Senior Machine Learning Engineer

Leidos’ Security Enterprise Solutions (SES) operation is seeking a motivated and talented Senior Machine Learning Engineer to join our multidisciplinary, highly energized, and expert data science team. Leidos is a leading innovator in deploying AI solutions, and we are dedicated to pushing the boundaries of technology and data-driven insights. Join our dynamic team and be part of shaping the future and make global impact in border security.We are seeking a Senior Machine Learning Engineer to work on MLOPS that support the testing, and release of object detection algorithms for our portfolio of products that help safeguard the flow of cargo and vehicles through ports and borders worldwide. The ideal candidate is a senior level individual contributor and subject matter expert, who excels at taking requirements defined by business needs and generating MLOPS solutions.Key Responsibilities:Develop, train, and evaluate machine learning models using modern MLOps practices and frameworksDesign and maintain reproducible training pipelines that support scalable and repeatable experimentationCollaborate with cross-functional teams to integrate models into operational systems and workflowsOptimize model performance and reliability through continuous monitoring, testing, and iterationRequired Qualifications:Data Science & Technical FoundationMS or Ph.D. in Data Science, Engineering, Applied Science or a similar discipline and a minimum of 10 years of industry experienceAbility to support the full ML lifecycle, from data preparation and training to deployment and monitoringExperience tracking experiments, model performance, and model versioning using a platform like MLflow to ensure transparency and auditabilityExperience with data versioning frameworks like DVC, MLFlow Dataset, or LakeFsExperience deploying and managing machine learning models in production environments using Docker or KubernetesFamiliarity with modern data stacks e.g., cloud platforms, data warehouses, MLOps conceptsAbility to evaluate technical approaches and guide technical decision-makingStrong track record of delivery ownership and cross-functional collaborationAbility to multitask across projectsExcellent communication skills, both written and verbalSome travel is required in support of projects (< 25%)Ability to obtain and maintain Public Trust access.Desired / Nice-to-Have Qualifications:Experience using Kubeflow or AirflowFamiliarity with CNN-based machine learning architectures, e.g., ResNet, Yolo, U-NetExperience working with images from medical, security, or NDT devicesExperience defining data science standards and best practicesExperience in training machine learning models with synthetic data, that can achieve high detection during real-time inferenceExperience working on Customs and Border Patrol contractsIf 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:May 14, 2026For 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 $107,900.00 - $195,050.00The 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.SummaryLocation: Vista, CAType: Full time