LOCATIONS CONTACT US EMPLOYEE LOGIN * Capabilities About Epsilon Systems Careers Enterprise Solutions Enterprise Solutions Enterprise Solutions Overview Epsilon Systems provides life cycle engineering, professional and technical support services and solutions to a diverse group of customers including defense, federal, and industry partners. Capabilities include: Learning Solutions Software Solutions Nuclear Program Support Cultural and Natural Resources Management Geographic Information Systems (GIS) Services and Solutions ENTERPRISE SOLUTIONS Epsilon XR Learn More Software Solutions Learn More Nuclear Program Support Learn More Environmental and Range Support Learn More EHSdesk: Environment, Health and Safety About EHSdesk Epsilon XR Representative Contract Sample screens from IRS Link & Learn Taxes. IRS Link & Learn Taxes: Training and Certification for Volunteer Tax Preparers The Epsilon XR team developed Link & Learn Taxes for the IRS, an 80-hour web-based training program comprising over 4,000 pages of tax law narrative, examples, case studies, interview simulations, audio, and comprehensive exercises. Instructional support in the form of lesson plans, presentations, and a printed training guide are available for blended learning environments. Link & Learn Taxes has been on the IRS website (http://www.irs.gov) and CD-ROM since 2004, and is available to volunteers and the public. During peak periods, more than 300,000 people visit Link & Learn Taxes; over 20 million pages have been viewed. There have been over 900,000 certifications using the online test and more volunteers are certified every year. Epsilon Systems continually reviews user evaluations and client feedback for ways to improve the learning experience at Link & Learn Taxes. DATASHEET Epsilon XR: IRS Case Study CORPORATE OFFICE 9444 Balboa Ave. Suite 100 San Diego, CA 92123 T: 619-702-1700 F: 619-702-1711 CAPABILITIES Advanced Products Epsilon C5I Fleet Sustainment Enterprise Solutions ABOUT Our Company Our People Careers CONTRACT VEHICLES GSA Corporate NETCENTS II NETOPS SeaPort-e LOCATIONS CONTACT US LEGAL NOTICES DOCUMENT LIBRARY EMPLOYEE LOGIN * © 2021 Epsilon Systems Solutions, Inc

LOCATIONS CONTACT US EMPLOYEE LOGIN * Capabilities About Epsilon Systems Careers Contact Us Contact Us General Information Email Addresses Business Development: bd@epsilonsystems.com Contracts contracts@epsilonsystems.com Human Resources & Careers careers@epsilonsystems.com General Information info@epsilonsystems.com CORPORATE OFFICE 9444 Balboa Ave. Suite 100 San Diego, CA 92123 T: 619-702-1700 F: 619-702-1711 CAPABILITIES Advanced Products Epsilon C5I Fleet Sustainment Enterprise Solutions ABOUT Our Company Our People Careers CONTRACT VEHICLES GSA Corporate NETCENTS II NETOPS SeaPort-e LOCATIONS CONTACT US LEGAL NOTICES DOCUMENT LIBRARY EMPLOYEE LOGIN * © 2021 Epsilon Systems Solutions, Inc