Enterprise Architect

Leidos Holding$131K — $237K *
Enterprise Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • BS Degree and minimum 12 years experience in IT (development preferred)
  • Prior experience with the Social Security Administration (SSA)
  • Minimum 5 years hands-on experience with AI model design and implementation (preferably Generative AI)
  • Ability to obtain and maintain Public Trust
  • Strong foundation in Machine Learning, Deep Learning, and neural networks.

Responsibilities

  • Design and develop generative models using advanced architectures
  • Fine-tune and optimize pre-trained generative models for specific tasks
  • Craft and refine prompts for AI models to guide output production
  • Build infrastructure for AI pipelines including data preparation and monitoring
  • Integrate generative AI models into existing software applications
  • Conduct research on generative AI and experiment with new methodologies
  • Address ethical considerations related to AI methodologies.

Benefits

  • Opportunity to work on impactful projects for the Social Security Administration
  • Collaborate with a team of forward-looking professionals
  • Engagement with cutting-edge AI research and technologies
  • Contribute to significant public service outcomes
  • Possibility to shape the future of organizational technology solutions.
Full Job Description

Leidos is seeking a Enterprise Architect to be part of the mission solution and help lead SSA’s Digital Modernization Strategy.  Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces, supporting the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month.  We are a team of forward-looking professionals in need of a strong candidate with these key required skills: 

Machine Learning, Deep Learning, Neural Networks, Python, Natural Language Processing, Prompt Engineering, and Data Management and Preprocessing.

If this sounds like a mission you want to be a part of, keep reading!

Position Description:

  • Design and develop generative models: This includes working with architectures like GANs (Generative Adversarial Networks), VAEs (Variational Autoencoders), and especially transformer-based models (like those behind LLMs).
  • Fine-tuning and optimization: Adapting pre-trained generative models for specific tasks and datasets, optimizing their performance, efficiency, and the quality of their generated output.
  • Prompt engineering: Crafting and refining prompts to guide generative models to produce desired outputs, often for specific applications (e.g., content creation, code generation, design).
  • Build AI pipelines: Creating the infrastructure and workflows for data preparation, model training, deployment, and ongoing monitoring of generative AI systems.
  • Integration: Incorporating generative AI models into existing software applications and products.
  • Research and experimentation: Staying up to date with the latest research in generative AI and experimenting with new algorithms and techniques.
  • Ethical considerations: Understanding and addressing potential biases, misuse, and ethical implications of generative AI.
  • All other duties as assigned or directed.

Skills Requirements:

FOUNDATION FOR SUCCESS(Basic Qualifications)

  • BS Degree and a Minimum of 12 years of overall experience in an IT related field (development background preferred)
  • Must have prior SSA experience
  • Minimum 5 years of hands-on experience designing, developing, and implementing AI models (Generative AI experience preferred)
  • Must be able to obtain and maintain a Public Trust. Contract requirement. 

FACTORS TO HELP YOU SHINE(Required Skills)
These skills will help you succeed in this position:

  • Strong foundation in Machine Learning, Deep Learning, and neural networks (GANs, VAEs, Transformers, LLMs).
  • Proficiency in programming languages, especially Python, and relevant libraries (Scikit-Learn, TensorFlow, PyTorch, Keras).
  • Expertise in Natural Language Processing (NLP) for text and language generation.
  • Data management, preprocessing, and feature engineering skills.
  • Expertise with prompt engineering techniques for guiding AI models.
  • Experience with cloud-based AI platforms (AWS, Azure).
  • Knowledge of software development best practices, including CI/CD pipelines, version control, and testing.
  • Problem-solving, analytical, and critical thinking skills.
  • Strong communication and collaboration abilities.
  • Understanding of AI ethics and responsible AI development. 

HOW TO STAND OUT FROM THE CROWD(Desired Skills)
Showcase your knowledge of modern development through the following experience or skills:

  • Prior experience with federal or state governments IT projects.
  • Familiarity with various LLM models available in the market
  • Working knowledge of Retrieval Augmented Generation (RAG) to enhance LLM responses
  • Experience integrating GenAI models and services into existing applications using APIs

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:
August 7, 2026

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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