Machine Learning Engineer

Job Description

Description

Leidos’ Security Enterprise Solutions (SES) operation is seeking a Machine Learning Engineer to support our data science and AI initiatives. You will help build and maintain ML models and pipelines, collaborate with cross-functional teams, and contribute to deploying scalable machine learning solutions in production.  You will be developing new capabilities and intellectual property including (but not limited to) the detection of prohibited concealed items on passengers or in their baggage.We're building intelligent systems that drive real-world impact pushing the limits of what is possible with regards to automated security solutions, and we’re looking for passionate, curious, and collaborative individuals to join our team.

Primary Responsibilities :

• Assist in designing, developing, testing, and deploying machine learning models.
• Work with large datasets : cleaning, preprocessing, feature engineering.
• Collaborate with data scientists, engineers, and product managers to integrate ML models into applications.
• Help monitor model performance and retrain / update models as needed.
• Contribute to documentation and best practices.
• Stay up to date with the latest ML research, tools, and technologies.
• May require occasional travel (10%), domestic or international.

Requirements :

Preferred Qualifications :

The Leidos Security Enterprise Solutions (SES) team has developed a suite of integrated solutions for aviation, ports, borders, and critical infrastructure customers around the world. We have more than 24,000 products deployed across 120 countries, including best-in-class security checkpoint and inspection systems for people, checked baggage and more.

Check out the links below to learn more about Security Enterprise Solutions (SES)

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting : September 11, 2025

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 $67,600.00 - $122,200.00

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.