Software Engineer; Engineer Software Security Clearance

Position: Software Engineer (Engineer Software 4) - 27575 with Security Clearance
Requisition Number: 27575 Required Travel: 11 - 25%

Employment Type:

Full Time/Salaried/Exempt Anticipated Salary Range: $ - $ Security Clearance:
Secret Level of

Experience:

Senior This opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business. As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination-not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures a high state of readiness. HII supports the Department of Energy's national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country.

HII meets clients' toughest nuclear and environmental challenges. Meet HII's Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5

ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies,  for a short video:  Summary Mission Technologies, a division of Huntington Ingalls Industries, is seeking a Software Engineer to support the Joint Training Synthetic Environment (JTSE) for the Joint Staff J7 (JS J
7) at our Suffolk, VA Joint Staff Complex. In this role, you will design, develop, and modernize software solutions that support complex modeling and simulation environments used across Joint Staff training missions. What You Will Do
• Design and develop Java backend services that integrate with external systems, perform data transformation, and support proprietary mission systems.

• Architect and modernize software solutions using current programming languages and refactor legacy systems into cloud native and virtualized environments.

• Address enhancement requests and bug fixes for both frontend (React

JS) and backend applications; build proof of concepts for new technology integration.

• Lead research and development activities to deliver next generation capabilities for JLVC simulations, including UI/UX components and advanced service features (e.g., 3D map displays, physics based detections).

• Build and implement DEVSECOPS CI/CD pipelines using tools such as Git Lab to ensure secure, efficient software delivery.

• Develop backend services and user interface tools that integrate with JLVC federations for the Joint Training Tool (JTT).

• Apply Modular Open Systems Architecture (MOSA) principles to enhance maintainability, scalability, and interoperability.

• Collaborate with systems engineers, cyber teams, and operational stakeholders to ensure solutions align with mission specific requirements. What You Must Have
• 9 years experience with Bachelors in related field; 7 years experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

• Direct experience working with the Joint Live Virtual Constructive (JLVC) environment, including development and integration of features for JLVC type simulations and the Joint Training Tool (JTT).

• Proven experience developing backend services in Java, including data…