TDI is looking for a Sr. Level Security Engineer to support our customer in Alexandria, VA. The Engineer shall be expected to have good technical skills related to the implementation and support of information technology and information security solutions. They shall serve as a vital team member as an individual contributor and/or leader for technical efforts in the Information Security Office (ISO). The successful candidate will properly install, configure and support security tools, and then document the associated processes with standard operating procedures. They must have demonstrated experience reviewing existing security architectures then developing and implementing security solutions.