Data Scientist (AI/LLM Focus)
We harness the power of innovation so that you can change the world and help our customers solve their most complex challenges

Job Description:
At Parsons, we deliver innovative solutions to make the world safer, smarter, and more connected. We are looking for a mission-focused Data Scientist to develop AI-driven data processing tools that empower our government clients with actionable intelligence from complex, high-volume datasets. This role is central to our efforts in national security, defense, and critical infrastructure—supporting real-world operations through cutting-edge data science and artificial intelligence. Imagine Next with Parsons!
What You’ll Be Doing:
- Design and build scalable solutions for extracting key data elements from diverse sources including structured formats (databases, logs) and unstructured data (PDFs, reports, sensor feeds, communications).
- Leverage Large Language Models (LLMs) and natural language processing (NLP) techniques to develop intelligent document understanding and data extraction pipelines.
- Apply AI to solve real-world mission problems in domains such as cybersecurity, ISR (intelligence, surveillance, reconnaissance), infrastructure monitoring, and beyond.
- Collaborate with engineers, analysts, and mission stakeholders to ensure AI solutions are secure, interpretable, and operationally effective.
- Prototype and productize solutions using secure, scalable cloud platforms (AWS GovCloud, Azure Government, etc.).
- Stay on top of developments in generative AI, transformers, vector search, and retrieval-augmented generation (RAG), and apply them to mission needs.
What Required Skills You’ll Bring:
- Bachelor's degree in Computer Science, Data Science, AI/ML, or a related technical field.
- 3+ years of experience in data science or machine learning with a focus on unstructured data processing and AI-based extraction solutions.
- Proficiency in Python and ML libraries (e.g., scikit-learn, PyTorch, spaCy, Hugging Face Transformers).
- Hands-on experience with LLMs (e.g., GPT, BERT, Claude) and prompt engineering or fine-tuning approaches.
- Strong understanding of NLP techniques including named entity recognition (NER), classification, summarization, etc.
- Familiarity with secure environments, data protection, and compliance considerations.
- Ability to obtain US government issued security clearance.
Preferred Qualifications:
- Active TS/SCI with Polygraph clearance.
- Experience working with DoD, DHS, or IC datasets and mission environments.
- Exposure to tools such as Apache NiFi, Elasticsearch, or vector databases (FAISS, Pinecone).
- Understanding of MLOps, CI/CD for ML, and deploying models in real-world systems.
Minimum Clearance Required to Start:
Top Secret SCI w/PolygraphThis position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $120,800.00 - $217,400.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
COMPETITIVE BENEFIT OFFERINGS
Financial Wellness
We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.
Work Life Harmony
Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.
Career Development
We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.
Veteran Support
We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.
Mind & Body
At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.
Health
Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

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