ManTech seeks a motivated, career and customer-oriented **CNO Java Software Engineer** to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions. **Responsibilities include, but are not limited to:** + Developing and coding software, ensuring software standards are met. + Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system. + Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues. + Designing ideas for new capabilities or recommendations for improvements to existing capabilities. + Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming. + Debugging and troubleshooting software + Modifying existing software to correct errors, to adapt to new requirements, or to improve performance. + Performing quality control on team products. + Coordinating and performing software deployments for developed products. **Minimum Qualifications:** + Bachelor’s degree in computer science or related field, plus 7 years of programming experience **OR** 11 years of programming experience in lieu of a degree. + Experience with Java 8 or higher + Experience with build environments such as Gradle or Maven + Experience with Object Oriented Analysis and Design + Familiarity with Software Version Control + Knowledge of CNO environment + Knowledge of agile software development methodology + Knowledge of XML or XSLT + Knowledge of JSON **Preferred Qualifications:** + Experience with Spring Cloud & Spring Boot + Experience with Kafka + Experience with Subversion/GIT + Experience with Elastic / Kibana + Experience using VMWare, preferably ESX + Experience with containers (Docker, Kubernetes) + Atlassian Tools (Confluence, Jira, Bamboo, Crucible) + Strong problem-solving skills **Security Clearance Requirements:** + Must have an active and current TS/SCI with Polygraph clearance. **Physical Requirements:** + Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery. + Regular communication with co-workers, management, and customers. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.