Top 16 Machine learning engineer Jobs in O'fallon, Mo

AI Systems Engineer - TS/SCI Cleared
Leidos —Missouri
- $87,100 - $157,450 a year
- Full-time
- Hybrid work
- Writing skills
- System design
- Mid-level
AI Systems Engineer
Leidos —Missouri
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Bachelor of Science
Data Engineer Team Lead
Robotics Technologies —Saint Paul, MO
- SQL
- Continuous improvement
- US work authorization
Data Scientist
Absolute Business Solutions Corp —St. Louis, MO
- $75,000 - $150,000 a year
- 8 hour shift
- Hybrid work
- Mid-level
- Military encouraged
- Experience equivalent to degree accepted
- Paid time off
- 401(k) matching
Sr. Data Scientist
Bayer —St. Louis, MO
- $120,000 - $150,000 a year
- Email
- Master's degree
- SQL
- AWS
- Health insurance
- Dental insurance
7d
Data & AI Solution Engineer
Flexential Corp —Wildwood, MO
- Remote
- System design
- Mid-level
- 3 years
- Wellness program
- Health savings account
Quick Apply
Data Center Reliability Engineer
Phaidra —Pacific, MO
- $101,320 - $163,900 a year
- Online Application
- Remote
- Research
- Analysis skills
- US work authorization
- Paid parental leave
- Dental insurance
2d
Sr. Staff Software Engineer (Go/Golang/Python)
Bayer —Creve Coeur, MO
- $123,760 - $185,640 a year
- Computer science
- Computer Science
- System design
- Health insurance
- Dental insurance
Senior Software Engineer – Artificial Intelligence
Boeing —Berkeley, MO
- $173,400 - $234,600 a year
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
3d
Principal Data Scientist
BUNGE —Chesterfield, MO
- Computer science
- Azure
- Computer Science
- Paid holidays
- Health insurance
GPU Performance Engineer - Neural Reconstruction
NVIDIA —St. Louis, MO
- $224,000 - $431,250 a year
- Full-time
- Computer Science
- Bachelor of Science
- 11+ years
9d
Automation Engineer - Power Automate Unattended
U.S. Bank National Association —Earth City, MO
- $105,400 - $124,000 a year
- Full-time
- Azure
- Java
- Bachelor's degree
- Paid holidays
- Disability insurance

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SQL Engineer
Leidos —St. Louis, MO
Experience with Grafana or similar visualization tools. High Visibility: Partner with engineering teams and key stakeholders across programs.
$107,900 - $195,050 a year
Full Stack Developer Programmer
Secure24 —Earth City, MO
Strong troubleshooting and debugging skills. REST API development or integration experience. Refactoring procedural PHP into maintainable MVC architecture.
$60,000 - $90,000 a year
Quick Apply

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Developer - AI Trainer
DataAnnotation —Dublin, OH
A bachelor’s degree (completed or in progress). Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python…
$50 - $100 an hour
Software Designer - AI Trainer
DataAnnotation —Dublin, OH
A bachelor’s degree (completed or in progress). Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python…
$50 - $100 an hour

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machine learning engineer jobs near o'fallon, mo

AI Systems Engineer - TS/SCI Cleared

Leidos -
Missouri

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Job Details

Full-time
$87,100 - $157,450 a year

Qualifications

AI models
Jira
IT user and group management
Linux support
GPO
Kanban
Tooling
Infrastructure as Code (IaC)
Writing skills
Software implementation
System design
AI platforms (beyond public GPTs)
Windows
Machine intelligence
Confluence
Implementing web services
Application design
PostgreSQL
Distributed systems
Virtualization
Terraform
DoD 8570
Cloud Native Design
Collaborative technology platforms
Agile software development
Windows support
Cloud automation
Machine learning (ML) fundamentals
IAT
Defect tracking tools

Full Job Description

Description

The Leidos FS2 Aero team has an opening for an experienced AI Engineer to contribute to AI solutions, work on development, collaborate with pipeline development and deployment teams. The Aero teams are involved in the deployment and maintenance of multiple operational cloud deployed software technologies and solutions. We are looking for a motivated AI engineer, to work on challenging problems in a variety of Aeronautical based systems to get results that surpass the outcomes achieved with new AI technologies, capabilities and features.

Primary Responsibilities

Strong collaboration with teams in the design and implementation of AI architectures to include operational status, coding improvements, dashboard tooling including security.
Collaborates with Leidos AI initiatives, providing insight into technologies, tooling and practices.
Designs, secures and automates AWS cloud initiatives while optimizing agent and customer experiences to full AI potential.
Optomize and enhance customer experiences, enhancing software development flows, quality metrics, KPIs, and Dashboards with AI.
Provides broad-based experience in the systems engineering lifecycle and applies experience/knowledge to cloud initiatives relating to architectural design and development.
Advises and assist teams to deploy and configure services with AI tools

Basic Qualifications

Bachelors Degree and 4+ years of experience. Additional years of experience in lieu of degree are acceptable.
2+ years of experience consulting, designing and implementing distributed solutions and 2+ years’ experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience.
**Must possess and maintain a TS/SCI Security Clearance with ability to obtain a Polygraph**
Experience in Cloud and PaaS environments
Subject Matter Expertise understanding across various AI technologies,
Familiar with the following: Jira, Confluence, Jenkins, Python, Gitlab, CloudFormation, Zabbix, HPFortify, ACAS, PostgreSQL, Scrum, Kanban, Terraform
Knowledge of SDLC and AGILE best practices
Windows Domain Administrator of user accounts and group policy objects and Linux administration
Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
Demonstrates ability to adapt to new AI technologies and learn quickly
Organizational Skills: Exceptional planning and prioritizing work, follow tasks to their logical conclusion and ensure everything has been correctly satisfied to standard. Great attention to detail.
Communications: Excellent communication with team members, clients, customers or other stakeholders verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
DoD 8570 Certification Compliance (IAT Level 2/3)
Familiar with team collaboration tools (Jira, Confluence, RocketChat)

Preferred Qualifications

Understanding of SFA organization; Aeronautical data and mission
Experience with NGA cloud-based architecture
AWS Solutions Architect, AWS Developer, Machine Learning
Experience with IC Cloud Architecture implementation methodologies
Native cloud templating services like AWS Cloud Formation
Experience with CI/CD Pipelines and projects

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:

April 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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machine learning engineer jobs in o'fallon, mo

AI Systems Engineer - TS/SCI Cleared

AI Systems Engineer

Data Engineer Team Lead

Data Scientist

Sr. Data Scientist

Data & AI Solution Engineer

Data Center Reliability Engineer

Sr. Staff Software Engineer (Go/Golang/Python)

Senior Software Engineer – Artificial Intelligence

Principal Data Scientist

GPU Performance Engineer - Neural Reconstruction

Automation Engineer - Power Automate Unattended

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