Join Leidos’ mission-focused engineering team and deliver software that powers data analytics, computer vision, and AI capabilities for national security customers. At Leidos, we don’t just offer internships - we offer career acceleration. This is your chance to work alongside industry-leading experts in Artificial Intelligence (AI), autonomous systems, and multi-modal information retrieval.
Leidos is seeking a passionate and driven Data Science Intern to join our Arlington, VA team supporting our national security customer. You’ll work side-by-side with system/software engineers and research/data scientists to help evolve a cutting-edge production platform that combines microservices , data search & analytics , AI and Machine Learning services . Through mentorship, collaboration, and exposure to challenging technical work, you’ll accelerate your career path and make a real-world impact.
You’ll thrive in this role if you are
Curious and adaptive—comfortable learning new domains and asking good questions
Organized and self-directed, while still highly collaborative
Confident communicating your needs and working as an active team member
Primary Responsibilities
Currently enrolled and pursuing a Bachelor or Master’s degree in the field of Data Science, Data Analytics, Computer Science, Mathematics, Statistics, or related fields
Intermediate software development skills including developing and maintaining code bases
Familiar with at least one programming language like Python, Java, C/C++.
Experience with at least one of the following machine learning libraries SciKit Learn, Keras, TensorFlow, or PyTorch
Experience or educational courses/projects in Machine Learning, and/or Text
Must be U.S. Citizen eligible to obtain and maintain a DoD Secret security clearance. Leidos will guide you through the clearance process.
Preferred Qualifications
Experience with Big Data platforms like Hadoop, Azure or Spark.
Hands-on experience with prototype development and data visualization tools (e.g., Tableau, D3.js).
Knowledge of text mining tools and techniques, including summarization, entity extraction, and anomaly detection.
Familiarity with version control systems like Git and IDEs such as VS Code.
Practical experience with statistical analysis and/or experience applying data analytics
Hands-on experience with intelligent systems and machine learning
Experience with interpretability of deep learning models
Ability to obtain /maintain DoD Top Secret security clearance with polygraph
Work location and schedule
Arlington, VA. Hybrid: 4 days on-site, 1 day remote per week.
8–10 week internship, target start May/June 2026.
Why Leidos
Learn from a diverse team of engineers, data scientists and other professionals building mission-critical systems.
Mentorship, tech talks, and intern cohort events to accelerate your growth.
Real impact: contribute to R&D and production systems supporting customers.
How to stand out
Share a link to your GitHub/portfolio and briefly describe a project you’re proud of (what you built, technologies used, and your role).
If team-based, clarify your individual contributions.
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.
February 26, 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 $48,100.00 - $86,950.00
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.
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