andrew markopoulos
Senior System Analyst & SharePoint Administrator at General Dynamics Information Technology
senior system analyst sharepoint admin general dynamic information technology
experienced senior system analyst emerging data scientist demonstrated history working healthcare industry . skilled data analytics , data science , artificial intelligence , bi reporting . possessing strong written verbal communication skill .
General Dynamics Information Technology
https://www.linkedin.com/company/gdit
•  Supported the Centers for Medicare and Medicaid (CMS) Part D Drug Processing System (DDPS).
•  Developed a proof-of-concept machine learning model in Databricks using Autoregressive Integrated Moving Average (ARIMA) time series forecasting to predict future drug cost amounts with 95% confidence. Later iterations included construction of a user interface tool for the client and the use of multivariate time series models, such as VARMA, LSTM, NBEATS. 
•  Spearheaded the machine learning program on DDPS and presented several models to over 200 people in different divisions of CMS who were interested in incorporating machine learning into their programs.  
•  Automated quarterly invoice processes and other recurring analyses for the Data Analysis team using Python and PySpark, subsequently decreasing manual recurring labor hours by 75%. 
•  Reinforced reconciliation between CMS and healthcare plans by completing AdHoc data analysis requests in an agile environment. 
•  Built interactive dashboards using Tableau and MicroStrategy to clearly illustrate vital data points for the client.
•  Led the initiative of migrating 27 internal and external sites from SharePoint 2010 to SharePoint Online and co-chaired a group of SharePoint admins from other programs in the Federal Civilian division of GDIT.
Woodlawn, Maryland, United States
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Senior System Analyst & SharePoint Administrator
General Dynamics Information Technology
https://www.linkedin.com/company/gdit
•  Constructed SQL queries to analyze and interpret Medicare Part D pharmaceutical claim data.
•  Communicated alternative solutions to the client in a clear and precise way in order to improve system processes.
•  Participated in SDLCs as a Systems Matter Expert (SME) to help colleagues better understand the system.
•  Supervised the internal and external SharePoint sites of my contract, managing the needs of over 150 users.
Woodlawn, MD
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Data Analyst & SharePoint Administrator
General Dynamics Information Technology
https://www.linkedin.com/company/gdit
•  Provided helpdesk support for three simultaneously instated healthcare contracts, as well as internal users.
•  Solved client problems by analyzing and researching issue tickets and change requests.
•  Devised new workflows to increase work efficiency and effectiveness.
•  Constructed custom queries in order to generate weekly and monthly data reports.
•  Transitioned from a legacy ticketing system to BMC Remedyforce tracking system.
Towson, MD
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Service Desk Analyst
Freelance
•  Developed a preliminary website to promote Anonitech LLC’s company and product.
•  Designed a logo and branding scheme for the client.
•  Provided ongoing site maintenance and support.
Web Developer
Olde English Fish Chips and Chicken, Inc.
•  Hired, trained, and directed a staff of 10 employees at a busy fish and chips carryout restaurant.
•  Increased resource efficiency by 12% saving the company an average of $13,000 per year.
•  Developed new products to further benefit the company and increase customer satisfaction.
•  Oversaw day-to-day tasks, such as payroll, inventory, financial transactions, and exceeding FDA standards.
•  Encouraged high employee moral by setting goals and frequently reminding employees of the company’s mission.
Middle River, Maryland, United States
Store Manager
Bachelor of Science (BS)
Orthodox Christian Fellowship at Towson University (OCF) 
Founder and President of OCF at Towson University.
Computer Information Systems w/ Business Track
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Towson University
https://www.linkedin.com/school/towson-university/
Associate's Degree
Harford Community College Diversity Committee 
One of three students chosen to work with faculty in order to alter and submit HCC’s diversity plan to the Maryland State Board.
Mathematics
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Harford Community College
https://www.linkedin.com/school/harfordcc/
Science and Technology
Saint Mary’s Antiochian Orthodox Church
https://www.linkedin.com/company/united-latino-students-association
•  Designed, developed, and maintained the church website (www.nativityofthetheotokos.org).
•  Offered training on all church systems to parish leaders.
•  Implemented an online ordering system that allows St. Mary’s to fulfill online orders from its greater community.
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Chair of the IT Committee
Saint Mary Antiochian Orthodox Church
•  Advised teenagers of the Society of Orthodox Youth Organizations (SOYO).
•  Taught Sunday school to teenagers.
• Organized monthly service projects and led annual youth retreats.
Youth Advisor and Sunday School Teacher
Orthodox Christian Fellowship
https://www.linkedin.com/company/orthodox-christian-fellowship
• Planned the creation of a Towson OCF chapter by collaborating with local clergy and the OCF national board. 
• Held weekly meetings and planned almsgiving events for a group of eight fellow college students.
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Founder and President of Orthodox Christian Fellowship
Human Rights
Harford Community College
https://www.linkedin.com/company/harfordcc
•  One of three students chosen to work with faculty to alter and submit HCC’s diversity plan to the Maryland State Board.
https://media-exp1.licdn.com/dms/image/C4D0BAQEJYVxd1TDhfQ/company-logo_100_100/0/1521133368996?e=1655942400&v=beta&t=rOybxvZ7ih9iKnfcBRWmWgR8kHtAvdeq98U2aUYXxbw
Diversity and Inclusion Committee Member
https://www.linkedin.com/in/stephen-sadowski-528256139
Rockville, MD
Stephen Sadowski
Senior Accountant at Calibre CPA Group, PLLC
https://www.linkedin.com/in/joeestefan
Millersville, MD
Joe Estefan
Founder - Consultant  at Zeina Enterprises
https://www.linkedin.com/in/arun-rajan
Washington DC-Baltimore Area
Arun Rajan
Consultant
https://www.linkedin.com/in/romeo-d-onofrio-000ab282
Owings Mills, MD
Romeo D'Onofrio
Software Developer at General Dynamics Information Technology
https://www.linkedin.com/in/marie-scott-7b0129b
Abingdon, MD
Marie Scott
Sr Analyst, Systems GDIT
https://www.linkedin.com/in/brian-vargo-92165223
Columbia, MD
Brian Vargo
Security Engineer at General Dynamics Mission Systems
https://www.linkedin.com/in/samuel-oden-399739116
Baltimore, MD
Samuel Oden
Software Engineer at Twilio
https://www.linkedin.com/in/jack-simms-417575a9
Baltimore City County, MD
Jack Simms
Software Engineering Manager at General Dynamics Information Technology
https://www.linkedin.com/in/bobin-rajan
Baltimore City County, MD
Bobin Rajan, CISSP
Senior Advisor, Information Security at General Dynamics Information Technology
https://www.linkedin.com/in/julie-gielner-5919b156
Baltimore, MD
Julie Gielner
Principal Programmer at General Dynamics Information Technology
https://www.linkedin.com/in/scott-beichley-cissp-09abb07
Towson, MD
Scott Beichley, CISSP
Manager Information Security at GDIT
https://www.linkedin.com/in/shira-goodman-56297213
Baltimore City County, MD
Shira Goodman
Product Manager at Oddball
https://www.linkedin.com/in/ravi-sewbhajan
Bronx, NY
Ravi Sewbhajan
Graduate Student at Lubin School Of Business
https://www.linkedin.com/in/deborahsilverman
Windsor Mill, MD
Deborah Silverman
Senior Program Analyst/Project Coordinator
https://www.linkedin.com/in/khflynn
Herndon, VA
Kathleen Flynn
Systems Engineer at Boeing
https://www.linkedin.com/in/wenxuan1
Tempe, AZ
Wendy He
Data Analyst at Taylor Morrison | Collaborative | Open networking | Cross-Cultural Communication
https://www.linkedin.com/in/abhinav-meesa-7a85b9121
Miami, FL
Abhinav Meesa
Business Analytics | Project Management
https://www.linkedin.com/in/deannaolson
St Paul, MN
Deanna O.
Scrum Master/Senior Strategy & Planning Consultant
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Athens
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Crozet, VA
Andrew Markopoulos
CRO at Markopoulos Foundation
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New York, NY
Andrew Markopoulos
Sustainable Architectural Coatings and Finishes for Vertical Masonry & Concrete
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Greece
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