David Drejas

David Drejas

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Lead ServiceNow Architect at ManTech supporting NASA's Jet Propulsion Laboratory
Homewood, Illinois, United States

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  • NASA Jet Propulsion Laboratory
    ServiceNow Lead Architect
    NASA Jet Propulsion Laboratory
    Feb 2021 - Current (5 years 9 months)
    I am the Platform Architect and Lead Developer of the NASA Jet Propulsion Laboratory ServiceNow Instance.
  • MANTECH
    ServiceNow Lead Architect
    MANTECH
    Feb 2021 - Current (5 years 9 months)
    I work as a ServiceNow Senior Developer for ManTech supporting NASA's Jet Propulsion Laboratory.
  • Honda Motor Co., Ltd.
    ServiceNow Senior Developer
    Honda Motor Co., Ltd.
    Jan 2021 - Feb 2021 (2 months)
    This contract was my primary focus while at Stefanini. -Worked as the senior member of Honda's ServiceNow development team -Met with stakeholders to determine the best solutions to problems -Did all senior level development for the team
  • Stefanini Group
    ServiceNow Sr. Architect
    Stefanini Group
    Dec 2020 - Feb 2021 (3 months)
    -I met with clients to understand the problems they needed to solve and I proposed solutions that leveraged ServiceNow. -Developed most my proposed solutions for them myself. -Delivered high output of development while making sure that all stories are written well with good architectural design.
  • AHEAD
    ServiceNow Developer
    AHEAD
    Oct 2020 - Nov 2020 (2 months)
    -AHEAD purchased RoundTower Technologies, LLC in October 2020, so I finished the last couple months of my existing RoundTower Technologies, LLC contract as a consultant for AHEAD. -Please refer to RoundTower Technologies, LLC to see my job responsibilities at AHEAD since they were identical.
  • Gentis Solutions
    ServiceNow Developer
    Gentis Solutions
    Jun 2020 - Nov 2020 (6 months)
    -Gentis Solutions set up a six month contract for me to be a consultant at RoundTower Technologies, LLC. -RoundTower Technologies, LLC was purchased by AHEAD in October 2020, and I completed the last couple months of my Gentis Solutions contract as a consultant for AHEAD. -The responsibilities of this job are described in greater detail below.
  • R
    ServiceNow Developer
    RoundTower Technologies, LLC
    Jun 2020 - Nov 2020 (6 months)
    -I was a member of RoundTower's Professional Services team as a client-facing ServiceNow developer. -I worked directly with sixteen total clients developing solutions for each. These stories were typically a part of a project and written by RoundTower architects. I also interfaced with clients in meetings and email. -I focused mostly on developing solutions with ITSM and Service Portal. -I wrote custom development that involved complex server and client coding. -I implemented solutions that utilized Flow Designer with Custom and OOB Actions. -I created custom widgets used in Service Portal pages that had server side code, client side code, HTML, and CSS. -I configured several Service Portals from scratch to client specifications. -I deliver
  • CDW
    ServiceNow Technical Consultant - Managed Services
    CDW
    Nov 2014 - Jun 2020 (5 years 8 months)
    -I worked as a developer on the CDW Managed Services ServiceNow instance for six years. -I designed software on the ServiceNow platform using JavaScript to implement solutions for business stakeholders. -I integrated ServiceNow with other systems using REST calls. -I wrote complex code-based workflows that were designed to handle many different paths of outcome. -I participated in an agile development model with my team that consisted of sprints, stories, story points, scrum tasks, and releases. -I specialized in implementing ITSM out-of-the-box solutions as well as custom development. -I utilized ITIL in all business processes. -I created and delivered solutions for product owners that addressed their requirements while considering process
  • The Walt Disney Company
    Continuous Integration/Continuous Deployment Pipeline Architect and Developer Consultant (Accenture)
    The Walt Disney Company
    Jul 2014 - Oct 2014 (4 months)
    -I worked on a team responsible for designing and implementing an automated process to add multiple software applications in the corporation to a self-sustaining CI/CD pipeline using the Jenkins continuous integration tool. -This role involved daily usage of the Groovy programming language (based off of Java), Red Hat Linux Virtual Machines, and advanced features of Git and GitHub. -As my team developed pipelines for each application, we also educated client developers on proper Git branching strategy, as well as how to get the best usage from their newly created continuous integration/continuous deployment pipeline. -I was brought on to this project with very little experience using most of the tools, and I was able to learn the necessary
  • O
    President and Lead Developer
    OUTDrejas Web Development
    Dec 2013 - May 2014 (6 months)
    I developed websites using HTML5, PHP, JavaScript, CSS, and MySQL using WordPress content management system (CMS). I did this mostly for fun on nights and weekends as a way to increase my knowledge of web development. Completed sites included: -OUTDrejas.com -AmishFurnitureLockport.com
  • Chase
    Core Framework Front End Developer Consultant (Accenture)
    Chase
    Oct 2013 - Jun 2014 (9 months)
    -I worked on a core framework team as a front-end developer. -The framework I helped to build is implemented by multiple lines of business within the bank. -I implemented Google Web Toolkit (GWT) and jQuery to create and maintain complex JavaScript front-end applications in Java, creating custom Java widgets placed within JSP using tags as well as modifying driver behavior for a rendered web page. -Custom JSP tags that I created are still used by other developers in different projects to create new web applications. -I interacted with multiple teams inside the organization to gather requirements before coding new features. -I resolved defects within many different features of the framework. -I used the Eclipse IDE with built-in Maven and To
  • Accenture
    Senior Java Software Engineer
    Accenture
    May 2013 - Nov 2014 (1 year 7 months)
    My career at Accenture consisted of three distinctly different roles: -Continuous Integration/Continuous Deployment Pipeline Architect and Developer at The Walt Disney Company (July 2014 - October 2014) -Core Framework Front-End Developer at Chase (October 2013 - June 2014): -Accenture Corporate Java Instructor (May 2013 - September 2013) These three roles are described in greater detail as separate jobs below.
  • Accenture
    Corporate Java Instructor (Accenture)
    Accenture
    May 2013 - Sep 2013 (5 months)
    -I instructed a Java Bootcamp class to Accenture's new hires in locations across the country that focused on inheritance, polymorphism, testing, and web programming (JSP, HTML, CSS, XML). -I earned a corporate teaching award after being nominated by my peers. -The completed list of components which the class covered included: --Object Oriented Concepts --Unified Modeling Language --Programming Languages, Levels, and Paradigms --Software Development Environment and Tools --Error Handling/Assertions --Reuse: Java Procedural Programming Paradigm --Java Programming Classes & Objects --Java Programming Inheritance --Java Programming Polymorphism --Java Programming Collections --Java Programming Exception Handling --Reuse: Java Object Oriented Pr
  • Pentair
    Electrical Engineer
    Pentair
    Dec 2012 - May 2013 (6 months)
    -I programmed embedded C code for the research and development group using IAR IDE in order to control the behavior of water valves being driven by an Atmel 328P microprocessor. -I designed, developed, selected parts for, and prototyped designs for a printed circuit board (PCB) using Altium Designer that was put into production. -I wrote features and bug fixes that were released as new software versions for current products. -I found many overlooked bugs in released products while performing embedded software validation testing. Show less
  • B
    Lead Software Engineer Mobile Applications
    Boundless Instruments
    Aug 2012 - May 2013 (10 months)
    -I was part of a team that designed an Android Device that communicated with an Arduino micro-controller to create a cost-effective commercial mobile spectrophotometer (a device used in analytical chemistry). -I was the only programmer on the team working with four other electrical engineers to develop the application on nights and weekends. -The project was successful and a functional system was delivered. -The project allowed for me to learn Android architecture and file types, as well as how they interact with one another (Manifest file, XML layouts, Java classes). -I familiarized myself with Android API’s. Show less
  • Rockwell Automation
    Software Developer
    Rockwell Automation
    Jan 2012 - Aug 2012 (8 months)
    -I designed and coded a feature that was included in the Allen-Bradley ViewE PanelView product line and demonstrated at Rockwell Automation’s Automation Fair. -I wrote code using C++ and Visual Studio 2010 that integrated with Nokia Qt Graphics libraries. -I developed stand-alone GUI C# applications to convert different versions of in-house software. -I worked as an integral part of a development feature team and collaborated with testers to ensure functional requirements were met on the project. Show less
  • Rockwell Automation
    Software Tester
    Rockwell Automation
    Aug 2010 - Jan 2012 (1 year 6 months)
    -I wrote automated test scripts in Python using the Froglogic Squish automated testing framework that tested Nokia Qt objects. -I developed the test scripts in a Linux operating system and tested them using the Runtime Client of Rockwell Automation's ViewE PanelView Touch Screen Device. -I created an automated test for finding memory leaks that combined Froglogic Squish components with the Linux-based Valgrind memory checking program, which allowed detailed log reports to be generated that showcased specific leaks. -I troubleshooted Linux configuration problems with environment variables and libraries. Show less
  • G
    Computer Programmer
    GasDay
    Oct 2009 - Feb 2010 (5 months)
    -GasDay forecasts the use of about one fifth of our nation's gas consumption. -I customized GasDay software to send out reports to its customer companies. -I updated GasDay databases.
  • Sodexo
    Service Worker
    Sodexo
    Sep 2008 - Nov 2008 (3 months)
    -I maintained cleanliness of Marquette University dining hall. -I served cafeteria style food to students.
Education verified_user 0% verified
  • Marquette University
    Marquette University — Bachelor of Science Degree, Computer Engineering
    Marquette University
    Jan 2008 - Dec 2013 (6 years)
    Minor in Math
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