Leidos is seeking a Sr. Java Software Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems. Based in DevOps framework, participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Primary Responsibilities: * Developing and directing software system validation and testing methods using Junit and Katalon * Develop and integrate custom developed software solutions to leverage automated deployment technologies * Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging Infrastructure platform services * Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases * Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs * Support the Agile software development lifecycle following Program SAFe practices * Use industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting * Document and Perform systems software development, including deployment of build artifacts across different environments leverage GitFlow constructs * Communicate key project data to team members and build team cohesion and effectiveness. * Leverage Atlassian tool suite like JIRA and Confluence to track activities * Apply and identify best practices and standard operating procedures * Create innovative solutions to meet the technical needs of customers. Basic Qualifications: * Proficient with common Agile practices, service-orientated environments, and development practices * Signification experience with the software development lifecycle, with experience delivering within DevOps toolsets/practices * Direct experience utilizing software testing performance tools, such as Junit * Significant experience with scripting languages, such as Python, Bash * Significant experience working in an Agile development environment and tempo * Significant experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) * Significant experience with development leveraging cloud data services (ex: S3, RDS, EFS) * Excellent communication skills (written and verbal) * Well versed with using version control systems * Well versed with using issue/problem tracking systems Candidate must have Bachelors degree with 8-12 years of prior relevant experience or Masters with 6-10 with years of prior relevant experience. Will consider work experience in lieu of a degree. Candidate must have an active TS/SCI with Poly. Candidate must be US Citizen. Preferred Qualifications: Experience in AWS Data management services (Elastic Map Reduce, Lambda, Kinesis) Experience with SAFe development practices