.

Washington D.C. Metro Area

- Created similar cluster in AWS from ground up. This effort included setting up the infrastructure services, such as DNS (Route 53), Security Groups, and Kerberos (used by Cloudera).- Collaborate with the team to ensure and monitor that all the technical deliverables are in adherence with the agency technical mandates and guidelines- Leading a team of.

Manassas

• Member of the engineering team in designing the next generation satellite support system platform
• Research and debug problems in the existing system infrastructure
• Act as a technical resource for operation team in troubleshooting
• Design and implemented the lab upgrades, leveraging red hat virtualization infrastructure

Herndon, VA

• Lead a small team of senior engineers, delegate assignments, and manage multiple projects.
• Advise NOC management regarding technical aspects and made decisions on engineering designs.
• Coordinate TWC network activities with the corporate office, cable divisions, and related departments.
• Developed the disaster recovery plans for the NOC in both technical systems and the logistic.
• Evaluate system parameter compliance by analyzing configuration audits.
• Designated escalation point of contact for all NOC engineers and technicians.

Herndon, VA

• Lead a small team of senior engineers, delegate assignments, and manage multiple projects.
• Advise NOC management regarding technical aspects and made decisions on engineering designs.
• Coordinate TWC network activities with the corporate office, cable divisions, and related departments.
• Developed the disaster recovery plans for the NOC in both technical systems and the logistic.
• Evaluate system parameter compliance by analyzing configuration audits.
• Designated escalation point of contact for all NOC engineers and technicians.

Herndon, VA - GNOC

• Audited the Time Warner Cable commercial network using EMS (Netcool, INC, DNA, etc).
• Troubleshot network issues by communicating effectively with customers and fix agents.
• Developed daily plan for system operations.
• Designated as point of contact/escalation point for customer to report network issues.
• Analyzed ticket queue promptly on a continuous basis while supporting clients.
• Collaborated with the RNOC to create change management tickets, notifying customers of the change events.

Reston, VA – IP Services/Managed Network Services

• Provided Tier 3 technical support for managed service clients.
• Repaired layer 2/layer 3 switching and routing issues.
• Designated escalation point for Tier 2.
• Headed as main point of contact for clients RMA.
• Analyzed ticket queue promptly on a continuous basis while supporting clients.
• Designated as Team Lead to manage the NICC (Network Integration and Commissioning Center) group of the 4G WiMax team.

Lenexa, KS - 4G Xohm Wimax, 3G Evdo

• Enhanced aggregator to provide access to the tower network entrance.
• Configured aggregator daily to convert all towers from HDLC to MLPPP.
• Collaborated with a small group of engineers to carry out the network-wide MLPPP migration.
• Instituted a methodical process for daily migration and aided in developing the 4G WiMax provisioning process.
• Implemented Cisco system IOS upgrades.

Oversee the network for day-to-day operation. Maintain Server 2003 and domain environment. Helpdesk function and service end-user machine. Configure, maintain and manage all network equipment including Cisco routers and switches.