This position requires an active and current TS SCI + Poly. ONLY those candidates who meet clearance requirements will be considered. Aperio Global is seeking a Software Engineer Level 3 to support malware development, implant development, and reverse engineering activities. All candidates must have expert experience with Java and have a desire to also support C/C++ development. Our customer is focused on offensive and defensive cybersecurity prototype development and vulnerability research. We are looking for a software engineer to join the team. What you get to do: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.