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NEXTMOVEFDE careers · United States

Senior AI Engineer

AI summary of the role

Senior AI Engineer role within Leidos' Intel Sector, supporting a mission-focused prototype development program.

What you’ll do

  • Collaborate with mission stakeholders to translate operational needs into secure, scalable AI capabilities.
  • Design and develop AI/ML solutions for knowledge extraction, information discovery, summarization, decision support, and workflow automation on structured and unstructured data.
  • Develop LLM applications using prompt engineering, embeddings, context management, chunking, and retrieval techniques.
  • Design RAG architectures with document ingestion, vector search, metadata, reranking, and hybrid semantic/keyword retrieval.

What you’ll bring

  • Bachelor's degree in computer science plus 8 years of relevant experience or equivalent.
  • Strong proficiency with Python and demonstrated experience designing or developing AI/ML solutions.
  • Understanding of the complete AI lifecycle from data ingestion through deployment, monitoring, and sustainment.
  • Active TS/SCI with Polygraph clearance required.

Technologies

Python · Large Language Models (LLMs) · Retrieval-Augmented Generation (RAG) · agentic AI · vector search · embeddings · transformer architectures · deep learning · data pipelines · fine-tuning

About Leidos

Builds mission-critical technology, engineering, cyber, defense, health, and infrastructure systems for U.S. government, allied, and commercial customers.

Public · 5000+ people

Source and classification

Internal deployment & tooling · Evidence for this classification:

Leidos has new and exciting opportunities for a Senior AI Engineers in our Intel Sector. 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: Our program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to
More from the job description

Leidos has new and exciting opportunities for a Senior AI Engineers in our Intel Sector. 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: Our program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!” Seeking motivated Senior AI Engineers to support high-impact mission opportunities applying Artificial Intelligence and Machi [... source excerpt omitted ...] mbines strong AI/ML fundamentals with hands-on engineering experience and understands how to evaluate, deploy, secure, and sustain AI capabilities throughout their lifecycle. Job Responsibilities/Qualifications: Mission Focus: Collaborate with mission stakeholders, analysts, data scientists, and engineers to understand operational challenges and translate requirements into effective AI/ML solutions. Design and develop capabilities for knowledge extraction, information discovery, summarization, decision support, workflow automation, and analysis of structured and unstructured data. Build solutions capable of processing large, complex, and potentially multilingual datasets while ensur [... source excerpt omitted ...] ation, deduplication, labeling, and augmentation. Optimize models through model selection, fine-tuning, hyperparameter tuning, benchmarking, and latency-versus-accuracy analysis. Qualifications: Bachelor’s degree in computer science, plus 8-years of relevant experience or equivalent. Strong proficiency with Python and demonstrated experience designing or developing AI/ML solutions. Understanding of the complete AI lifecycle from data ingestion and model development through deployment, monitoring, and sustainment. Security Clearance: Active TS/SCI with Polygraph required to be considered for this role. Desirable Skills: Knowledge of customer corporate tools, data repositories, and se

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