Software Engineer (Engineer Software 3) - 27770

Mission Technologies is seeking a highly skilled Software Engineer to support the Joint Training Synthetic Environment (JTSE) and JLVC Modernization initiatives for the Joint Staff J7. This role focuses on advancing next generation modeling and simulation capabilities across Joint, Live, Virtual, and Constructive (JLVC) environments within a high visibility DoD program., * Design, develop, test, and maintain software components for the JNKE PSF Effects Server and supporting simulation systems.

• Implement algorithms and data pipelines that convert complex Non Kinetic Effects (NKE) and MSEL injects into interoperable simulation outputs.
• Develop and integrate modules aligned with JLVC Federation Object Models (FOMs).
• Engineer and maintain data models supporting enhanced NKE simulation requirements.
• Ensure interoperability across distributed simulation environments using HLA, DIS, and SISO standards.
• Collaborate with Space, EMS, and Cyber SMEs to structure and normalize data for simulation use.
• Support integration of the SISO Cyber Data Exchange Model into the larger simulation framework.
• Conduct V&V on models, interfaces, and outputs to ensure accuracy and fidelity.
• Optimize software for performance, scalability, and near real time execution.
• Contribute to architecture design, technical reviews, and documentation.
• Provide hands on technical support during integration events, tests, and operational demonstrations.

• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
• Strong communication skills with the ability to work effectively with senior government and military stakeholders.
• Demonstrated ability to operate in complex, high stakes environments with a focus on timely delivery.
• Strong critical thinking skills and ability to develop innovative technical solutions.
• Experience developing in a Linux environment.
• Experience with Agile methodologies and tools such as Jira, Confluence, and Git.
• Proficiency in Java and JavaScript.
• Knowledge of NodeJS and ReactJS.
• Working knowledge of C++/C# in Visual Studio.
• Strong software debugging skills.
• Experience with Microsoft 365 is a plus.
• Active Secret Clearance is required.

Preferred Requirements

• Experience with Modeling & Simulation (M&S) systems and LVC architectures in government or military environments.
• Experience integrating LVC solutions and simulation interoperability tools.
• Familiarity with live training ranges, networks, and Joint LVC systems.
• Experience leading cross functional teams supporting JOTG modernization efforts.
• Knowledge of networking and multi domain integration techniques.
• Proven leadership and communication skills in collaborative, mission focused environments.
• Ability to deliver innovative solutions for complex operational training challenges.

HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

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 C5ISR, 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., We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive.