DEI is a growing IT engineering firm that specializes in modernizing and operating reliable systems by harnessing emerging technologies with proven innovations. Our IT capabilities include a full range of IT engineering, cyber security, strategic planning, O&M, program management, software/application development, and communications implementation. DEI has been modernizing IT architectures at the enterprise-level for our clients through expert engineering, accurate cost analysis, reliable service-delivery and effective consultancy. DEI delivers the right service with the right people at the right time. We are headquartered in Vienna, VA, serving executive-level Federal Government organizations.