aimlroles

AI/ML Engineer (Senior)

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

At a glance

Senior Machine Learning Engineering role at SOSi. Chantilly · full-time · no salary stated · we estimate $181,150–$247,500 across the United States.

Estimated pay

SOSi has not published a salary for this role. The figure below is our estimate, not theirs.

$181,150 – $247,500
What the middle half of senior machine learning engineering roles in the United States paid, among postings that did state a salary.
Worked out from 330 postings that stated pay, median $213,425. Last updated Oct 22, 2026.
RoleMachine Learning Engineering
SenioritySenior
LocationChantilly
WorkplaceOn-site
EmploymentFull-time
PostedOct 5, 2026 · 2w ago
Role brief

aimlroles summary, based on the employer's posting.

What you'll do

  • Use major data science tools and programming languages to support the engineering work
  • Help build AI and machine learning capabilities for the government customer
  • Track model versions and look for newly identified weaknesses in models
  • Develop, train and deploy models for object detection, data triage, search, inference and automated discovery

What you bring

  • At least seven years of relevant professional experience
  • An active TS/SCI clearance with Polygraph
  • Hands-on experience building, training and putting AI/ML models into use
  • Knowledge of machine learning, deep learning, statistical modeling and model optimization

Who this fits

This senior role suits an engineer with model development experience and an active TS/SCI with Polygraph. The position is in Chantilly, Virginia, and is onsite. The hire depends on a contract award.

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 a AI/ML Engineer to support our government customer in Chantilly, VA.

Essential Job Duties

  • Use major data science tools and languages.
  • Contribute to the development of AI/ML capabilities.
  • Manage model versioning systems and identify new vulnerabilities in models.

  • Active in scope TS/SCI w/ Poly.
  • Minimum 7+ years of relevant experience.
  • Experience developing, training, and deploying AI/ML models.
  • Experience with machine learning, deep learning, statistical modeling, and model optimization.
  • Experience providing services to develop AI/ML models and weights to selected data to facilitate object detection, data triage, search/optimization, inference, and automated discovery and decision making.

Work Environment

  • Normal office conditions.

Working at SOSi

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