**Description** Are you looking for interesting and meaningful ways to apply your knowledge and talents? Our corporate vision at Leidos is to be the global leader in the development and application of technology to solve our customers' most demanding challenges. **This is where you come in. ** We need a results-oriented self-starter to join our team as a Cryptologic Computer Scientist supporting cyber operations at Ft Meade, Maryland.  **_To qualify for work in this environment, you must currently hold a Top Secret/SCI clearance._** **Primary Responsibilities** : + Design, develop, deliver and operate solutions to hard cryptologic computer science problems within a scientific framework. + Develop solutions for problem sets such as forensics and attack attribution, protection of critical networks, active systems warnings and indicators, active penetration into target systems, knowledge discovery of passive and active systems, or other cryptologic computer science mission support. + Use state-of the-art techniques, tools, and approaches from a range of computer science skills such as operating systems, compiler theory, database theory, algorithm analysis, computer architecture, discrete math, programming language theory, and data structures. **Basic Qualifications** + Active TS/SCI Security Clearance + Bachelor's degree plus 5 years of relevant experience or a Master's degree plus 3 years of relevant experience or a Doctoral degree and 2 years of relevant experience. An Associates degree plus 7 years of relevant experience may be considered for individuals with in-depth experience that is clearly related to the position. + Degree must be in Computer Science (CS). Related fields (e.g., Engineering, Mathematics) may be considered relevant if the programs contain, at minimum, a concentration of courses in the following foundational CS areas: algorithms; computer architecture (not network architecture); programming methodologies and languages; data structures, logic and computation; and advanced mathematics (for example, calculus, discrete mathematics). Information Technology (IT) or Information Systems (IS) degrees may be considered relevant if the programs contain the amount and type of coursework equivalent to a CS major. + Relevant experience must be in computer systems research; simulation/model development and prototyping; software design; programming; computational science; algorithm analysis and design; reverse engineering; and/or designing/developing computer or information systems, including engineering hardware and/or software. **Preferred Qualifications** TS/SCI with Poly **Original Posting Date:** 2024-11-06 While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00147738 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.