ManTech seeks a motivated, career and customer-oriented **Software Engineer** to join our team in **Norfolk, VA** . This is an **onsite** position. As part of our team, you’ll help support national security through your work on the **Navy Continuous Training Environment (NCTE)** program, providing the most complex and realistic training environment for our Navy forces. **Responsibilities include but are not limited to:** + Perform a variety of systematic, disciplined, and quantifiable approaches to the development, operation, and maintenance of software systems supporting the Navy Continuous Training Environment (NCTE) + Design, develop, test, debug, and implement complex software solutions to improve or maintain the NCTE, such as by providing capability to integrate tactical systems with simulation-based training interfaces + Perform all aspects of software lifecycle development and maintenance to in compliance with contractual and legal requirements as well as governing guidelines and standards + Identify or define software information and engineering requirements commensurate with the complexity of those software systems to meet customer requirements + Identify specific technical problems and implement solutions using applicable procedures, knowledge, tools, and methods for software requirements, software design, software construction, software testing, and software maintenance tasks + Research and propose solutions for prospective products with contemporary technologies aimed at improving the performance of customer solutions + Utilize protocol such as protocols Distributed Interactive Simulation (DIS), High Level Architecture (HLA) etc. + Integrate the discipline of software engineering with other team member disciplines, to include those of computer science, computer engineering, management, mathematics, project management, quality management, software ergonomics, and systems engineering **Minimum Qualifications:** + 5+ years of relevant experience in software engineering, to include digital logic, circuit analysis, and embedded systems programming + Software development experience in classified and unclassified environments, specifically related to development of Joint Semi-Automated Forces (JSAF) and Joint Simulation Bus (JBUS) + Experience with Open Service Gateway Initiative (OSGI), Jenkins, SonarQube + Knowledge of systems design/development lifecycle (SDLC), software systems theory and engineering principles, network/systems design and implementation, virtualization, and cloud technologies + Possess the necessary training, qualifications, and experience for the IAT-II level at a minimum in accordance with SECNAV M-5239.2 and DoD 8140/8570. (ex. CompTia Sec+) + Experience with Agile development methodologies and familiarity with web development and architecture. + Experience with Spring Framework (Spring Boot), Gradle/Maven, SQL, PostgreSQL, Sencha Ext JS (web dev in general JavaScript/HTML/CSS) + Up to 25% travel required or as needed **Preferred Qualifications:** + Bachelor’s Degree in related field + 7+ years of relevant work experience as a software engineer within a U.S. Government environment, DoD strongly preferred + Experience in software development using C/C++, and Java (web app development Jakarta EE/Java EE) + Software or systems engineering experience specializing in M&S and C4I integration applications such as JBUS and JSAF + Knowledge of the principles, practices, and procedures used in systems development **Clearance Requirements:** + Active Secret Security Clearance with the ability to obtain and maintain an Active Top Secret/ SCI security clearance **Physical Requirements:** + Must be able to remain in a stationary position 50%. + Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. + The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. 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.