Christopher Guzman Email & Phone Number

Seattle, Wa, Us

Seattle, Wa, Us

Bellevue, Wa, Us

• Supports launch at truck assembly plants as needed, and resolves field issues as identified• Coordinates with suppliers as needed to ensure purchased software is delivered on time and correctly structured for PACCAR use• Answers REIs according to the Bill of Material (BOM) Group procedures• Manages embedded software deliverables and coordinates with stakeholders ensuring successful vehicle software launches in PACCAR manufacturing plants and fields• Packages and releases embedded software to support PACCAR systems• Releases control of software components and parameters for commercial vehicles• Completes engineering change notice documentation to manage software & calibration parts and parameter definitions• Evaluates and improves processes for selecting, configuring, composing, and delivering embedded software

Bellevue, Wa, Us

• Provided quality assurance for the Vehicle Software Delivery Diagnostics team• Performed vehicle and engine diagnostic software testing using test benches• Collaborated and organized testing efforts with other test engineers when a new application version is released• Coordinated program and validation activities with developers, quality assurance testers and other team members at remote sites• Participated in daily standup and triage meetings• Thoroughly troubleshooted an issue before ruling out as a defect• Created software defects and provided detailed information to the triage team to easily review, identity and prioritize the severity of the defect• Proficient in setting up and using laboratory test equipment such as the rack, engine trim and digital display flashing stations

Seattle, Washington, Us

• Supported product teams as the tester and Subject Matter Expert. • Created and executed quality test cases for designated software development projects with good coverage • Manually executed test plans to validate system functionality against specifications• Troubleshoot test failures by analyzing data through various sources• Performed compatibility testing between Windows and Mac, Android and iOS mobile devices utilizing different browsers and mobile app• Worked with developers to investigate and resolve reported problems and provides temporary testing support for experimental software• Daily meeting with the product team to provide status and plan of workload in progress• Utilized Postman for REST API testing

Alpharetta, Georgia, Us

• Defined and built an automated test workflow, including the use of open source technologies and custom tools under close supervision of Test Lead• Developed testing programs that address areas such as database impacts, software scenarios, regression testing, negative testing, error or bug retests, or usability.• Participated in product design reviews to provide input on functional requirements, product designs, schedules, or potential problems.• Reviewed software documentation to ensure technical accuracy, compliance, or completeness, or to mitigate risks.• Performed initial debugging procedures by reviewing configuration files, logs, or code pieces to determine breakdown source.• Executed in a software startup environment including activities: green field designs and implementations, build systems, engineering processes, and delivery systemsHTML, CSS, jQuery, JavaScript, Selenium, Git, JASONLint, Postman, Java

Reston, Virginia, Us

• Systems administrator of enterprise database to ensure data integrity for Accounts Payable team. • Managed port forwarding operating procedures of popular telecommunication services such as 800, Local Number Portability, LIDB, CNAM, Do Not Call lists. • Performed hands-on administration, monitoring and troubleshooting Service Order Request portal resulting in optimum performance and minimum downtime. • Responsible for maintenance and administration of department group mailbox, electronic storage of service orders and customer correspondence.

Reston, Virginia (Va), Us

• Provided first tier-support for products and services such as SmartPay, American Roaming Network, Service Order Administration, Line Information Database, 800 Database, Short Messaging Services. • Managed customer service feedback and organized company wide initiatives based on questions and concerns. • Trained all new employees on Oracle Core, customer data entry, and organizing customer interaction logs. • Developed and documented system requirements based on user input and prepared requirement specifications.

• Subject matter expert to multiple in-house products such as UDCA, DNC, Report Hub, 800.• Teamed up with Project Manager, Product Manager, Implementation Manager, Quality Assurance Testers, Customer Resource Technicians, Software Engineers, Operations Engineers and Account Managers to resolve intricate issues related with product/service roll-out.• Determined and documented system requirements based on user input and preparing requirement specifications.• Prioritized company projects effectively, communicating priorities and plans to management• Worked with several operating systems such as Linux, UNIX and Windows platforms.• Guided Customer Support Representatives researching resolution and properly document client related issues for future reference.Assembly Language, Visual Basic, C, C++, Microsoft Access, Salsa, Java, UNIX, SQL, Red Hat Linux, Java, MySQL, Javascript, SSH, Bash, DOS, HTML, CSS