Urgent! Data Scientist Job Opening In McLean – Now Hiring Leidos
**Description**
**Leidos** has a new and exciting opportunity for a Data Scientist in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** located in McLean, VA.
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!**
**Job Summary:**
We are looking for a Data Scientist with an entrepreneur’s mindset to support a fast-paced and growing data science team working on projects critical to National Security.
**Responsibilities Include:**
+ Build statistical and machine learning models, conducting natural language processing (NLP), and developing automated solutions for complex business challenges.
+ Construct and execute complex database search queries across multiple databases using SQL and API interfaces.
+ Perform web scraping and apply various techniques for processing unstructured data.
+ Leverage automation and machine learning to manage data, predict scenarios, and make data-driven recommendations.
+ Learn and leverage technologies including AWS and Git.
**Basic Qualifications** **:**
+ Must have TS/SCI with Polygraph.
+ BS degree and 12 – 15 years relevant technical experience or Master’s with 10 – 13 years of relevant experience.
May possess a Doctorate in technical domain.
+ Experience with Python is required.
+ Strong SQL skills and experience with relational databases and APIs for data extraction is required.
+ Experience with supervised and unsupervised learning and natural language processing (NLP) is required.
Familiarity with NLP libraries and tools (e.g., spaCy, Hugging Face, NLTK, or TensorFlow).
+ Experience with frequentist statistics, probability, and predictive modeling, along with knowledge of computer science concepts, data architecture, and statistical methods.
+ Proficiency with data visualization tools (e.g., Tableau, Plotly, Seaborn, Matplotlib) is required.
At **Leidos** , the opportunities are boundless.
We challenge our staff with interesting assignments that allow them to thrive professionally and personally.
For us, helping you grow your career is good business.
We look forward to learning more about you – apply today.
At Leidos, we don’t want someone who fits the mold—we want someone who melts it down and builds something better.
This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good.
You’ll fit right in.
**Original Posting:**
October 29, 2025
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 $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-00169595
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.
✨ Smart • Intelligent • Private • Secure
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Unlock Your Data Scientist Potential: Insight & Career Growth Guide
Real-time Data Scientist Jobs Trends in McLean, United States (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Data Scientist in McLean, United States using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 83305 jobs in United States and 687 jobs in McLean. This comprehensive analysis highlights market share and opportunities for professionals in Data Scientist roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! Leidos is currently hiring and seeking a Data Scientist to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Data Scientist Jobs McLean.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Leidos adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Data Scientist Jobs United States varies, but the pay scale is rated "Standard" in McLean. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Data Scientist typically include Other General and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Data Scientist interview at Leidos, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Leidos's products or services and be prepared to discuss how you can contribute to their success.
By following these tips, you can increase your chances of making a positive impression and landing the job!
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