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Description Leidos Defense Systems is seeking a Full time Penetration Tester - Security Engineer to perform penetration tests on customer systems in the defense, space, cyber, and commercial fields. The ideal candidate will possess strong technical skills, including proficiency in networking, operating systems, and programming, as well as the ability to think creatively and strategically to anticipate potential threats. They will also possess the ability to analyze both open and closed-source intelligence to determine potential cyber threat Tactics, Techniques, and Procedures (TTPS), attack... more ->