Leidos has a new and exciting opportunity for a DevSecOps Engineer in either Fort Belvoir, VA or Picatinny Arsenal, NJ. We are seeking an experienced AWS DevSecOps Engineer to join our high-performing Agile team, you will design, implement, and support secure, scalable cloud infrastructure. You'll apply DevOps best practices and cloud-native design principles, leveraging AWS services and Infrastructure to drive automation and continuous delivery across environments. This role also includes hands-on work with automated testing, deployments, and infrastructure monitoring-alongside participation in Agile ceremonies, risk mitigation activities, and collaborative solution design. Cross-functional flexibility across systems engineering, software development, testing, and security is highly valued. The position requires an active DoD Secret clearance with the ability to obtain a TS/SCI clearance.