aimlroles

AI/ML Engineer

SOSi sosi.com Open · verified Oct 22, 2026
On-site Chantilly Full-time Mid-level Machine Learning Engineering

At a glance

Mid-level Machine Learning Engineering role at SOSi. Chantilly · full-time · $70,562–$146,553 base.

SalaryStated by SOSi
$70,562 – $146,553
Base salary for this role, in USD per year, as published in the posting.
This role, from SOSiOur estimate for the market: $154,463–$174,413Median $166,575
Below the market median of $166,575 for mid-level machine learning engineering roles in Chantilly.
Worked out from 6 postings that stated pay, median $166,575. Last updated Oct 16, 2026.
RoleMachine Learning Engineering
SeniorityMid-level
LocationChantilly
WorkplaceOn-site
EmploymentFull-time
Base pay$70,562–$146,553
PostedSep 28, 2026 · 3w ago
Role brief

aimlroles summary, based on the employer's posting.

What you'll do

  • Build and assess AI/ML models using Sponsor data, then test how well they perform across relevant tasks
  • Prepare structured and unstructured data for model training and testing by cleaning, analyzing and checking its usefulness
  • Work with staff officers to plan experiments that check model performance and system soundness
  • Deploy and maintain models in cloud environments, and build ETL pipelines, SQL configurations and performance metrics
  • Explain your methods and findings through Sponsor-format reports, visualizations, briefings or GitHub documentation

What you bring

  • You hold an active TS/SCI clearance with polygraph
  • You have professional AI/ML development experience using Python or R and a deep-learning framework such as PyTorch or another listed option
  • You have used version control and major-provider cloud services for AI/ML development and deployment
  • You have built and deployed models, including tuning, experimentation, validation and benchmarking

Who this fits

This mid-level role suits an AI/ML engineer who can work across model development, data preparation and cloud deployment. The position is contingent on a contract award and is on-site in Chantilly.

From the employer

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

*Position is contingent upon contract award*

SOSi is seeking an Artificial Intelligence/Machine Learning (Al/ML) Engineer. The AI/ML Engineer shall design, develop, test, evaluate, and deploy Al/ML models and ensembles across various domains, including generative Al, classification, prediction, computer vision, natural language processing (NLP), and reinforcement learning. Al/ML engineering services will be provided to support Sponsor's initiatives, leveraging expertise in Al/ML algorithms, software development, and cloud computing.

Essential Job Duties

  • Design and develop Al/ML models and ensembles using Sponsor's data and requirements.
  • Preprocess, clean, and analyze large volumes of structured and unstructured Sponsor data to assess utility for Al model training and testing.
  • Collaborate with staff officers to conceptualize, design, develop, and execute experiments verifying model performance and system soundness.
  • Deploy and maintain Al/ML models and ensembles in cloud-based environments, ensuring scalability, reliability, and security.
  • Develop and maintain extract, transform, and load (ETL) pipelines, SQL configurations, and
  • performance metrics to support Al/ML applications.
  • Document and communicate methods and findings using Sponsor's formats and templates, which could include authoring analytic publications, producing ad-hoc reports, creating data visualizations, delivering slideshow presentations or briefings, or documenting methods in GitHub repositories.
  • Provide technical education to staff on an ad-hoc basis on AI/ML related topics.
  • Provide subject matter expertise in Al/ML to support Sponsor's initiatives.

Minimum Requirements

  • Active TS/SCI w/ Poly.
  • Demonstrated professional experience with the following required tools, systems, services, and data types:
    • Python or R programming languages for AI/ML development.
    • Deep learning frameworks, such as PyTorch, TensorFlow, or Keras.
    • Version control systems, such as GitHub.
    • Cloud computing services from major providers, including experience with cloud-based AI/ML development and deployment.
    • AI/ML model development and deployment, including model turning, experimentation, validation, and benchmarking.

Preferred Qualifications

  • Experience with AI/ML model explainability and interpretability techniques.
  • Familiarity with Sponsor’s enterprise services, security controls, and data management practices.
  • Experience with front-end web development frameworks, such as Flask.
  • Experience with Tableau to produce visualizations and dashboards.
  • Experience with verification and validation test benches.

Work Environment

  • Working conditions are normal for an office environment.
  • Fast paced, deadline-oriented environment.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.