David Deguzman Email & Phone Number

Woodbridge, Va, Us

Reston, Va

Member on a team responsible for building a standard, secure infrastructure in order to provide fast deployment of new features and services in the media industry.- Remotely administered system administration tasks, as needed on 3000+ HPE Moonshot blade servers and Openstack virtual machines using VPN and SSH across multiple data centers. - Performed server builds through automation using bash scripts, Ansible playbooks, and Puppet on 3000+ nodes.- Configured LDAP authentication on HPE Moonshot 1500 chassis’.- Configured Radius authentication on HPE 45G Moonshot switches.- Worked closely with HP and Cisco support desk on hardware issues and Comcast data center engineers on networking issues and hardware replacements (HDD, SDD, Switches, Uplink Modules, etc.)- Participate in on-call rotation to provide 24x7 production support.- Spearheaded security vulnerability initiative, reducing vulnerability count from 3000+ to fewer than 500.- Contributed to documentation on internal wiki, providing how to instructions and troubleshooting steps after a production issue has been brought to resolution.

Reston, Va

QA lead on an agile development team, responsible for testing web-based applications that are utilized across multiple organizations, some of which have a direct financial impact to Comcast’s VOD (Video On Demand) business. Performed system administration duties during testing downtime.- Create test plans that map directly to functional business requirements and executing various types of testing (functional, non-functional, regression, ad-hoc and user acceptance testing) for Brouha, an incident management application that is being used by Tier 1 support desks to replace certain Remedy functions along with SAMS notifications to senior leadership.- Create test plans that map directly to functional business requirements in and executing various types of testing (functional, non-functional, regression, ad-hoc and user acceptance testing) for Ramsden, an integral part of Comcast’s next generation VOD platform. Ramsden is responsible for every VOD session created across the nation.- Automated regression test cases to allow more testing in a shorter period of time using Selenium IDE, Selenium Webdriver, and Ruby.- Identified bugs/defects and worked with developers to fix and retest.- Assumed daily system administrative duties from other team members so they could focus on high priority projects. Daily system administrative duties to include, DNS entries/removals, GSLB/VIP setup, decommissioning physical and virtual servers, asset management, and documentation.- Installed and setup Nagios to monitor nodes and perform service checks for different operations teams within Comcast.- Performed server builds and rebuilds on HP, Dell, and Cisco servers.- Participate in on-call rotation to provide 24x7 production support.

Falls Church, Va

- Comcast leadership recruited me as a permanent employee based on my performance.- Responsible for testing web-based applications.

Herndon, Va

- Facilitated monthly meetings between multiple business departments in order to bring issues out in the open, provide feedback to application changes and releases, coordinate User Acceptance Testing (UAT) and collect fully detailed business requirements for application enhancements to be prioritized- Provide detailed analysis on current business process and application features in an effort to provide alternative solutions, work with development to provide road maps and implementation timelines, and increase overall process efficiency- Responsible for supporting multiple proprietary custom applications across different platforms such as Java, Lotus Notes, Oracle and Sybase by providing business functional requirements (including screen shots), testing, custom reporting and on call production support- Perform DB Mod frequency and root cause analysis in order to reduce reoccurring DB Mods by implementing changes in business process and application functionality thus reducing audit and control level risks to Fannie Mae- Provide application supporting metrics to upper management allowing the measurability of DB Mod requests and current status, UAT testing status, project planning, application migration schedules- Conduct application training in order to provide general use, database schema, application interfaces (in/out) and support to cross departmental teams- Responsible for updating Clear Quest with new Production Change Requests (PCR) allowing each request to be reviewed and prioritized by Business-to-Technology teams and Change Review Board (CRB) - Create test plans that map directly to functional business requirements in Mercury Quality Center and facilitate UAT for each application implementation and migration

Herndon, Va

- Coordinate between business and technical teams in order to create and maintain business requirements in the Fannie Mae corporate Els-If standard- Facilitate database modification and application enhancements through application change request tracking system while ensuring appropriate management approvals and corporate review- Complete user acceptance testing (UAT) for all database changes and application enhancements through the use of a web based testing tool where the validation of each step, successful or not, can tracked and recorded- Conduct weekly meeting with both the business and technical teams promoting straight forward and direct communication regarding project schedules, timelines and open issues

Springfield, Va

- Implemented Policies and Procedures in multiple store locations increasing overall efficiency, productivity and profitability- Assist in ongoing pilot production migration of the Microsoft Windows based Point of Sale (POS) system. Act as the corporate user test group for the national production migration scheduled for 2007- In charge of maintaining accounts receivable balance below a certain percentage; achieved 90% collections success rate with a goal of 76%

Information Technology

Education record

Information Technology

Systems Engineering