Andrew Markopoulos
Senior System Analyst & SharePoint Administrator at General Dynamics Information Technology
Senior Systems Analyst and Sharepoint Admin at General Dynamics Information Technology
Experienced Senior Systems Analyst and emerging Data Scientist with a demonstrated history of working in the Healthcare IT industry. Skilled in Data Analytics, Data Science, Artificial Intelligence, and BI Reporting. Possessing strong written and verbal communication skills.
General Dynamics Information Technology
https://www.linkedin.com/company/gdit
Senior System Analyst & SharePoint Administrator
•  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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General Dynamics Information Technology
https://www.linkedin.com/company/gdit
Data Analyst & SharePoint Administrator
•  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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General Dynamics Information Technology
https://www.linkedin.com/company/gdit
Service Desk Analyst
•  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
https://media-exp1.licdn.com/dms/image/C4D0BAQHJiSpFC46fEw/company-logo_100_100/0/1625146434259?e=1655942400&v=beta&t=aqrECfiDCmgaH1_VSh5BNjla6rgNTUGymsTTctmiXSA
Freelance
Web Developer
•  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.
Olde English Fish Chips and Chicken, Inc.
Store Manager
•  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
Computer Information Systems w/ Business Track
Bachelor of Science (BS)
Towson University
https://www.linkedin.com/school/towson-university/
Orthodox Christian Fellowship at Towson University (OCF) 
Founder and President of OCF at Towson University.
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Mathematics
Associate's Degree
Harford Community College
https://www.linkedin.com/school/harfordcc/
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.
https://media-exp1.licdn.com/dms/image/C4D0BAQEJYVxd1TDhfQ/company-logo_100_100/0/1521133368996?e=1655942400&v=beta&t=rOybxvZ7ih9iKnfcBRWmWgR8kHtAvdeq98U2aUYXxbw
Science and Technology
Saint Mary’s Antiochian Orthodox Church
https://www.linkedin.com/company/united-latino-students-association
Chair of the IT Committee
•  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.
https://media-exp1.licdn.com/dms/image/C560BAQHGhly_87bnSw/company-logo_100_100/0/1560802374788?e=1655942400&v=beta&t=K7WqPD21eM-gXnyLLgxdtB29QYMnsQEC_5TCE-iVQCQ
Saint Mary Antiochian Orthodox Church
Youth Advisor and Sunday School Teacher
•  Advised teenagers of the Society of Orthodox Youth Organizations (SOYO).
•  Taught Sunday school to teenagers.
• Organized monthly service projects and led annual youth retreats.
Orthodox Christian Fellowship
https://www.linkedin.com/company/orthodox-christian-fellowship
Founder and President of 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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Human Rights
Harford Community College
https://www.linkedin.com/company/harfordcc
Diversity and Inclusion Committee Member
•  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
https://www.linkedin.com/in/stephen-sadowski-528256139
Stephen Sadowski
Senior Accountant at Calibre CPA Group, PLLC
Rockville, MD
https://www.linkedin.com/in/joeestefan
Joe Estefan
Founder - Consultant  at Zeina Enterprises
Millersville, MD
https://www.linkedin.com/in/arun-rajan
Arun Rajan
Consultant
Washington DC-Baltimore Area
https://www.linkedin.com/in/romeo-d-onofrio-000ab282
Romeo D'Onofrio
Software Developer at General Dynamics Information Technology
Owings Mills, MD
https://www.linkedin.com/in/marie-scott-7b0129b
Marie Scott
Sr Analyst, Systems GDIT
Abingdon, MD
https://www.linkedin.com/in/brian-vargo-92165223
Brian Vargo
Security Engineer at General Dynamics Mission Systems
Columbia, MD
https://www.linkedin.com/in/samuel-oden-399739116
Samuel Oden
Software Engineer at Twilio
Baltimore, MD
https://www.linkedin.com/in/jack-simms-417575a9
Jack Simms
Software Engineering Manager at General Dynamics Information Technology
Baltimore City County, MD
https://www.linkedin.com/in/bobin-rajan
Bobin Rajan, CISSP
Senior Advisor, Information Security at General Dynamics Information Technology
Baltimore City County, MD
https://www.linkedin.com/in/julie-gielner-5919b156
Julie Gielner
Principal Programmer at General Dynamics Information Technology
Baltimore, MD
https://www.linkedin.com/in/scott-beichley-cissp-09abb07
Scott Beichley, CISSP
Manager Information Security at GDIT
Towson, MD
https://www.linkedin.com/in/shira-goodman-56297213
Shira Goodman
Product Manager at Oddball
Baltimore City County, MD
https://www.linkedin.com/in/ravi-sewbhajan
Ravi Sewbhajan
Graduate Student at Lubin School Of Business
Bronx, NY
https://www.linkedin.com/in/deborahsilverman
Deborah Silverman
Senior Program Analyst/Project Coordinator
Windsor Mill, MD
https://www.linkedin.com/in/khflynn
Kathleen Flynn
Systems Engineer at Boeing
Herndon, VA
https://www.linkedin.com/in/wenxuan1
Wendy He
Data Analyst at Taylor Morrison | Collaborative | Open networking | Cross-Cultural Communication
Tempe, AZ
https://www.linkedin.com/in/abhinav-meesa-7a85b9121
Abhinav Meesa
Business Analytics | Project Management
Miami, FL
https://www.linkedin.com/in/deannaolson
Deanna O.
Scrum Master/Senior Strategy & Planning Consultant
St Paul, MN
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Andrew Markopoulos
https://gr.linkedin.com/in/andrew-markopoulos-413340218
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