1,830,069open jobs
105,510companies
270,215added this week
Browse all
Salary
$71k – $147k per year
Location
In office (Chantilly)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 2, 2026. SOSi scores C on the Alion truth index.

Overview
Company
Impact
Profile match
SOS International, known as SOSi, is a privately held American government services company founded in 1989 that began by supplying linguists and interpreters to the United States military. It has since broadened into intelligence analysis, logistics and base operations support, information technology and network engineering, and cybersecurity, working for defence, intelligence and federal civilian customers both in the United States and in deployed locations. Headquartered in Reston, Virginia and still family owned, it employs several thousand people, a large share of them holding security clearances.

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,830,069 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Chantilly
$160k – $275k per year • Equity 0.5–1.2% • In office • Full-Time • 3+ years exp • Bachelor's Degree • New York
AI/ML
AI Agents
Apply
Staff AI Engineer 19 days ago
$174k – $262k per year • Hybrid • Full-Time • 3+ years exp • United States
Databases
Azure Cosmos DB
AI/ML
Model Context Protocol
Knowledge Distillation
AI Agents
RAG
Hallucination
Hybrid Search
Structured Outputs
Context Engineering
Agentic Workflows
Multi-Agent Systems
Model Distillation
DevOps
Azure
Kubernetes
Progressive Delivery
Apply
$235k – $352k per year • Equity • In office • 10+ years exp • Bachelor's Degree • San Diego
Python
Java
Kotlin
TypeScript
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
LoRA
Model Context Protocol
Fine-tuning
Multimodal AI
Computer Vision
AI Agents
PEFT
TensorFlow
PyTorch
LLM
KV Cache
Tool Use
Machine Learning
Mobile
State Management
DevOps
SLI/SLO/SLA
Robotics
Sensor Fusion
Management
Agile
QA
Rest-Assured
Apply
$224k – $335k per year • Equity • In office • 8+ years exp • Bachelor's Degree • San Diego
Python
Java
Kotlin
TypeScript
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
LoRA
Model Context Protocol
Fine-tuning
Multimodal AI
Computer Vision
AI Agents
PEFT
TensorFlow
PyTorch
LLM
KV Cache
Tool Use
Machine Learning
Mobile
State Management
DevOps
SLI/SLO/SLA
Robotics
Sensor Fusion
Management
Agile
QA
Rest-Assured
Apply
≈ $143k – $273k per year (Estimated) • In office • TS/SCI • Full-Time • 5+ years exp • Bachelor's Degree • Chantilly
Python
C++
MATLAB
Fortran
Apply
≈ $17k – $37k per year (Estimated) • In office • 4+ years exp • Moscow
Python
Python
FastAPI
Django
Databases
PostgreSQL
pgvector
AI/ML
Cursor
LangGraph
LangChain
Claude Code
AI Agents
NLP
GigaChat
LLM
DevOps
Rest API
Management
Agile
Scrum
Apply
$145k – $185k per year • In office • 10+ years exp • Bachelor's Degree • McLean
Python
Python
FastAPI
Databases
Milvus
Pinecone
FAISS
AI/ML
LangChain
LlamaIndex
vLLM
Fine-tuning
TensorRT
TensorRT-LLM
Transformers
PyTorch
LLM
RAG
Hallucination
Hugging Face
LLMOps
LLM Guardrails
DevOps
Terraform
GCP
CloudFormation
Azure
CI/CD
AWS
Docker
Kubernetes
Management
Agile
Apply
≈ $12k – $26k per year (Estimated) • In office • 4+ years exp • Bengaluru • Pune
SQL
Databases
Snowflake
Analytics
Power BI
Looker
Management
Agile
Kanban
Apply
Head of Analytics 15 days ago
≈ $46k – $100k per year (Estimated) • Hybrid • Full-Time • 10+ years exp • Budapest
SQL
Databases
Databricks
DevOps
Azure
Analytics
Power BI
Apply
≈ $124k – $236k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Chantilly
Python
Python
FastAPI
AI/ML
AutoGen
Prompt Engineering
AI Agents
Ray
Machine Learning
DevOps
Windows
Analytics
ETL/ELT
Apply
Systems Administrator 12 days ago
$110k – $149k per year • In office • Full-Time • 6+ years exp • Joint Base Pearl Harbor Hickam
SQL
DevOps
Red Hat
VMWare
Azure
Windows Server
Hyper-V
Linux
Windows
DNS
DHCP
Cybersecurity
Active Directory
Management
Jira
ServiceNow
SharePoint
ITIL
Apply
≈ $120k – $219k per year (Estimated) • In office • Full-Time • 7+ years exp • Chantilly
Apply
≈ $120k – $219k per year (Estimated) • In office • Full-Time • 15+ years exp • Chantilly
Apply
≈ $145k – $265k per year (Estimated) • In office • Full-Time • 20+ years exp • Chantilly
Apply
$133k – $144k per year • Hybrid • 8+ years exp • Bachelor's Degree • Chantilly
Python
AI/ML
LLM
RAG
Agentic Workflows
Machine Learning
DevOps
CI/CD
Apply
$74k – $130k per year • Equity • In office • Full-Time • 4+ years exp • Associate's Degree • Chantilly
DevOps
AWS
SLI/SLO/SLA
Management
Microsoft Office
Apply
$111k – $186k per year • Equity • In office • Full-Time • 6+ years exp • Bachelor's Degree • Chantilly
DevOps
AWS
Windows
Analytics
Microsoft Excel
Apply
$51k – $82k per year • In office • Secret • 2+ years exp • Bachelor's Degree • Chantilly
Management
Outlook
Microsoft Office
Apply
≈ $96k – $181k per year (Estimated) • In office • TS/SCI • 6+ years exp • Chantilly
JavaScript
Node JS
Node JS
Commander.js
Apply
See all jobs
This is one of many
1,830,069 more open roles from verified company boards, updated every day.