S3, Inc.

About S3, Inc.

S3 is a team of mission-driven professionals that combine technical expertise with innovative thinking to modernize and enhance support for the warfighter. We proudly deliver innovative, technical solutions, including Program Management, Systems Engineering, Logistics, Training, and Foreign Military Sales to support U.S. Army and Department of Defense (DoD) programs. Our services extend to Program Executive Offices (PEOs) and Army Research and Development (R&D) organizations, with extensive expertise in missile and rocket systems and survivability equipment. Our domestically and internationally reaching aviation support, assistance, and training services underscore our commitment to excellence in mission-ready training. At S3, we recognize that our continued success—spanning more than 34 years of steady growth, the creation of multiple subsidiaries, the launch of Partner Nation Programs, expansion into 35 states, and recognition through numerous industry awards—is all made possible by our people. As a trusted Prime contractor on multiple contract vehicles, our team is proud to provide exceptional support and forward-leaning solutions to our customers. Here, we value diversity of experience. Whether your career is just beginning or you are bringing decades of insight, your unique perspective plays a vital role in advancing global defense efforts. S3 is especially proud to support veterans, offering opportunities to build on the diverse skills gained in service and grow a meaningful, purpose-driven civilian career – just ask 85% of our workforce! In a highly competitive industry, S3 stands out by remaining mission-focused and people-centered. Join us—and be part of a team that’s making a lasting impact at home and around the world.