Data Scientist

Leidos has a new and exciting opportunity for a Data Scientist in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! The CEMA Dept at Leidos is seeking a talented Data Scientist in Huntsville, AL to join our development team to create unique solutions for complex problems in system security, engineering, and defense domains. As a Data Scientist, you will bring your passion and skills in data analysis and AI/ML to design, build, deploy and maintain mission critical AI/ML solutions that support our customers’ mission objectives. You will also be responsible for working with other software engineers, machine learning engineers, data scientists and product managers, contributing directly to feature design and architecture and helping the team migrate solutions from research into deployment. Primary Responsibilities: Collection and analysis of data Research current and future cyber security threats against systems. Drive continuous improvement by pushing for changes that improve reliability and velocity. Contribute to the technical direction of our products and technology stack. Work with subject matter experts and customer liaisons to define and develop solutions that solve our customers’ problems. Basic Qualifications: Candidate must possess at least a Bachelor’s Degree in Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, or related technical degree along with 2-4 years of relevant experience. Experience working full-time in an agile software engineering team environment. Strong knowledge of Python programming language Strong Familiarity with both the Scikit Learn and Pytorch framework Experience in conducting guided and exploratory data analysis on large datasets Experience developing AI/ML solutions Knowledge of AI/ML techniques such as supervised, unsupervised, and reinforcement learning and their corresponding strengths and weaknesses Experience reviewing and evaluating academic publications for technical applications Strong written and presentation skills Candidate must live in or be willing to live Huntsville, AL. Candidate must be willing to travel approx. 10% each year if necessary — moderate travel to testing locations, typically CONUS. Candidate must be a US Citizen and possess (and be able to maintain) a Final Top Secret/SSBI Clearance or meet the eligibility to obtain (and maintain) a Final Top-Secret Clearance. Preferred Qualifications: Masters Degree in Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, or related technical degree. Experience with software engineering and should be prepared to demonstrate: Strong knowledge of C++ programming language Experience in AI/ML architecture, design, and deployment Experience in software architecture, design, and deployment Experience in developing and deploying AI/ML applications to edge devices Experience in developing and deploying low SWAP AI/ML applications Experience and interest in fundamental networking implementations and concepts. Experience with Agile software development, CI/CD toolchains and DevOps (e.g., Atlassian suite, git, Jenkins, Artifactory) Experience with the following tools, concepts, and products is a plus: Experience deploying and maintaining software products on Windows, Ubuntu, and Red Hat Networking Protocols Wireshark If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: July 9, 2026 For U.S. Positions: 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 $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and 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. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.